/*
 * Copyright (c) 2005, 2006, Oracle and/or its affiliates. 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * SOAPHandlerProcessor.java
 *
 * Created on February 8, 2006, 5:43 PM
 *
 *
 */

package com.sun.xml.internal.ws.handler;

import com.sun.xml.internal.ws.api.WSBinding;
import com.sun.xml.internal.ws.api.SOAPVersion;
import com.sun.xml.internal.ws.api.message.Message;
import com.sun.xml.internal.ws.api.message.Messages;
import com.sun.xml.internal.ws.encoding.soap.SOAP12Constants;
import com.sun.xml.internal.ws.encoding.soap.SOAPConstants;
import java.util.List;
import java.util.logging.Level;
import javax.xml.namespace.QName;
import javax.xml.ws.ProtocolException;
import javax.xml.ws.handler.Handler;

/**
 *
 * @author WS Development Team
 */
final class SOAPHandlerProcessor<C extends MessageUpdatableContext> extends HandlerProcessor<C> {

    /**
     * Creates a new instance of SOAPHandlerProcessor
     */
    public SOAPHandlerProcessor(boolean isClient, HandlerTube owner, WSBinding binding, List<? extends Handler> chain) {
        super(owner, binding, chain);
        this.isClient = isClient;
    }
    
    /**
     * Replace the message in the given message context with a
     * fault message. If the context already contains a fault
     * message, then return without changing it.
     *
     * <p>This method should only be called during a request,
     * because during a response an exception from a handler
     * is dispatched rather than replacing the message with
     * a fault. So this method can use the MESSAGE_OUTBOUND_PROPERTY
     * to determine whether it is being called on the client
     * or the server side. If this changes in the spec, then
     * something else will need to be passed to the method
     * to determine whether the fault code is client or server.
     */
    final void insertFaultMessage(C context,
        ProtocolException exception) {
        try {
            if(!context.getPacketMessage().isFault()) {
                Message faultMessage = Messages.create(binding.getSOAPVersion(),
                        exception,determineFaultCode(binding.getSOAPVersion()));
                context.setPacketMessage(faultMessage);
            }
        } catch (Exception e) {
            // severe since this is from runtime and not handler
            logger.log(Level.SEVERE,
                "exception while creating fault message in handler chain", e);
            throw new RuntimeException(e);
        }
    }
    
    /**
     * <p>Figure out if the fault code local part is client,
     * server, sender, receiver, etc. This is called by
     * insertFaultMessage.
     */
    private QName determineFaultCode(SOAPVersion soapVersion) {
        return isClient ? soapVersion.faultCodeClient : soapVersion.faultCodeServer;
    }

}
