Source code: org/apache/ajp/tomcat4/Ajp13Response.java
1 /*
2 * Copyright 1999-2004 The Apache Software Foundation
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package org.apache.ajp.tomcat4;
18
19 import java.io.IOException;
20
21 import java.util.Iterator;
22
23 import javax.servlet.http.Cookie;
24 import javax.servlet.http.HttpServletRequest;
25 import javax.servlet.http.HttpSession;
26
27 import org.apache.catalina.connector.HttpResponseBase;
28 import org.apache.catalina.Globals;
29 import org.apache.catalina.util.CookieTools;
30
31 import org.apache.ajp.Ajp13;
32 import org.apache.tomcat.util.http.MimeHeaders;
33
34 public class Ajp13Response extends HttpResponseBase {
35
36 private Ajp13 ajp13;
37 private boolean finished = false;
38 private boolean headersSent = false;
39 private MimeHeaders headers = new MimeHeaders();
40 private StringBuffer cookieValue = new StringBuffer();
41
42 String getStatusMessage() {
43 return getStatusMessage(getStatus());
44 }
45
46 public void recycle() {
47 super.recycle();
48 this.finished = false;
49 this.headersSent = false;
50 this.headers.recycle();
51 }
52
53 protected void sendHeaders() throws IOException {
54
55 if (headersSent) {
56 // don't send headers twice
57 return;
58 }
59 headersSent = true;
60
61 int numHeaders = 0;
62
63 if (getContentType() != null) {
64 numHeaders++;
65 }
66
67 if (getContentLength() >= 0) {
68 numHeaders++;
69 }
70
71 // Add the session ID cookie if necessary
72 HttpServletRequest hreq = (HttpServletRequest) request.getRequest();
73 HttpSession session = hreq.getSession(false);
74
75 if ((session != null) && session.isNew() && (getContext() != null)
76 && getContext().getCookies()) {
77 Cookie cookie = new Cookie(Globals.SESSION_COOKIE_NAME,
78 session.getId());
79 cookie.setMaxAge(-1);
80 String contextPath = null;
81 if (context != null)
82 contextPath = context.getPath();
83 if ((contextPath != null) && (contextPath.length() > 0))
84 cookie.setPath(contextPath);
85 else
86 cookie.setPath("/");
87 if (hreq.isSecure())
88 cookie.setSecure(true);
89 addCookie(cookie);
90 }
91
92 // Send all specified cookies (if any)
93 synchronized (cookies) {
94 Iterator items = cookies.iterator();
95 while (items.hasNext()) {
96 Cookie cookie = (Cookie) items.next();
97
98 cookieValue.delete(0, cookieValue.length());
99 CookieTools.getCookieHeaderValue(cookie, cookieValue);
100
101 addHeader(CookieTools.getCookieHeaderName(cookie),
102 cookieValue.toString());
103 }
104 }
105
106 // figure out how many headers...
107 // can have multiple headers of the same name...
108 // need to loop through headers once to get total
109 // count, once to add header to outBuf
110 String[] hnames = getHeaderNames();
111 Object[] hvalues = new Object[hnames.length];
112
113 int i;
114 for (i = 0; i < hnames.length; ++i) {
115 String[] tmp = getHeaderValues(hnames[i]);
116 numHeaders += tmp.length;
117 hvalues[i] = tmp;
118 }
119
120 ajp13.beginSendHeaders(getStatus(), getStatusMessage(getStatus()), numHeaders);
121
122 // send each header
123 if (getContentType() != null) {
124 ajp13.sendHeader("Content-Type", getContentType());
125 }
126
127 if (getContentLength() >= 0) {
128 ajp13.sendHeader("Content-Length", String.valueOf(getContentLength()));
129 }
130
131 for (i = 0; i < hnames.length; ++i) {
132 String name = hnames[i];
133 String[] values = (String[])hvalues[i];
134
135 for (int j = 0; j < values.length; ++j) {
136 ajp13.sendHeader(name, values[j]);
137 }
138 }
139
140 ajp13.endSendHeaders();
141
142 // The response is now committed
143 committed = true;
144 }
145
146 public void finishResponse() throws IOException {
147 if(!this.finished) {
148 try {
149 super.finishResponse();
150 } catch( Throwable t ) {
151 t.printStackTrace();
152 }
153 this.finished = true; // Avoid END_OF_RESPONSE sent 2 times
154 ajp13.finish();
155 }
156 }
157
158 void setAjp13(Ajp13 ajp13) {
159 this.ajp13 = ajp13;
160 }
161
162 Ajp13 getAjp13() {
163 return this.ajp13;
164 }
165 }