com.sun.xml.ws.client.sei.MethodHandler Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of jaxws-rt Show documentation
JAX-WS Runtime with module descriptor
There is a newer version: 4.0.3
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2012 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
 * http://glassfish.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:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * 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
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * 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
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package com.sun.xml.ws.client.sei;

import java.lang.reflect.Method;

import javax.xml.namespace.QName;
import javax.xml.ws.WebServiceException;

import com.sun.xml.ws.api.databinding.ClientCallBridge;

/**
 * Handles an invocation of a method.
 *
 * 
 * Each instance of {@link MethodHandler} has an implicit knowledge of
 * a particular method that it handles.
 *
 * @author Kohsuke Kawaguchi
 */
public abstract class MethodHandler {

    protected final SEIStub owner;
    protected Method method;

    protected MethodHandler(SEIStub owner, Method m) {
        this.owner = owner;
        method = m;
    }

    /**
     * Performs the method invocation.
     *
     * @param proxy
     *      The proxy object exposed to the user. Must not be null.
     * @param args
     *      The method invocation arguments. To handle asynchroonus method invocations
     *      without array reallocation, this aray is allowed to be longer than the
     *      actual number of arguments to the method. Additional array space should be
     *      simply ignored.
     * @return
     *      a return value from the method invocation. may be null.
     *
     * @throws WebServiceException
     *      If used on the client side, a {@link WebServiceException} signals an error
     *      during the service invocation.
     * @throws Throwable
     *      some faults are reported in terms of checked exceptions.
     */
    abstract Object invoke(Object proxy, Object[] args) throws WebServiceException, Throwable;
}