1 files changed, 73 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-stable-20060304/sca/common/src/main/java/org/apache/tuscany/common/io/util/ClassLoaderObjectInputStream.java b/sca-java-1.x/tags/java-stable-20060304/sca/common/src/main/java/org/apache/tuscany/common/io/util/ClassLoaderObjectInputStream.java
new file mode 100644
index 0000000000..607267a464
--- /dev/null
+++ b/sca-java-1.x/tags/java-stable-20060304/sca/common/src/main/java/org/apache/tuscany/common/io/util/ClassLoaderObjectInputStream.java
@@ -0,0 +1,73 @@
+/**
+ *
+ *  Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
+ *
+ *  Licensed 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.common.io.util;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.ObjectInputStream;
+import java.io.ObjectStreamClass;
+import java.security.AccessController;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
+
+/**
+ *         <p/>
+ *         An implementation of an ObjectInputStream that takes a ClassLoader or works
+ *         with the current Thread context ClassLoader.
+ */
+public class ClassLoaderObjectInputStream extends ObjectInputStream {
+    protected ClassLoader classLoader;
+
+    /**
+     * Constructor
+     *
+     * @param in
+     * @param classLoader
+     * @throws IOException
+     */
+    public ClassLoaderObjectInputStream(InputStream in, ClassLoader classLoader) throws IOException {
+        super(in);
+        this.classLoader = classLoader;
+    }
+
+    /**
+     * @see java.io.ObjectInputStream#resolveClass(java.io.ObjectStreamClass)
+     */
+    protected Class resolveClass(final ObjectStreamClass desc) throws IOException, ClassNotFoundException {
+
+        final String name = desc.getName();
+        try {
+            return (Class) AccessController.doPrivileged(new PrivilegedExceptionAction() {
+                public Object run() throws ClassNotFoundException, IOException {
+                    try {
+                        return Class.forName(name, false, classLoader);
+                    } catch (ClassNotFoundException e) {
+                        return ClassLoaderObjectInputStream.super.resolveClass(desc);
+                    }
+                }
+            });
+        } catch (PrivilegedActionException ex) {
+            Exception e = ex.getException();
+            if (e instanceof ClassNotFoundException) {
+                throw (ClassNotFoundException) e;
+            } else if (e instanceof IOException) {
+                throw (IOException) e;
+            }
+            return null;
+        }
+    }
+}
+\ No newline at end of file