Source Code Cross Referenced for ResponseWrapper.java in  » Web-Server » Rimfaxe-Web-Server » org » apache » catalina » connector » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Web Server » Rimfaxe Web Server » org.apache.catalina.connector 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * $Header: /home/cvs/jakarta-tomcat-4.0/catalina/src/share/org/apache/catalina/connector/ResponseWrapper.java,v 1.3 2002/03/18 07:15:39 remm Exp $
003:         * $Revision: 1.3 $
004:         * $Date: 2002/03/18 07:15:39 $
005:         *
006:         * ====================================================================
007:         *
008:         * The Apache Software License, Version 1.1
009:         *
010:         * Copyright (c) 1999 The Apache Software Foundation.  All rights
011:         * reserved.
012:         *
013:         * Redistribution and use in source and binary forms, with or without
014:         * modification, are permitted provided that the following conditions
015:         * are met:
016:         *
017:         * 1. Redistributions of source code must retain the above copyright
018:         *    notice, this list of conditions and the following disclaimer.
019:         *
020:         * 2. Redistributions in binary form must reproduce the above copyright
021:         *    notice, this list of conditions and the following disclaimer in
022:         *    the documentation and/or other materials provided with the
023:         *    distribution.
024:         *
025:         * 3. The end-user documentation included with the redistribution, if
026:         *    any, must include the following acknowlegement:
027:         *       "This product includes software developed by the
028:         *        Apache Software Foundation (http://www.apache.org/)."
029:         *    Alternately, this acknowlegement may appear in the software itself,
030:         *    if and wherever such third-party acknowlegements normally appear.
031:         *
032:         * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
033:         *    Foundation" must not be used to endorse or promote products derived
034:         *    from this software without prior written permission. For written
035:         *    permission, please contact apache@apache.org.
036:         *
037:         * 5. Products derived from this software may not be called "Apache"
038:         *    nor may "Apache" appear in their names without prior written
039:         *    permission of the Apache Group.
040:         *
041:         * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
042:         * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
043:         * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
044:         * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
045:         * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
046:         * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
047:         * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
048:         * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
049:         * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
050:         * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
051:         * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
052:         * SUCH DAMAGE.
053:         * ====================================================================
054:         *
055:         * This software consists of voluntary contributions made by many
056:         * individuals on behalf of the Apache Software Foundation.  For more
057:         * information on the Apache Software Foundation, please see
058:         * <http://www.apache.org/>.
059:         *
060:         * [Additional notices, if required by prior licensing conditions]
061:         *
062:         */
063:
064:        package org.apache.catalina.connector;
065:
066:        import java.io.IOException;
067:        import java.io.OutputStream;
068:        import java.io.PrintWriter;
069:        import javax.servlet.ServletException;
070:        import javax.servlet.ServletOutputStream;
071:        import javax.servlet.ServletResponse;
072:        import org.apache.catalina.Connector;
073:        import org.apache.catalina.Context;
074:        import org.apache.catalina.Request;
075:        import org.apache.catalina.Response;
076:        import org.apache.catalina.Wrapper;
077:
078:        /**
079:         * Abstract convenience class that wraps a Catalina-internal <b>Response</b>
080:         * object.  By default, all methods are delegated to the wrapped response,
081:         * but subclasses can override individual methods as required to provide the
082:         * functionality that they require.
083:         *
084:         * @author Craig R. McClanahan
085:         * @version $Revision: 1.3 $ $Date: 2002/03/18 07:15:39 $
086:         * @deprecated
087:         */
088:
089:        public abstract class ResponseWrapper implements  Response {
090:
091:            // ----------------------------------------------------------- Constructors
092:
093:            /**
094:             * Construct a wrapper for the specified response.
095:             *
096:             * @param response The response to be wrapped
097:             */
098:            public ResponseWrapper(Response response) {
099:
100:                super ();
101:                this .response = response;
102:
103:            }
104:
105:            // ----------------------------------------------------- Instance Variables
106:
107:            /**
108:             * The wrapped response.
109:             */
110:            protected Response response = null;
111:
112:            /**
113:             * Return the wrapped response.
114:             */
115:            public Response getWrappedResponse() {
116:
117:                return (this .response);
118:
119:            }
120:
121:            // ------------------------------------------------------------- Properties
122:
123:            /**
124:             * Return the Connector through which this Response is returned.
125:             */
126:            public Connector getConnector() {
127:
128:                return (response.getConnector());
129:
130:            }
131:
132:            /**
133:             * Set the Connector through which this Response is returned.
134:             *
135:             * @param connector The new connector
136:             */
137:            public void setConnector(Connector connector) {
138:
139:                response.setConnector(connector);
140:
141:            }
142:
143:            /**
144:             * Return the number of bytes actually written to the output stream.
145:             */
146:            public int getContentCount() {
147:
148:                return (response.getContentCount());
149:
150:            }
151:
152:            /**
153:             * Return the Context with which this Response is associated.
154:             */
155:            public Context getContext() {
156:
157:                return (response.getContext());
158:
159:            }
160:
161:            /**
162:             * Set the Context with which this Response is associated.  This should
163:             * be called as soon as the appropriate Context is identified.
164:             *
165:             * @param context The associated Context
166:             */
167:            public void setContext(Context context) {
168:
169:                response.setContext(context);
170:
171:            }
172:
173:            /**
174:             * Return the "processing inside an include" flag.
175:             */
176:            public boolean getIncluded() {
177:
178:                return (response.getIncluded());
179:
180:            }
181:
182:            /**
183:             * Set the "processing inside an include" flag.
184:             *
185:             * @param included <code>true</code> if we are currently inside a
186:             *  RequestDispatcher.include(), else <code>false</code>
187:             */
188:            public void setIncluded(boolean included) {
189:
190:                response.setIncluded(included);
191:
192:            }
193:
194:            /**
195:             * Return descriptive information about this Response implementation and
196:             * the corresponding version number, in the format
197:             * <code>&lt;description&gt;/&lt;version&gt;</code>.
198:             */
199:            public String getInfo() {
200:
201:                return (response.getInfo());
202:
203:            }
204:
205:            /**
206:             * Return the Request with which this Response is associated.
207:             */
208:            public Request getRequest() {
209:
210:                return (response.getRequest());
211:
212:            }
213:
214:            /**
215:             * Set the Request with which this Response is associated.
216:             *
217:             * @param request The new associated request
218:             */
219:            public void setRequest(Request request) {
220:
221:                response.setRequest(request);
222:
223:            }
224:
225:            /**
226:             * Return the <code>ServletResponse</code> for which this object
227:             * is the facade.
228:             */
229:            public ServletResponse getResponse() {
230:
231:                return (response.getResponse());
232:
233:            }
234:
235:            /**
236:             * Return the output stream associated with this Response.
237:             */
238:            public OutputStream getStream() {
239:
240:                return (response.getStream());
241:
242:            }
243:
244:            /**
245:             * Set the output stream associated with this Response.
246:             *
247:             * @param stream The new output stream
248:             */
249:            public void setStream(OutputStream stream) {
250:
251:                response.setStream(stream);
252:
253:            }
254:
255:            // --------------------------------------------------------- Public Methods
256:
257:            /**
258:             * Create and return a ServletOutputStream to write the content
259:             * associated with this Response.
260:             *
261:             * @exception IOException if an input/output error occurs
262:             */
263:            public ServletOutputStream createOutputStream() throws IOException {
264:
265:                return (response.createOutputStream());
266:
267:            }
268:
269:            /**
270:             * Perform whatever actions are required to flush and close the output
271:             * stream or writer, in a single operation.
272:             *
273:             * @exception IOException if an input/output error occurs
274:             */
275:            public void finishResponse() throws IOException {
276:
277:                response.finishResponse();
278:
279:            }
280:
281:            /**
282:             * Return the content length that was set or calculated for this Response.
283:             */
284:            public int getContentLength() {
285:
286:                return (response.getContentLength());
287:
288:            }
289:
290:            /**
291:             * Return the content type that was set or calculated for this response,
292:             * or <code>null</code> if no content type was set.
293:             */
294:            public String getContentType() {
295:
296:                return (response.getContentType());
297:
298:            }
299:
300:            /**
301:             * Return a PrintWriter that can be used to render error messages,
302:             * regardless of whether a stream or writer has already been acquired.
303:             */
304:            public PrintWriter getReporter() {
305:
306:                return (response.getReporter());
307:
308:            }
309:
310:            /**
311:             * Release all object references, and initialize instance variables, in
312:             * preparation for reuse of this object.
313:             */
314:            public void recycle() {
315:
316:                response.recycle();
317:
318:            }
319:
320:            /**
321:             * Reset the data buffer but not any status or header information.
322:             */
323:            public void resetBuffer() {
324:
325:                response.resetBuffer();
326:
327:            }
328:
329:        }
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