Source Code Cross Referenced for GeronimoDestination.java in  » EJB-Server-geronimo » plugins » org » apache » geronimo » cxf » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » EJB Server geronimo » plugins » org.apache.geronimo.cxf 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         *  Licensed to the Apache Software Foundation (ASF) under one or more
003:         *  contributor license agreements.  See the NOTICE file distributed with
004:         *  this work for additional information regarding copyright ownership.
005:         *  The ASF licenses this file to You under the Apache License, Version 2.0
006:         *  (the "License"); you may not use this file except in compliance with
007:         *  the License.  You may obtain a copy of the License at
008:         *
009:         *     http://www.apache.org/licenses/LICENSE-2.0
010:         *
011:         *  Unless required by applicable law or agreed to in writing, software
012:         *  distributed under the License is distributed on an "AS IS" BASIS,
013:         *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014:         *  See the License for the specific language governing permissions and
015:         *  limitations under the License.
016:         */package org.apache.geronimo.cxf;
017:
018:        import java.io.IOException;
019:        import java.io.OutputStream;
020:        import java.io.Serializable;
021:        import java.io.InputStream;
022:        import java.net.HttpURLConnection;
023:        import java.security.Principal;
024:        import java.util.Iterator;
025:        import java.util.ArrayList;
026:        import java.util.List;
027:        import java.util.Map;
028:        import java.util.Enumeration;
029:        import java.util.logging.Logger;
030:        import javax.servlet.ServletContext;
031:        import javax.servlet.http.HttpServletRequest;
032:        import javax.servlet.http.HttpServletResponse;
033:        import javax.xml.ws.handler.MessageContext;
034:
035:        import org.apache.cxf.Bus;
036:        import org.apache.cxf.message.Message;
037:        import org.apache.cxf.message.MessageImpl;
038:        import org.apache.cxf.security.SecurityContext;
039:        import org.apache.cxf.service.model.EndpointInfo;
040:        import org.apache.cxf.transport.Conduit;
041:        import org.apache.cxf.transport.ConduitInitiator;
042:        import org.apache.cxf.transport.Destination;
043:        import org.apache.cxf.transport.MessageObserver;
044:        import org.apache.cxf.transport.http.AbstractHTTPDestination;
045:        import org.apache.cxf.ws.addressing.EndpointReferenceType;
046:        import org.apache.geronimo.webservices.WebServiceContainer;
047:        import org.apache.geronimo.webservices.WebServiceContainer.Request;
048:        import org.apache.geronimo.webservices.WebServiceContainer.Response;
049:
050:        public class GeronimoDestination extends AbstractHTTPDestination
051:                implements  Serializable {
052:
053:            private MessageObserver messageObserver;
054:            private boolean passSecurityContext = false;
055:
056:            public GeronimoDestination(Bus bus,
057:                    ConduitInitiator conduitInitiator, EndpointInfo endpointInfo)
058:                    throws IOException {
059:                super (bus, conduitInitiator, endpointInfo, true);
060:            }
061:
062:            public void setPassSecurityContext(boolean passSecurityContext) {
063:                this .passSecurityContext = passSecurityContext;
064:            }
065:
066:            public boolean getPassSecurityContext() {
067:                return this .passSecurityContext;
068:            }
069:
070:            public EndpointInfo getEndpointInfo() {
071:                return this .endpointInfo;
072:            }
073:
074:            public void invoke(Request request, Response response)
075:                    throws Exception {
076:                MessageImpl message = new MessageImpl();
077:                message.setContent(InputStream.class, request.getInputStream());
078:                message.setDestination(this );
079:
080:                message.put(Request.class, request);
081:                message.put(Response.class, response);
082:
083:                final HttpServletRequest servletRequest = (HttpServletRequest) request
084:                        .getAttribute(WebServiceContainer.SERVLET_REQUEST);
085:                message.put(MessageContext.SERVLET_REQUEST, servletRequest);
086:
087:                HttpServletResponse servletResponse = (HttpServletResponse) request
088:                        .getAttribute(WebServiceContainer.SERVLET_RESPONSE);
089:                message.put(MessageContext.SERVLET_RESPONSE, servletResponse);
090:
091:                ServletContext servletContext = (ServletContext) request
092:                        .getAttribute(WebServiceContainer.SERVLET_CONTEXT);
093:                message.put(MessageContext.SERVLET_CONTEXT, servletContext);
094:
095:                if (this .passSecurityContext) {
096:                    message.put(SecurityContext.class, new SecurityContext() {
097:                        public Principal getUserPrincipal() {
098:                            return servletRequest.getUserPrincipal();
099:                        }
100:
101:                        public boolean isUserInRole(String role) {
102:                            return servletRequest.isUserInRole(role);
103:                        }
104:                    });
105:                }
106:
107:                // this calls copyRequestHeaders()
108:                setHeaders(message);
109:
110:                message.put(Message.HTTP_REQUEST_METHOD, servletRequest
111:                        .getMethod());
112:                message.put(Message.PATH_INFO, servletRequest.getPathInfo());
113:                message.put(Message.QUERY_STRING, servletRequest
114:                        .getQueryString());
115:                message.put(Message.CONTENT_TYPE, servletRequest
116:                        .getContentType());
117:                message.put(Message.ENCODING,
118:                        getCharacterEncoding(servletRequest
119:                                .getCharacterEncoding()));
120:
121:                messageObserver.onMessage(message);
122:            }
123:
124:            private static String getCharacterEncoding(String encoding) {
125:                if (encoding != null) {
126:                    encoding = encoding.trim();
127:                    // work around a bug with Jetty which results in the character
128:                    // encoding not being trimmed correctly:
129:                    // http://jira.codehaus.org/browse/JETTY-302
130:                    if (encoding.endsWith("\"")) {
131:                        encoding = encoding.substring(0, encoding.length() - 1);
132:                    }
133:                }
134:                return encoding;
135:            }
136:
137:            protected void copyRequestHeaders(Message message,
138:                    Map<String, List<String>> headers) {
139:                HttpServletRequest servletRequest = (HttpServletRequest) message
140:                        .get(MessageContext.SERVLET_REQUEST);
141:                if (servletRequest != null) {
142:                    Enumeration names = servletRequest.getHeaderNames();
143:                    while (names.hasMoreElements()) {
144:                        String name = (String) names.nextElement();
145:
146:                        List<String> headerValues = headers.get(name);
147:                        if (headerValues == null) {
148:                            headerValues = new ArrayList<String>();
149:                            headers.put(name, headerValues);
150:                        }
151:
152:                        Enumeration values = servletRequest.getHeaders(name);
153:                        while (values.hasMoreElements()) {
154:                            String value = (String) values.nextElement();
155:                            headerValues.add(value);
156:                        }
157:                    }
158:                }
159:            }
160:
161:            public Logger getLogger() {
162:                return Logger.getLogger(GeronimoDestination.class.getName());
163:            }
164:
165:            public Conduit getInbuiltBackChannel(Message inMessage) {
166:                return new BackChannelConduit(null, inMessage);
167:            }
168:
169:            public Conduit getBackChannel(Message inMessage,
170:                    Message partialResponse, EndpointReferenceType address)
171:                    throws IOException {
172:                Conduit backChannel = null;
173:                if (address == null) {
174:                    backChannel = new BackChannelConduit(address, inMessage);
175:                } else {
176:                    if (partialResponse != null) {
177:                        // setup the outbound message to for 202 Accepted
178:                        partialResponse.put(Message.RESPONSE_CODE,
179:                                HttpURLConnection.HTTP_ACCEPTED);
180:                        backChannel = new BackChannelConduit(address, inMessage);
181:                    } else {
182:                        backChannel = conduitInitiator.getConduit(endpointInfo,
183:                                address);
184:                        // ensure decoupled back channel input stream is closed
185:                        backChannel.setMessageObserver(new MessageObserver() {
186:                            public void onMessage(Message m) {
187:                                if (m.getContentFormats().contains(
188:                                        InputStream.class)) {
189:                                    InputStream is = m
190:                                            .getContent(InputStream.class);
191:                                    try {
192:                                        is.close();
193:                                    } catch (Exception e) {
194:                                        // ignore
195:                                    }
196:                                }
197:                            }
198:                        });
199:                    }
200:                }
201:                return backChannel;
202:            }
203:
204:            public void shutdown() {
205:            }
206:
207:            public void setMessageObserver(MessageObserver messageObserver) {
208:                this .messageObserver = messageObserver;
209:            }
210:
211:            protected class BackChannelConduit implements  Conduit {
212:
213:                protected Message request;
214:                protected EndpointReferenceType target;
215:
216:                BackChannelConduit(EndpointReferenceType target, Message request) {
217:                    this .target = target;
218:                    this .request = request;
219:                }
220:
221:                public void close(Message msg) throws IOException {
222:                    msg.getContent(OutputStream.class).close();
223:                }
224:
225:                /**
226:                 * Register a message observer for incoming messages.
227:                 *
228:                 * @param observer the observer to notify on receipt of incoming
229:                 */
230:                public void setMessageObserver(MessageObserver observer) {
231:                    // shouldn't be called for a back channel conduit
232:                }
233:
234:                public void prepare(Message message) throws IOException {
235:                    send(message);
236:                }
237:
238:                /**
239:                 * Send an outbound message, assumed to contain all the name-value
240:                 * mappings of the corresponding input message (if any).
241:                 *
242:                 * @param message the message to be sent.
243:                 */
244:                public void send(Message message) throws IOException {
245:                    Response response = (Response) request.get(Response.class);
246:
247:                    // handle response headers
248:                    updateResponseHeaders(message);
249:
250:                    Map<String, List<String>> protocolHeaders = (Map<String, List<String>>) message
251:                            .get(Message.PROTOCOL_HEADERS);
252:
253:                    // set headers of the HTTP response object
254:                    Iterator headers = protocolHeaders.entrySet().iterator();
255:                    while (headers.hasNext()) {
256:                        Map.Entry entry = (Map.Entry) headers.next();
257:                        String headerName = (String) entry.getKey();
258:                        String headerValue = getHeaderValue((List) entry
259:                                .getValue());
260:                        response.setHeader(headerName, headerValue);
261:                    }
262:
263:                    message.setContent(OutputStream.class,
264:                            new WrappedOutputStream(message, response));
265:                }
266:
267:                /**
268:                 * @return the reference associated with the target Destination
269:                 */
270:                public EndpointReferenceType getTarget() {
271:                    return target;
272:                }
273:
274:                /**
275:                 * Retreive the back-channel Destination.
276:                 *
277:                 * @return the backchannel Destination (or null if the backchannel is
278:                 *         built-in)
279:                 */
280:                public Destination getBackChannel() {
281:                    return null;
282:                }
283:
284:                /**
285:                 * Close the conduit
286:                 */
287:                public void close() {
288:                }
289:            }
290:
291:            private String getHeaderValue(List<String> values) {
292:                Iterator iter = values.iterator();
293:                StringBuffer buf = new StringBuffer();
294:                while (iter.hasNext()) {
295:                    buf.append(iter.next());
296:                    if (iter.hasNext()) {
297:                        buf.append(", ");
298:                    }
299:                }
300:                return buf.toString();
301:            }
302:
303:            protected void setContentType(Message message, Response response) {
304:                Map<String, List<String>> protocolHeaders = (Map<String, List<String>>) message
305:                        .get(Message.PROTOCOL_HEADERS);
306:
307:                if (protocolHeaders == null
308:                        || !protocolHeaders.containsKey(Message.CONTENT_TYPE)) {
309:                    String ct = (String) message.get(Message.CONTENT_TYPE);
310:                    String enc = (String) message.get(Message.ENCODING);
311:
312:                    if (null != ct) {
313:                        if (enc != null && ct.indexOf("charset=") == -1) {
314:                            ct = ct + "; charset=" + enc;
315:                        }
316:                        response.setContentType(ct);
317:                    } else if (enc != null) {
318:                        response.setContentType("text/xml; charset=" + enc);
319:                    }
320:                }
321:            }
322:
323:            private class WrappedOutputStream extends OutputStream {
324:
325:                private Message message;
326:                private Response response;
327:                private OutputStream rawOutputStream;
328:
329:                WrappedOutputStream(Message message, Response response) {
330:                    this .message = message;
331:                    this .response = response;
332:                }
333:
334:                public void write(int b) throws IOException {
335:                    flushHeaders();
336:                    this .rawOutputStream.write(b);
337:                }
338:
339:                public void write(byte b[]) throws IOException {
340:                    flushHeaders();
341:                    this .rawOutputStream.write(b);
342:                }
343:
344:                public void write(byte b[], int off, int len)
345:                        throws IOException {
346:                    flushHeaders();
347:                    this .rawOutputStream.write(b, off, len);
348:                }
349:
350:                public void flush() throws IOException {
351:                    flushHeaders();
352:                    this .rawOutputStream.flush();
353:                }
354:
355:                public void close() throws IOException {
356:                    flushHeaders();
357:                    this .rawOutputStream.close();
358:                }
359:
360:                protected void flushHeaders() throws IOException {
361:                    if (this .rawOutputStream != null) {
362:                        return;
363:                    }
364:
365:                    // set response code
366:                    Integer i = (Integer) this .message
367:                            .get(Message.RESPONSE_CODE);
368:                    if (i != null) {
369:                        this .response.setStatusCode(i.intValue());
370:                    }
371:
372:                    // set content-type
373:                    setContentType(this.message, this.response);
374:
375:                    this.rawOutputStream = this.response.getOutputStream();
376:                }
377:
378:            }
379:
380:        }
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