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Created by Dr. Xi on April 19, 2012 10:10:08 Last update: April 19, 2012 10:11:06
The default servlet for Tomcat is declared in $CATALINA_HOME/conf/web.xml :
<servlet> <servlet-name>default</servle...Therefore, static content is rendered by the default configuration unless you override it with your own definitions. If you want to allow directory listing, just change the listing parameter to true :
<init-param> <param-name>listings</para...Change the welcome-file-list to display a default page in lieu of a directory listing:
<welcome-file-list> <welcome-file>home.xhtml</...Welcome pages are defined at the Web application level.
Created by Fang on March 30, 2012 12:15:49 Last update: March 30, 2012 12:15:49
1. mvc:default-servlet-handler Configures a handler for serving static resources by forwarding to the Servlet container's default Servlet. Use of this handler allows using a "/" mapping with the DispatcherServlet while still utilizing the Servlet container to serve static resources. HandlerMapping: org.springframework.web.servlet.handler.SimpleUrlHandlerMapping Handler: org.springframework.web.servlet.handler.SimpleUrlHandlerMapping Attribute Description default-servlet-name The name of the default Servlet to forward to for static resource requests. The handler will try to auto-detect the container's default Servlet at startup time using a list of known names. If the default Servlet cannot be detected because of using an unknown container or because it has been manually configured, the servlet name must be set explicitly. 2. mvc:view-controller Defines a simple Controller that selects a view to render the response. HandlerMapping: org.springframework.web.servlet.handler.SimpleUrlHandlerMapping Handler: org.springframework.web.servlet.mvc.ParameterizableViewController Attribute Description...
Created by Fang on November 10, 2011 09:26:12 Last update: November 10, 2011 09:26:12
Syntax highlighted XML schema for JSF 2.0 Application Configuration Resource File ( faces-config.xml ). Almost 3000 lines!
<?xml version="1.0" encoding="UTF-8"?> <xsd:sch...
Created by Fang on October 28, 2011 13:49:40 Last update: October 30, 2011 19:23:25
This is a simple example to demonstrate the templating power of JSF facelets. If you've used struts tiles before, you'll recognize the simplicity of templating with facelets. I've stripped out everything else except the pages themselves, just to put our focus on facelets. This is a Maven based project, and you need Tomcat (or any servlet container) to run the resulting webapp. To begin with this is the list of files:
./pom.xml ./src/main/webapp/home.xhtml ./src...I left faces-config.xml in there for completeness sake, it may not be needed. The Maven POM ( pom.xml ):
<?xml version="1.0" encoding="UTF-8"?> <project...Web app configuration ( WEB-INF/web.xml ):
<?xml version="1.0" encoding="UTF-8"?> <web-app...Empty WEB-INF/faces-config.xml :
<?xml version="1.0" encoding="UTF-8"?> <!-- Thi...index.jsp is simply a redirect to home.jsf :
<% response.sendRedirect("home.jsf"); %>...
Created by freyo on May 16, 2011 13:05:57 Last update: May 16, 2011 13:07:18
The root URL is: http://android.git.kernel.org/ Built-in applications are projects named platform/packages/apps/<app_name>.git , for example, phone app is: platform/packages/apps/Phone.git , contacts app is: platform/packages/apps/Contacts.git . Android framework classes such as android.app.Activity , android.content.ContentProvider etc., are under the platform/frameworks/base.git project. By default, browsing displays the HEAD branch, to see a different branch, add hb parameter. Compare: http://android.git.kernel.org/?p=platform/build.git;a=tree;f=tools to: http://android.git.kernel.org/?p=platform/build.git;a=tree;f=tools;hb=refs/tags/android-2.2.1_r1 , you'll notice that dexpreopt is missing in the former. Use the tags action to display a list of tags for the current project. For example: http://android.git.kernel.org/?p=platform/build.git;a=tags . An incomplete parameter list (parameters are separated by a semicolon): p : project, for example, platform/build.git . a : action, for example, tree , summary , log etc. f : file name. hb : branch or tag name, for example:...
Created by Dr. Xi on October 16, 2008 20:45:40 Last update: March 28, 2011 20:23:22
Java's built-in classes are way too complex/flexible for a simple protocol like HTTP. This is a wrapper to simplify HTTP GET and POST.
import java.io.*; import java.net.*; imp...A simple test:
import java.io.*; import java.util.*; ...
Created by Fang on August 23, 2010 22:55:58 Last update: August 24, 2010 15:45:04
The tags XML flow control tags are exactly the same as their Core flow control equivalents, except that the test condition with a boolean EL expression is replaced by the select condition with an XPath expression. In the case of the forEach tag, the items attribute is replaced with the select attribute. In a test condition, the XPath expression is evaluated to a boolean value by the rules of the XPath boolean() function, which converts its argument to a boolean as follows: a number is true if and only if it is neither positive or negative zero nor NaN. a node-set is true if and only if it is non-empty. a string is true if and only if its length is non-zero. an object of...
Created by voodoo on July 11, 2009 15:14:55 Last update: July 29, 2010 22:45:48
cURL is a command line tool for transferring files with URL syntax. The main purpose and use for cURL is to automate unattended file transfers or sequences of operations. It's really easy to see HTTP headers with curl:
C:\>curl --head http://www.google.com HTTP/1.0 ...or, headers and page together (dump headers to stdout):
$ curl --dump-header - http://www.google.com HTTP/...Download openssl from openssl.org:
C:\>curl --help Usage: curl [options...] <url> ...
Created by James on June 30, 2010 20:14:28 Last update: July 03, 2010 18:41:12
The HTML page
<!DOCTYPE html> <html> <head> <title>jQu...Client Side Code
// called before upload submit function sta...Server Side Code Using Apache Commons FileUpload as example. Upload code (responds to fileUpload.do ):
final HttpSession session = httpServletRequest...Progress code (responds to uploadProgress.do ):
HttpSession session = httpServletRequest.getSe...
Created by Fang on April 01, 2010 22:24:58 Last update: April 02, 2010 02:49:38
In this note I'll show you how to create and package a JSP custom tag. The purpose of this tag is to display a random splash image for a home page, among a set of images. We should be able to add or delete candidate splash images from the WAR archive without the need to change the JSP. This is the intended use of the tag:
<%@ taglib uri="http://custom.tag.com/demo" prefix...In the above example you provide a set of images named splash*.png (e.g., splash1.png, spalsh2.png, ...), and the tag will pick a random one to display when the JSP is rendered. Let's get started. I'll use Maven for this purpose. Create the standard Maven directory structure
./pom.xml ./src ./src/main ./src/main/jav...pom.xml
package tagdemo; import java.util.ArrayList......
Created by Dr. Xi on February 10, 2010 23:39:37 Last update: February 10, 2010 23:39:37
Example web.xml that includes most frequently used elements. This sample is for Servlet Specification 2.4.
<?xml version="1.0" encoding="UTF-8"?> <web-ap...
Created by Dr. Xi on February 09, 2010 04:54:10 Last update: February 09, 2010 04:54:10
Use this to connect to oracle RAC (Real Application Cluster):
jdbc:oracle:thin:@(DESCRIPTION=(LOAD_BALANCE=on) ...From Oracle Database JDBC Developer's Guide : Specifier Supported Drivers Example Oracle Net connection descriptor Thin, OCI Thin, using an address list: url="jdbc:oracle:thin:@(DESCRIPTION= (LOAD_BALANCE=on) (ADDRESS_LIST= (ADDRESS=(PROTOCOL=TCP)(HOST=host1) (PORT=1521)) (ADDRESS=(PROTOCOL=TCP)(HOST=host2)(PORT=1521))) (CONNECT_DATA=(SERVICE_NAME=service_name)))" OCI, using a cluster: "jdbc:oracle:oci:@(DESCRIPTION= (ADDRESS=(PROTOCOL=TCP)(HOST=cluster_alias) (PORT=1521)) (CONNECT_DATA=(SERVICE_NAME=service_name)))" Thin-style service name Thin "jdbc:oracle:thin:scott/tiger@//myhost:1521/myservicename" LDAP syntax Thin "jdbc:oracle:thin:@ldap://ldap.example.com:7777/sales,cn=OracleContext,dc=com" Bequeath connection OCI Empty. That is, nothing after @ "jdbc:oracle:oci:scott/tiger/@" TNSNames alias Thin, OCI OracleDataSource ods = new OracleDataSource(); ods.setTNSEntryName("MyTNSAlias");