EjbObjectInputStream.java :  » J2EE » openejb3 » org » apache » openejb » core » ivm » Java Open Source

 /**
 * 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.openejb.core.ivm;

import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectStreamClass;
import java.lang.reflect.Proxy;

/**
 * @version $Rev: 672429 $ $Date: 2008-06-27 16:48:34 -0700 (Fri, 27 Jun 2008) $
 */
public class EjbObjectInputStream extends ObjectInputStream {

    public EjbObjectInputStream(InputStream in) throws IOException {
        super(in);
    }

    protected Class resolveClass(ObjectStreamClass classDesc) throws IOException, ClassNotFoundException {
        try {
            return Class.forName(classDesc.getName(), false, getClassloader());
        } catch (ClassNotFoundException e) {
            String n = classDesc.getName();
            if (n.equals("boolean")) return boolean.class;
            if (n.equals("byte")) return byte.class;
            if (n.equals("char")) return char.class;
            if (n.equals("short")) return short.class;
            if (n.equals("int")) return int.class;
            if (n.equals("long")) return long.class;
            if (n.equals("float")) return float.class;
            if (n.equals("double")) return double.class;

            throw e;
        }
    }

    protected Class resolveProxyClass(String[] interfaces) throws IOException, ClassNotFoundException {
        Class[] cinterfaces = new Class[interfaces.length];
        for (int i = 0; i < interfaces.length; i++)
            cinterfaces[i] = getClassloader().loadClass(interfaces[i]);

        try {
            return Proxy.getProxyClass(getClassloader(), cinterfaces);
        } catch (IllegalArgumentException e) {
            throw new ClassNotFoundException(null, e);
        }
    }

    ClassLoader getClassloader() {
        return Thread.currentThread().getContextClassLoader();
    }

}