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Contains the core Hudson code and view files to render HTML.

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/*******************************************************************************
 *
 * Copyright (c) 2004-2010 Oracle Corporation.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     
 *
 *******************************************************************************/ 

package hudson.util;

import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;

/**
 * Creates a proxy that traps every method call.
 *
 * @author Kohsuke Kawaguchi
 */
public abstract class InterceptingProxy {
    /**
     * Intercepts every method call.
     */
    protected abstract Object call(Object o, Method m, Object[] args) throws Throwable;

    public final  T wrap(Class type, final T object) {
        return type.cast(Proxy.newProxyInstance(type.getClassLoader(), new Class[]{type}, new InvocationHandler() {
            public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
                try {
                    return call(object,method,args);
                } catch (InvocationTargetException e) {
                    throw e.getTargetException();
                }
            }
        }));
    }
}