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Apache CXF Minimal Bundle Jar
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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.cxf.jaxws.interceptors;

import java.util.List;

import javax.xml.ws.Holder;

import org.apache.cxf.helpers.CastUtils;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.message.Exchange;
import org.apache.cxf.message.Message;
import org.apache.cxf.message.MessageContentsList;
import org.apache.cxf.phase.AbstractPhaseInterceptor;
import org.apache.cxf.phase.Phase;
import org.apache.cxf.service.model.BindingOperationInfo;
import org.apache.cxf.service.model.MessagePartInfo;
import org.apache.cxf.service.model.OperationInfo;

public class HolderInInterceptor extends AbstractPhaseInterceptor {

    public static final String CLIENT_HOLDERS = "client.holders";
    
    public HolderInInterceptor() {
        super(Phase.PRE_INVOKE);
    }

    public void handleMessage(Message message) throws Fault {
        MessageContentsList inObjects = MessageContentsList.getContentsList(message);

        Exchange exchange = message.getExchange();
        BindingOperationInfo bop = exchange.getBindingOperationInfo();
        if (bop == null) {
            return;
        }
        OperationInfo op = bop.getOperationInfo();
        if (op == null || !op.hasOutput() || op.getOutput().size() == 0) {
            return;
        }
        
        List parts = op.getOutput().getMessageParts();
        
        boolean client = Boolean.TRUE.equals(message.get(Message.REQUESTOR_ROLE));
        if (client) {
            List outHolders = CastUtils.cast((List)message.getExchange()
                .getOutMessage().get(CLIENT_HOLDERS));
            for (MessagePartInfo part : parts) {
                if (part.getIndex() != 0 && part.getTypeClass() != null) {
                    @SuppressWarnings("unchecked")
                    Holder