Added sitemesh <content> block extractor

src/main/java/org/genesys2/sitemesh3/ContentTagRuleBundle.java

+package org.genesys2.sitemesh3;
+
+import org.sitemesh.SiteMeshContext;
+import org.sitemesh.content.ContentProperty;
+import org.sitemesh.content.tagrules.TagRuleBundle;
+import org.sitemesh.content.tagrules.html.ContentBlockExtractingRule;
+import org.sitemesh.tagprocessor.State;
+
+/**
+ * Add only the "content" block extractor
+ */
+public class ContentTagRuleBundle implements TagRuleBundle {
+
+	public void install(State defaultState, ContentProperty contentProperty, SiteMeshContext siteMeshContext) {
+		// <content> blocks
+		defaultState.addRule("content", new ContentBlockExtractingRule(contentProperty.getChild("page")));
+	}
+
+	public void cleanUp(State defaultState, ContentProperty contentProperty, SiteMeshContext siteMeshContext) {
+		// No op.
+	}
+}
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src/main/webapp/WEB-INF/sitemesh3.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <sitemesh>
-	<mime-type>text/html</mime-type>
+	<content-processor>
+		<tag-rule-bundle class="org.genesys2.sitemesh3.ContentTagRuleBundle" />
+	</content-processor>
 	
+	<mime-type>text/html</mime-type>
+
 	<mapping path="/welcome" decorator="/WEB-INF/decorator/entry.jsp" />
 	<mapping path="/*" decorator="/WEB-INF/decorator/main.jsp" />
 	<mapping path="/html/*" exclude="true" />
 	<mapping path="*/ajax/*" exclude="true" />
+
 </sitemesh>  
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