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/* |
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* The Apache Software License, Version 1.1 |
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* |
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* Copyright (c) 2004 The Apache Software Foundation. All rights |
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* reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. The end-user documentation included with the redistribution, if |
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* any, must include the following acknowlegement: |
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* "This product includes software developed by the |
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* Apache Software Foundation (http://www.apache.org/)." |
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* Alternately, this acknowlegement may appear in the software itself, |
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* if and wherever such third-party acknowlegements normally appear. |
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* |
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* 4. The names "Ant" and "Apache Software |
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* Foundation" must not be used to endorse or promote products derived |
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* from this software without prior written permission. For written |
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* permission, please contact apache@apache.org. |
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* |
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* 5. Products derived from this software may not be called "Apache" |
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* nor may "Apache" appear in their names without prior written |
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* permission of the Apache Group. |
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* |
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This software consists of voluntary contributions made by many |
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* individuals on behalf of the Apache Software Foundation. For more |
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* information on the Apache Software Foundation, please see |
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* <http://www.apache.org/>. |
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*/ |
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package org.apache.tools.ant.taskdefs.cvslib; |
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import org.apache.tools.ant.taskdefs.AbstractCvsTask; |
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import java.io.ByteArrayOutputStream; |
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import java.util.StringTokenizer; |
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/** |
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* this task allows to find out the client and the server version of a |
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* CVS installation |
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* |
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* example usage : |
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* <cvsversion |
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* cvsRoot=":pserver:anoncvs@cvs.apache.org:/home/cvspublic" |
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* passfile="c:/programme/cygwin/home/antoine/.cvspass" |
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* clientversionproperty="apacheclient" |
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* serverversionproperty="apacheserver" /> |
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* |
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* the task can be used also in the API by calling its execute method, |
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* then calling getServerVersion and/or getClientVersion |
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* |
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* @ant.task category="scm" |
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* @author Antoine Levy-Lambert |
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*/ |
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public class CvsVersion extends AbstractCvsTask { |
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static final long VERSION_1_11_2 = 11102; |
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static final long MULTIPLY = 100; |
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private String clientVersion; |
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private String serverVersion; |
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private String clientVersionProperty; |
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private String serverVersionProperty; |
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/** |
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* get the CVS client version |
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* @return CVS client version |
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*/ |
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public String getClientVersion() { |
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return clientVersion; |
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} |
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/** |
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* get the CVS server version |
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* @return CVS server version |
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*/ |
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public String getServerVersion() { |
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return serverVersion; |
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} |
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/** |
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* set a property where to store the CVS client version |
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* @param clientVersionProperty property for CVS client version |
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*/ |
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public void setClientVersionProperty(String clientVersionProperty) { |
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this.clientVersionProperty = clientVersionProperty; |
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} |
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/** |
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* set a property where to store the CVS server version |
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* @param serverVersionProperty property for CVS server version |
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*/ |
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public void setServerVersionProperty(String serverVersionProperty) { |
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this.serverVersionProperty = serverVersionProperty; |
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} |
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/** |
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* find out if the server version supports log with S option |
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* @return boolean indicating if the server version supports log with S option |
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*/ |
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public boolean supportsCvsLogWithSOption() { |
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if (serverVersion == null) { |
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return false; |
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} |
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StringTokenizer mySt = new StringTokenizer(serverVersion, "."); |
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long versionNumber; |
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long counter = MULTIPLY * MULTIPLY; |
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long version = 0; |
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while (mySt.hasMoreTokens()) { |
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String s = mySt.nextToken(); |
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int i = 0; |
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for (i = 0; i < s.length(); i++) { |
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if (!Character.isDigit(s.charAt(i))) { |
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break; |
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} |
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} |
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String s2 = s.substring(0, i); |
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version = version + counter * Long.parseLong(s2); |
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if (counter == 1) { |
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break; |
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} |
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counter = counter / MULTIPLY; |
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} |
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return (version >= VERSION_1_11_2); |
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} |
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/** |
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* the execute method running CvsVersion |
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*/ |
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public void execute() { |
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ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
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this.setOutputStream(bos); |
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ByteArrayOutputStream berr = new ByteArrayOutputStream(); |
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this.setErrorStream(berr); |
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setCommand("version"); |
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super.execute(); |
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String output = bos.toString(); |
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StringTokenizer st = new StringTokenizer(output); |
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boolean client = false; |
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boolean server = false; |
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boolean cvs = false; |
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while (st.hasMoreTokens()) { |
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String currentToken = st.nextToken(); |
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if (currentToken.equals("Client:")) { |
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client = true; |
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} else if (currentToken.equals("Server:")) { |
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server = true; |
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} else if (currentToken.equals("(CVS)")) { |
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cvs = true; |
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} |
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if (client && cvs) { |
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if (st.hasMoreTokens()) { |
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clientVersion = st.nextToken(); |
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} |
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client = false; |
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cvs = false; |
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} else if (server && cvs) { |
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if (st.hasMoreTokens()) { |
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serverVersion = st.nextToken(); |
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} |
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server = false; |
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cvs = false; |
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} |
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} |
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if (clientVersionProperty != null) { |
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getProject().setNewProperty(clientVersionProperty, clientVersion); |
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} |
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if (serverVersionProperty != null) { |
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getProject().setNewProperty(serverVersionProperty, serverVersion); |
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} |
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} |
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} |
Antoine Levy-Lambert