| 1 | | /* | | 1 | | /* | | 1 | | /* |
| 2 | | * $Header: /home/cvs/jakarta-tomcat-4.0/catalina/src/share/org/apache/catalina/connector/http/HttpResponseImpl.java,v 1.11.2.1 2002/02/21 22:19:21 remm Exp $ | | 2 | | * $Header: /home/cvs/jakarta-tomcat-4.0/catalina/src/share/org/apache/catalina/connector/http/HttpResponseImpl.java,v 1.13 2002/03/ 18 07:15:40 remm Exp $ | | 2 | | * $Header: /home/cvs/jakarta-tomcat-4.0/catalina/src/share/org/apache/catalina/connector/http/HttpResponseImpl.java,v 1.13 2002/03/18 07:15:40 remm Exp $ |
| 3 | | * $Revision: 1.11.2.1 $ | | 3 | | * $Revision: 1.13 $ | | 3 | | * $Revision: 1.13 $ |
| 4 | | * $Date: 2002/02/21 22:19:21 $ | | 4 | | * $Date: 2002/03/ 18 07:15:40 $ | | 4 | | * $Date: 2002/03/18 07:15:40 $ |
| 5 | | * | | 5 | | * | | 5 | | * |
| 6 | | * ==================================================================== | | 6 | | * ==================================================================== | | 6 | | * ==================================================================== |
| 7 | | * | | 7 | | * | | 7 | | * |
| 8 | | * The Apache Software License, Version 1.1 | | 8 | | * The Apache Software License, Version 1.1 | | 8 | | * The Apache Software License, Version 1.1 |
| 9 | | * | | 9 | | * | | 9 | | * |
| 10 | | * Copyright (c) 1999 The Apache Software Foundation. All rights | | 10 | | * Copyright (c) 1999 The Apache Software Foundation. All rights | | 10 | | * Copyright (c) 1999 The Apache Software Foundation. All rights |
| 11 | | * reserved. | | 11 | | * reserved. | | 11 | | * reserved. |
| 12 | | * | | 12 | | * | | 12 | | * |
| 13 | | * Redistribution and use in source and binary forms, with or without | | 13 | | * Redistribution and use in source and binary forms, with or without | | 13 | | * Redistribution and use in source and binary forms, with or without |
| 14 | | * modification, are permitted provided that the following conditions | | 14 | | * modification, are permitted provided that the following conditions | | 14 | | * modification, are permitted provided that the following conditions |
| 15 | | * are met: | | 15 | | * are met: | | 15 | | * are met: |
| 16 | | * | | 16 | | * | | 16 | | * |
| 17 | | * 1. Redistributions of source code must retain the above copyright | | 17 | | * 1. Redistributions of source code must retain the above copyright | | 17 | | * 1. Redistributions of source code must retain the above copyright |
| 18 | | * notice, this list of conditions and the following disclaimer. | | 18 | | * notice, this list of conditions and the following disclaimer. | | 18 | | * notice, this list of conditions and the following disclaimer. |
| 19 | | * | | 19 | | * | | 19 | | * |
| 20 | | * 2. Redistributions in binary form must reproduce the above copyright | | 20 | | * 2. Redistributions in binary form must reproduce the above copyright | | 20 | | * 2. Redistributions in binary form must reproduce the above copyright |
| 21 | | * notice, this list of conditions and the following disclaimer in | | 21 | | * notice, this list of conditions and the following disclaimer in | | 21 | | * notice, this list of conditions and the following disclaimer in |
| 22 | | * the documentation and/or other materials provided with the | | 22 | | * the documentation and/or other materials provided with the | | 22 | | * the documentation and/or other materials provided with the |
| 23 | | * distribution. | | 23 | | * distribution. | | 23 | | * distribution. |
| 24 | | * | | 24 | | * | | 24 | | * |
| 25 | | * 3. The end-user documentation included with the redistribution, if | | 25 | | * 3. The end-user documentation included with the redistribution, if | | 25 | | * 3. The end-user documentation included with the redistribution, if |
| 26 | | * any, must include the following acknowlegement: | | 26 | | * any, must include the following acknowlegement: | | 26 | | * any, must include the following acknowlegement: |
| 27 | | * "This product includes software developed by the | | 27 | | * "This product includes software developed by the | | 27 | | * "This product includes software developed by the |
| 28 | | * Apache Software Foundation (http://www.apache.org/)." | | 28 | | * Apache Software Foundation (http://www.apache.org/)." | | 28 | | * Apache Software Foundation (http://www.apache.org/)." |
| 29 | | * Alternately, this acknowlegement may appear in the software itself, | | 29 | | * Alternately, this acknowlegement may appear in the software itself, | | 29 | | * Alternately, this acknowlegement may appear in the software itself, |
| 30 | | * if and wherever such third-party acknowlegements normally appear. | | 30 | | * if and wherever such third-party acknowlegements normally appear. | | 30 | | * if and wherever such third-party acknowlegements normally appear. |
| 31 | | * | | 31 | | * | | 31 | | * |
| 32 | | * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software | | 32 | | * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software | | 32 | | * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software |
| 33 | | * Foundation" must not be used to endorse or promote products derived | | 33 | | * Foundation" must not be used to endorse or promote products derived | | 33 | | * Foundation" must not be used to endorse or promote products derived |
| 34 | | * from this software without prior written permission. For written | | 34 | | * from this software without prior written permission. For written | | 34 | | * from this software without prior written permission. For written |
| 35 | | * permission, please contact apache@apache.org. | | 35 | | * permission, please contact apache@apache.org. | | 35 | | * permission, please contact apache@apache.org. |
| 36 | | * | | 36 | | * | | 36 | | * |
| 37 | | * 5. Products derived from this software may not be called "Apache" | | 37 | | * 5. Products derived from this software may not be called "Apache" | | 37 | | * 5. Products derived from this software may not be called "Apache" |
| 38 | | * nor may "Apache" appear in their names without prior written | | 38 | | * nor may "Apache" appear in their names without prior written | | 38 | | * nor may "Apache" appear in their names without prior written |
| 39 | | * permission of the Apache Group. | | 39 | | * permission of the Apache Group. | | 39 | | * permission of the Apache Group. |
| 40 | | * | | 40 | | * | | 40 | | * |
| 41 | | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED | | 41 | | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED | | 41 | | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| 42 | | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | | 42 | | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | | 42 | | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 43 | | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | | 43 | | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | | 43 | | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 44 | | * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR | | 44 | | * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR | | 44 | | * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| 45 | | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | | 45 | | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | | 45 | | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 46 | | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | | 46 | | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | | 46 | | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 47 | | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF | | 47 | | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF | | 47 | | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| 48 | | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | | 48 | | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | | 48 | | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 49 | | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | | 49 | | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | | 49 | | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 50 | | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT | | 50 | | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT | | 50 | | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| 51 | | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | | 51 | | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | | 51 | | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 52 | | * SUCH DAMAGE. | | 52 | | * SUCH DAMAGE. | | 52 | | * SUCH DAMAGE. |
| 53 | | * ==================================================================== | | 53 | | * ==================================================================== | | 53 | | * ==================================================================== |
| 54 | | * | | 54 | | * | | 54 | | * |
| 55 | | * This software consists of voluntary contributions made by many | | 55 | | * This software consists of voluntary contributions made by many | | 55 | | * This software consists of voluntary contributions made by many |
| 56 | | * individuals on behalf of the Apache Software Foundation. For more | | 56 | | * individuals on behalf of the Apache Software Foundation. For more | | 56 | | * individuals on behalf of the Apache Software Foundation. For more |
| 57 | | * information on the Apache Software Foundation, please see | | 57 | | * information on the Apache Software Foundation, please see | | 57 | | * information on the Apache Software Foundation, please see |
| 58 | | * <http://www.apache.org/>. | | 58 | | * <http://www.apache.org/>. | | 58 | | * <http://www.apache.org/>. |
| 59 | | * | | 59 | | * | | 59 | | * |
| 60 | | * [Additional notices, if required by prior licensing conditions] | | 60 | | * [Additional notices, if required by prior licensing conditions] | | 60 | | * [Additional notices, if required by prior licensing conditions] |
| 61 | | * | | 61 | | * | | 61 | | * |
| 62 | | */ | | 62 | | */ | | 62 | | */ |
| 63 | | | | 63 | | | | 63 | | |
| 64 | | | | 64 | | | | 64 | | |
| 65 | | package org.apache.catalina.connector.http; | | 65 | | package org.apache.catalina.connector.http; | | 65 | | package org.apache.catalina.connector.http; |
| 66 | | | | 66 | | | | 66 | | |
| 67 | | | | 67 | | | | 67 | | |
| 68 | | import java.io.IOException; | | 68 | | import java.io.IOException; | | 68 | | import java.io.IOException; |
| 69 | | import java.io.PrintWriter; | | 69 | | import java.io.PrintWriter; | | 69 | | import java.io.PrintWriter; |
| 70 | | import java.io.OutputStream; | | 70 | | import java.io.OutputStream; | | 70 | | import java.io.OutputStream; |
| 71 | | import java.util.ArrayList; | | 71 | | import java.util.ArrayList; | | 71 | | import java.util.ArrayList; |
| 72 | | import javax.servlet.ServletOutputStream; | | 72 | | import javax.servlet.ServletOutputStream; | | 72 | | import javax.servlet.ServletOutputStream; |
| 73 | | import javax.servlet.http.HttpServletResponse; | | 73 | | import javax.servlet.http.HttpServletResponse; | | 73 | | import javax.servlet.http.HttpServletResponse; |
| 74 | | import org.apache.catalina.connector.HttpResponseBase; | | 74 | | import org.apache.catalina.connector.HttpResponseBase; | | 74 | | import org.apache.catalina.connector.HttpResponseBase; |
| 75 | | | | 75 | | | | 75 | | |
| 76 | | | | 76 | | | | 76 | | |
| 77 | | /** | | 77 | | /** | | 77 | | /** |
| 78 | | * Implementation of <b>HttpResponse</b> specific to the HTTP connector. | | 78 | | * Implementation of <b>HttpResponse</b> specific to the HTTP connector. | | 78 | | * Implementation of <b>HttpResponse</b> specific to the HTTP connector. |
| 79 | | * | | 79 | | * | | 79 | | * |
| 80 | | * @author Craig R. McClanahan | | 80 | | * @author Craig R. McClanahan | | 80 | | * @author Craig R. McClanahan |
| 81 | | * @author <a href="mailto:remm@apache.org">Remy Maucherat</a> | | 81 | | * @author <a href="mailto:remm@apache.org">Remy Maucherat</a> | | 81 | | * @author <a href="mailto:remm@apache.org">Remy Maucherat</a> |
| 82 | | * @version $Revision: 1.11.2.1 $ $Date: 2002/02/21 22:19:21 $ | | 82 | | * @version $Revision: 1.13 $ $Date: 2002/03/ 18 07:15:40 $ | | 82 | | * @version $Revision: 1.13 $ $Date: 2002/03/18 07:15:40 $ |
| | | | | 83 | | * @deprecated | | 83 | | * @deprecated |
| 83 | | */ | | 84 | | */ | | 84 | | */ |
| 84 | | | | 85 | | | | 85 | | |
| 85 | | final class HttpResponseImpl | | 86 | | final class HttpResponseImpl | | 86 | | final class HttpResponseImpl |
| 86 | | extends HttpResponseBase { | | 87 | | extends HttpResponseBase { | | 87 | | extends HttpResponseBase { |
| 87 | | | | 88 | | | | 88 | | |
| 88 | | | | 89 | | | | 89 | | |
| 89 | | // ----------------------------------------------------- Instance Variables | | 90 | | // ----------------------------------------------------- Instance Variables | | 90 | | // ----------------------------------------------------- Instance Variables |
| 90 | | | | 91 | | | | 91 | | |
| 91 | | | | 92 | | | | 92 | | |
| 92 | | /** | | 93 | | /** | | 93 | | /** |
| 93 | | * Descriptive information about this Response implementation. | | 94 | | * Descriptive information about this Response implementation. | | 94 | | * Descriptive information about this Response implementation. |
| 94 | | */ | | 95 | | */ | | 95 | | */ |
| 95 | | protected static final String info = | | 96 | | protected static final String info = | | 96 | | protected static final String info = |
| 96 | | "org.apache.catalina.connector.http.HttpResponseImpl/1.0"; | | 97 | | "org.apache.catalina.connector.http.HttpResponseImpl/1.0"; | | 97 | | "org.apache.catalina.connector.http.HttpResponseImpl/1.0"; |
| 97 | | | | 98 | | | | 98 | | |
| 98 | | | | 99 | | | | 99 | | |
| 99 | | /** | | 100 | | /** | | 100 | | /** |
| 100 | | * True if chunking is allowed. | | 101 | | * True if chunking is allowed. | | 101 | | * True if chunking is allowed. |
| 101 | | */ | | 102 | | */ | | 102 | | */ |
| 102 | | protected boolean allowChunking; | | 103 | | protected boolean allowChunking; | | 103 | | protected boolean allowChunking; |
| 103 | | | | 104 | | | | 104 | | |
| 104 | | | | 105 | | | | 105 | | |
| 105 | | /** | | 106 | | /** | | 106 | | /** |
| 106 | | * Associated HTTP response stream. | | 107 | | * Associated HTTP response stream. | | 107 | | * Associated HTTP response stream. |
| 107 | | */ | | 108 | | */ | | 108 | | */ |
| 108 | | protected HttpResponseStream responseStream; | | 109 | | protected HttpResponseStream responseStream; | | 109 | | protected HttpResponseStream responseStream; |
| 109 | | | | 110 | | | | 110 | | |
| 110 | | | | 111 | | | | 111 | | |
| 111 | | // ------------------------------------------------------------- Properties | | 112 | | // ------------------------------------------------------------- Properties | | 112 | | // ------------------------------------------------------------- Properties |
| 112 | | | | 113 | | | | 113 | | |
| 113 | | | | 114 | | | | 114 | | |
| 114 | | /** | | 115 | | /** | | 115 | | /** |
| 115 | | * Return descriptive information about this Response implementation and | | 116 | | * Return descriptive information about this Response implementation and | | 116 | | * Return descriptive information about this Response implementation and |
| 116 | | * the corresponding version number, in the format | | 117 | | * the corresponding version number, in the format | | 117 | | * the corresponding version number, in the format |
| 117 | | * <code><description>/<version></code>. | | 118 | | * <code><description>/<version></code>. | | 118 | | * <code><description>/<version></code>. |
| 118 | | */ | | 119 | | */ | | 119 | | */ |
| 119 | | public String getInfo() { | | 120 | | public String getInfo() { | | 120 | | public String getInfo() { |
| 120 | | | | 121 | | | | 121 | | |
| 121 | | return (info); | | 122 | | return (info); | | 122 | | return (info); |
| 122 | | | | 123 | | | | 123 | | |
| 123 | | } | | 124 | | } | | 124 | | } |
| 124 | | | | 125 | | | | 125 | | |
| 125 | | | | 126 | | | | 126 | | |
| 126 | | /** | | 127 | | /** | | 127 | | /** |
| 127 | | * Set the chunking flag. | | 128 | | * Set the chunking flag. | | 128 | | * Set the chunking flag. |
| 128 | | */ | | 129 | | */ | | 129 | | */ |
| 129 | | void setAllowChunking(boolean allowChunking) { | | 130 | | void setAllowChunking(boolean allowChunking) { | | 130 | | void setAllowChunking(boolean allowChunking) { |
| 130 | | this.allowChunking = allowChunking; | | 131 | | this.allowChunking = allowChunking; | | 131 | | this.allowChunking = allowChunking; |
| 131 | | } | | 132 | | } | | 132 | | } |
| 132 | | | | 133 | | | | 133 | | |
| 133 | | | | 134 | | | | 134 | | |
| 134 | | /** | | 135 | | /** | | 135 | | /** |
| 135 | | * True if chunking is allowed. | | 136 | | * True if chunking is allowed. | | 136 | | * True if chunking is allowed. |
| 136 | | */ | | 137 | | */ | | 137 | | */ |
| 137 | | public boolean isChunkingAllowed() { | | 138 | | public boolean isChunkingAllowed() { | | 138 | | public boolean isChunkingAllowed() { |
| 138 | | return allowChunking; | | 139 | | return allowChunking; | | 139 | | return allowChunking; |
| 139 | | } | | 140 | | } | | 140 | | } |
| 140 | | | | 141 | | | | 141 | | |
| 141 | | | | 142 | | | | 142 | | |
| 142 | | // ------------------------------------------------------ Protected Methods | | 143 | | // ------------------------------------------------------ Protected Methods | | 143 | | // ------------------------------------------------------ Protected Methods |
| 143 | | | | 144 | | | | 144 | | |
| 144 | | /** | | 145 | | /** | | 145 | | /** |
| 145 | | * Return the HTTP protocol version implemented by this response | | 146 | | * Return the HTTP protocol version implemented by this response | | 146 | | * Return the HTTP protocol version implemented by this response |
| 146 | | * object. | | 147 | | * object. | | 147 | | * object. |
| 147 | | * | | 148 | | * | | 148 | | * |
| 148 | | * @return The "HTTP/1.1" string. | | 149 | | * @return The "HTTP/1.1" string. | | 149 | | * @return The "HTTP/1.1" string. |
| 149 | | */ | | 150 | | */ | | 150 | | */ |
| 150 | | protected String getProtocol() { | | 151 | | protected String getProtocol() { | | 151 | | protected String getProtocol() { |
| 151 | | return("HTTP/1.1"); | | 152 | | return("HTTP/1.1"); | | 152 | | return("HTTP/1.1"); |
| 152 | | } | | 153 | | } | | 153 | | } |
| 153 | | | | 154 | | | | 154 | | |
| 154 | | | | 155 | | | | 155 | | |
| 155 | | // --------------------------------------------------------- Public Methods | | 156 | | // --------------------------------------------------------- Public Methods | | 156 | | // --------------------------------------------------------- Public Methods |
| 156 | | | | 157 | | | | 157 | | |
| 157 | | /** | | 158 | | /** | | 158 | | /** |
| 158 | | * Release all object references, and initialize instance variables, in | | 159 | | * Release all object references, and initialize instance variables, in | | 159 | | * Release all object references, and initialize instance variables, in |
| 159 | | * preparation for reuse of this object. | | 160 | | * preparation for reuse of this object. | | 160 | | * preparation for reuse of this object. |
| 160 | | */ | | 161 | | */ | | 161 | | */ |
| 161 | | public void recycle() { | | 162 | | public void recycle() { | | 162 | | public void recycle() { |
| 162 | | | | 163 | | | | 163 | | |
| 163 | | super.recycle(); | | 164 | | super.recycle(); | | 164 | | super.recycle(); |
| 164 | | responseStream = null; | | 165 | | responseStream = null; | | 165 | | responseStream = null; |
| 165 | | allowChunking = false; | | 166 | | allowChunking = false; | | 166 | | allowChunking = false; |
| 166 | | | | 167 | | | | 167 | | |
| 167 | | } | | 168 | | } | | 168 | | } |
| 168 | | | | 169 | | | | 169 | | |
| 169 | | | | 170 | | | | 170 | | |
| 170 | | /** | | 171 | | /** | | 171 | | /** |
| 171 | | * Send an error response with the specified status and message. | | 172 | | * Send an error response with the specified status and message. | | 172 | | * Send an error response with the specified status and message. |
| 172 | | * | | 173 | | * | | 173 | | * |
| 173 | | * @param status HTTP status code to send | | 174 | | * @param status HTTP status code to send | | 174 | | * @param status HTTP status code to send |
| 174 | | * @param message Corresponding message to send | | 175 | | * @param message Corresponding message to send | | 175 | | * @param message Corresponding message to send |
| 175 | | * | | 176 | | * | | 176 | | * |
| 176 | | * @exception IllegalStateException if this response has | | 177 | | * @exception IllegalStateException if this response has | | 177 | | * @exception IllegalStateException if this response has |
| 177 | | * already been committed | | 178 | | * already been committed | | 178 | | * already been committed |
| 178 | | * @exception IOException if an input/output error occurs | | 179 | | * @exception IOException if an input/output error occurs | | 179 | | * @exception IOException if an input/output error occurs |
| 179 | | */ | | 180 | | */ | | 180 | | */ |
| 180 | | public void sendError(int status, String message) throws IOException { | | 181 | | public void sendError(int status, String message) throws IOException { | | 181 | | public void sendError(int status, String message) throws IOException { |
| 181 | | | | 182 | | | | 182 | | |
| 182 | | addHeader("Connection", "close"); | | 183 | | addHeader("Connection", "close"); | | 183 | | addHeader("Connection", "close"); |
| 183 | | super.sendError(status, message); | | 184 | | super.sendError(status, message); | | 184 | | super.sendError(status, message); |
| 184 | | | | 185 | | | | 185 | | |
| 185 | | } | | 186 | | } | | 186 | | } |
| 186 | | | | 187 | | | | 187 | | |
| 187 | | | | 188 | | | | 188 | | |
| 188 | | /** | | 189 | | /** | | 189 | | /** |
| 189 | | * Clear any content written to the buffer. In addition, all cookies | | 190 | | * Clear any content written to the buffer. In addition, all cookies | | 190 | | * Clear any content written to the buffer. In addition, all cookies |
| 190 | | * and headers are cleared, and the status is reset. | | 191 | | * and headers are cleared, and the status is reset. | | 191 | | * and headers are cleared, and the status is reset. |
| 191 | | * | | 192 | | * | | 192 | | * |
| 192 | | * @exception IllegalStateException if this response has already | | 193 | | * @exception IllegalStateException if this response has already | | 193 | | * @exception IllegalStateException if this response has already |
| 193 | | * been committed | | 194 | | * been committed | | 194 | | * been committed |
| 194 | | */ | | 195 | | */ | | 195 | | */ |
| 195 | | public void reset() { | | 196 | | public void reset() { | | 196 | | public void reset() { |
| 196 | | | | 197 | | | | 197 | | |
| 197 | | // Saving important HTTP/1.1 specific headers | | 198 | | // Saving important HTTP/1.1 specific headers | | 198 | | // Saving important HTTP/1.1 specific headers |
| 198 | | String connectionValue = | | 199 | | String connectionValue = | | 199 | | String connectionValue = |
| 199 | | (String) getHeader("Connection"); | | 200 | | (String) getHeader("Connection"); | | 200 | | (String) getHeader("Connection"); |
| 200 | | String transferEncodingValue = | | 201 | | String transferEncodingValue = | | 201 | | String transferEncodingValue = |
| 201 | | (String) getHeader("Transfer-Encoding"); | | 202 | | (String) getHeader("Transfer-Encoding"); | | 202 | | (String) getHeader("Transfer-Encoding"); |
| 202 | | super.reset(); | | 203 | | super.reset(); | | 203 | | super.reset(); |
| 203 | | if (connectionValue != null) | | 204 | | if (connectionValue != null) | | 204 | | if (connectionValue != null) |
| 204 | | addHeader("Connection", connectionValue); | | 205 | | addHeader("Connection", connectionValue); | | 205 | | addHeader("Connection", connectionValue); |
| 205 | | if (transferEncodingValue != null) | | 206 | | if (transferEncodingValue != null) | | 206 | | if (transferEncodingValue != null) |
| 206 | | addHeader("Transfer-Encoding", transferEncodingValue); | | 207 | | addHeader("Transfer-Encoding", transferEncodingValue); | | 207 | | addHeader("Transfer-Encoding", transferEncodingValue); |
| 207 | | | | 208 | | | | 208 | | |
| 208 | | } | | 209 | | } | | 209 | | } |
| 209 | | | | 210 | | | | 210 | | |
| 210 | | | | 211 | | | | 211 | | |
| 211 | | /** | | 212 | | /** | | 212 | | /** |
| 212 | | * Create and return a ServletOutputStream to write the content | | 213 | | * Create and return a ServletOutputStream to write the content | | 213 | | * Create and return a ServletOutputStream to write the content |
| 213 | | * associated with this Response. | | 214 | | * associated with this Response. | | 214 | | * associated with this Response. |
| 214 | | * | | 215 | | * | | 215 | | * |
| 215 | | * @exception IOException if an input/output error occurs | | 216 | | * @exception IOException if an input/output error occurs | | 216 | | * @exception IOException if an input/output error occurs |
| 216 | | */ | | 217 | | */ | | 217 | | */ |
| 217 | | public ServletOutputStream createOutputStream() throws IOException { | | 218 | | public ServletOutputStream createOutputStream() throws IOException { | | 218 | | public ServletOutputStream createOutputStream() throws IOException { |
| 218 | | | | 219 | | | | 219 | | |
| 219 | | responseStream = new HttpResponseStream(this); | | 220 | | responseStream = new HttpResponseStream(this); | | 220 | | responseStream = new HttpResponseStream(this); |
| 220 | | return (responseStream); | | 221 | | return (responseStream); | | 221 | | return (responseStream); |
| 221 | | | | 222 | | | | 222 | | |
| 222 | | } | | 223 | | } | | 223 | | } |
| 223 | | | | 224 | | | | 224 | | |
| 224 | | | | 225 | | | | 225 | | |
| 225 | | /** | | 226 | | /** | | 226 | | /** |
| 226 | | * Tests is the connection will be closed after the processing of the | | 227 | | * Tests is the connection will be closed after the processing of the | | 227 | | * Tests is the connection will be closed after the processing of the |
| 227 | | * request. | | 228 | | * request. | | 228 | | * request. |
| 228 | | */ | | 229 | | */ | | 229 | | */ |
| 229 | | public boolean isCloseConnection() { | | 230 | | public boolean isCloseConnection() { | | 230 | | public boolean isCloseConnection() { |
| 230 | | String connectionValue = (String) getHeader("Connection"); | | 231 | | String connectionValue = (String) getHeader("Connection"); | | 231 | | String connectionValue = (String) getHeader("Connection"); |
| 231 | | return (connectionValue != null | | 232 | | return (connectionValue != null | | 232 | | return (connectionValue != null |
| 232 | | && connectionValue.equals("close")); | | 233 | | && connectionValue.equals("close")); | | 233 | | && connectionValue.equals("close")); |
| 233 | | } | | 234 | | } | | 234 | | } |
| 234 | | | | 235 | | | | 235 | | |
| 235 | | | | 236 | | | | 236 | | |
| 236 | | /** | | 237 | | /** | | 237 | | /** |
| 237 | | * Removes the specified header. | | 238 | | * Removes the specified header. | | 238 | | * Removes the specified header. |
| 238 | | * | | 239 | | * | | 239 | | * |
| 239 | | * @param name Name of the header to remove | | 240 | | * @param name Name of the header to remove | | 240 | | * @param name Name of the header to remove |
| 240 | | * @param value Value to remove | | 241 | | * @param value Value to remove | | 241 | | * @param value Value to remove |
| 241 | | */ | | 242 | | */ | | 242 | | */ |
| 242 | | public void removeHeader(String name, String value) { | | 243 | | public void removeHeader(String name, String value) { | | 243 | | public void removeHeader(String name, String value) { |
| 243 | | | | 244 | | | | 244 | | |
| 244 | | if (isCommitted()) | | 245 | | if (isCommitted()) | | 245 | | if (isCommitted()) |
| 245 | | return; | | 246 | | return; | | 246 | | return; |
| 246 | | | | 247 | | | | 247 | | |
| 247 | | if (included) | | 248 | | if (included) | | 248 | | if (included) |
| 248 | | return; // Ignore any call from an included servlet | | 249 | | return; // Ignore any call from an included servlet | | 249 | | return; // Ignore any call from an included servlet |
| 249 | | | | 250 | | | | 250 | | |
| 250 | | synchronized (headers) { | | 251 | | synchronized (headers) { | | 251 | | synchronized (headers) { |
| 251 | | ArrayList values = (ArrayList) headers.get(name); | | 252 | | ArrayList values = (ArrayList) headers.get(name); | | 252 | | ArrayList values = (ArrayList) headers.get(name); |
| 252 | | if ((values != null) && (!values.isEmpty())) { | | 253 | | if ((values != null) && (!values.isEmpty())) { | | 253 | | if ((values != null) && (!values.isEmpty())) { |
| 253 | | values.remove(value); | | 254 | | values.remove(value); | | 254 | | values.remove(value); |
| 254 | | if (values.isEmpty()) | | 255 | | if (values.isEmpty()) | | 255 | | if (values.isEmpty()) |
| 255 | | headers.remove(name); | | 256 | | headers.remove(name); | | 256 | | headers.remove(name); |
| 256 | | } | | 257 | | } | | 257 | | } |
| 257 | | } | | 258 | | } | | 258 | | } |
| 258 | | | | 259 | | | | 259 | | |
| 259 | | } | | 260 | | } | | 260 | | } |
| 260 | | | | 261 | | | | 261 | | |
| 261 | | | | 262 | | | | 262 | | |
| 262 | | /** | | 263 | | /** | | 263 | | /** |
| 263 | | * Has stream been created ? | | 264 | | * Has stream been created ? | | 264 | | * Has stream been created ? |
| 264 | | */ | | 265 | | */ | | 265 | | */ |
| 265 | | public boolean isStreamInitialized() { | | 266 | | public boolean isStreamInitialized() { | | 266 | | public boolean isStreamInitialized() { |
| 266 | | return (responseStream != null); | | 267 | | return (responseStream != null); | | 267 | | return (responseStream != null); |
| 267 | | } | | 268 | | } | | 268 | | } |
| 268 | | | | 269 | | | | 269 | | |
| 269 | | | | 270 | | | | 270 | | |
| 270 | | /** | | 271 | | /** | | 271 | | /** |
| 271 | | * Perform whatever actions are required to flush and close the output | | 272 | | * Perform whatever actions are required to flush and close the output | | 272 | | * Perform whatever actions are required to flush and close the output |
| 272 | | * stream or writer, in a single operation. | | 273 | | * stream or writer, in a single operation. | | 273 | | * stream or writer, in a single operation. |
| 273 | | * | | 274 | | * | | 274 | | * |
| 274 | | * @exception IOException if an input/output error occurs | | 275 | | * @exception IOException if an input/output error occurs | | 275 | | * @exception IOException if an input/output error occurs |
| 275 | | */ | | 276 | | */ | | 276 | | */ |
| 276 | | public void finishResponse() throws IOException { | | 277 | | public void finishResponse() throws IOException { | | 277 | | public void finishResponse() throws IOException { |
| 277 | | | | 278 | | | | 278 | | |
| 278 | | if (getStatus() < HttpServletResponse.SC_BAD_REQUEST) { | | 279 | | if (getStatus() < HttpServletResponse.SC_BAD_REQUEST) { | | 279 | | if (getStatus() < HttpServletResponse.SC_BAD_REQUEST) { |
| 279 | | if ((!isStreamInitialized()) && (getContentLength() == -1) | | 280 | | if ((!isStreamInitialized()) && (getContentLength() == -1) | | 280 | | if ((!isStreamInitialized()) && (getContentLength() == -1) |
| 280 | | && (getStatus() >= 200) | | 281 | | && (getStatus() >= 200) | | 281 | | && (getStatus() >= 200) |
| 281 | | && (getStatus() != SC_NOT_MODIFIED) | | 282 | | && (getStatus() != SC_NOT_MODIFIED) | | 282 | | && (getStatus() != SC_NOT_MODIFIED) |
| 282 | | && (getStatus() != SC_NO_CONTENT)) | | 283 | | && (getStatus() != SC_NO_CONTENT)) | | 283 | | && (getStatus() != SC_NO_CONTENT)) |
| 283 | | setContentLength(0); | | 284 | | setContentLength(0); | | 284 | | setContentLength(0); |
| 284 | | } else { | | 285 | | } else { | | 285 | | } else { |
| 285 | | setHeader("Connection", "close"); | | 286 | | setHeader("Connection", "close"); | | 286 | | setHeader("Connection", "close"); |
| 286 | | } | | 287 | | } | | 287 | | } |
| 287 | | super.finishResponse(); | | 288 | | super.finishResponse(); | | 288 | | super.finishResponse(); |
| 288 | | | | 289 | | | | 289 | | |
| 289 | | } | | 290 | | } | | 290 | | } |
| 290 | | | | 291 | | | | 291 | | |
| 291 | | | | 292 | | | | 292 | | |
| 292 | | // -------------------------------------------- HttpServletResponse Methods | | 293 | | // -------------------------------------------- HttpServletResponse Methods | | 293 | | // -------------------------------------------- HttpServletResponse Methods |
| 293 | | | | 294 | | | | 294 | | |
| 294 | | | | 295 | | | | 295 | | |
| 295 | | /** | | 296 | | /** | | 296 | | /** |
| 296 | | * Set the HTTP status to be returned with this response. | | 297 | | * Set the HTTP status to be returned with this response. | | 297 | | * Set the HTTP status to be returned with this response. |
| 297 | | * | | 298 | | * | | 298 | | * |
| 298 | | * @param status The new HTTP status | | 299 | | * @param status The new HTTP status | | 299 | | * @param status The new HTTP status |
| 299 | | */ | | 300 | | */ | | 300 | | */ |
| 300 | | public void setStatus(int status) { | | 301 | | public void setStatus(int status) { | | 301 | | public void setStatus(int status) { |
| 301 | | | | 302 | | | | 302 | | |
| 302 | | super.setStatus(status); | | 303 | | super.setStatus(status); | | 303 | | super.setStatus(status); |
| 303 | | | | 304 | | | | 304 | | |
| 304 | | if (responseStream != null) | | 305 | | if (responseStream != null) | | 305 | | if (responseStream != null) |
| 305 | | responseStream.checkChunking(this); | | 306 | | responseStream.checkChunking(this); | | 306 | | responseStream.checkChunking(this); |
| 306 | | | | 307 | | | | 307 | | |
| 307 | | } | | 308 | | } | | 308 | | } |
| 308 | | | | 309 | | | | 309 | | |
| 309 | | | | 310 | | | | 310 | | |
| 310 | | /** | | 311 | | /** | | 311 | | /** |
| 311 | | * Set the content length (in bytes) for this Response. | | 312 | | * Set the content length (in bytes) for this Response. | | 312 | | * Set the content length (in bytes) for this Response. |
| 312 | | * | | 313 | | * | | 313 | | * |
| 313 | | * @param length The new content length | | 314 | | * @param length The new content length | | 314 | | * @param length The new content length |
| 314 | | */ | | 315 | | */ | | 315 | | */ |
| 315 | | public void setContentLength(int length) { | | 316 | | public void setContentLength(int length) { | | 316 | | public void setContentLength(int length) { |
| 316 | | | | 317 | | | | 317 | | |
| 317 | | if (isCommitted()) | | 318 | | if (isCommitted()) | | 318 | | if (isCommitted()) |
| 318 | | return; | | 319 | | return; | | 319 | | return; |
| 319 | | | | 320 | | | | 320 | | |
| 320 | | if (included) | | 321 | | if (included) | | 321 | | if (included) |
| 321 | | return; // Ignore any call from an included servlet | | 322 | | return; // Ignore any call from an included servlet | | 322 | | return; // Ignore any call from an included servlet |
| 322 | | | | 323 | | | | 323 | | |
| 323 | | super.setContentLength(length); | | 324 | | super.setContentLength(length); | | 324 | | super.setContentLength(length); |
| 324 | | | | 325 | | | | 325 | | |
| 325 | | if (responseStream != null) | | 326 | | if (responseStream != null) | | 326 | | if (responseStream != null) |
| 326 | | responseStream.checkChunking(this); | | 327 | | responseStream.checkChunking(this); | | 327 | | responseStream.checkChunking(this); |
| 327 | | | | 328 | | | | 328 | | |
| 328 | | } | | 329 | | } | | 329 | | } |
| 329 | | | | 330 | | | | 330 | | |
| 330 | | | | 331 | | | | 331 | | |
| 331 | | } | | 332 | | } | | 332 | | } |