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Apache CXF example source code file (SoapPreProtocolOutInterceptor.java)

This example Apache CXF source code file (SoapPreProtocolOutInterceptor.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Apache CXF tags/keywords

bindingoperationinfo, hashmap, list, list, map, soap11, soapmessage, soapoperationinfo, soapoperationinfo, soappreprotocoloutinterceptor, soappreprotocoloutinterceptor, soapversion, string, string, util

The Apache CXF SoapPreProtocolOutInterceptor.java source code

/**
 * 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.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.cxf.binding.soap.Soap11;
import org.apache.cxf.binding.soap.Soap12;
import org.apache.cxf.binding.soap.SoapBindingConstants;
import org.apache.cxf.binding.soap.SoapMessage;
import org.apache.cxf.binding.soap.SoapVersion;
import org.apache.cxf.binding.soap.model.SoapOperationInfo;
import org.apache.cxf.helpers.CastUtils;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.message.Message;
import org.apache.cxf.phase.Phase;
import org.apache.cxf.service.model.BindingOperationInfo;

import static org.apache.cxf.message.Message.MIME_HEADERS;

/**
 * This interceptor is responsible for setting up the SOAP version
 * and header, so that this is available to any pre-protocol interceptors
 * that require these to be available.
 */
public class SoapPreProtocolOutInterceptor extends AbstractSoapInterceptor {

    public SoapPreProtocolOutInterceptor() {
        super(Phase.POST_LOGICAL);
    }

    /**
     * Mediate a message dispatch.
     * 
     * @param message the current message
     * @throws Fault
     */
    public void handleMessage(SoapMessage message) throws Fault {
        ensureVersion(message);
        ensureMimeHeaders(message);
        if (isRequestor(message)) {
            setSoapAction(message);
        }

    }
    
    /**
     * Ensure the SOAP version is set for this message.
     * 
     * @param message the current message
     */
    private void ensureVersion(SoapMessage message) {
        SoapVersion soapVersion = message.getVersion();
        if (soapVersion == null
            && message.getExchange().getInMessage() instanceof SoapMessage) {
            soapVersion = ((SoapMessage)message.getExchange().getInMessage()).getVersion();
            message.setVersion(soapVersion);
        }
        
        if (soapVersion == null) {
            soapVersion = Soap11.getInstance();
            message.setVersion(soapVersion);
        }
        
        message.put(Message.CONTENT_TYPE, soapVersion.getContentType());
    }
    
    /**
     * Ensure the SOAP header is set for this message.
     * 
     * @param message the current message
     */
    private void ensureMimeHeaders(SoapMessage message) {
        if (message.get(MIME_HEADERS) == null) {
            message.put(MIME_HEADERS, new HashMap<String, List());
        }
    }
    
    private void setSoapAction(SoapMessage message) {
        BindingOperationInfo boi = message.getExchange().getBindingOperationInfo();
        
        // The soap action is set on the wrapped operation.
        if (boi != null && boi.isUnwrapped()) {
            boi = boi.getWrappedOperation();
        }
        
        String action = getSoapAction(message, boi);
        
        if (message.getVersion() instanceof Soap11) {
            Map<String, List reqHeaders = CastUtils.cast((Map)message.get(Message.PROTOCOL_HEADERS));
            if (reqHeaders == null) {
                reqHeaders = new HashMap<String, List();
            }
            
            if (reqHeaders.size() == 0) {
                message.put(Message.PROTOCOL_HEADERS, reqHeaders);
            }
            
            if (!reqHeaders.containsKey(SoapBindingConstants.SOAP_ACTION)) {            
                reqHeaders.put(SoapBindingConstants.SOAP_ACTION, Collections.singletonList(action));
            }
        } else if (message.getVersion() instanceof Soap12 && !"\"\"".equals(action)) {
            String ct = (String) message.get(Message.CONTENT_TYPE);
            
            if (ct.indexOf("action=\"") == -1) {
                ct = new StringBuilder().append(ct)
                    .append("; action=").append(action).toString();
                message.put(Message.CONTENT_TYPE, ct);
            }
        }
    }

    private String getSoapAction(SoapMessage message, BindingOperationInfo boi) {
        // allow an interceptor to override the SOAPAction if need be
        String action = (String) message.get(SoapBindingConstants.SOAP_ACTION);
        
        // Fall back on the SOAPAction in the operation info
        if (action == null) {
            if (boi == null) {
                action = "\"\"";
            } else {
                SoapOperationInfo soi = (SoapOperationInfo) boi.getExtensor(SoapOperationInfo.class);
                action = soi == null ? "\"\"" : soi.getAction() == null ? "\"\"" : soi.getAction();
            }
        }
        
        if (!action.startsWith("\"")) {
            action = new StringBuilder().append("\"").append(action).append("\"").toString();
        }
        
        return action;
    }

}

Other Apache CXF examples (source code examples)

Here is a short list of links related to this Apache CXF SoapPreProtocolOutInterceptor.java source code file:

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