Framework is special software that is capable of developing applications based on certain architecture having ability to generate certain logics of application development dynamically.
Showing posts with label JSF. Show all posts
Showing posts with label JSF. Show all posts
Saturday, February 26, 2011
Thursday, October 21, 2010
Problems if <h:form> is not used in JSF
I will be explainingpProblems if <h:form> is not used in JSF with a simple example.
1)I created a new project in JSF and added comman button to the jsp page without using <h:form> tag
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<%@taglib prefix="f" uri="http://java.sun.com/jsf/core"%>
<%@taglib prefix="h" uri="http://java.sun.com/jsf/html"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<%--
This file is an entry point for JavaServer Faces application.
--%>
<f:view>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<title>JSP Page</title>
</head>
<body>
<h1><h:outputText value="JavaServer Faces"/></h1>
<h:commandButton id="bt_SAVE" value="Save" action="#{test.saveProcess}" />
</body>
</html>
</f:view>
2) Made necessary mapping in faces-config.xml.
<managed-bean>
<managed-bean-name>test</managed-bean-name>
<managed-bean-class>bean.test</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>
3) Created package bean and added test class to the bean package
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package bean;
/**
*
* @author subin_s
*/
public class test {
public void saveProcess() {
System.out.println("Debug inside saveProcess");
}
}
Now if you run the project and click on save button saveProcess method will not be executed you may think why button is not working ,problem is you have not given <h:form> tag.
<%@taglib prefix="f" uri="http://java.sun.com/jsf/core"%>
<%@taglib prefix="h" uri="http://java.sun.com/jsf/html"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<%--
This file is an entry point for JavaServer Faces application.
--%>
<f:view>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<title>JSP Page</title>
</head>
<body>
<h1><h:outputText value="JavaServer Faces"/></h1>
<h:commandButton id="bt_SAVE" value="Save" action="#{test.saveProcess}" />
</body>
</html>
</f:view>
<managed-bean-name>test</managed-bean-name>
<managed-bean-class>bean.test</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package bean;
/**
*
* @author subin_s
*/
public class test {
public void saveProcess() {
System.out.println("Debug inside saveProcess");
}
}
Tuesday, October 12, 2010
Making RichCalender Editable
Few days back we i have posted Server Side Date Validator Today we will discuss topic how to manually enter date in rich calender only you need to do is set enale ManualInput to true in jsp file as shown below.
<rich:calendar id="dc_FROM_DATE" ajaxSingle="true" enableManualInput="true" binding="#{checkUserRequest.dc_FROM_DATE}" inputStyle="font-size:10pt;width:100px;height:25px" datePattern="dd-MM-yyyy">
</rich:calendar>
<rich:calendar id="dc_FROM_DATE" ajaxSingle="true" enableManualInput="true" binding="#{checkUserRequest.dc_FROM_DATE}" inputStyle="font-size:10pt;width:100px;height:25px" datePattern="dd-MM-yyyy">
</rich:calendar>
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF and more.....
Sunday, October 3, 2010
Problems in using Value binding in JSF
Today we will see one of the major problem while using value binding in JSF and solution for it.Suppose if we have two fields subject1 and subject2 .In focus lost of subject2 if we try to get value of subject1 using get method it will give you null value because values are not updated using valuebinding reason for this is while we use value biding value will be updated in Update Model Value Phase and value change listener is called before Update Model Phase.
How to overcome this problem
PhaseId phaseId = evt.getPhaseId();
if (phaseId.equals(PhaseId.ANY_PHASE)) {
evt.setPhaseId(PhaseId.UPDATE_MODEL_VALUES);
evt.queue();
return;
}
Place the above code at the beginning of the method, So automatically updates all the values of the submitted form.
How to overcome this problem
PhaseId phaseId = evt.getPhaseId();
if (phaseId.equals(PhaseId.ANY_PHASE)) {
evt.setPhaseId(PhaseId.UPDATE_MODEL_VALUES);
evt.queue();
return;
}
Place the above code at the beginning of the method, So automatically updates all the values of the submitted form.
Sunday, September 26, 2010
Tags in JSF
Basically there are two kinds of tags in JSF.
JSF Core & HTML Tags
Today we will see different attributes in JSF HTML and Core Tags
JSF Core & HTML Tags
Today we will see different attributes in JSF HTML and Core Tags
JSF HTML Tags :
- column creates column in a dataTable
- commandButton creates button
- commandLink creates link that acts like a pushbutton
- dataTable creates a table control
- form creates a form
- graphicImage displays an image
- inputHidden creates hidden field
- inputSecret creates input control for password
- inputText creates text input control (single line)
- inputTextarea creates text input control (multiline)
- message displays the most recent message for a component
- messages displays all messages
- outputFormat creates outputText, but formats compound messages
- outputLabel creates label
- outputLink creates anchor
- outputText creates single line text output
- panelGrid creates html table with specified number of columns
- panelGroup used to group other components where the specification requires one child element
- selectBooleanCheckbox creates checkbox
- selectManyCheckbox creates set of checkboxes
- selectManyListbox creates multiselect listbox
- selectManyMenu creates multiselect menu
- selectOneListbox creates single select listbox
- selectOneMenu creates single select menu
- selectOneRadio creates set of radio buttons
JSF CORE Tags:
- f :view Creates the top-level view
- f:subview Creates a subview of a view
- f:attribute Adds an attribute to a component
- f:param Constructs a parameter component
- f:converter Adds an arbitrary converter to a component
- f:converterDateTime Adds a datetime converter to a component
- f:converterNumber Adds a number converter to a component
- f:actionListener Adds an action listener to a component
- f:valueChangeListener Adds a valuechange listener to a component
- f:validator Adds a validator to a component
- f:validateDoubleRange Validates a double range for a component’s value
- f:validateLength Validates the length of a component’s value
- f:validateLongRange Validates a long range for a component’s value
- f:facet Adds a facet to a component
- f:loadBundle Loads a resource bundle, stores properties as a Map
- f:selectitems Specifies items for a select one or select many component
- f:selectitem Specifies an item for a select one or select many component
- f:verbatim Adds markup to a JSF page
Thursday, September 23, 2010
Server Side Numeric Validator
Few days back i discussed JavaScript function to restrict input to numeric.
Today we will see Server Side Numeric Validator for JSF you can also see AlphaNumeric Validator in JSF and Server Side Date Validator
Steps for creating Numeric Validator
1) Create numeric.jsp file
<%@page pageEncoding="UTF-8"%>
<%@taglib prefix="f" uri="http://java.sun.com/jsf/core"%>
<%@taglib prefix="h" uri="http://java.sun.com/jsf/html"%>
<%@taglib prefix="jc" uri="http://jsf-components" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<%--
This file is an entry point for JavaServer Faces application.
--%>
<f:view>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<title>JSP Page</title>
</head>
<body>
<h:form >
<jc:AlertMessage />
<h:panelGroup>
<h:outputText id="lb_No"value="Label.:" />
<h:inputText id="tf_NO" autocomplete="off" binding="#{numeric.tf_NO}" >
<f:validator validatorId="onlyNum"/>
<f:validateLength minimum="1" maximum="6"/>
</h:inputText>
<h:commandButton id="cb_save" value="Save" action="#{numeric.bt_SAVEActionPerformed}" > </h:commandButton>
</h:panelGroup>
</h:form>
</body>
</html>
</f:view>
------------------------------------------------------------------------------------------------------------------------------
2) Create a package subin and inside subin package create two javaclass files (Numeric.java and OnlyNumericValidator.java)
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package subin;
import javax.faces.component.html.HtmlInputText;
/**
*
* @author SubinSuresh
*/
public class Numeric {
public void bt_SAVEActionPerformed() {
System.out.println("Debug bt_SAVEActionPerformed");
}
private HtmlInputText tf_NO =new HtmlInputText();
/**
* @return the tf_NO
*/
public HtmlInputText getTf_NO() {
return tf_NO;
}
/**
* @param tf_NO the tf_NO to set
*/
public void setTf_NO(HtmlInputText tf_NO) {
this.tf_NO = tf_NO;
}
}
--------------------------------------------------------------------------------------------------------------------------
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package subin;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.component.html.HtmlInputText;
import javax.faces.component.html.HtmlInputTextarea;
import javax.faces.component.html.HtmlSelectOneMenu;
import javax.faces.context.FacesContext;
import javax.faces.validator.Validator;
import javax.faces.validator.ValidatorException;
/**
*
* @author SubinSuresh
*/
public class OnlyNumericValidator implements Validator {
public void validate(FacesContext context, UIComponent component, Object value) throws ValidatorException {
String compValue = null;
boolean flag = false;
if (component != null && component instanceof HtmlInputText) {
compValue = (String) ((HtmlInputText) component).getSubmittedValue();
} else if (component != null && component instanceof HtmlInputTextarea) {
compValue = (String) ((HtmlInputTextarea) component).getSubmittedValue();
}
if (compValue != null && !compValue.equalsIgnoreCase("")) {
flag = compValue.matches("[0-9]*");
if (!flag) {
if (component instanceof HtmlInputText) {
((HtmlInputText) component).setTitle("Only numbers are allowed here");
((HtmlInputText) component).setSubmittedValue("");
} else if (component instanceof HtmlInputTextarea) {
((HtmlInputTextarea) component).setTitle("Only numbers are allowed here");
} else if (component instanceof HtmlSelectOneMenu) {
((HtmlSelectOneMenu) component).setTitle("Page got some un-conditional Data");
}
throw new ValidatorException(new FacesMessage("Only numbers are allowed here"));
}
}
}
}
-------------------------------------------------------------------------------------------------------------------------
3)Mapping in faces-config.xml file
<managed-bean>
<managed-bean-name>numeric</managed-bean-name>
<managed-bean-class>subin.Numeric</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>
<validator>
<validator-id>onlyNum</validator-id>
<validator-class>subin.OnlyNumericValidator</validator-class>
</validator>
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF and more.....
Today we will see Server Side Numeric Validator for JSF you can also see AlphaNumeric Validator in JSF and Server Side Date Validator
Steps for creating Numeric Validator
1) Create numeric.jsp file
numeric.jsp
<%@page contentType="text/html"%><%@page pageEncoding="UTF-8"%>
<%@taglib prefix="f" uri="http://java.sun.com/jsf/core"%>
<%@taglib prefix="h" uri="http://java.sun.com/jsf/html"%>
<%@taglib prefix="jc" uri="http://jsf-components" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<%--
This file is an entry point for JavaServer Faces application.
--%>
<f:view>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<title>JSP Page</title>
</head>
<body>
<h:form >
<jc:AlertMessage />
<h:panelGroup>
<h:outputText id="lb_No"value="Label.:" />
<h:inputText id="tf_NO" autocomplete="off" binding="#{numeric.tf_NO}" >
<f:validator validatorId="onlyNum"/>
<f:validateLength minimum="1" maximum="6"/>
</h:inputText>
<h:commandButton id="cb_save" value="Save" action="#{numeric.bt_SAVEActionPerformed}" > </h:commandButton>
</h:panelGroup>
</h:form>
</body>
</html>
</f:view>
------------------------------------------------------------------------------------------------------------------------------
2) Create a package subin and inside subin package create two javaclass files (Numeric.java and OnlyNumericValidator.java)
Numeric.java
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package subin;
import javax.faces.component.html.HtmlInputText;
/**
*
* @author SubinSuresh
*/
public class Numeric {
public void bt_SAVEActionPerformed() {
System.out.println("Debug bt_SAVEActionPerformed");
}
private HtmlInputText tf_NO =new HtmlInputText();
/**
* @return the tf_NO
*/
public HtmlInputText getTf_NO() {
return tf_NO;
}
/**
* @param tf_NO the tf_NO to set
*/
public void setTf_NO(HtmlInputText tf_NO) {
this.tf_NO = tf_NO;
}
}
--------------------------------------------------------------------------------------------------------------------------
OnlyNumericValidator.java
/** To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package subin;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.component.html.HtmlInputText;
import javax.faces.component.html.HtmlInputTextarea;
import javax.faces.component.html.HtmlSelectOneMenu;
import javax.faces.context.FacesContext;
import javax.faces.validator.Validator;
import javax.faces.validator.ValidatorException;
/**
*
* @author SubinSuresh
*/
public class OnlyNumericValidator implements Validator {
public void validate(FacesContext context, UIComponent component, Object value) throws ValidatorException {
String compValue = null;
boolean flag = false;
if (component != null && component instanceof HtmlInputText) {
compValue = (String) ((HtmlInputText) component).getSubmittedValue();
} else if (component != null && component instanceof HtmlInputTextarea) {
compValue = (String) ((HtmlInputTextarea) component).getSubmittedValue();
}
if (compValue != null && !compValue.equalsIgnoreCase("")) {
flag = compValue.matches("[0-9]*");
if (!flag) {
if (component instanceof HtmlInputText) {
((HtmlInputText) component).setTitle("Only numbers are allowed here");
((HtmlInputText) component).setSubmittedValue("");
} else if (component instanceof HtmlInputTextarea) {
((HtmlInputTextarea) component).setTitle("Only numbers are allowed here");
} else if (component instanceof HtmlSelectOneMenu) {
((HtmlSelectOneMenu) component).setTitle("Page got some un-conditional Data");
}
throw new ValidatorException(new FacesMessage("Only numbers are allowed here"));
}
}
}
}
-------------------------------------------------------------------------------------------------------------------------
3)Mapping in faces-config.xml file
<managed-bean>
<managed-bean-name>numeric</managed-bean-name>
<managed-bean-class>subin.Numeric</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>
<validator>
<validator-id>onlyNum</validator-id>
<validator-class>subin.OnlyNumericValidator</validator-class>
</validator>
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF and more.....
Tuesday, September 21, 2010
Server Side Address Validator
In my last post i wrote Server Side Date Validator today we will see Server Side Address Validator
Steps for creating Server Side Address Validator
<%@page contentType="text/html"%>
<%@page pageEncoding="UTF-8"%>
<%@taglib prefix="f" uri="http://java.sun.com/jsf/core"%>
<%@taglib prefix="h" uri="http://java.sun.com/jsf/html"%>
<%@taglib prefix="jc" uri="http://jsf-components" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<%--
This file is an entry point for JavaServer Faces application.
--%>
<f:view>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<title>JSP Page</title>
</head>
<body>
<h:form >
<jc:AlertMessage />
<h:panelGroup>
<h:outputText id="lb_No"value="Address.:" />
<h:inputText id="tf_NO" autocomplete="off" binding="#{address.tf_NO}" >
<f:validator validatorId="addressValidator"/>
<f:validateLength minimum="10" maximum="30"/>
</h:inputText>
<h:commandButton id="cb_save" value="Save" action="#{address.bt_SAVEActionPerformed}" > </h:commandButton>
</h:panelGroup>
</h:form>
</body>
</html>
</f:view>
-------------------------------------------------------------------------------------------------------
2) Create a package subin and inside subin package create two javaclass files (Address.java and AddressValidator.java)
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package subin;
import javax.faces.component.html.HtmlInputText;
/**
*
* @author SubinSuresh
*/
public class Address {
public void bt_SAVEActionPerformed() {
System.out.println("Debug bt_SAVEActionPerformed");
}
private HtmlInputText tf_NO = new HtmlInputText();
/**
* @return the tf_NO
*/
public HtmlInputText getTf_NO() {
return tf_NO;
}
/**
* @param tf_NO the tf_NO to set
*/
public void setTf_NO(HtmlInputText tf_NO) {
this.tf_NO = tf_NO;
}
}
-------------------------------------------------------------------------------------------------------
AddressValidator.java
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package subin;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.component.html.HtmlInputText;
import javax.faces.component.html.HtmlInputTextarea;
import javax.faces.component.html.HtmlSelectOneMenu;
import javax.faces.context.FacesContext;
import javax.faces.validator.Validator;
import javax.faces.validator.ValidatorException;
/**
*
* @author subin_s
*/
public class AddressValidator implements Validator {
public void validate(FacesContext context, UIComponent component, Object value) throws ValidatorException {
String compValue = null;
boolean flag = false;
if (component != null && component instanceof HtmlInputText) {
compValue = (String) ((HtmlInputText) component).getSubmittedValue();
} else if (component != null && component instanceof HtmlInputTextarea) {
compValue = (String) ((HtmlInputTextarea) component).getSubmittedValue();
}
if (compValue != null && !compValue.equalsIgnoreCase("")) {
flag = compValue.matches("[a-zA-Z 0-9/.&-,]*");
}
if (!flag) {
if (component instanceof HtmlInputText) {
((HtmlInputText) component).setTitle("No special symbols are allowed here");
} else if (component instanceof HtmlInputTextarea) {
((HtmlInputTextarea) component).setTitle("No special symbols are allowed here");
} else if (component instanceof HtmlSelectOneMenu) {
((HtmlSelectOneMenu) component).setTitle("Page got some un-conditional Data");
}
throw new ValidatorException(new FacesMessage("Characters you have entered are not allowed here"));
}
}
}
-----------------------------------------------------------------------------------------------------------
3)Mapping in faces-config.xml file
<managed-bean>
<managed-bean-name>address</managed-bean-name>
<managed-bean-class>subin.Address</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>
<validator>
<validator-id>addressValidator</validator-id>
<validator-class>subin.AddressValidator</validator-class>
</validator>
Note: In AddressValidator.java we can allow any number character by keeping in regular expression compValue.matches("[a-zA-Z 0-9/.&-,]*")
Steps for creating Server Side Address Validator
1) Create address.jsp file
address.jsp
<%@page contentType="text/html"%>
<%@page pageEncoding="UTF-8"%>
<%@taglib prefix="f" uri="http://java.sun.com/jsf/core"%>
<%@taglib prefix="h" uri="http://java.sun.com/jsf/html"%>
<%@taglib prefix="jc" uri="http://jsf-components" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<%--
This file is an entry point for JavaServer Faces application.
--%>
<f:view>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<title>JSP Page</title>
</head>
<body>
<h:form >
<jc:AlertMessage />
<h:panelGroup>
<h:outputText id="lb_No"value="Address.:" />
<h:inputText id="tf_NO" autocomplete="off" binding="#{address.tf_NO}" >
<f:validator validatorId="addressValidator"/>
<f:validateLength minimum="10" maximum="30"/>
</h:inputText>
<h:commandButton id="cb_save" value="Save" action="#{address.bt_SAVEActionPerformed}" > </h:commandButton>
</h:panelGroup>
</h:form>
</body>
</html>
</f:view>
-------------------------------------------------------------------------------------------------------
2) Create a package subin and inside subin package create two javaclass files (Address.java and AddressValidator.java)
Address.java
/** To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package subin;
import javax.faces.component.html.HtmlInputText;
/**
*
* @author SubinSuresh
*/
public class Address {
public void bt_SAVEActionPerformed() {
System.out.println("Debug bt_SAVEActionPerformed");
}
private HtmlInputText tf_NO = new HtmlInputText();
/**
* @return the tf_NO
*/
public HtmlInputText getTf_NO() {
return tf_NO;
}
/**
* @param tf_NO the tf_NO to set
*/
public void setTf_NO(HtmlInputText tf_NO) {
this.tf_NO = tf_NO;
}
}
-------------------------------------------------------------------------------------------------------
AddressValidator.java
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package subin;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.component.html.HtmlInputText;
import javax.faces.component.html.HtmlInputTextarea;
import javax.faces.component.html.HtmlSelectOneMenu;
import javax.faces.context.FacesContext;
import javax.faces.validator.Validator;
import javax.faces.validator.ValidatorException;
/**
*
* @author subin_s
*/
public class AddressValidator implements Validator {
public void validate(FacesContext context, UIComponent component, Object value) throws ValidatorException {
String compValue = null;
boolean flag = false;
if (component != null && component instanceof HtmlInputText) {
compValue = (String) ((HtmlInputText) component).getSubmittedValue();
} else if (component != null && component instanceof HtmlInputTextarea) {
compValue = (String) ((HtmlInputTextarea) component).getSubmittedValue();
}
if (compValue != null && !compValue.equalsIgnoreCase("")) {
flag = compValue.matches("[a-zA-Z 0-9/.&-,]*");
}
if (!flag) {
if (component instanceof HtmlInputText) {
((HtmlInputText) component).setTitle("No special symbols are allowed here");
} else if (component instanceof HtmlInputTextarea) {
((HtmlInputTextarea) component).setTitle("No special symbols are allowed here");
} else if (component instanceof HtmlSelectOneMenu) {
((HtmlSelectOneMenu) component).setTitle("Page got some un-conditional Data");
}
throw new ValidatorException(new FacesMessage("Characters you have entered are not allowed here"));
}
}
}
-----------------------------------------------------------------------------------------------------------
3)Mapping in faces-config.xml file
<managed-bean>
<managed-bean-name>address</managed-bean-name>
<managed-bean-class>subin.Address</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>
<validator>
<validator-id>addressValidator</validator-id>
<validator-class>subin.AddressValidator</validator-class>
</validator>
Note: In AddressValidator.java we can allow any number character by keeping in regular expression compValue.matches("[a-zA-Z 0-9/.&-,]*")
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF and more.....
Monday, September 20, 2010
Server Side Date Validator
Steps for creating ServerSide Date Validator
<%@page pageEncoding="UTF-8"%>
<%@taglib prefix="f" uri="http://java.sun.com/jsf/core"%>
<%@taglib prefix="h" uri="http://java.sun.com/jsf/html"%>
<%@taglib prefix="jc" uri="http://jsf-components" %>
<%@ taglib uri="http://richfaces.org/a4j" prefix="a4j"%>
<%@ taglib uri="http://richfaces.org/rich" prefix="rich"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<%--
This file is an entry point for JavaServer Faces application.
--%>
<f:view>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<title>JSP Page</title>
</head>
<body>
<h:form >
<jc:AlertMessage />
<h:panelGroup>
<h:outputText id="lb_No"value="EnterDate.:" />
<rich:calendar id="dc_SOLD_ON" binding="#{validate.dc_SOLD_ON}" inputStyle="font-size:10pt;width:55px;height:20px"datePattern="dd-MM-yyyy" >
<f:validator validatorId="dateValidator"/>
</rich:calendar>
<h:commandButton id="cb_save" value="Save" action="#{validate.bt_SAVEActionPerformed}" > </h:commandButton>
</h:panelGroup>
</h:form>
</body>
</html>
</f:view>
---------------------------------------------------------------------------------------------------------
2) Create a package subin and inside subin package create two javaclass files (DateValidate.java and DateValidator.java)
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package subin;
import org.richfaces.component.html.HtmlCalendar;
/**
*
* @author SubinSuresh
*/
public class DateValidate {
public void bt_SAVEActionPerformed() {
System.out.println("Debug bt_SAVEActionPerformed");
}
private HtmlCalendar dc_SOLD_ON= new HtmlCalendar();
/**
* @return the dc_SOLD_ON
*/
public HtmlCalendar getDc_SOLD_ON() {
return dc_SOLD_ON;
}
/**
* @param dc_SOLD_ON the dc_SOLD_ON to set
*/
public void setDc_SOLD_ON(HtmlCalendar dc_SOLD_ON) {
this.dc_SOLD_ON = dc_SOLD_ON;
}
}
--------------------------------------------------------------------------------------------------------------------------
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package subin;
import java.util.Date;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.validator.Validator;
import javax.faces.validator.ValidatorException;
import org.richfaces.component.html.HtmlCalendar;
/**
*
* @author SubinSuresh
*/
public class DateValidator implements Validator {
public String DATE_FORMAT = "dd-MM-yyyy";
public void validate(FacesContext context, UIComponent component, Object value) throws ValidatorException {
System.out.println("Debug Inside DateValidator" + ((HtmlCalendar) component).getSubmittedValue());
String date = (String) ((HtmlCalendar) component).getSubmittedValue();
try {
Date dt = converStringToDate(date);
System.out.println("Debug Inside dt " + dt);
} catch (Exception ex) {
ex.printStackTrace();
((HtmlCalendar) component).setSubmittedValue("");
throw new ValidatorException(new FacesMessage("Invalid Date"));
}
}
/**
* Convert String to Date
* @param dateString
* @return
*/
public Date converStringToDate(String dateString) {
java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat(DATE_FORMAT);
java.util.Date dt = null;
try {
dt = sdf.parse(dateString);
} catch (java.text.ParseException p) {
System.out.println(p.toString());
}
return dt;
}
}
------------------------------------------------------------------------------------------------------------------
<managed-bean-name>validate</managed-bean-name>
<managed-bean-class>subin.DateValidate</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>
<validator>
<validator-id>dateValidator</validator-id>
<validator-class>subin.DateValidator</validator-class>
</validator>
1) Create datevalidate.jsp file
datevalidate.jsp
<%@page contentType="text/html"%>datevalidate.jsp
<%@page pageEncoding="UTF-8"%>
<%@taglib prefix="f" uri="http://java.sun.com/jsf/core"%>
<%@taglib prefix="h" uri="http://java.sun.com/jsf/html"%>
<%@taglib prefix="jc" uri="http://jsf-components" %>
<%@ taglib uri="http://richfaces.org/a4j" prefix="a4j"%>
<%@ taglib uri="http://richfaces.org/rich" prefix="rich"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<%--
This file is an entry point for JavaServer Faces application.
--%>
<f:view>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<title>JSP Page</title>
</head>
<body>
<h:form >
<jc:AlertMessage />
<h:panelGroup>
<h:outputText id="lb_No"value="EnterDate.:" />
<rich:calendar id="dc_SOLD_ON" binding="#{validate.dc_SOLD_ON}" inputStyle="font-size:10pt;width:55px;height:20px"datePattern="dd-MM-yyyy" >
<f:validator validatorId="dateValidator"/>
</rich:calendar>
<h:commandButton id="cb_save" value="Save" action="#{validate.bt_SAVEActionPerformed}" > </h:commandButton>
</h:panelGroup>
</h:form>
</body>
</html>
</f:view>
---------------------------------------------------------------------------------------------------------
2) Create a package subin and inside subin package create two javaclass files (DateValidate.java and DateValidator.java)
DateValidate.java
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package subin;
import org.richfaces.component.html.HtmlCalendar;
/**
*
* @author SubinSuresh
*/
public class DateValidate {
public void bt_SAVEActionPerformed() {
System.out.println("Debug bt_SAVEActionPerformed");
}
private HtmlCalendar dc_SOLD_ON= new HtmlCalendar();
/**
* @return the dc_SOLD_ON
*/
public HtmlCalendar getDc_SOLD_ON() {
return dc_SOLD_ON;
}
/**
* @param dc_SOLD_ON the dc_SOLD_ON to set
*/
public void setDc_SOLD_ON(HtmlCalendar dc_SOLD_ON) {
this.dc_SOLD_ON = dc_SOLD_ON;
}
}
--------------------------------------------------------------------------------------------------------------------------
DateValidator.java
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package subin;
import java.util.Date;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.validator.Validator;
import javax.faces.validator.ValidatorException;
import org.richfaces.component.html.HtmlCalendar;
/**
*
* @author SubinSuresh
*/
public class DateValidator implements Validator {
public String DATE_FORMAT = "dd-MM-yyyy";
public void validate(FacesContext context, UIComponent component, Object value) throws ValidatorException {
System.out.println("Debug Inside DateValidator" + ((HtmlCalendar) component).getSubmittedValue());
String date = (String) ((HtmlCalendar) component).getSubmittedValue();
try {
Date dt = converStringToDate(date);
System.out.println("Debug Inside dt " + dt);
} catch (Exception ex) {
ex.printStackTrace();
((HtmlCalendar) component).setSubmittedValue("");
throw new ValidatorException(new FacesMessage("Invalid Date"));
}
}
/**
* Convert String to Date
* @param dateString
* @return
*/
public Date converStringToDate(String dateString) {
java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat(DATE_FORMAT);
java.util.Date dt = null;
try {
dt = sdf.parse(dateString);
} catch (java.text.ParseException p) {
System.out.println(p.toString());
}
return dt;
}
}
------------------------------------------------------------------------------------------------------------------
3)Mapping in faces-config.xml file
<managed-bean><managed-bean-name>validate</managed-bean-name>
<managed-bean-class>subin.DateValidate</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>
<validator>
<validator-id>dateValidator</validator-id>
<validator-class>subin.DateValidator</validator-class>
</validator>
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF and more.....
Sunday, September 19, 2010
Scrollable datatable in JSF
This is very useful to improve look of you web page.When we click on DisplayDetails button table will be populated.
Steps for creating Scrollable datatable.
1)Create datatable.jsp file
datatable.jsp
<%@page contentType="text/html"%>
<%@page pageEncoding="UTF-8"%>
<%@taglib prefix="f" uri="http://java.sun.com/jsf/core"%>
<%@taglib prefix="h" uri="http://java.sun.com/jsf/html"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<%--
This file is an entry point for JavaServer Faces application.
--%>
<f:view>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<title>JSP Page</title>
</head>
<body>
<h:form >
<jc:AlertMessage />
<h:panelGroup>
<h:commandButton id="cb_save" value="Display Details" style="position:absolute;left:490px;" action="#{scroll.bt_SAVEActionPerformed}" > </h:commandButton>
</h:panelGroup>
<h:panelGroup id="pn_DETAILS_GRP" style="overflow:auto;position:absolute;top:70px;left:400px;width:300px;height:150px;solid black">
<h:dataTable id="tb_USER_DETAILS" border="1" var="userDtls" value="#{scroll.userTable}" style="width:300px;height:150px">
<h:column id="SlNo">
<f:facet name="header">
<h:outputText value="Sl No" style="font-size:10pt" ></h:outputText>
</f:facet>
<h:outputText value="#{userDtls.userSlNo}" style="font-size:8pt"/>
</h:column>
<h:column id="firstName">
<f:facet name="header">
<h:outputText value="First Name" style="font-size:10pt"/>
</f:facet>
<h:outputText value="#{userDtls.userFirst_Name}" style="font-size:8pt"/>
</h:column>
<h:column id="lastName">
<f:facet name="header">
<h:outputText value="Last Name" style="font-size:10pt"/>
</f:facet>
<h:outputText value="#{userDtls.userLast_Name}" style="font-size:8pt"/>
</h:column>
</h:dataTable>
</h:panelGroup>
</h:form>
</body>
</html>
</f:view>
----------------------------------------------------------------------------------------------------------------------------
2) Create a package subin and inside subin package create javaclass file DataTable.java
DataTable.java
/*
* To change this template, choose Tools
Templates
* and open the template in the editor.
*/
package subin;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
/**
*
* @author SubinSuresh
*/
public class DataTable {
private HashMap userDtlsMap = new HashMap();
private List
public void bt_SAVEActionPerformed() {
System.out.println("Debug bt_SAVEActionPerformed");
for (int i = 0; i < 15; i++) {
userDtlsMap = new HashMap();
System.out.println("Debug i"+i);
userDtlsMap.put("userSlNo", "" + (i + 1));
userDtlsMap.put("userFirst_Name", "subin");
userDtlsMap.put("userLast_Name", "suresh");
userTable.add(userDtlsMap);
}
}
/**
* @return the userDtlsMap
*/
public HashMap getUserDtlsMap() {
return userDtlsMap;
}
/**
* @param userDtlsMap the userDtlsMap to set
*/
public void setUserDtlsMap(HashMap userDtlsMap) {
this.userDtlsMap = userDtlsMap;
}
/**
* @return the userTable
*/
public List
return userTable;
}
/**
* @param userTable the userTable to set
*/
public void setUserTable(List
this.userTable = userTable;
}
}
-------------------------------------------------------------------------------------------------------------------
3)Mapping in faces-config.xml file
<managed-bean>
<managed-bean-name>scroll</managed-bean-name>
<managed-bean-class>subin.DataTable</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF and more.....
Saturday, September 18, 2010
AlphaNumeric Validator in JSF
Few days back i discussed Javascript function to restrict special characters,
Today we will see serverside alphanumeric validator for Jsf.
This serverside validator is used to validate and restrict special character entering into database.
Steps for creating AlphaNumeric Validator
1) Create AlphaNumeric.jsp file
<%@page pageEncoding="UTF-8"%>
<%@taglib prefix="f" uri="http://java.sun.com/jsf/core"%>
<%@taglib prefix="h" uri="http://java.sun.com/jsf/html"%>
<%@taglib prefix="jc" uri="http://jsf-components" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<%--
This file is an entry point for JavaServer Faces application.
--%>
<f:view>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<title>JSP Page</title>
</head>
<body>
<h:form >
<jc:AlertMessage />
<h:panelGroup>
<h:outputText id="lb_No"value="Label.:" />
<h:inputText id="tf_NO" autocomplete="off" binding="#{alphanumeric.tf_NO}" >
<f:validateLength maximum="6" minimum="1"/>
<f:validator validatorId="alphaNumeric"/>
</h:inputText>
<h:commandButton id="cb_save" value="Save" action="#{alphanumeric.bt_SAVEActionPerformed}" > </h:commandButton>
</h:panelGroup>
</h:form>
</body>
</html>
</f:view>
------------------------------------------------------------------------------------------------------------------------------
2) Create a package subin and inside subin package create two javaclass files (AlphaNumeric.java and AlphaNumericValidator.java)
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package subin;
import javax.faces.component.html.HtmlInputText;
/**
*
* @author SubinSuresh
*/
public class AlphaNumeric {
public void bt_SAVEActionPerformed() {
System.out.println("Debug bt_SAVEActionPerformed");
}
private HtmlInputText tf_NO =new HtmlInputText();
/**
* @return the tf_NO
*/
public HtmlInputText getTf_NO() {
return tf_NO;
}
/**
* @param tf_NO the tf_NO to set
*/
public void setTf_NO(HtmlInputText tf_NO) {
this.tf_NO = tf_NO;
}
}
--------------------------------------------------------------------------------------------------------------------------
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package subin;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.component.html.HtmlInputText;
import javax.faces.component.html.HtmlInputTextarea;
import javax.faces.component.html.HtmlSelectOneMenu;
import javax.faces.context.FacesContext;
import javax.faces.validator.Validator;
import javax.faces.validator.ValidatorException;
/**
*
* @author subin
*/
public class AlphaNumericValidator implements Validator {
public void validate(FacesContext context, UIComponent component, Object value) throws ValidatorException {
String compValue = null;
boolean flag = false;
if (component != null && component instanceof HtmlInputText) {
compValue = (String) ((HtmlInputText) component).getSubmittedValue();
} else if (component != null && component instanceof HtmlInputTextarea) {
compValue = (String) ((HtmlInputTextarea) component).getSubmittedValue();
}
if (compValue != null && !compValue.equalsIgnoreCase("")) {
flag = compValue.matches("[a-zA-Z0-9]*");
}
if (!flag) {
if (component instanceof HtmlInputText) {
((HtmlInputText) component).setTitle("No special symbols are allowed here");
} else if (component instanceof HtmlInputTextarea) {
((HtmlInputTextarea) component).setTitle("No special symbols are allowed here");
} else if (component instanceof HtmlSelectOneMenu) {
((HtmlSelectOneMenu) component).setTitle("Page got some un-conditional Data");
}
throw new ValidatorException(new FacesMessage("No special symbols are allowed"));
}
}
}
-------------------------------------------------------------------------------------------------------------------------
3)Mapping in faces-config.xml file
<managed-bean>
<managed-bean-name>alphanumeric</managed-bean-name>
<managed-bean-class>subin.AlphaNumeric</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>
<validator>
<validator-id>alphaNumeric</validator-id>
<validator-class>subin.AlphaNumericValidator</validator-class>
</validator>
When we enter some specialcharacter in textbox and click on save button it shows a popup alert No special symbols are allowed.
Note:This validation occur before entering action method of save button i.e why "Debug bt_SAVEActionPerformed" is not printed in the output console.
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF and more.....
Today we will see serverside alphanumeric validator for Jsf.
This serverside validator is used to validate and restrict special character entering into database.
Steps for creating AlphaNumeric Validator
1) Create AlphaNumeric.jsp file
AlphaNumeric.jsp
<%@page contentType="text/html"%><%@page pageEncoding="UTF-8"%>
<%@taglib prefix="f" uri="http://java.sun.com/jsf/core"%>
<%@taglib prefix="h" uri="http://java.sun.com/jsf/html"%>
<%@taglib prefix="jc" uri="http://jsf-components" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<%--
This file is an entry point for JavaServer Faces application.
--%>
<f:view>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<title>JSP Page</title>
</head>
<body>
<h:form >
<jc:AlertMessage />
<h:panelGroup>
<h:outputText id="lb_No"value="Label.:" />
<h:inputText id="tf_NO" autocomplete="off" binding="#{alphanumeric.tf_NO}" >
<f:validateLength maximum="6" minimum="1"/>
<f:validator validatorId="alphaNumeric"/>
</h:inputText>
<h:commandButton id="cb_save" value="Save" action="#{alphanumeric.bt_SAVEActionPerformed}" > </h:commandButton>
</h:panelGroup>
</h:form>
</body>
</html>
</f:view>
------------------------------------------------------------------------------------------------------------------------------
2) Create a package subin and inside subin package create two javaclass files (AlphaNumeric.java and AlphaNumericValidator.java)
AlphaNumeric.java
/** To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package subin;
import javax.faces.component.html.HtmlInputText;
/**
*
* @author SubinSuresh
*/
public class AlphaNumeric {
public void bt_SAVEActionPerformed() {
System.out.println("Debug bt_SAVEActionPerformed");
}
private HtmlInputText tf_NO =new HtmlInputText();
/**
* @return the tf_NO
*/
public HtmlInputText getTf_NO() {
return tf_NO;
}
/**
* @param tf_NO the tf_NO to set
*/
public void setTf_NO(HtmlInputText tf_NO) {
this.tf_NO = tf_NO;
}
}
--------------------------------------------------------------------------------------------------------------------------
AlphaNumericValidator.java
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package subin;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.component.html.HtmlInputText;
import javax.faces.component.html.HtmlInputTextarea;
import javax.faces.component.html.HtmlSelectOneMenu;
import javax.faces.context.FacesContext;
import javax.faces.validator.Validator;
import javax.faces.validator.ValidatorException;
/**
*
* @author subin
*/
public class AlphaNumericValidator implements Validator {
public void validate(FacesContext context, UIComponent component, Object value) throws ValidatorException {
String compValue = null;
boolean flag = false;
if (component != null && component instanceof HtmlInputText) {
compValue = (String) ((HtmlInputText) component).getSubmittedValue();
} else if (component != null && component instanceof HtmlInputTextarea) {
compValue = (String) ((HtmlInputTextarea) component).getSubmittedValue();
}
if (compValue != null && !compValue.equalsIgnoreCase("")) {
flag = compValue.matches("[a-zA-Z0-9]*");
}
if (!flag) {
if (component instanceof HtmlInputText) {
((HtmlInputText) component).setTitle("No special symbols are allowed here");
} else if (component instanceof HtmlInputTextarea) {
((HtmlInputTextarea) component).setTitle("No special symbols are allowed here");
} else if (component instanceof HtmlSelectOneMenu) {
((HtmlSelectOneMenu) component).setTitle("Page got some un-conditional Data");
}
throw new ValidatorException(new FacesMessage("No special symbols are allowed"));
}
}
}
-------------------------------------------------------------------------------------------------------------------------
3)Mapping in faces-config.xml file
<managed-bean>
<managed-bean-name>alphanumeric</managed-bean-name>
<managed-bean-class>subin.AlphaNumeric</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>
<validator>
<validator-id>alphaNumeric</validator-id>
<validator-class>subin.AlphaNumericValidator</validator-class>
</validator>
When we enter some specialcharacter in textbox and click on save button it shows a popup alert No special symbols are allowed.
Note:This validation occur before entering action method of save button i.e why "Debug bt_SAVEActionPerformed" is not printed in the output console.
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF and more.....
Thursday, September 16, 2010
Reading Postgres Database Connection from properties file using ResourceBundle class
DB.java
import java.sql.*;
import java.util.*;
public class DB
{
static ResourceBundle rb = ResourceBundle.getBundle("myapp", Locale.getDefault());
public static Connection getConnection ()
{
Connection conn = null;
try {
Class.forName (rb.getString("dbDriver"));
conn = DriverManager.getConnection(rb.getString("dbURL"), rb.getString("Username"), rb.getString("Password"));
} catch (Exception e) {
e.printStackTrace();
}
return conn;
}
public static void closeConnection (Connection conn)
{
try {
if (conn !=null)
{
conn.close();
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
--------------------------------------------------------------------------------
CallDB.java
import java.sql.*;
import java.util.*;
public class CallDB
{
static ResourceBundle rb = ResourceBundle.getBundle("sql", Locale.getDefault());
public static void loadAndShowResultSet()
{
Connection conn = null;
Statement stmt = null;
try {
conn = DB.getConnection ();
stmt = conn.createStatement();
ResultSet rset = stmt.executeQuery(rb.getString("sql.query"));
while (rset.next())
{
System.out.println (rset.getString(1));
}
}
catch (Exception e) {
e.printStackTrace();
}
finally
{
try {
stmt.close();
DB.closeConnection (conn);
}
catch (Exception e) {
e.printStackTrace();
}
}
}
public static void main(String args[])
{
try {
CallDB callDB= new CallDB();
callDB.loadAndShowResultSet();
}
catch (Exception e) {
e.printStackTrace();
}
}
}
------------------------------------------------------
myapp.properties
dbDriver=org.postgresql.Driver
dbURL=jdbc:postgresql://localhost:5432/dbname
Username=postgres
Password=postgres
--------------------------------------------------------
sql.properties
sql.query=select first_name from username;
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF and more.....
import java.sql.*;
import java.util.*;
public class DB
{
static ResourceBundle rb = ResourceBundle.getBundle("myapp", Locale.getDefault());
public static Connection getConnection ()
{
Connection conn = null;
try {
Class.forName (rb.getString("dbDriver"));
conn = DriverManager.getConnection(rb.getString("dbURL"), rb.getString("Username"), rb.getString("Password"));
} catch (Exception e) {
e.printStackTrace();
}
return conn;
}
public static void closeConnection (Connection conn)
{
try {
if (conn !=null)
{
conn.close();
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
--------------------------------------------------------------------------------
CallDB.java
import java.sql.*;
import java.util.*;
public class CallDB
{
static ResourceBundle rb = ResourceBundle.getBundle("sql", Locale.getDefault());
public static void loadAndShowResultSet()
{
Connection conn = null;
Statement stmt = null;
try {
conn = DB.getConnection ();
stmt = conn.createStatement();
ResultSet rset = stmt.executeQuery(rb.getString("sql.query"));
while (rset.next())
{
System.out.println (rset.getString(1));
}
}
catch (Exception e) {
e.printStackTrace();
}
finally
{
try {
stmt.close();
DB.closeConnection (conn);
}
catch (Exception e) {
e.printStackTrace();
}
}
}
public static void main(String args[])
{
try {
CallDB callDB= new CallDB();
callDB.loadAndShowResultSet();
}
catch (Exception e) {
e.printStackTrace();
}
}
}
------------------------------------------------------
myapp.properties
dbDriver=org.postgresql.Driver
dbURL=jdbc:postgresql://localhost:5432/dbname
Username=postgres
Password=postgres
--------------------------------------------------------
sql.properties
sql.query=select first_name from username;
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF and more.....
Saturday, September 4, 2010
Navigation Rule in JSF
The JavaServer Faces (JSF) Navigation Framework provides navigation rules that allow you to define navigation from view to view (mostly JSP pages) in a Web application. These navigation rules are defined in JSF configuration files along with other definitions for a JSF application. Usually, this file is named faces-config.xml.
Here we will see Navigation Rule Example in JSF
First create two jsp's login.jsp and home.jsp
In login.jsp type the below code
<h:outputLabel id="lb_USR_NAME" value="UserName:" styleClass="label"/>
<h:inputText id="tf_USR_NAME" autocomplete="off" value="#{userlogin.tf_USR_NAME}" />
<h:outputLabel id="lb_PASS" value="Password:" styleClass="label"/>
<h:inputText id="tf_PASS" autocomplete="off" value="#{userlogin.tf_PASS}" />
<h:commandButton id="cb_login" value="Login" action="#{userlogin.submit}"/>
In home.jsp
<body>
<h1>Welcome to homepage </h1>
</body>
In login.java paste the below code login.java is inside main package
package client.gui.main;
/**
*
* @author Subin Suresh
*/
public class Login{
public String submit(){
String status = null;
String userName = (String) getTf_USR_NAME().toString();
String passWord = (String) getTf_PASS().toString();
if (((userName.equals("subin"))) && ((passWord.equals("subin")))) {
status = "sucess";
}else{
status = "failure";
}
}
}
In faces-config.xml paste below code
<!-- ========== Navigation Rules Start ========== -->
<navigation-rule>
<description>Navigation Rule for Login page</description>
<from-view-id>/login.jsp</from-view-id>
<navigation-case>
<description>Redirects the page on "SUCCESS" outcome from login.bt_LOGINActionPerformed()</description>
<from-action>#{userlogin.submit}</from-action>
<from-outcome>sucess</from-outcome>
<to-view-id>/home.jsp</to-view-id>
</navigation-case>
<navigation-case>
<description>Redirects the page on "Failure" outcome from login.bt_LOGINActionPerformed()</description>
<from-action>#{userlogin.submit}</from-action>
<from-outcome>failure</from-outcome>
<to-view-id>/login.jsp</to-view-id>
</navigation-case>
</navigation-rule>
<!-- =========== Navigation Rules Ends ========== -->
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF and more.....
Here we will see Navigation Rule Example in JSF
First create two jsp's login.jsp and home.jsp
In login.jsp type the below code
<h:outputLabel id="lb_USR_NAME" value="UserName:" styleClass="label"/>
<h:inputText id="tf_USR_NAME" autocomplete="off" value="#{userlogin.tf_USR_NAME}" />
<h:outputLabel id="lb_PASS" value="Password:" styleClass="label"/>
<h:inputText id="tf_PASS" autocomplete="off" value="#{userlogin.tf_PASS}" />
<h:commandButton id="cb_login" value="Login" action="#{userlogin.submit}"/>
In home.jsp
<body>
<h1>Welcome to homepage </h1>
</body>
In login.java paste the below code login.java is inside main package
package client.gui.main;
/**
*
* @author Subin Suresh
*/
public class Login{
public String submit(){
String status = null;
String userName = (String) getTf_USR_NAME().toString();
String passWord = (String) getTf_PASS().toString();
if (((userName.equals("subin"))) && ((passWord.equals("subin")))) {
status = "sucess";
}else{
status = "failure";
}
}
}
In faces-config.xml paste below code
<managed-bean>
<managed-bean-name>userlogin</managed-bean-name>
<managed-bean-class>client.gui.main.Login</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>
<!-- ========== Navigation Rules Start ========== -->
<navigation-rule>
<description>Navigation Rule for Login page</description>
<from-view-id>/login.jsp</from-view-id>
<navigation-case>
<description>Redirects the page on "SUCCESS" outcome from login.bt_LOGINActionPerformed()</description>
<from-action>#{userlogin.submit}</from-action>
<from-outcome>sucess</from-outcome>
<to-view-id>/home.jsp</to-view-id>
</navigation-case>
<navigation-case>
<description>Redirects the page on "Failure" outcome from login.bt_LOGINActionPerformed()</description>
<from-action>#{userlogin.submit}</from-action>
<from-outcome>failure</from-outcome>
<to-view-id>/login.jsp</to-view-id>
</navigation-case>
</navigation-rule>
<!-- =========== Navigation Rules Ends ========== -->
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF and more.....
Wednesday, August 25, 2010
PopUp AlertMessagebox for JSF
When we develop websites we often have to display to user some alerts if user makes some mistakes
In such cases we can use jsf-components.
Steps to implementation
1) Download jsf-components.jar..
2)Include this taglib <%@taglib prefix="jc" uri="http://jsf-components" %>
and also add<jc:AlertMessage /> tag after <h:form>tag
3)Add below method .If you are having a java class for common methods
it's better to add this method there for reuseibility
/**
* Add a Message to the Faces Context
* @param msg
*/
public static void showMessage(String msg) {
msg = "" + msg;
FacesMessage fm = new FacesMessage(msg);
FacesContext.getCurrentInstance().addMessage(msg, fm);
}
4)Use it
configure managebean in faces-config.xml
<managed-bean>
<managed-bean-name>userlogin</managed-bean-name>
<managed-bean-class>client.gui.main.Login</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>
In JSP paste the below code
<h:outputLabel id="lb_USR_NAME" value="UserName:" styleClass="label"/>
<h:inputText id="tf_USR_NAME" autocomplete="off" value="#{userlogin.tf_USR_NAME}" />
<h:outputLabel id="lb_PASS" value="Password:" styleClass="label"/>
<h:inputText id="tf_PASS" autocomplete="off" value="#{userlogin.tf_PASS}" />
<h:commandButton id="cb_login" value="Login" action="#{userlogin.submit}"/>
In Java Class paste the below code
package client.gui.main;
/**
*
* @author Subin Suresh
*/
public class Login{
public String submit(){
String status = null;
String userName = (String) getTf_USR_NAME().toString();
String passWord = (String) getTf_PASS().toString();
if (((userName.equals("subin"))) && ((passWord.equals("subin")))) {
showMessage("UserName and Password Does not Matches .");
status = "failure";
}else{
status = "success";
}
return status;
}
}
Download jsf-components.jar..
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF and more.....
Monday, August 23, 2010
ServerSide Email Validator
In my last post i have written Javascript function for email validation. In this i will be discussing about ServerSide Email Validator. For application to be safe it is necessary to have both client and server side validators.
Steps for implementing ServerSide Email Validator
1. In jsp define the email component in the following way
<h:outputLabel id="lb_MAIL_ID" value="Mail ID:" styleClass="label"/>
<h:inputText id="tf_MAIL_ID" autocomplete="off" value="#{userlogin.tf_MAIL_ID}" />
2. In java class get email component value and apply serverside email validator for it as shown below
/*
* Getting the tf_MAIL_ID component value
*/
String emailId = (String) getTf_MAIL_ID().toString();
if (emailId == null || !emailId.matches("^[A-z0-9_\\-\\.]+[@][A-z0-9_\\-]+([.][A-z0-9_\\-]+)+[A-z]{2,4}")) {
System.out.println("Please enter Valid Email-Id");
}
Instead of using System.out.println you can use PopUp AlertMessagebox for JSF as it clear idea for the user who is using it.
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF,PopUp AlertMessagebox for JSF and more.....
Steps for implementing ServerSide Email Validator
1. In jsp define the email component in the following way
<h:outputLabel id="lb_MAIL_ID" value="Mail ID:" styleClass="label"/>
<h:inputText id="tf_MAIL_ID" autocomplete="off" value="#{userlogin.tf_MAIL_ID}" />
2. In java class get email component value and apply serverside email validator for it as shown below
/*
* Getting the tf_MAIL_ID component value
*/
String emailId = (String) getTf_MAIL_ID().toString();
if (emailId == null || !emailId.matches("^[A-z0-9_\\-\\.]+[@][A-z0-9_\\-]+([.][A-z0-9_\\-]+)+[A-z]{2,4}")) {
System.out.println("Please enter Valid Email-Id");
}
Instead of using System.out.println you can use PopUp AlertMessagebox for JSF as it clear idea for the user who is using it.
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF,PopUp AlertMessagebox for JSF and more.....
Sunday, August 22, 2010
Deploying a war file(project) in Tomcat web server in Windows
Steps for Deploying a project in Tomcat web server in Windows
1.Open the NetBeans IDE
2.Open the project
3.Right click on the project in projects tab
4.Click on the 'clean and build' option
5.Click on 'Deploy' option
6.Now go to folder where your project is reside in your system
say D:\projects\nameoftheproject\dist folder
7.You can find the nameoftheproject.war file in dist folder
8.Open the tomcat foder in your system say c:\program files\ApacheSoftwareFoundation\Tomcat6.0
9.Open the logs folder
10.Delete all the log files which are present upto now
11.Open the work folder--->catalina--->localhost
12.Delete all the folders(all these folders are temporary folders created by the tomcat)
13.Open the webapps folder
14.Delete the war file and project folder(if it is already present, before this you need to stop the tomcat server)
15.Copy the war file and paste in the c:\program files\ApacheSoftwareFoundation\Tomcat6.0\webapps folder
16.Run the project in the firefox with appropriate url say:http://localhost:8080/nameoftheproject
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF,PopUp AlertMessagebox for JSF and more.....
1.Open the NetBeans IDE
2.Open the project
3.Right click on the project in projects tab
4.Click on the 'clean and build' option
5.Click on 'Deploy' option
6.Now go to folder where your project is reside in your system
say D:\projects\nameoftheproject\dist folder
7.You can find the nameoftheproject.war file in dist folder
8.Open the tomcat foder in your system say c:\program files\ApacheSoftwareFoundation\Tomcat6.0
9.Open the logs folder
10.Delete all the log files which are present upto now
11.Open the work folder--->catalina--->localhost
12.Delete all the folders(all these folders are temporary folders created by the tomcat)
13.Open the webapps folder
14.Delete the war file and project folder(if it is already present, before this you need to stop the tomcat server)
15.Copy the war file and paste in the c:\program files\ApacheSoftwareFoundation\Tomcat6.0\webapps folder
16.Run the project in the firefox with appropriate url say:http://localhost:8080/nameoftheproject
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF,PopUp AlertMessagebox for JSF and more.....
Tuesday, August 17, 2010
Bean Scopes in JSF
There are three types of scopes for the JSF backing beans.
1. Request Scope
2. Session Scope
3. Application Scope
Request:
Objects with this scope are visible from the start of the request until the end of the request. Request scope starts at the beginning of a request and ends when the response has been sent to the client. If the request is forwarded, the objects are visible in the forwarded page, because that page is still part of the same request/response cycle. Objects with request scope can use other objects with none, request, session, or application scope.
Session:
An object with session scope is visible for any request/response cycle that belongs to a session. Objects with this scope have their state persisted between requests and last until the object or the session is invalidated. Objects with session scope can use other objects with none, session, or application scope.
Application:
An object with application scope is visible in all request/response cycles for all clients using the application, for as long as the application is active. Objects with application scope can use other objects with none or application scope.
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF,PopUp AlertMessagebox for JSF and more.....
1. Request Scope
2. Session Scope
3. Application Scope
Request:
Objects with this scope are visible from the start of the request until the end of the request. Request scope starts at the beginning of a request and ends when the response has been sent to the client. If the request is forwarded, the objects are visible in the forwarded page, because that page is still part of the same request/response cycle. Objects with request scope can use other objects with none, request, session, or application scope.
Session:
An object with session scope is visible for any request/response cycle that belongs to a session. Objects with this scope have their state persisted between requests and last until the object or the session is invalidated. Objects with session scope can use other objects with none, session, or application scope.
Application:
An object with application scope is visible in all request/response cycles for all clients using the application, for as long as the application is active. Objects with application scope can use other objects with none or application scope.
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF,PopUp AlertMessagebox for JSF and more.....
Thursday, August 12, 2010
Javascript function for email validation
Email Validator In JSF Using JavaScript
In Javascript write the following function
function emailcheck(str) {
var at="@"
var dot="."
var lat=str.indexOf(at)
var lstr=str.length
var ldot=str.indexOf(dot)
if (str.indexOf(at)==-1){
alert("Invalid E-mail ID")
return false
}
if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
alert("Invalid E-mail ID")
return false
}
if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
alert("Invalid E-mail ID")
return false
}
if (str.indexOf(at,(lat+1))!=-1){
alert("Invalid E-mail ID")
return false
}
if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
alert("Invalid E-mail ID")
return false
}
if (str.indexOf(dot,(lat+2))==-1){
alert("Invalid E-mail ID")
return false
}
if (str.indexOf(" ")!=-1){
alert("Invalid E-mail ID")
return false
}
return true
}
function validateUser()
{
var flag = true;
var mailid = document.frmuser.tf_USER_MAILID;//frmuser is the form id
if(mailid != null && mailid.value == "" ){
flag = false;
alert ("Mailid cannot be Empty...");
}
if (flag ) {
flag = emailcheck(mailid.value);
}
return flag;
}
In JSP:
Include javascript file into jsp using following code
Call the javascript function using following code
<h:commandButton id="bt_SAVE" value="SAVE" onclick="javascript:return validateUser();" action="#{createuser.saveUserDetails}" style="font-size:16;font-weight:bold"/>
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF,PopUp AlertMessagebox for JSF and more.....
In Javascript write the following function
function emailcheck(str) {
var at="@"
var dot="."
var lat=str.indexOf(at)
var lstr=str.length
var ldot=str.indexOf(dot)
if (str.indexOf(at)==-1){
alert("Invalid E-mail ID")
return false
}
if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
alert("Invalid E-mail ID")
return false
}
if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
alert("Invalid E-mail ID")
return false
}
if (str.indexOf(at,(lat+1))!=-1){
alert("Invalid E-mail ID")
return false
}
if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
alert("Invalid E-mail ID")
return false
}
if (str.indexOf(dot,(lat+2))==-1){
alert("Invalid E-mail ID")
return false
}
if (str.indexOf(" ")!=-1){
alert("Invalid E-mail ID")
return false
}
return true
}
function validateUser()
{
var flag = true;
var mailid = document.frmuser.tf_USER_MAILID;//frmuser is the form id
if(mailid != null && mailid.value == "" ){
flag = false;
alert ("Mailid cannot be Empty...");
}
if (flag ) {
flag = emailcheck(mailid.value);
}
return flag;
}
In JSP:
Include javascript file into jsp using following code
Call the javascript function using following code
<h:commandButton id="bt_SAVE" value="SAVE" onclick="javascript:return validateUser();" action="#{createuser.saveUserDetails}" style="font-size:16;font-weight:bold"/>
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF,PopUp AlertMessagebox for JSF and more.....
Sunday, June 27, 2010
Getting client and server sessionId in JSF
Code for Generating ClientSide SessionId:
var sesid = document.cookie;//this will give client sessionid and stores in sesid variable
Code for Generating ServerSide SessionId:
//this method will return the server side session id using getId() method
private String serverSessionid() {
HttpServletRequest hrq = (HttpServletRequest) FacesContext.getCurrentInstance().getExternalContext().getRequest();
HttpSession session = hrq.getSession();
rtnString = session.getId();
//System.out.println("SESSION ID"+rtnString);
return rtnString;
}
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF,PopUp AlertMessagebox for JSF and more.....
var sesid = document.cookie;//this will give client sessionid and stores in sesid variable
Code for Generating ServerSide SessionId:
//this method will return the server side session id using getId() method
private String serverSessionid() {
HttpServletRequest hrq = (HttpServletRequest) FacesContext.getCurrentInstance().getExternalContext().getRequest();
HttpSession session = hrq.getSession();
rtnString = session.getId();
//System.out.println("SESSION ID"+rtnString);
return rtnString;
}
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF,PopUp AlertMessagebox for JSF and more.....
Thursday, June 24, 2010
Accessing Javascript variable from the Java file(backenbean) in JSF
In JavaScript:
function clntCookie(){
var sesid = document.cookie;//this will give client sessionid and stores in sesid variable
document.getElementById("tf_CheckValue").value = sesid;//assigning sesid value to the tf_CheckValue which is inputhidden field
}
In JSP:
<h:outputText id="text" value=" ">
<h:inputHidden id="tf_CheckValue" value="#{pendingApplication.tf_CheckValue}"/>
</h:outputText>
place the above code under <h:form> tag
In java (backenbean) file:
private String tf_CheckValue = new String();//generate set and get methods
String sesval = getTf_CheckValue();//this will get the client session id from javascript and place in the sesval.
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF,PopUp AlertMessagebox for JSF and more.....
function clntCookie(){
var sesid = document.cookie;//this will give client sessionid and stores in sesid variable
document.getElementById("tf_CheckValue").value = sesid;//assigning sesid value to the tf_CheckValue which is inputhidden field
}
In JSP:
<h:outputText id="text" value=" ">
<h:inputHidden id="tf_CheckValue" value="#{pendingApplication.tf_CheckValue}"/>
</h:outputText>
place the above code under <h:form> tag
In java (backenbean) file:
private String tf_CheckValue = new String();//generate set and get methods
String sesval = getTf_CheckValue();//this will get the client session id from javascript and place in the sesval.
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF,PopUp AlertMessagebox for JSF and more.....
Tips for the components(inputtextfields,inputtextarea etc) in JSF
In jsp write the following javascript function under script tag
<script type="text/javascript">
function tipsMsg (val)
{
document.getElementById("msg").innerHTML = '';
if ( "tf_user_no1" == val )
{
document.getElementById("msg").innerHTML = 'User Number1 should be [a-z,A-Z,0-9]';
}
else if ( "tf_user_no2" == val )
{
document.getElementById("msg").innerHTML = 'User Number2 should be [0-9]';
}
}
</script>
call the above function in the following way
<h:inputText id="tf_USER_NO1" size="6" binding="#{printcheckdetails.tf_USER_NO1}" onkeyup="makeCaps('tf_USER_NO1')" onfocus="javascript:tipsMsg('tf_user_no1')" autocomplete="off" maxlength="6"/>
<h:inputText id="tf_USER_NO2" size="4" binding="#{printcheckdetails.tf_USER_NO2}" autocomplete="off" onfocus="javascript:tipsMsg('tf_user_no2')" onblur="formatNubmerPart(4)" maxlength="4"/>
if we put cursor in the userNumber text field it will give the message
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF,PopUp AlertMessagebox for JSF and more.....
<script type="text/javascript">
function tipsMsg (val)
{
document.getElementById("msg").innerHTML = '';
if ( "tf_user_no1" == val )
{
document.getElementById("msg").innerHTML = 'User Number1 should be [a-z,A-Z,0-9]';
}
else if ( "tf_user_no2" == val )
{
document.getElementById("msg").innerHTML = 'User Number2 should be [0-9]';
}
}
</script>
call the above function in the following way
<h:inputText id="tf_USER_NO1" size="6" binding="#{printcheckdetails.tf_USER_NO1}" onkeyup="makeCaps('tf_USER_NO1')" onfocus="javascript:tipsMsg('tf_user_no1')" autocomplete="off" maxlength="6"/>
<h:inputText id="tf_USER_NO2" size="4" binding="#{printcheckdetails.tf_USER_NO2}" autocomplete="off" onfocus="javascript:tipsMsg('tf_user_no2')" onblur="formatNubmerPart(4)" maxlength="4"/>
if we put cursor in the userNumber text field it will give the message
JSF Related topics: JCaptcha in JSF, Integrating Richfaces with JSF,Getting client and server sessionId in JSF,PopUp AlertMessagebox for JSF and more.....
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