Source Code Cross Referenced for SOAPHandlerInterceptor.java in  » Web-Services-apache-cxf-2.0.1 » frontend » org » apache » cxf » jaxws » handler » soap » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Web Services apache cxf 2.0.1 » frontend » org.apache.cxf.jaxws.handler.soap 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * Licensed to the Apache Software Foundation (ASF) under one
003:         * or more contributor license agreements. See the NOTICE file
004:         * distributed with this work for additional information
005:         * regarding copyright ownership. The ASF licenses this file
006:         * to you under the Apache License, Version 2.0 (the
007:         * "License"); you may not use this file except in compliance
008:         * with the License. You may obtain a copy of the License at
009:         *
010:         * http://www.apache.org/licenses/LICENSE-2.0
011:         *
012:         * Unless required by applicable law or agreed to in writing,
013:         * software distributed under the License is distributed on an
014:         * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015:         * KIND, either express or implied. See the License for the
016:         * specific language governing permissions and limitations
017:         * under the License.
018:         */package org.apache.cxf.jaxws.handler.soap;
019:
020:        import java.net.URI;
021:        import java.util.HashSet;
022:        import java.util.Set;
023:
024:        import javax.xml.namespace.QName;
025:        import javax.xml.soap.SOAPException;
026:        import javax.xml.soap.SOAPMessage;
027:        import javax.xml.stream.XMLStreamException;
028:        import javax.xml.stream.XMLStreamReader;
029:        import javax.xml.transform.dom.DOMSource;
030:        import javax.xml.ws.Binding;
031:        import javax.xml.ws.handler.Handler;
032:        import javax.xml.ws.handler.MessageContext;
033:        import javax.xml.ws.handler.soap.SOAPHandler;
034:        import javax.xml.ws.handler.soap.SOAPMessageContext;
035:
036:        import org.apache.cxf.binding.soap.SoapMessage;
037:        import org.apache.cxf.binding.soap.interceptor.AbstractSoapInterceptor;
038:        import org.apache.cxf.binding.soap.interceptor.MustUnderstandInterceptor;
039:        import org.apache.cxf.binding.soap.interceptor.SoapActionOutInterceptor;
040:        import org.apache.cxf.binding.soap.interceptor.SoapInterceptor;
041:        import org.apache.cxf.binding.soap.saaj.SAAJInInterceptor;
042:        import org.apache.cxf.binding.soap.saaj.SAAJOutInterceptor;
043:        import org.apache.cxf.endpoint.Endpoint;
044:        import org.apache.cxf.helpers.CastUtils;
045:        import org.apache.cxf.interceptor.Fault;
046:        import org.apache.cxf.interceptor.InterceptorChain;
047:        import org.apache.cxf.interceptor.OutgoingChainInterceptor;
048:        import org.apache.cxf.jaxws.handler.AbstractProtocolHandlerInterceptor;
049:        import org.apache.cxf.jaxws.handler.HandlerChainInvoker;
050:        import org.apache.cxf.jaxws.support.ContextPropertiesMapping;
051:        import org.apache.cxf.message.Message;
052:        import org.apache.cxf.phase.Phase;
053:        import org.apache.cxf.phase.PhaseInterceptorChain;
054:        import org.apache.cxf.staxutils.StaxUtils;
055:        import org.apache.cxf.transport.MessageObserver;
056:
057:        public class SOAPHandlerInterceptor extends
058:                AbstractProtocolHandlerInterceptor<SoapMessage> implements 
059:                SoapInterceptor {
060:            private static final SAAJOutInterceptor SAAJ_OUT = new SAAJOutInterceptor();
061:
062:            AbstractSoapInterceptor ending = new AbstractSoapInterceptor(
063:                    SOAPHandlerInterceptor.class.getName() + ".ENDING",
064:                    Phase.USER_PROTOCOL) {
065:
066:                public void handleMessage(SoapMessage message) throws Fault {
067:                    handleMessageInternal(message);
068:                }
069:            };
070:
071:            public SOAPHandlerInterceptor(Binding binding) {
072:                super (binding, Phase.PRE_PROTOCOL);
073:                addAfter(MustUnderstandInterceptor.class.getName());
074:                addAfter(SAAJOutInterceptor.class.getName());
075:            }
076:
077:            public Set<URI> getRoles() {
078:                Set<URI> roles = new HashSet<URI>();
079:                //TODO
080:                return roles;
081:            }
082:
083:            public Set<QName> getUnderstoodHeaders() {
084:                Set<QName> understood = new HashSet<QName>();
085:                for (Handler h : getBinding().getHandlerChain()) {
086:                    if (h instanceof  SOAPHandler) {
087:                        Set<QName> headers = CastUtils.cast(((SOAPHandler) h)
088:                                .getHeaders());
089:                        if (headers != null) {
090:                            understood.addAll(headers);
091:                        }
092:                    }
093:                }
094:                return understood;
095:            }
096:
097:            public void handleMessage(SoapMessage message) {
098:                if (getInvoker(message).getProtocolHandlers().isEmpty()) {
099:                    return;
100:                }
101:
102:                if (getInvoker(message).isOutbound()) {
103:
104:                    SAAJ_OUT.handleMessage(message);
105:
106:                    message.getInterceptorChain().add(ending);
107:                } else {
108:                    handleMessageInternal(message);
109:                    SOAPMessage msg = message.getContent(SOAPMessage.class);
110:                    if (msg != null) {
111:                        XMLStreamReader xmlReader = createXMLStreamReaderFromSOAPMessage(msg);
112:                        message.setContent(XMLStreamReader.class, xmlReader);
113:                        // replace headers
114:                        try {
115:                            SAAJInInterceptor.replaceHeaders(msg, message);
116:                        } catch (SOAPException e) {
117:                            e.printStackTrace();
118:                        }
119:                    }
120:                }
121:            }
122:
123:            private void handleMessageInternal(SoapMessage message) {
124:                MessageContext context = createProtocolMessageContext(message);
125:                HandlerChainInvoker invoker = getInvoker(message);
126:                invoker.setProtocolMessageContext(context);
127:
128:                if (!invoker.invokeProtocolHandlers(isRequestor(message),
129:                        context)) {
130:                    handleAbort(message, context);
131:                }
132:
133:                // If this is the outbound and end of MEP, call MEP completion
134:                if (isRequestor(message)
135:                        && invoker.getLogicalHandlers().isEmpty()
136:                        && !isOutbound(message) && isMEPComlete(message)) {
137:                    onCompletion(message);
138:                } else if (isOutbound(message) && isMEPComlete(message)) {
139:                    onCompletion(message);
140:                }
141:            }
142:
143:            private void handleAbort(SoapMessage message, MessageContext context) {
144:                if (isRequestor(message)) {
145:                    // client side outbound
146:                    if (getInvoker(message).isOutbound()) {
147:                        message.getInterceptorChain().abort();
148:                        Endpoint e = message.getExchange().get(Endpoint.class);
149:                        Message responseMsg = e.getBinding().createMessage();
150:
151:                        MessageObserver observer = (MessageObserver) message
152:                                .getExchange().get(MessageObserver.class);
153:                        if (observer != null) {
154:                            // the request message becomes the response message
155:                            message.getExchange().setInMessage(responseMsg);
156:                            SOAPMessage soapMessage = ((SOAPMessageContext) context)
157:                                    .getMessage();
158:
159:                            if (soapMessage != null) {
160:                                responseMsg.setContent(SOAPMessage.class,
161:                                        soapMessage);
162:                                XMLStreamReader xmlReader = createXMLStreamReaderFromSOAPMessage(soapMessage);
163:                                responseMsg.setContent(XMLStreamReader.class,
164:                                        xmlReader);
165:                            }
166:                            responseMsg
167:                                    .put(
168:                                            PhaseInterceptorChain.STARTING_AT_INTERCEPTOR_ID,
169:                                            SOAPHandlerInterceptor.class
170:                                                    .getName());
171:                            observer.onMessage(responseMsg);
172:                        }
173:
174:                        //We dont call onCompletion here, as onCompletion will be called by inbound
175:                        //LogicalHandlerInterceptor
176:                    } else {
177:                        // client side inbound - Normal handler message processing
178:                        // stops, but the inbound interceptor chain still continues, dispatch the message
179:                        //By onCompletion here, we can skip following Logical handlers
180:                        onCompletion(message);
181:                    }
182:                } else {
183:                    if (!getInvoker(message).isOutbound()) {
184:                        // server side inbound
185:                        message.getInterceptorChain().abort();
186:                        Endpoint e = message.getExchange().get(Endpoint.class);
187:                        Message responseMsg = e.getBinding().createMessage();
188:                        if (!message.getExchange().isOneWay()) {
189:                            message.getExchange().setOutMessage(responseMsg);
190:                            SOAPMessage soapMessage = ((SOAPMessageContext) context)
191:                                    .getMessage();
192:
193:                            responseMsg.setContent(SOAPMessage.class,
194:                                    soapMessage);
195:
196:                            InterceptorChain chain = OutgoingChainInterceptor
197:                                    .getOutInterceptorChain(message
198:                                            .getExchange());
199:                            responseMsg.setInterceptorChain(chain);
200:                            // so the idea of starting interceptor chain from any
201:                            // specified point does not work
202:                            // well for outbound case, as many outbound interceptors
203:                            // have their ending interceptors.
204:                            // For example, we can not skip MessageSenderInterceptor.
205:                            chain.doInterceptStartingAfter(responseMsg,
206:                                    SoapActionOutInterceptor.class.getName());
207:                        }
208:
209:                    } else {
210:                        // server side outbound - Normal handler message processing
211:                        // stops, but still continue the outbound interceptor chain, dispatch the message
212:                    }
213:                }
214:            }
215:
216:            @Override
217:            protected MessageContext createProtocolMessageContext(
218:                    SoapMessage message) {
219:                SOAPMessageContextImpl sm = new SOAPMessageContextImpl(message);
220:                boolean requestor = isRequestor(message);
221:                ContextPropertiesMapping.mapCxf2Jaxws(message.getExchange(),
222:                        sm, requestor);
223:                return sm;
224:            }
225:
226:            private XMLStreamReader createXMLStreamReaderFromSOAPMessage(
227:                    SOAPMessage soapMessage) {
228:                // responseMsg.setContent(SOAPMessage.class, soapMessage);
229:                XMLStreamReader xmlReader = null;
230:                try {
231:                    DOMSource bodySource = new DOMSource(soapMessage
232:                            .getSOAPPart().getEnvelope().getBody());
233:                    xmlReader = StaxUtils.createXMLStreamReader(bodySource);
234:                    xmlReader.nextTag();
235:                    xmlReader.nextTag(); // move past body tag
236:                } catch (SOAPException e) {
237:                    e.printStackTrace();
238:                } catch (XMLStreamException e) {
239:                    e.printStackTrace();
240:                }
241:                return xmlReader;
242:            }
243:
244:            public void handleFault(SoapMessage message) {
245:            }
246:        }
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