01: /* HttpRecorderPostMethod
02: *
03: * Created on Feb 24, 2004
04: *
05: * Copyright (C) 2003 Internet Archive.
06: *
07: * This file is part of the Heritrix web crawler (crawler.archive.org).
08: *
09: * Heritrix is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU Lesser Public License as published by
11: * the Free Software Foundation; either version 2.1 of the License, or
12: * any later version.
13: *
14: * Heritrix is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17: * GNU Lesser Public License for more details.
18: *
19: * You should have received a copy of the GNU Lesser Public License
20: * along with Heritrix; if not, write to the Free Software
21: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22: */
23: package org.archive.httpclient;
24:
25: import java.io.IOException;
26:
27: import org.apache.commons.httpclient.HttpConnection;
28: import org.apache.commons.httpclient.HttpException;
29: import org.apache.commons.httpclient.HttpState;
30: import org.apache.commons.httpclient.methods.PostMethod;
31: import org.archive.util.HttpRecorder;
32:
33: /**
34: * Override of PostMethod that marks the passed HttpRecorder w/ the transition
35: * from HTTP head to body and that forces a close on the responseConnection.
36: *
37: * This is a copy of {@link HttpRecorderGetMethod}. Only difference is the
38: * parent subclass.
39: *
40: * @author stack
41: * @version $Date: 2005-04-07 21:44:47 +0000 (Thu, 07 Apr 2005) $ $Revision: 3351 $
42: */
43: public class HttpRecorderPostMethod extends PostMethod {
44: /**
45: * Instance of http recorder method.
46: */
47: protected HttpRecorderMethod httpRecorderMethod = null;
48:
49: public HttpRecorderPostMethod(String uri, HttpRecorder recorder) {
50: super (uri);
51: this .httpRecorderMethod = new HttpRecorderMethod(recorder);
52: }
53:
54: protected void readResponseBody(HttpState state,
55: HttpConnection connection) throws IOException,
56: HttpException {
57: // We're about to read the body. Mark transition in http recorder.
58: this .httpRecorderMethod.markContentBegin(connection);
59: super .readResponseBody(state, connection);
60: }
61:
62: protected boolean shouldCloseConnection(HttpConnection conn) {
63: // Always close connection after each request. As best I can tell, this
64: // is superfluous -- we've set our client to be HTTP/1.0. Doing this
65: // out of paranoia.
66: return true;
67: }
68:
69: public int execute(HttpState state, HttpConnection conn)
70: throws HttpException, IOException {
71: // Save off the connection so we can close it on our way out in case
72: // httpclient fails to (We're not supposed to have access to the
73: // underlying connection object; am only violating contract because
74: // see cases where httpclient is skipping out w/o cleaning up
75: // after itself).
76: this .httpRecorderMethod.setConnection(conn);
77: return super .execute(state, conn);
78: }
79:
80: protected void addProxyConnectionHeader(HttpState state,
81: HttpConnection conn) throws IOException, HttpException {
82: super.addProxyConnectionHeader(state, conn);
83: this.httpRecorderMethod.handleAddProxyConnectionHeader(this);
84: }
85: }
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