CallbackMethodHandler.java

/*
 * Copyright 2005-2006 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
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package com.sun.xml.internal.ws.client.sei;

import com.sun.xml.internal.ws.model.JavaMethodImpl;
import javax.xml.ws.AsyncHandler;
import javax.xml.ws.WebServiceException;
import java.util.concurrent.Future;

/**
 * {@link MethodHandler} that uses {@link AsyncHandler}.
 *
 * @author Kohsuke Kawaguchi
 */
final class CallbackMethodHandler extends AsyncMethodHandler {

    /**
     * Position of the argument that takes {@link AsyncHandler}.
     */
    private final int handlerPos;

    public CallbackMethodHandler(SEIStub owner, JavaMethodImpl jm, SyncMethodHandler core, int handlerPos) {
        super(owner,jm,core);
        this.handlerPos = handlerPos;
    }

    public Future<?> invoke(Object proxy, Object[] args) throws WebServiceException {
        // the spec requires the last argument
        final AsyncHandler handler = (AsyncHandler)args[handlerPos];

        return doInvoke(proxy, args, handler);
    }
}