/**
 * 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.binding.soap.interceptor;

import java.util.logging.Logger;

import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;

import org.apache.cxf.binding.soap.SoapFault;
import org.apache.cxf.binding.soap.SoapMessage;
import org.apache.cxf.common.i18n.Message;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.phase.Phase;

/**
 * 
 */
public class StartBodyInterceptor extends AbstractSoapInterceptor {
    private static final Logger LOG = LogUtils.getL7dLogger(StartBodyInterceptor.class);
    
    public StartBodyInterceptor() {
        super(Phase.READ);
    }
    
    public StartBodyInterceptor(String phase) {
        super(phase);
    }

    /** {@inheritDoc}*/
    public void handleMessage(SoapMessage message) throws Fault {
        if (isGET(message)) {
            LOG.fine("StartBodyInterceptor skipped in HTTP GET method");
            return;
        }
        XMLStreamReader xmlReader = message.getContent(XMLStreamReader.class);
        //advance to just outside the <soap:body> opening tag, but not 
        //to the nextTag as that may skip over white space that is 
        //important to keep for ws-security signature digests and stuff
        try {
            int i = xmlReader.next();
            while (i == XMLStreamReader.NAMESPACE
                || i == XMLStreamReader.ATTRIBUTE) {
                i = xmlReader.next();
            }
        } catch (XMLStreamException e) {
            throw new SoapFault(new Message("XML_STREAM_EXC", LOG, e.getMessage()), e, 
                                message.getVersion().getSender());
        }

    }

}
