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Created by Dr. Xi on May 24, 2012 20:36:53 Last update: May 24, 2012 20:36:53
Created by Fang on March 30, 2012 15:04:04 Last update: March 30, 2012 15:04:04
Spring MVC 3.1 can send either JSON or HTML response on the same URL, depending on the type of response requested. With this mechanism, a page can be sent when directly requested from a link, but a JSON response can be sent in response to an AJAX request. This is the controller code:
package com.example; import java.util.Map; ...In the above example, JSON response will be sent when the HTTP request contains header "Accept: application/json". HTML response will be sent then the header is "Accept: */*", or "Accept: text/html", or anything else. You can add a limitation that the HTML response does not produce "application/json". But then the question is which response will be sent when the HTTP header is "Accept: */*"? Both methods will...
Created by James on February 02, 2012 15:40:32 Last update: February 02, 2012 15:40:32
It's pretty easy to embed Flash video in HTML with swfobject . This example comes directly from the docs:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Stric...where swfobject.js and expressInstall.swf comes with swfobjects. I provide these files: swf/MySwfFile.swf images/CoverArt.jpg video/MyFlashVideo.flv
Created by Dr. Xi on January 17, 2012 11:58:16 Last update: January 17, 2012 11:58:16
Steps to configure JavaMail resource for Tomcat 6 & 7: Install JavaMail jar: download the JavaMail API , unzip the archive and copy mail.jar to $CATALINA_HOME/lib . Add JavaMail resource to $CATALINA_BASE/conf/context.xml :
<?xml version="1.0"?> <Context> . ...Add resource-ref for the JavaMail resource to your webapp WEB-INF/web.xml :
<?xml version="1.0" encoding="UTF-8"?> <web-app...Use the JavaMail resource in your webapp:
// import javax.naming.*; // import javax.mail....
Created by Fang on January 04, 2012 11:14:46 Last update: January 04, 2012 11:14:46
Assume that your messages are defined in MessageResources.properties , this is how you load and use the messages:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Stric...In MessageResources.properties :
pageTitle = JSF Resource Bundle Example page.he...
Created by Fang on December 06, 2011 19:03:25 Last update: December 07, 2011 08:54:11
Our custom tag, as implemented in the previous note , is broken when a template is used. Create a template file ( home-template.xhtml ):
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Stric...and a test page that uses it ( home.xhtml ):
<?xml version="1.0" encoding="UTF-8"?> <ui:comp...Then request the page with URL: http://localhost:8080/facelet-demo/home.jsf?name=Jack . You'll find that our hello tag works inside ui:repeat but fails to get the value defined by ui:param ! What's the problem? Our hello tag implementation evaluated the EL with the wrong EL context! This is the corrected implementation:
package com.example; import java.io.IOExcep...
Created by Fang on December 03, 2011 12:31:20 Last update: December 03, 2011 12:33:23
The <h:outputText> tag generates different output for body text and value attribute. I tested the following with Apache MyFaces 2.1.3:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Stric...With value attribute, the output was:
<table border='1' cellspacing='0' cellpadding='4'>...With text in body, the output was (i.e., the text was escaped despite escape="false" ):
<table border='1' cellspacing='0' cellpadding='...
Created by James on November 27, 2011 16:02:11 Last update: November 27, 2011 16:02:11
This is an example that uses the XSLTProcessor jQuery plugin for client side XSLT. Unfortunately it didn't work in IE or Chrome. It worked in Firefox but somehow disable-output-escaping="yes" was ignored.
<!DOCTYPE html> <html xmlns="http://www.w3.org/...
Created by Fang on November 08, 2011 20:55:00 Last update: November 21, 2011 18:19:44
In the simple taglib example , I used a tag handler class to implement a taglib. This is an example to implement a taglib with a UI component. The purpose is to use a custom tag to split a string and print each part in a separate paragraph, i.e., print
<p>john</p> <p>steve</p> <p>mike</p>with custom tag <my:foreach> :
<my:foreach var="who" value="john steve mike"> ...These are the files: pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0"...src/main/java/com/example/UIForeash.java :
package com.example; import java.io.IOExcep...src/main/resources/META-INF/faces-config.xml :
<?xml version="1.0" encoding="UTF-8"?> <faces-c...src/main/resources/META-INF/foreach.taglib.xml :
<?xml version="1.0" encoding="UTF-8"?> <facelet...How to use: Put the JAR file generated by the above project in the WEB-INF/lib folder of the web app. If the web app is a Maven project, just add the taglib project as a dependency:...
Created by Fang on November 10, 2011 11:27:37 Last update: November 10, 2011 11:28:25
This has been tested working with Apache MyFaces 2.1.3 running Tomcat 7. Managed bean code:
package com.example; import javax.faces.bea...Facelet page:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Stric...