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Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/cvslib/CvsVersion.java')
| -rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/cvslib/CvsVersion.java | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/cvslib/CvsVersion.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/cvslib/CvsVersion.java new file mode 100644 index 00000000..618da4ec --- /dev/null +++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/cvslib/CvsVersion.java @@ -0,0 +1,169 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ +package org.apache.tools.ant.taskdefs.cvslib; + +import java.io.ByteArrayOutputStream; +import java.util.StringTokenizer; + +import org.apache.tools.ant.Project; +import org.apache.tools.ant.taskdefs.AbstractCvsTask; + +/** + * this task allows to find out the client and the server version of a + * CVS installation + * + * example usage : + * <cvsversion + * cvsRoot=":pserver:anoncvs@cvs.apache.org:/home/cvspublic" + * passfile="c:/programme/cygwin/home/antoine/.cvspass" + * clientversionproperty="apacheclient" + * serverversionproperty="apacheserver" /> + * + * the task can be used also in the API by calling its execute method, + * then calling getServerVersion and/or getClientVersion + * + * @ant.task category="scm" + * @since ant 1.6.1 + */ +public class CvsVersion extends AbstractCvsTask { + static final long VERSION_1_11_2 = 11102; + static final long MULTIPLY = 100; + private String clientVersion; + private String serverVersion; + private String clientVersionProperty; + private String serverVersionProperty; + + /** + * Get the CVS client version + * @return CVS client version + */ + public String getClientVersion() { + return clientVersion; + } + /** + * Get the CVS server version + * @return CVS server version + */ + public String getServerVersion() { + return serverVersion; + } + /** + * Set a property where to store the CVS client version + * @param clientVersionProperty property for CVS client version + */ + public void setClientVersionProperty(String clientVersionProperty) { + this.clientVersionProperty = clientVersionProperty; + } + + /** + * Set a property where to store the CVS server version + * @param serverVersionProperty property for CVS server version + */ + public void setServerVersionProperty(String serverVersionProperty) { + this.serverVersionProperty = serverVersionProperty; + } + /** + * Find out if the server version supports log with S option + * @return boolean indicating if the server version supports log with S option + */ + public boolean supportsCvsLogWithSOption() { + if (serverVersion == null) { + return false; + } + StringTokenizer tokenizer = new StringTokenizer(serverVersion, "."); + long counter = MULTIPLY * MULTIPLY; + long version = 0; + while (tokenizer.hasMoreTokens()) { + String s = tokenizer.nextToken(); + int i = 0; + for (i = 0; i < s.length(); i++) { + if (!Character.isDigit(s.charAt(i))) { + break; + } + } + String s2 = s.substring(0, i); + version = version + counter * Long.parseLong(s2); + if (counter == 1) { + break; + } + counter = counter / MULTIPLY; + } + return (version >= VERSION_1_11_2); + } + /** + * the execute method running CvsVersion + */ + public void execute() { + ByteArrayOutputStream bos = new ByteArrayOutputStream(); + this.setOutputStream(bos); + ByteArrayOutputStream berr = new ByteArrayOutputStream(); + this.setErrorStream(berr); + setCommand("version"); + super.execute(); + String output = bos.toString(); + log("Received version response \"" + output + "\"", + Project.MSG_DEBUG); + StringTokenizer st = new StringTokenizer(output); + boolean client = false; + boolean server = false; + String cvs = null; + String cachedVersion = null; + boolean haveReadAhead = false; + while (haveReadAhead || st.hasMoreTokens()) { + String currentToken = haveReadAhead ? cachedVersion : st.nextToken(); + haveReadAhead = false; + if (currentToken.equals("Client:")) { + client = true; + } else if (currentToken.equals("Server:")) { + server = true; + } else if (currentToken.startsWith("(CVS") + && currentToken.endsWith(")")) { + cvs = currentToken.length() == 5 ? "" : " " + currentToken; + } + if (!client && !server && cvs != null + && cachedVersion == null && st.hasMoreTokens()) { + cachedVersion = st.nextToken(); + haveReadAhead = true; + } else if (client && cvs != null) { + if (st.hasMoreTokens()) { + clientVersion = st.nextToken() + cvs; + } + client = false; + cvs = null; + } else if (server && cvs != null) { + if (st.hasMoreTokens()) { + serverVersion = st.nextToken() + cvs; + } + server = false; + cvs = null; + } else if (currentToken.equals("(client/server)") + && cvs != null && cachedVersion != null + && !client && !server) { + client = server = true; + clientVersion = serverVersion = cachedVersion + cvs; + cachedVersion = cvs = null; + } + } + if (clientVersionProperty != null) { + getProject().setNewProperty(clientVersionProperty, clientVersion); + } + if (serverVersionProperty != null) { + getProject().setNewProperty(serverVersionProperty, serverVersion); + } + } +} |