001: /*****************************************************************************
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025:
026: * The Original Software is the CVS Client Library.
027: * The Initial Developer of the Original Software is Robert Greig.
028: * Portions created by Robert Greig are Copyright (C) 2000.
029: * All Rights Reserved.
030: *
031: * If you wish your version of this file to be governed by only the CDDL
032: * or only the GPL Version 2, indicate your decision by adding
033: * "[Contributor] elects to include this software in this distribution
034: * under the [CDDL or GPL Version 2] license." If you do not indicate a
035: * single choice of license, a recipient has the option to distribute
036: * your version of this file under either the CDDL, the GPL Version 2 or
037: * to extend the choice of license to its licensees as provided above.
038: * However, if you add GPL Version 2 code and therefore, elected the GPL
039: * Version 2 license, then the option applies only if the new code is
040: * made subject to such option by the copyright holder.
041:
042: * Contributor(s): Robert Greig.
043: *****************************************************************************/package org.netbeans.lib.cvsclient.request;
044:
045: import java.io.*;
046:
047: import org.netbeans.lib.cvsclient.connection.*;
048:
049: /**
050: * This class implements the Gzip-Stream request that is used to indicate that
051: * all further communication with the server is to be gzipped.
052: * @author Robert Greig
053: */
054: public class GzipStreamRequest extends Request {
055:
056: /**
057: * The level of gzipping to specify
058: */
059: private int level = 6;
060:
061: /**
062: * Creates new GzipStreamRequest with gzip level 6
063: */
064: public GzipStreamRequest() {
065: }
066:
067: /**
068: * Creates new GzipStreamRequest
069: * @param level the level of zipping to use (between 1 and 9)
070: */
071: public GzipStreamRequest(int level) {
072: this .level = level;
073: }
074:
075: /**
076: * Get the request String that will be passed to the server
077: * @return the request String
078: * @throws UnconfiguredRequestException if the request has not been
079: * properly configured
080: */
081: public String getRequestString()
082: throws UnconfiguredRequestException {
083: return "Gzip-stream " + level + "\n"; //NOI18N
084: }
085:
086: /**
087: * Is a response expected from the server?
088: * @return true if a response is expected, false if no response if
089: * expected
090: */
091: public boolean isResponseExpected() {
092: return false;
093: }
094:
095: /**
096: * Modify streams on the connection if necessary
097: */
098: public void modifyOutputStream(Connection connection)
099: throws IOException {
100: connection.modifyOutputStream(new GzipModifier());
101: }
102:
103: /**
104: * Modify streams on the connection if necessary
105: */
106: public void modifyInputStream(Connection connection)
107: throws IOException {
108: connection.modifyInputStream(new GzipModifier());
109: }
110:
111: /**
112: * Does this request modify the input stream?
113: * @return true if it does, false otherwise
114: */
115: public boolean modifiesInputStream() {
116: return true;
117: }
118: }
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