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.response;
044:
045: import java.text.*;
046: import java.util.*;
047: import org.netbeans.lib.cvsclient.admin.*;
048:
049: import org.netbeans.lib.cvsclient.util.*;
050:
051: /**
052: * Sets the modification time of the next file sent to a specified time.
053: * @author Robert Greig
054: */
055: class ModTimeResponse implements Response {
056:
057: /**
058: * The formatter responsible for converting server dates to our own dates
059: */
060: protected static final SimpleDateFormat dateFormatter;
061:
062: /**
063: * The way the server formats dates
064: */
065: protected static final String SERVER_DATE_FORMAT = "dd MMM yyyy HH:mm:ss"; //NOI18N
066:
067: static {
068: dateFormatter = new SimpleDateFormat(SERVER_DATE_FORMAT,
069: Locale.US);
070: dateFormatter.setTimeZone(Entry.getTimeZone());
071: }
072:
073: /**
074: * Process the data for the response.
075: * @param dis the data inputstream allowing the client to read the server's
076: * response. Note that the actual response name has already been read
077: * and the input stream is positioned just before the first argument, if
078: * any.
079: */
080: public void process(LoggedDataInputStream dis,
081: ResponseServices services) throws ResponseException {
082: try {
083: String dateString = dis.readLine();
084:
085: // we assume the date is in GMT, this appears to be the case
086: // We remove the ending because SimpleDateFormat does not parse
087: // +xxxx, only GMT+xxxx and this avoid us having to do String
088: // concat
089: Date date = dateFormatter.parse(dateString.substring(0,
090: dateString.length() - 6));
091: if (date.getTime() < 0) {
092: // now we're in trouble - see #18232 issue.
093: // we need to adjust the modified time..
094: // so that the resulting date.getTime() is not negative.
095: // The problem occurs when the sent year has only 2 digits.
096: // this happens with old versions of cvs.
097: if (date.getYear() < 100 && date.getYear() >= 70) {
098: date.setYear(date.getYear() + 1900);
099: } else if (date.getYear() >= 0 && date.getYear() < 70) {
100: date.setYear(date.getYear() + 2000);
101: } else {
102: date.setYear(2000 + date.getYear());
103: // for values less than zero let's assume
104: // that we need to substract the value from 2000
105: /* throw new ResponseException(
106: "Cannot adjust negative time value (" + dateString + ")", //NOI18N
107: ResponseException.getLocalMessage("ModTimeResponse.badDate", //NOI18N
108: new Object[] {dateString}));
109: */
110: }
111: }
112: services.setNextFileDate(date);
113: } catch (Exception e) {
114: throw new ResponseException(e);
115: }
116: }
117:
118: /**
119: * Is this a terminal response, i.e. should reading of responses stop
120: * after this response. This is true for responses such as OK or
121: * an error response
122: */
123: public boolean isTerminalResponse() {
124: return false;
125: }
126: }
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