- Added extension sample project to contain extenstion samples and used to test extension capabilities

- Added contentHits sample aspect that, when applied, counts the number of times a node of content is read and updated.
- Fix to web service sample
- Prevented onContentRead policy being fired when content is updated.

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@2287 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/content/RoutingContentService.java

@@ -233,6 +233,11 @@ public class RoutingContentService implements ContentService
     }
     
     public ContentReader getReader(NodeRef nodeRef, QName propertyQName)
+    {
+        return getReader(nodeRef, propertyQName, true);
+    }
+    
+    private ContentReader getReader(NodeRef nodeRef, QName propertyQName, boolean fireContentReadPolicy)
     {
         // ensure that the node property is of type content
         PropertyDefinition contentPropDef = dictionaryService.getProperty(propertyQName);
@@ -263,7 +268,7 @@ public class RoutingContentService implements ContentService
         reader.setEncoding(contentData.getEncoding());
         
         // Fire the content read policy
-        if (reader != null)
+        if (reader != null && fireContentReadPolicy == true)
         {
             // Fire the content update policy
             Set<QName> types = new HashSet<QName>(this.nodeService.getAspects(nodeRef));
@@ -280,7 +285,7 @@ public class RoutingContentService implements ContentService
     public ContentWriter getWriter(NodeRef nodeRef, QName propertyQName, boolean update)
     {
         // check for an existing URL - the get of the reader will perform type checking
-        ContentReader existingContentReader = getReader(nodeRef, propertyQName);
+        ContentReader existingContentReader = getReader(nodeRef, propertyQName, false);
         
         // TODO: Choose the store to write to at runtime