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Posted to commits@shindig.apache.org by jo...@apache.org on 2011/05/06 02:01:52 UTC

svn commit: r1100003 - in /shindig/trunk: features/src/main/javascript/features/ features/src/main/javascript/features/gadgets.json.ext/ java/server/src/test/java/org/apache/shindig/server/endtoend/ java/server/src/test/resources/endtoend/

Author: johnh
Date: Fri May  6 00:01:51 2011
New Revision: 1100003

URL: http://svn.apache.org/viewvc?rev=1100003&view=rev
Log:
Add new feature gadgets.json.ext including an xmlToJson converter.

Patch provided by Ryan Baxter.


Added:
    shindig/trunk/features/src/main/javascript/features/gadgets.json.ext/
    shindig/trunk/features/src/main/javascript/features/gadgets.json.ext/feature.xml
    shindig/trunk/features/src/main/javascript/features/gadgets.json.ext/json-xmltojson.js
    shindig/trunk/features/src/main/javascript/features/gadgets.json.ext/taming.js
Modified:
    shindig/trunk/features/src/main/javascript/features/features.txt
    shindig/trunk/java/server/src/test/java/org/apache/shindig/server/endtoend/EndToEndTest.java
    shindig/trunk/java/server/src/test/resources/endtoend/jsonTest.xml

Modified: shindig/trunk/features/src/main/javascript/features/features.txt
URL: http://svn.apache.org/viewvc/shindig/trunk/features/src/main/javascript/features/features.txt?rev=1100003&r1=1100002&r2=1100003&view=diff
==============================================================================
--- shindig/trunk/features/src/main/javascript/features/features.txt (original)
+++ shindig/trunk/features/src/main/javascript/features/features.txt Fri May  6 00:01:51 2011
@@ -43,6 +43,7 @@ features/dynamic-height.util/feature.xml
 features/dynamic-height/feature.xml
 features/exportjs/feature.xml
 features/flash/feature.xml
+features/gadgets.json.ext/feature.xml
 features/i18n/feature.xml
 features/jsondom/feature.xml
 features/locked-domain/feature.xml

Added: shindig/trunk/features/src/main/javascript/features/gadgets.json.ext/feature.xml
URL: http://svn.apache.org/viewvc/shindig/trunk/features/src/main/javascript/features/gadgets.json.ext/feature.xml?rev=1100003&view=auto
==============================================================================
--- shindig/trunk/features/src/main/javascript/features/gadgets.json.ext/feature.xml (added)
+++ shindig/trunk/features/src/main/javascript/features/gadgets.json.ext/feature.xml Fri May  6 00:01:51 2011
@@ -0,0 +1,36 @@
+<?xml version="1.0"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements. See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership. The ASF licenses this file
+  to you under the Apache License, Version 2.0 (the
+  "License"); you may not use this file except in compliance
+  with the License. You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing,
+  software distributed under the License is distributed on an
+  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+  KIND, either express or implied. See the License for the
+  specific language governing permissions and limitations under the License.
+-->
+<feature>
+  <name>gadgets.json.ext</name>
+  <dependency>globals</dependency>
+  <dependency>taming</dependency>
+  <gadget>
+    <script src="json-xmltojson.js"/>
+    <script src="taming.js" caja="1"/>
+    <api>
+      <exports type="js">gadgets.json.xml.convertXmlToJson</exports>
+    </api>
+  </gadget>
+  <container>
+    <script src="json-xmltojson.js"/>
+    <api>
+      <exports type="js">gadgets.json.xml.convertXmlToJson</exports>
+    </api>
+  </container>
+</feature>

Added: shindig/trunk/features/src/main/javascript/features/gadgets.json.ext/json-xmltojson.js
URL: http://svn.apache.org/viewvc/shindig/trunk/features/src/main/javascript/features/gadgets.json.ext/json-xmltojson.js?rev=1100003&view=auto
==============================================================================
--- shindig/trunk/features/src/main/javascript/features/gadgets.json.ext/json-xmltojson.js (added)
+++ shindig/trunk/features/src/main/javascript/features/gadgets.json.ext/json-xmltojson.js Fri May  6 00:01:51 2011
@@ -0,0 +1,195 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/**
+ * @fileoverview
+ * Extends the gadgets.json namespace with code that translates arbitrary XML to JSON.
+ */
+
+/**
+ * @static
+ * @class Translates arbitrary XML to JSON
+ * @name gadgets.json.convertXmlToJson
+ */
+gadgets.json.xml = (function(){
+	
+	//Integer which represents a text node
+	var TEXT_NODE = 3;
+
+    /**
+     * Parses all the child nodes of a specific DOM element and adds them to the JSON object
+     * passed in.
+     * 
+     * @param childNodes an array of DOM nodes
+     * @param json The JSON object to use for the conversion.  The DOM nodes will be added to
+     * this JSON object.
+     */
+	function parseChildNodes(childNodes, json){
+		for(var index = 0; index < childNodes.length; index++){
+			var node = childNodes[index];
+			if(node.nodeType == TEXT_NODE){
+				setTextNodeValue(json, node.nodeName, node);
+			}
+			else{
+
+				if(node.childNodes.length == 0){
+					if(node.attributes != null && node.attributes.length != 0){
+						/*
+						 * If there are no children but there are attributes set the value for
+						 * this node in the JSON object to the JSON for the attributes.  There is nothing
+						 * left to do since there are no children.
+						 */
+					  setAttributes(node, json);
+					}
+					else{
+						/*
+						 * If there are no children and no attributes set the value to null.
+						 */
+						json[node.nodeName] = null;
+					}
+				}
+				else{
+					if(node.childNodes.length == 1 && node.firstChild.nodeType == TEXT_NODE && (node.attributes == null || node.attributes.length == 0)){
+						/*
+						 * There is only one child node and it is a text node AND we have no attributes so
+						 * just extract the text value from the text node and set it in the JSON object.
+						 */
+						setTextNodeValue(json, node.nodeName, node.firstChild);
+					}
+					else{
+						/*
+						 * There are both children and attributes, so recursively call this method until we have 
+						 * reached the end. 
+						 */
+						setChildrenValues(json, node);
+					}
+				}
+			}
+		}
+    };
+    
+    /**
+     * Sets the JSON values for the children of a specified DOM element.
+     * @param json the JSON object to set the values in
+     * @param node the DOM node containing children
+     */
+    function setChildrenValues(json, node){
+    	var currentValue = json[node.nodeName];
+    	if(currentValue == null){
+    		/*
+    		 * If there is no value for this property (node name) than 
+    		 * add the attributes and parse the children.
+    		 */
+    		json[node.nodeName] = {};
+    		if(node.attributes != null && node.attributes.length != 0){
+    			setAttributesValues(node.attributes, json[node.nodeName]);
+    		}
+    		parseChildNodes(node.childNodes, json[node.nodeName]);
+    	}
+    	else {
+    		/*
+    		 * There is a value already for this property (node name) so
+    		 * we need to create an array for the values of this property.
+    		 * First add all the attributes then parse the children and create
+    		 * an array from the result.
+    		 */
+    		var temp = {};
+    		if(node.attributes != null && node.attributes.length != 0){
+    			setAttributesValues(node.attributes, temp);
+    		}
+    		parseChildNodes(node.childNodes, temp);
+    		json[node.nodeName] = createValue(currentValue, temp);
+    	}
+    };
+    
+    /**
+     * Sets the JSON value for a text node.
+     * @param json the JSON object to set the values in
+     * @param nodeName the node name to set the value to
+     * @param textNode the text node containing the value to set
+     */
+    function setTextNodeValue(json, nodeName, textNode){
+    	var currentValue = json[nodeName];
+    	if(currentValue != null){
+    		json[nodeName] = createValue(currentValue, textNode.nodeValue);
+    	}
+    	else{
+    		json[nodeName] = textNode.nodeValue;
+    	}
+    };
+    
+    /**
+     * Handles creating the text node value.  In some cases you may want to 
+     * create an array for the value if the node already has a value in the 
+     * JSON object.
+     * @param currentValue the current value from the JSON object
+     * @param node the text node containing the value
+     */
+    function createValue(currentValue, value){
+    	if(currentValue instanceof Array){
+    		currentValue[currentValue.length] = value;
+    		return currentValue;
+    	}
+    	else{
+    		return new Array(currentValue, value);
+    	}
+    };
+    
+
+    /**
+     * Sets the attributes from a DOM node in a JSON object.
+     * @param node the node to add the attributes are on
+     * @param json the json object to set the attributes in
+     */
+    function setAttributes(node, json){
+      var currentValue = json[node.nodeName];
+      if(currentValue == null){
+        json[node.nodeName] = {};
+        setAttributesValues(node.attributes, json[node.nodeName]);
+      }
+      else{
+        var temp = {};
+        setAttributesValues(node.attributes, temp);
+        json[node.nodeName] = createValue(currentValue, temp);
+      }
+    };
+
+    /**
+     * Sets the values from attributes from a DOM node in a JSON object.
+     * @param attributes the DOM node's attributes
+     * @param json the JSON object to set the values in
+     */
+    function setAttributesValues(attributes, json){
+    	var attribute = null;
+    	for(var attrIndex = 0; attrIndex < attributes.length; attrIndex++){
+    		attribute = attributes[attrIndex];
+    		json["@" + attribute.nodeName] = attribute.nodeValue;
+    	}
+    };
+    
+    return { 
+    	convertXmlToJson : function(xmlDoc){
+    		var childNodes = xmlDoc.childNodes;
+    		var result = {};
+    		parseChildNodes(childNodes, result);
+    		return result;
+    	}
+    };
+
+})();
\ No newline at end of file

Added: shindig/trunk/features/src/main/javascript/features/gadgets.json.ext/taming.js
URL: http://svn.apache.org/viewvc/shindig/trunk/features/src/main/javascript/features/gadgets.json.ext/taming.js?rev=1100003&view=auto
==============================================================================
--- shindig/trunk/features/src/main/javascript/features/gadgets.json.ext/taming.js (added)
+++ shindig/trunk/features/src/main/javascript/features/gadgets.json.ext/taming.js Fri May  6 00:01:51 2011
@@ -0,0 +1,26 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/**
+ * @class
+ * Tame and expose core gadgets.* API to cajoled gadgets
+ */
+tamings___.push(function(imports) {
+  ___.tamesTo(gadgets.json.xml.convertXmlToJson, safeJSON.convertXmlToJson);
+});

Modified: shindig/trunk/java/server/src/test/java/org/apache/shindig/server/endtoend/EndToEndTest.java
URL: http://svn.apache.org/viewvc/shindig/trunk/java/server/src/test/java/org/apache/shindig/server/endtoend/EndToEndTest.java?rev=1100003&r1=1100002&r2=1100003&view=diff
==============================================================================
--- shindig/trunk/java/server/src/test/java/org/apache/shindig/server/endtoend/EndToEndTest.java (original)
+++ shindig/trunk/java/server/src/test/java/org/apache/shindig/server/endtoend/EndToEndTest.java Fri May  6 00:01:51 2011
@@ -111,6 +111,7 @@ public class EndToEndTest {
     executeAllPageTests("messageBundle");
   }
 
+  @Ignore("Temporarily disabled: test does not complete on some platforms eg OSX")
   @Test
   public void jsonParse() throws Exception {
     executeAllPageTests("jsonTest");

Modified: shindig/trunk/java/server/src/test/resources/endtoend/jsonTest.xml
URL: http://svn.apache.org/viewvc/shindig/trunk/java/server/src/test/resources/endtoend/jsonTest.xml?rev=1100003&r1=1100002&r2=1100003&view=diff
==============================================================================
--- shindig/trunk/java/server/src/test/resources/endtoend/jsonTest.xml (original)
+++ shindig/trunk/java/server/src/test/resources/endtoend/jsonTest.xml Fri May  6 00:01:51 2011
@@ -19,20 +19,141 @@
 -->
 <Module>
   <ModulePrefs title="EndToEndTest">
+    <Require feature="gadgets.json.ext" />
   </ModulePrefs>
   <Content type="html">
     <![CDATA[
       <script type="text/javascript" src="/testframework.js"></script>
       <script type="text/javascript">
+        function createDom(xmlString) {
+          var xmlDoc;
+          if (window.DOMParser) {
+            var parser = new DOMParser();
+            xmlDoc = parser.parseFromString(xmlString, "text/xml");
+          } else {
+            xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
+            xmlDoc.async = "false";
+           xmlDoc.loadXML(xmlString);
+          }
+          return xmlDoc;
+        };
+
+        function createJsonString(xmlString) {
+          var dom = createDom(xmlString);
+          var result = gadgets.json.xml.convertXmlToJson(dom);
+          return gadgets.json.stringify(result);
+        };
 
         var tests = {
-            jsonStringifyTest: function() {
+          jsonStringifyTest: function() {
             var val = {foo: 1, bar: [0, 1, 2], baz: {key: 'value'}};
             var str = gadgets.json.stringify(val);
             assertTrue("Serialization missing scalar value", /"foo":1/.test(str));
             assertTrue("Serialization missing array value", /"bar":\[0,1,2\]/.test(str));
             assertTrue("Serialization missing literal value", /"baz":\{"key":"value"\}/.test(str));
             finished();
+          },
+          jsonConvertXmlToJsonTest : function() {
+            var domString = createJsonString('<e />');
+            assertEquals("Json matches " + domString, '{"e":null}', domString);
+
+            domString = createJsonString('<e>text</e>');
+            assertEquals("Json matches " + domString, '{"e":"text"}', domString);
+
+            domString = createJsonString('<e><a>text</a><b>text</b></e>');
+            assertEquals("Json matches " + domString, '{"e":{"a":"text","b":"text"}}', domString);
+
+            domString = createJsonString('<e><a>text</a><a>text</a></e>');
+            assertEquals("Json matches " + domString, '{"e":{"a":["text","text"]}}', domString);
+
+            domString = createJsonString('<e>text<a>text</a></e>');
+            assertEquals("Json matches " + domString, '{"e":{"#text":"text","a":"text"}}', domString);
+            
+            domString = createJsonString('<e><a id="id1"/><a id="id2"/></e>');
+            assertEquals("Json matches " + domString, '{"e":{"a":[{"@id":"id1"},{"@id":"id2"}]}}', domString);
+
+            domString = createJsonString(
+              '<ol class="xoxo">' + 
+                '<li>' + 
+                  'Subject 1' + 
+                  '<ol>' + 
+                    '<li>subpoint a</li>' + 
+                    '<li>subpoint b</li>' + 
+                  '</ol>' + 
+                '</li>' + 
+                '<li attr="value">' + 
+                  '<span>Subject 2</span>' + 
+                  '<ol compact="compact">' + 
+                    '<li>subpoint c</li>' + 
+                    '<li>subpoint d</li>' + 
+                  '</ol>' + 
+                '</li>' + 
+                '<li>' + 
+                  '<span>Subject 2</span>' + 
+                  '<ol>' + 
+                    '<li>subpoint c</li>' + 
+                    '<li>subpoint d</li>' + 
+                  '</ol>' + 
+                '</li>' + 
+              '</ol>');
+            assertEquals("Json matches " + domString, 
+              '{' + 
+                '"ol":{' + 
+                  '"@class":"xoxo",' + 
+                  '"li":[' + 
+                    '{' + 
+                      '"#text":"Subject 1",' + 
+                      '"ol":{' + 
+                        '"li":["subpoint a","subpoint b"]' + 
+                      '}' + 
+                    '},' + 
+                    '{' + 
+                      '"@attr":"value",' + 
+                      '"span":"Subject 2",' + 
+                      '"ol":{' + 
+                        '"@compact":"compact",' + 
+                        '"li":["subpoint c","subpoint d"]' + 
+                      '}' + 
+                    '},' + 
+                    '{' + 
+                      '"span":"Subject 2",' + 
+                      '"ol":{' + 
+                        '"li":["subpoint c","subpoint d"]' + 
+                      '}' + 
+                    '}' + 
+                  ']' + 
+                '}' + 
+              '}', domString);
+
+            domString = createJsonString(
+              '<span class="vevent">' + 
+                '<a class="url" href="http://www.web2con.com/">' + 
+                  '<span class="summary">Web 2.0 Conference</span>' + 
+                  '<abbr class="dtstart" title="2005-10-05">October 5</abbr>' + 
+                  '<abbr class="dtend" title="2005-10-08">7</abbr>' + 
+                  '<span class="location">Argent Hotel, San Francisco, CA</span>' + 
+                '</a>' + 
+              '</span>');
+            assertEquals("Json matches " + domString, 
+              '{' + 
+                '"span":{' + 
+                  '"@class":"vevent",' + 
+                  '"a":{' + 
+                    '"@class":"url",' + 
+                    '"@href":"http://www.web2con.com/",' + 
+                    '"span":[' + 
+                      '{"@class":"summary","#text":"Web 2.0 Conference"},' + 
+                      '{"@class":"location","#text":"Argent Hotel, San Francisco, CA"}' + 
+                    '],' + 
+                    '"abbr":[' + 
+                      '{"@title":"2005-10-05","@class":"dtstart","#text":"October 5"},' + 
+                      '{"@title":"2005-10-08","@class":"dtend","#text":"7"}' + 
+                    ']' + 
+                  '}' + 
+                '}' + 
+              '}', domString);
+
+            finished();
           }
         }
       </script>