Package org.zkoss.zk.ui.http

Class WpdExtendlet

  • All Implemented Interfaces:
    Extendlet
    public class WpdExtendlet
extends java.lang.Object
    The extendlet to handle WPD (Widget Package Descriptor).

    Note: it assumes all JavaScript files are encoded in UTF-8.

    Bootstrapping

    In additions to loading, WPD allows to bootstrap a JavaScript codes by specifying a parameter called main. For example, the following link 

    <script type="text/javascript" src="/zkdemo/zkau/web/js/zk.wpd?main=foo.Go&what=12&more=xy" charset="UTF-8">
</script>
    will cause the following to be executed 
    zk.load('foo', function() {foo.Go.main({what: '123', more: 'xy'})});
    In other words, it loads the package called foo, and then invoke the main method of the foo.Go class.
    Since:
    5.0.0
    Author:
    tomyeh

    • Constructor Summary

      Constructors 
      Constructor Description
      WpdExtendlet()  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      protected java.lang.String getDeviceType()
      Returns the device type for this WpdExtendlet.
      boolean getFeature​(int feature)
      Returns if the specified feature is supported.
      ScriptManager getScriptManager()  
      void init​(ExtendletConfig config)
      Initializes the resource processor.
      boolean isDebugJS()
      Returns whether to generate JS files that is easy to debug.
      protected byte[] mergeJavaScript​(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, java.lang.String pkgTo, byte[] data)
      Merges the JavaScript code of the mergeable packages defined in LanguageDefinition.getMergedJavaScriptPackages(java.lang.String).
      protected byte[] retrieve​(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, java.lang.String path)
      Retrieves the content of the given path.
      void service​(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, java.lang.String path)
      Process the specified request.
      void setDebugJS​(boolean debugJS)
      Sets whether to generate JS files that is easy to debug.
      java.util.List<java.lang.String> splitSourceMapJsPathIfAny​(java.lang.String path)
      Internal use only (since 10.0.0)

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • SOURCE_MAP_JAVASCRIPT_PATH

        public static final java.lang.String SOURCE_MAP_JAVASCRIPT_PATH
        See Also:
        Constant Field Values

    • Constructor Detail

      • WpdExtendlet

        public WpdExtendlet()

    • Method Detail

      • init

        public void init​(ExtendletConfig config)
        Description copied from interface: Extendlet
        Initializes the resource processor.

      • service

        public void service​(javax.servlet.http.HttpServletRequest request,
                    javax.servlet.http.HttpServletResponse response,
                    java.lang.String path)
             throws javax.servlet.ServletException,
                    java.io.IOException
        Description copied from interface: Extendlet
        Process the specified request.
        path - the path mapped to this resource processor.
        Throws:
        javax.servlet.ServletException
        java.io.IOException

      • retrieve

        protected byte[] retrieve​(javax.servlet.http.HttpServletRequest request,
                          javax.servlet.http.HttpServletResponse response,
                          java.lang.String path)
                   throws javax.servlet.ServletException,
                          java.io.IOException
        Retrieves the content of the given path.
        Throws:
        javax.servlet.ServletException
        java.io.IOException
        Since:
        5.0.4

      • getDeviceType

        protected java.lang.String getDeviceType()
        Returns the device type for this WpdExtendlet.

        Default: ajax. The derived class might override it to implement a Wpd extendlet for other devices.

        Since:
        5.0.4

      • mergeJavaScript

        protected byte[] mergeJavaScript​(javax.servlet.http.HttpServletRequest request,
                                 javax.servlet.http.HttpServletResponse response,
                                 java.lang.String pkgTo,
                                 byte[] data)
                          throws javax.servlet.ServletException,
                                 java.io.IOException
        Merges the JavaScript code of the mergeable packages defined in LanguageDefinition.getMergedJavaScriptPackages(java.lang.String).
        Throws:
        javax.servlet.ServletException
        java.io.IOException
        Since:
        5.0.4.

      • splitSourceMapJsPathIfAny

        public java.util.List<java.lang.String> splitSourceMapJsPathIfAny​(java.lang.String path)
                                                           throws java.lang.Exception
        Internal use only (since 10.0.0)
        Throws:
        java.lang.Exception

      • setDebugJS

        public void setDebugJS​(boolean debugJS)
        Sets whether to generate JS files that is easy to debug.

      • isDebugJS

        public boolean isDebugJS()
        Returns whether to generate JS files that is easy to debug.

      • getFeature

        public boolean getFeature​(int feature)
        Description copied from interface: Extendlet
        Returns if the specified feature is supported.
        Specified by:
        getFeature in interface Extendlet