svn commit: r1332662 - /tuscany/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/ContributionHelper.java

[an...@apache.org]

Author: antelder
Date: Tue May  1 14:07:20 2012
New Revision: 1332662

URL: http://svn.apache.org/viewvc?rev=1332662&view=rev
Log:
TUSCANY-4034: Move the freeing up of contribution resources to a helper method that can be shared and have that called from remove in Contribution Listener

Added:
    tuscany/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/ContributionHelper.java

Added: tuscany/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/ContributionHelper.java
URL: http://svn.apache.org/viewvc/tuscany/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/ContributionHelper.java?rev=1332662&view=auto
==============================================================================
--- tuscany/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/ContributionHelper.java (added)
+++ tuscany/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/ContributionHelper.java Tue May  1 14:07:20 2012
@@ -0,0 +1,62 @@
+package org.apache.tuscany.sca.impl;
+
+import java.net.URLClassLoader;
+
+import org.apache.tuscany.sca.common.xml.dom.DOMHelper;
+import org.apache.tuscany.sca.contribution.Contribution;
+import org.apache.tuscany.sca.contribution.java.impl.ClassLoaderModelResolver;
+import org.apache.tuscany.sca.contribution.resolver.ClassReference;
+import org.apache.tuscany.sca.contribution.resolver.ExtensibleModelResolver;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.core.invocation.ProxyFactory;
+import org.apache.tuscany.sca.core.invocation.ProxyFactoryExtensionPoint;
+import org.apache.tuscany.sca.databinding.jaxb.JAXBContextHelper;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+
+import sun.misc.ClassLoaderUtil;
+
+public class ContributionHelper {
+
+	public static void close(Contribution contribution, ExtensionPointRegistry extensionPointRegistry) {
+        ClassLoader contributionClassloader = contribution.getClassLoader();  
+
+        if (contributionClassloader == null && contribution.getModelResolver() instanceof ExtensibleModelResolver) {
+            ModelResolver o = ((ExtensibleModelResolver)contribution.getModelResolver()).getModelResolverInstance(ClassReference.class);
+            if (o instanceof ClassLoader) {
+            	contributionClassloader = (ClassLoader)o;        
+            	contribution.setClassLoader(contributionClassloader);
+            }
+        }
+        
+        UtilityExtensionPoint utilityExtensionPoint = extensionPointRegistry.getExtensionPoint(UtilityExtensionPoint.class);
+        FactoryExtensionPoint factoryExtensionPoint = extensionPointRegistry.getExtensionPoint(FactoryExtensionPoint.class);
+
+        JAXBContextHelper jaxbContextHelper = utilityExtensionPoint.getUtility(JAXBContextHelper.class);
+        jaxbContextHelper.removeJAXBContextForContribution(contributionClassloader);
+        
+        JavaInterfaceFactory javaInterfaceFactory = factoryExtensionPoint.getFactory(JavaInterfaceFactory.class);
+        javaInterfaceFactory.removeInterfacesForContribution(contributionClassloader);
+        
+        ProxyFactoryExtensionPoint proxyFactoryExtensionPoint = extensionPointRegistry.getExtensionPoint(ProxyFactoryExtensionPoint.class);
+        ProxyFactory interfaceProxyFactory = proxyFactoryExtensionPoint.getInterfaceProxyFactory();
+        interfaceProxyFactory.removeProxiesForContribution(contributionClassloader);
+
+        DOMHelper.getInstance(extensionPointRegistry).stop();
+        java.beans.Introspector.flushCaches();
+
+        if (contributionClassloader instanceof URLClassLoader) {
+            ClassLoaderUtil.releaseLoader((URLClassLoader)contributionClassloader);
+        }
+
+        if (contributionClassloader instanceof ClassLoaderModelResolver) {
+        	ClassLoaderModelResolver clmr = (ClassLoaderModelResolver) contributionClassloader;
+        	clmr.clear();
+        }
+
+        contribution.setClassLoader(null);
+	}
+	
+}