From a7e67b48931a441ba7e31aa48f1150a40a888fab Mon Sep 17 00:00:00 2001
From: Harlan Iverson <h.iverson+git@gmail.com>
Date: Sun, 22 Jun 2008 02:06:44 +0000
Subject: [PATCH] added start of Alternative Script Syntax transport... does
 not work.

---
 src/assembler/xmpp4js.xml                  |  1 +
 src/main/javascript/transport/Script.js.js | 96 ++++++++++++++++++++++++++++++
 2 files changed, 97 insertions(+)
 create mode 100644 src/main/javascript/transport/Script.js.js

diff --git a/src/assembler/xmpp4js.xml b/src/assembler/xmpp4js.xml
index 2c0a022..9601f1e 100644
--- a/src/assembler/xmpp4js.xml
+++ b/src/assembler/xmpp4js.xml
@@ -33,6 +33,7 @@
                 <include>io/HttpBindingStream.js</include>
                 -->
                 <include>transport/BOSH.js</include>
+                <include>transport/Script.js</include>
                 
                 <!-- packet filter -->
                 <include>PacketFilter.js</include>
diff --git a/src/main/javascript/transport/Script.js.js b/src/main/javascript/transport/Script.js.js
new file mode 100644
index 0000000..85965a9
--- /dev/null
+++ b/src/main/javascript/transport/Script.js.js
@@ -0,0 +1,96 @@
+Ext.namespace( "Xmpp4Js.Transport" );
+
+/**
+ * Functionality that needs testing:
+ *  write:  
+ *   sid 
+ *     no sid on first request
+ *    always present after session has started
+ *   rid
+ *    always present
+ *    starts random
+ *    sequential
+ *    rollover at int limit
+ *   key
+ *    present / not present if it should be
+ *    first, middle, last, first (init with length 3)
+ *
+ *  beginSession:
+ *   rid, no sid, correct attributes
+ *   error if called when open
+ *   event is raised
+ *
+ *  endSession:
+ *   terminate type and correct attributes are present
+ *   error if called while not open
+ *   event is raised
+ *
+ *  send:
+ *   error before beginSession or after endSession
+ *   multible nodes are combined to make one request
+ *   number of open requests > max open requets
+ *
+ *  polling:
+ *   doesn't send if there is an open request
+ *   doesn't send if there are items in the queue
+ *   sends empty body if both are empty
+ */
+Xmpp4Js.Transport.Script = function(config) {
+    Xmpp4Js.Transport.Script.superclass.constructor.call( this, config );
+}
+
+Xmpp4Js.Transport.Script.prototype = {
+    
+    /**
+     * Immediately write a raw packet node to the wire. Adds frame data including
+     * RID, SID and Key if they are present.
+     *
+     * Also increments the openRequestCount, which is then decremented in the
+     * onWriteResponse method.
+     *
+     * A possible addition could be to add a "no headers" flag.
+     *
+     * @param {DomElement} packetNode
+     */
+    write: function(packetNode) {
+        
+        this.addFrameData( packetNode );
+        
+        var xml = packetNode.toString();
+
+        this.fireEvent( "write", packetNode );
+
+        this.openRequestCount++;
+        
+        
+        // TODO check for max length constraints in browsers
+        var requestUrl = "http://"+this.server+":"+this.port+"/"+this.endpoint+"?body="+xml;
+        var scriptElem = document.createElement( "script" );
+        scriptElem.setAttribute( "type", "text/javascript" );
+        scriptElem.setAttribute( "src", requestUrl );
+        
+        // TODO handle multiple connections...
+        window._BOSH_ = function(xml) {
+            this.handleResponse();
+        }.bind(this);
+        
+        document.body.appendChild( scriptElem );
+    },
+    
+    /**
+     * Handles the response to a write call.
+     *
+     * Decrements the openRequestCount that was incremented in write.
+     * @private
+     */
+    onWriteResponse: function( xml ) {
+      this.openRequestCount--;
+
+        // TODO character replacement (18.3)?
+        
+      var packetNode = new DOMImplementation().loadXML( xml ).documentElement;
+      this.fireEvent( "recv", packetNode );
+    }
+}
+
+Ext.extend( Xmpp4Js.Transport.Script, Xmpp4Js.Transport.BOSH, Xmpp4Js.Transport.Script.prototype );
-- 
2.11.4.GIT