Glassfish example source code file (AroundInvokeInvocationContext.java)

This example Glassfish source code file (AroundInvokeInvocationContext.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Glassfish tags/keywords

aroundinvokeinvocationcontext, callbackinvocationcontext, exception, exception, method, method, object, object, override, override, reflection, throwable, util

The Glassfish AroundInvokeInvocationContext.java source code

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
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 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
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 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
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 */

package com.sun.ejb.containers.interceptors;

import java.lang.reflect.Method;
import java.lang.reflect.InvocationTargetException;
import javax.interceptor.InvocationContext;


import java.util.Map;
import java.util.HashMap;


/**
 * Concrete InvocationContext implementation passed to callback methods 
 * defined in interceptor classes.
 */
public class AroundInvokeInvocationContext extends CallbackInvocationContext
    implements InterceptorManager.AroundInvokeContext {

    private Method method;
    private int interceptorIndex = 0;
    private InterceptorManager.InterceptorChain chain;
    private Object[] parameters;


    public AroundInvokeInvocationContext(Object targetObjectInstance,
                                     Object[] interceptorInstances,
                                     InterceptorManager.InterceptorChain chain,
                                     Method m,
                                     Object[] params
                                     ) {
        super(targetObjectInstance, interceptorInstances, null);
        method = m;
        this.chain = chain;
        parameters = params;
    }

    @Override
    public Method getMethod() {
        return method;
    }

    @Override
    public Object proceed()
        throws Exception
    {
        try {
            interceptorIndex++;
            return chain.invokeNext(interceptorIndex, this);
        } catch (Exception ex) {
            throw ex;
        } catch (Throwable th) {
            throw new Exception(th);
        } finally {
            interceptorIndex--;
        }
    }

    @Override
    public Object[] getParameters() {
        return parameters;
    }

    @Override
    public void setParameters(Object[] params) {
        InterceptorUtil.checkSetParameters(params, getMethod());
        parameters = params;

    }


    /**
      * Called from Interceptor Chain to invoke the actual bean method.
      * This method must throw any exception from the bean method *as is*,
      * without being wrapped in an InvocationTargetException.  The exception
      * thrown from this method will be propagated through the application's
      * interceptor code, so it must not be changed in order for any exception
      * handling logic in that code to function properly.
      */
    public  Object invokeBeanMethod() throws Throwable {

        try {

            return method.invoke(getTarget(), parameters);

        } catch(InvocationTargetException ite) {
            throw ite.getCause();
        }
        
    }



}