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Diffstat (limited to 'java/sca/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/corba/DynamicStubClassLoader.java')
-rw-r--r--java/sca/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/corba/DynamicStubClassLoader.java150
1 files changed, 0 insertions, 150 deletions
diff --git a/java/sca/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/corba/DynamicStubClassLoader.java b/java/sca/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/corba/DynamicStubClassLoader.java
deleted file mode 100644
index 82554a1c8f..0000000000
--- a/java/sca/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/corba/DynamicStubClassLoader.java
+++ /dev/null
@@ -1,150 +0,0 @@
-/*
- * 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.
- */
-package org.apache.tuscany.sca.binding.ejb.corba;
-
-import java.lang.reflect.Method;
-import java.lang.reflect.Modifier;
-
-import javax.rmi.CORBA.Stub;
-
-import net.sf.cglib.core.NamingPolicy;
-import net.sf.cglib.core.Predicate;
-import net.sf.cglib.proxy.Callback;
-import net.sf.cglib.proxy.CallbackFilter;
-import net.sf.cglib.proxy.Enhancer;
-import net.sf.cglib.proxy.FixedValue;
-import net.sf.cglib.proxy.MethodInterceptor;
-import net.sf.cglib.proxy.NoOp;
-
-/**
- * @version $Revision$ $Date$
- */
-public class DynamicStubClassLoader extends ClassLoader {
- private static final String PACKAGE_PREFIX = "org.omg.stub.";
-
- @Override
- public synchronized Class loadClass(final String name) throws ClassNotFoundException {
- ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
-
- // check if the stub already exists first
- try {
- return classLoader.loadClass(name);
- } catch (ClassNotFoundException e) {
- }
-
- // if this is not a class from the org.omg.stub name space don't attempt to generate
- if (!name.startsWith(PACKAGE_PREFIX)) {
- throw new ClassNotFoundException("Could not load class: " + name);
- }
-
- // load the interfaces class we are attempting to create a stub for
- Class iface = loadStubInterfaceClass(name, classLoader);
-
- // create the stub builder
- try {
- Enhancer enhancer = new Enhancer();
- enhancer.setSuperclass(Stub.class);
- enhancer.setInterfaces(new Class[] {iface});
- enhancer.setCallbackFilter(FILTER);
- enhancer.setCallbackTypes(new Class[] {NoOp.class, MethodInterceptor.class, FixedValue.class});
- enhancer.setUseFactory(false);
- enhancer.setClassLoader(classLoader);
- enhancer.setNamingPolicy(new NamingPolicy() {
- public String getClassName(String s, String s1, Object o, Predicate predicate) {
- return name;
- }
- });
-
- // generate the class
- Class result = enhancer.createClass();
- assert result != null;
-
- StubMethodInterceptor interceptor = new StubMethodInterceptor(iface);
- Ids ids = new Ids(iface);
- Enhancer.registerStaticCallbacks(result, new Callback[] {NoOp.INSTANCE, interceptor, ids});
-
- return result;
- } catch (RuntimeException e) {
- throw e;
- } catch (Error e) {
- throw e;
- }
- }
-
- private Class loadStubInterfaceClass(String name, ClassLoader classLoader) throws ClassNotFoundException {
- try {
- int begin = name.lastIndexOf('.') + 1;
- String iPackage = name.substring(13, begin);
- String iName = iPackage + name.substring(begin + 1, name.length() - 5);
-
- return classLoader.loadClass(iName);
- } catch (ClassNotFoundException e) {
- // don't log exceptions from CosNaming because it attempts to load every
- // class bound into the name server
-
- //FIXME this variable is never read, can we remove the
- // whole block of code??
- //boolean shouldLog = true;
- StackTraceElement[] stackTrace = e.getStackTrace();
- for (int i = 0; i < stackTrace.length; i++) {
- StackTraceElement stackTraceElement = stackTrace[i];
- if (stackTraceElement.getClassName().equals("org.omg.CosNaming.NamingContextExtPOA") && stackTraceElement
- .getMethodName().equals("_invoke")) {
- //shouldLog = false;
- break;
- }
- }
-
- throw new ClassNotFoundException("Unable to generate stub", e);
- }
- }
-
- private static final CallbackFilter FILTER = new CallbackFilter() {
- public int accept(Method method) {
- // we don't intercept non-public methods like finalize
- if (!Modifier.isPublic(method.getModifiers())) {
- return 0;
- }
-
- if (method.getReturnType().equals(String[].class) && method.getParameterTypes().length == 0
- && method.getName().equals("_ids")) {
- return 2;
- }
-
- if (Modifier.isAbstract(method.getModifiers())) {
- return 1;
- }
-
- return 0;
- }
- };
-
- private static final class Ids implements FixedValue {
- private final String[] typeIds;
-
- public Ids(Class type) {
- typeIds = Java2IDLUtil.createCorbaIds(type);
- }
-
- public Object loadObject() throws Exception {
- return typeIds;
- }
- }
-
-}