Source Code Cross Referenced for FakeHttpServletRequest.java in  » Ajax » dwr » org » directwebremoting » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Ajax » dwr » org.directwebremoting.util 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright 2005 Joe Walker
003:         *
004:         * Licensed under the Apache License, Version 2.0 (the "License");
005:         * you may not use this file except in compliance with the License.
006:         * You may obtain a copy of the License at
007:         *
008:         *     http://www.apache.org/licenses/LICENSE-2.0
009:         *
010:         * Unless required by applicable law or agreed to in writing, software
011:         * distributed under the License is distributed on an "AS IS" BASIS,
012:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013:         * See the License for the specific language governing permissions and
014:         * limitations under the License.
015:         */
016:        package org.directwebremoting.util;
017:
018:        import java.io.BufferedReader;
019:        import java.io.IOException;
020:        import java.io.StringReader;
021:        import java.io.UnsupportedEncodingException;
022:        import java.security.Principal;
023:        import java.util.Arrays;
024:        import java.util.Collections;
025:        import java.util.Enumeration;
026:        import java.util.HashMap;
027:        import java.util.Locale;
028:        import java.util.Map;
029:
030:        import javax.servlet.RequestDispatcher;
031:        import javax.servlet.ServletException;
032:        import javax.servlet.ServletInputStream;
033:        import javax.servlet.ServletRequest;
034:        import javax.servlet.ServletResponse;
035:        import javax.servlet.http.Cookie;
036:        import javax.servlet.http.HttpServletRequest;
037:        import javax.servlet.http.HttpSession;
038:
039:        import org.apache.commons.logging.Log;
040:        import org.apache.commons.logging.LogFactory;
041:
042:        /**
043:         * For the benefit of anyone that wants to create a fake HttpServletRequest
044:         * that doesn't do anything other than not be null.
045:         * @author Joe Walker [joe at getahead dot ltd dot uk]
046:         */
047:        public class FakeHttpServletRequest implements  HttpServletRequest {
048:            /* (non-Javadoc)
049:             * @see javax.servlet.http.HttpServletRequest#getAuthType()
050:             */
051:            public String getAuthType() {
052:                return null;
053:            }
054:
055:            /* (non-Javadoc)
056:             * @see javax.servlet.http.HttpServletRequest#getCookies()
057:             */
058:            public Cookie[] getCookies() {
059:                return null;
060:            }
061:
062:            /* (non-Javadoc)
063:             * @see javax.servlet.http.HttpServletRequest#getDateHeader(java.lang.String)
064:             */
065:            public long getDateHeader(String name) {
066:                return -1;
067:            }
068:
069:            /* (non-Javadoc)
070:             * @see javax.servlet.http.HttpServletRequest#getHeader(java.lang.String)
071:             */
072:            public String getHeader(String name) {
073:                return null;
074:            }
075:
076:            /* (non-Javadoc)
077:             * @see javax.servlet.http.HttpServletRequest#getHeaders(java.lang.String)
078:             */
079:            public Enumeration<String[]> getHeaders(String name) {
080:                return Collections.enumeration(Collections
081:                        .<String[]> emptySet());
082:            }
083:
084:            /* (non-Javadoc)
085:             * @see javax.servlet.http.HttpServletRequest#getHeaderNames()
086:             */
087:            public Enumeration<String> getHeaderNames() {
088:                return Collections.enumeration(Collections.<String> emptySet());
089:            }
090:
091:            /* (non-Javadoc)
092:             * @see javax.servlet.http.HttpServletRequest#getIntHeader(java.lang.String)
093:             */
094:            public int getIntHeader(String name) {
095:                return -1;
096:            }
097:
098:            /* (non-Javadoc)
099:             * @see javax.servlet.http.HttpServletRequest#getMethod()
100:             */
101:            public String getMethod() {
102:                log
103:                        .warn("Inventing data in FakeHttpServletRequest.getMethod() to remain plausible.");
104:                return "GET";
105:            }
106:
107:            /* (non-Javadoc)
108:             * @see javax.servlet.http.HttpServletRequest#getPathInfo()
109:             */
110:            public String getPathInfo() {
111:                return null;
112:            }
113:
114:            /* (non-Javadoc)
115:             * @see javax.servlet.http.HttpServletRequest#getPathTranslated()
116:             */
117:            public String getPathTranslated() {
118:                return null;
119:            }
120:
121:            /* (non-Javadoc)
122:             * @see javax.servlet.http.HttpServletRequest#getContextPath()
123:             */
124:            public String getContextPath() {
125:                log
126:                        .warn("Inventing data in FakeHttpServletRequest.getContextPath() to remain plausible.");
127:                return "";
128:            }
129:
130:            /* (non-Javadoc)
131:             * @see javax.servlet.http.HttpServletRequest#getQueryString()
132:             */
133:            public String getQueryString() {
134:                return null;
135:            }
136:
137:            /* (non-Javadoc)
138:             * @see javax.servlet.http.HttpServletRequest#getRemoteUser()
139:             */
140:            public String getRemoteUser() {
141:                return null;
142:            }
143:
144:            /* (non-Javadoc)
145:             * @see javax.servlet.http.HttpServletRequest#isUserInRole(java.lang.String)
146:             */
147:            public boolean isUserInRole(String role) {
148:                return false;
149:            }
150:
151:            /* (non-Javadoc)
152:             * @see javax.servlet.http.HttpServletRequest#getUserPrincipal()
153:             */
154:            public Principal getUserPrincipal() {
155:                return null;
156:            }
157:
158:            /* (non-Javadoc)
159:             * @see javax.servlet.http.HttpServletRequest#getRequestedSessionId()
160:             */
161:            public String getRequestedSessionId() {
162:                return null;
163:            }
164:
165:            /* (non-Javadoc)
166:             * @see javax.servlet.http.HttpServletRequest#getRequestURI()
167:             */
168:            public String getRequestURI() {
169:                log
170:                        .warn("Inventing data in FakeHttpServletRequest.getRequestURI() to remain plausible.");
171:                return "/";
172:            }
173:
174:            /* (non-Javadoc)
175:             * @see javax.servlet.http.HttpServletRequest#getRequestURL()
176:             */
177:            public StringBuffer getRequestURL() {
178:                log
179:                        .warn("Inventing data in FakeHttpServletRequest.getRequestURL() to remain plausible.");
180:                return new StringBuffer("http://localhost/");
181:            }
182:
183:            /* (non-Javadoc)
184:             * @see javax.servlet.http.HttpServletRequest#getServletPath()
185:             */
186:            public String getServletPath() {
187:                log
188:                        .warn("Inventing data in FakeHttpServletRequest.getServletPath() to remain plausible.");
189:                return "";
190:            }
191:
192:            /* (non-Javadoc)
193:             * @see javax.servlet.http.HttpServletRequest#getSession(boolean)
194:             */
195:            public HttpSession getSession(boolean create) {
196:                if (!create) {
197:                    return null;
198:                }
199:
200:                return new FakeHttpSession();
201:            }
202:
203:            /* (non-Javadoc)
204:             * @see javax.servlet.http.HttpServletRequest#getSession()
205:             */
206:            public HttpSession getSession() {
207:                return null;
208:            }
209:
210:            /* (non-Javadoc)
211:             * @see javax.servlet.http.HttpServletRequest#isRequestedSessionIdValid()
212:             */
213:            public boolean isRequestedSessionIdValid() {
214:                return false;
215:            }
216:
217:            /* (non-Javadoc)
218:             * @see javax.servlet.http.HttpServletRequest#isRequestedSessionIdFromCookie()
219:             */
220:            public boolean isRequestedSessionIdFromCookie() {
221:                return false;
222:            }
223:
224:            /* (non-Javadoc)
225:             * @see javax.servlet.http.HttpServletRequest#isRequestedSessionIdFromURL()
226:             */
227:            public boolean isRequestedSessionIdFromURL() {
228:                return false;
229:            }
230:
231:            /**
232:             * @see javax.servlet.http.HttpServletRequest#isRequestedSessionIdFromUrl()
233:             * @deprecated
234:             */
235:            @Deprecated
236:            public boolean isRequestedSessionIdFromUrl() {
237:                return false;
238:            }
239:
240:            /* (non-Javadoc)
241:             * @see javax.servlet.ServletRequest#getAttribute(java.lang.String)
242:             */
243:            public Object getAttribute(String name) {
244:                return attributes.get(name);
245:            }
246:
247:            /* (non-Javadoc)
248:             * @see javax.servlet.ServletRequest#getAttributeNames()
249:             */
250:            public Enumeration<String> getAttributeNames() {
251:                return Collections.enumeration(attributes.keySet());
252:            }
253:
254:            /* (non-Javadoc)
255:             * @see javax.servlet.ServletRequest#getCharacterEncoding()
256:             */
257:            public String getCharacterEncoding() {
258:                return characterEncoding;
259:            }
260:
261:            /* (non-Javadoc)
262:             * @see javax.servlet.ServletRequest#setCharacterEncoding(java.lang.String)
263:             */
264:            public void setCharacterEncoding(String characterEncoding)
265:                    throws UnsupportedEncodingException {
266:                this .characterEncoding = characterEncoding;
267:            }
268:
269:            /* (non-Javadoc)
270:             * @see javax.servlet.ServletRequest#getContentLength()
271:             */
272:            public int getContentLength() {
273:                return 0;
274:            }
275:
276:            /* (non-Javadoc)
277:             * @see javax.servlet.ServletRequest#getContentType()
278:             */
279:            public String getContentType() {
280:                log
281:                        .warn("Inventing data in FakeHttpServletRequest.getContentType() to remain plausible.");
282:                return "text/plain";
283:            }
284:
285:            /* (non-Javadoc)
286:             * @see javax.servlet.ServletRequest#getInputStream()
287:             */
288:            public ServletInputStream getInputStream() throws IOException {
289:                return new ServletInputStream() {
290:                    /* (non-Javadoc)
291:                     * @see java.io.InputStream#read()
292:                     */
293:                    @Override
294:                    public int read() throws IOException {
295:                        return -1;
296:                    }
297:                };
298:            }
299:
300:            /**
301:             * @return "127.0.0.1"
302:             */
303:            public String getLocalAddr() {
304:                log
305:                        .warn("Inventing data in FakeHttpServletRequest.getLocalAddr() to remain plausible.");
306:                return "127.0.0.1";
307:            }
308:
309:            /**
310:             * @return "localhost"
311:             */
312:            public String getLocalName() {
313:                log
314:                        .warn("Inventing data in FakeHttpServletRequest.getLocalName() to remain plausible.");
315:                return "localhost";
316:            }
317:
318:            /**
319:             * @return 80
320:             */
321:            public int getLocalPort() {
322:                log
323:                        .warn("Inventing data in FakeHttpServletRequest.getLocalPort() to remain plausible.");
324:                return 80;
325:            }
326:
327:            /* (non-Javadoc)
328:             * @see javax.servlet.ServletRequest#getParameter(java.lang.String)
329:             */
330:            public String getParameter(String name) {
331:                return null;
332:            }
333:
334:            /* (non-Javadoc)
335:             * @see javax.servlet.ServletRequest#getParameterNames()
336:             */
337:            public Enumeration<String> getParameterNames() {
338:                return Collections.enumeration(Collections.<String> emptySet());
339:            }
340:
341:            /* (non-Javadoc)
342:             * @see javax.servlet.ServletRequest#getParameterValues(java.lang.String)
343:             */
344:            public String[] getParameterValues(String name) {
345:                return null;
346:            }
347:
348:            /* (non-Javadoc)
349:             * @see javax.servlet.ServletRequest#getParameterMap()
350:             */
351:            public Map<String, String> getParameterMap() {
352:                return Collections.emptyMap();
353:            }
354:
355:            /* (non-Javadoc)
356:             * @see javax.servlet.ServletRequest#getProtocol()
357:             */
358:            public String getProtocol() {
359:                log
360:                        .warn("Inventing data in FakeHttpServletRequest.getProtocol() to remain plausible.");
361:                return "HTTP/1.1";
362:            }
363:
364:            /* (non-Javadoc)
365:             * @see javax.servlet.ServletRequest#getScheme()
366:             */
367:            public String getScheme() {
368:                log
369:                        .warn("Inventing data in FakeHttpServletRequest.getScheme() to remain plausible.");
370:                return "http";
371:            }
372:
373:            /* (non-Javadoc)
374:             * @see javax.servlet.ServletRequest#getServerName()
375:             */
376:            public String getServerName() {
377:                log
378:                        .warn("Inventing data in FakeHttpServletRequest.getServerName() to remain plausible.");
379:                return "localhost";
380:            }
381:
382:            /* (non-Javadoc)
383:             * @see javax.servlet.ServletRequest#getServerPort()
384:             */
385:            public int getServerPort() {
386:                log
387:                        .warn("Inventing data in FakeHttpServletRequest.getServerPort() to remain plausible.");
388:                return 80;
389:            }
390:
391:            /* (non-Javadoc)
392:             * @see javax.servlet.ServletRequest#getReader()
393:             */
394:            public BufferedReader getReader() throws IOException {
395:                return new BufferedReader(new StringReader(""));
396:            }
397:
398:            /* (non-Javadoc)
399:             * @see javax.servlet.ServletRequest#getRemoteAddr()
400:             */
401:            public String getRemoteAddr() {
402:                log
403:                        .warn("Inventing data in FakeHttpServletRequest.getRemoteAddr() to remain plausible.");
404:                return "localhost";
405:            }
406:
407:            /* (non-Javadoc)
408:             * @see javax.servlet.ServletRequest#getRemoteHost()
409:             */
410:            public String getRemoteHost() {
411:                log
412:                        .warn("Inventing data in FakeHttpServletRequest.getRemoteHost() to remain plausible.");
413:                return "localhost";
414:            }
415:
416:            /**
417:             * @return 80
418:             */
419:            public int getRemotePort() {
420:                log
421:                        .warn("Inventing data in FakeHttpServletRequest.getRemotePort() to remain plausible.");
422:                return 80;
423:            }
424:
425:            /* (non-Javadoc)
426:             * @see javax.servlet.ServletRequest#setAttribute(java.lang.String, java.lang.Object)
427:             */
428:            public void setAttribute(String name, Object o) {
429:                attributes.put(name, o);
430:            }
431:
432:            /* (non-Javadoc)
433:             * @see javax.servlet.ServletRequest#removeAttribute(java.lang.String)
434:             */
435:            public void removeAttribute(String name) {
436:                attributes.remove(name);
437:            }
438:
439:            /* (non-Javadoc)
440:             * @see javax.servlet.ServletRequest#getLocale()
441:             */
442:            public Locale getLocale() {
443:                return Locale.getDefault();
444:            }
445:
446:            /* (non-Javadoc)
447:             * @see javax.servlet.ServletRequest#getLocales()
448:             */
449:            public Enumeration<Locale> getLocales() {
450:                return Collections.enumeration(Arrays.asList(Locale
451:                        .getDefault()));
452:            }
453:
454:            /* (non-Javadoc)
455:             * @see javax.servlet.ServletRequest#isSecure()
456:             */
457:            public boolean isSecure() {
458:                return false;
459:            }
460:
461:            /* (non-Javadoc)
462:             * @see javax.servlet.ServletRequest#getRequestDispatcher(java.lang.String)
463:             */
464:            public RequestDispatcher getRequestDispatcher(String path) {
465:                return new RequestDispatcher() {
466:                    /* (non-Javadoc)
467:                     * @see javax.servlet.RequestDispatcher#include(javax.servlet.ServletRequest, javax.servlet.ServletResponse)
468:                     */
469:                    public void include(ServletRequest request,
470:                            ServletResponse response) throws ServletException,
471:                            IOException {
472:                    }
473:
474:                    /* (non-Javadoc)
475:                     * @see javax.servlet.RequestDispatcher#forward(javax.servlet.ServletRequest, javax.servlet.ServletResponse)
476:                     */
477:                    public void forward(ServletRequest request,
478:                            ServletResponse response) throws ServletException,
479:                            IOException {
480:                    }
481:                };
482:            }
483:
484:            /**
485:             * @see javax.servlet.ServletRequest#getRealPath(java.lang.String)
486:             * @deprecated
487:             */
488:            @Deprecated
489:            public String getRealPath(String path) {
490:                return null;
491:            }
492:
493:            /**
494:             * The character encoding in the supposed request
495:             */
496:            private String characterEncoding = null;
497:
498:            /**
499:             * The list of attributes
500:             */
501:            private Map<String, Object> attributes = new HashMap<String, Object>();
502:
503:            /**
504:             * The log stream
505:             */
506:            private static final Log log = LogFactory
507:                    .getLog(FakeHttpServletRequest.class);
508:        }
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