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Java > Open Source Codes > org > apache > commons > httpclient > NoHostHttpConnectionManager


1 /*
2  * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//httpclient/src/test/org/apache/commons/httpclient/NoHostHttpConnectionManager.java,v 1.9 2004/10/31 13:53:03 olegk Exp $
3  * $Revision: 480424 $
4  * $Date: 2006-11-29 05:56:49 +0000 (Wed, 29 Nov 2006) $
5  *
6  * ====================================================================
7  *
8  * Licensed to the Apache Software Foundation (ASF) under one or more
9  * contributor license agreements. See the NOTICE file distributed with
10  * this work for additional information regarding copyright ownership.
11  * The ASF licenses this file to You under the Apache License, Version 2.0
12  * (the "License"); you may not use this file except in compliance with
13  * the License. You may obtain a copy of the License at
14  *
15  * http://www.apache.org/licenses/LICENSE-2.0
16  *
17  * Unless required by applicable law or agreed to in writing, software
18  * distributed under the License is distributed on an "AS IS" BASIS,
19  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
20  * See the License for the specific language governing permissions and
21  * limitations under the License.
22  * ====================================================================
23  *
24  * This software consists of voluntary contributions made by many
25  * individuals on behalf of the Apache Software Foundation. For more
26  * information on the Apache Software Foundation, please see
27  * <http://www.apache.org/>.
28  *
29  * [Additional notices, if required by prior licensing conditions]
30  *
31  */
32  
33 package org.apache.commons.httpclient;
34
35 import java.io.IOException JavaDoc;
36 import java.io.InputStream JavaDoc;
37
38 import org.apache.commons.httpclient.params.HttpConnectionManagerParams;
39
40 /**
41  */
42 public class NoHostHttpConnectionManager implements HttpConnectionManager {
43
44     private HttpConnection connection;
45     
46     private boolean connectionReleased = false;
47     
48     private HttpConnectionManagerParams params = new HttpConnectionManagerParams();
49     
50     public NoHostHttpConnectionManager() {
51         super();
52     }
53
54     /**
55      * This method currently does nothing.
56      */
57     public void closeIdleConnections(long idleTimeout) {
58     }
59
60     /**
61      * @return
62      */
63     public boolean isConnectionReleased() {
64         return connectionReleased;
65     }
66     
67     /**
68      * @param connection
69      */
70     public void setConnection(HttpConnection connection) {
71         this.connection = connection;
72         connection.setHttpConnectionManager(this);
73         connection.getParams().setDefaults(this.params);
74     }
75
76     public HttpConnection getConnection(HostConfiguration hostConfiguration) {
77         
78         // make sure the host and proxy are correct for this connection
79 // close it and set the values if they are not
80 if (!hostConfiguration.hostEquals(connection)
81             || !hostConfiguration.proxyEquals(connection)) {
82                 
83             if (connection.isOpen()) {
84                 connection.close();
85             }
86
87             connection.setHost(hostConfiguration.getHost());
88             connection.setPort(hostConfiguration.getPort());
89             connection.setProtocol(hostConfiguration.getProtocol());
90             connection.setLocalAddress(hostConfiguration.getLocalAddress());
91
92             connection.setProxyHost(hostConfiguration.getProxyHost());
93             connection.setProxyPort(hostConfiguration.getProxyPort());
94         } else {
95             finishLastResponse(connection);
96         }
97         
98         connectionReleased = false;
99         return connection;
100     }
101
102     /**
103      * @deprecated
104      */
105     public HttpConnection getConnection(HostConfiguration hostConfiguration, long timeout)
106         throws HttpException {
107         return getConnection(hostConfiguration);
108     }
109
110     public HttpConnection getConnectionWithTimeout(
111         HostConfiguration hostConfiguration,
112         long timeout)
113         throws ConnectionPoolTimeoutException {
114         return getConnection(hostConfiguration);
115     }
116
117     public void releaseConnection(HttpConnection conn) {
118         if (conn != connection) {
119             throw new IllegalStateException JavaDoc("Unexpected close on a different connection.");
120         }
121         
122         connectionReleased = true;
123         finishLastResponse(connection);
124     }
125
126     /**
127      * Since the same connection is about to be reused, make sure the
128      * previous request was completely processed, and if not
129      * consume it now.
130      * @param conn The connection
131      */
132     static void finishLastResponse(HttpConnection conn) {
133         InputStream JavaDoc lastResponse = conn.getLastResponseInputStream();
134         if (lastResponse != null) {
135             conn.setLastResponseInputStream(null);
136             try {
137                 lastResponse.close();
138             } catch (IOException JavaDoc ioe) {
139                 //FIXME: badness - close to force reconnect.
140 conn.close();
141             }
142         }
143     }
144
145     public HttpConnectionManagerParams getParams() {
146         return this.params;
147     }
148
149     public void setParams(final HttpConnectionManagerParams params) {
150         if (params == null) {
151             throw new IllegalArgumentException JavaDoc("Parameters may not be null");
152         }
153         this.params = params;
154     }
155
156 }
157
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