[jboss-cvs] JBossAS SVN: r111075 - projects/jboss-cl/trunk/classloading/src/main/java/org/jboss/classloading/spi/metadata/helpers.

[jboss-cvs-commits at lists.jboss.org]

Author: alesj
Date: 2011-03-31 08:49:42 -0400 (Thu, 31 Mar 2011)
New Revision: 111075

Added:
   projects/jboss-cl/trunk/classloading/src/main/java/org/jboss/classloading/spi/metadata/helpers/ReflectionTranslator.java
Log:
Add reflection translator.


Added: projects/jboss-cl/trunk/classloading/src/main/java/org/jboss/classloading/spi/metadata/helpers/ReflectionTranslator.java
===================================================================
--- projects/jboss-cl/trunk/classloading/src/main/java/org/jboss/classloading/spi/metadata/helpers/ReflectionTranslator.java	                        (rev 0)
+++ projects/jboss-cl/trunk/classloading/src/main/java/org/jboss/classloading/spi/metadata/helpers/ReflectionTranslator.java	2011-03-31 12:49:42 UTC (rev 111075)
@@ -0,0 +1,59 @@
+/*
+ * JBoss, Home of Professional Open Source.
+ * Copyright 2011, Red Hat Middleware LLC, and individual contributors
+ * as indicated by the @author tags. See the copyright.txt file in the
+ * distribution for a full listing of individual contributors.
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+ */
+
+package org.jboss.classloading.spi.metadata.helpers;
+
+import java.lang.reflect.Method;
+import java.security.ProtectionDomain;
+
+import org.jboss.util.loading.Translator;
+
+/**
+ * Reflection based translator.
+ *
+ * @author <a href="mailto:ales.justin at jboss.org">Ales Justin</a>
+ */
+public class ReflectionTranslator implements Translator
+{
+   private Object translator;
+   private Method method;
+
+   public ReflectionTranslator(Object translator, String methodName) throws Exception
+   {
+      if (translator == null)
+         throw new IllegalArgumentException("Null translator");
+      if (methodName == null)
+         throw new IllegalArgumentException("Null method name");
+
+      this.translator = translator;
+      this.method = translator.getClass().getMethod(methodName, ClassLoader.class, String.class, Class.class, ProtectionDomain.class, byte[].class);
+   }
+
+   public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer) throws Exception
+   {
+      return (byte[]) method.invoke(translator, loader, className, classBeingRedefined, protectionDomain, classfileBuffer);
+   }
+
+   public void unregisterClassLoader(ClassLoader loader)
+   {
+   }
+}