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/* |
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* Copyright 2005 The Apache Software Foundation |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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*/ |
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package org.apache.tools.ant.taskdefs.svn; |
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import java.io.BufferedOutputStream; |
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import java.io.File; |
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import java.io.FileOutputStream; |
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import java.io.IOException; |
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import java.io.OutputStream; |
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import java.io.PrintStream; |
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import java.util.Vector; |
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import org.apache.tools.ant.BuildException; |
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import org.apache.tools.ant.Project; |
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import org.apache.tools.ant.Task; |
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import org.apache.tools.ant.taskdefs.Execute; |
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import org.apache.tools.ant.taskdefs.ExecuteStreamHandler; |
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import org.apache.tools.ant.taskdefs.LogOutputStream; |
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import org.apache.tools.ant.taskdefs.PumpStreamHandler; |
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import org.apache.tools.ant.types.Commandline; |
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import org.apache.tools.ant.types.Environment; |
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import org.apache.tools.ant.util.StringUtils; |
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/** |
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* Just like Ant's built-in CVS task, the main loginc lives in this |
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* abstract task. |
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*/ |
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public abstract class AbstractSvnTask extends Task { |
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private Commandline cmd = new Commandline(); |
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/** list of Commandline children */ |
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private Vector vecCommandlines = new Vector(); |
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/** |
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* the URL the subcommand should apply to. |
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*/ |
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private String svnURL; |
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/** |
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* the revision |
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*/ |
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private String revision; |
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/** |
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* the default command. |
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*/ |
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private static final String DEFAULT_SUBCOMMAND = "checkout"; |
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/** |
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* the SVN command to execute. |
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*/ |
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private String subCommand = null; |
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/** |
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* suppress information messages. |
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*/ |
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private boolean quiet = false; |
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/** |
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* report only, don't change any files. |
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*/ |
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private boolean dryrun = false; |
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/** |
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* the directory where the checked out files should be placed. |
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*/ |
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private File dest; |
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/** whether or not to append stdout/stderr to existing files */ |
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private boolean append = false; |
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/** |
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* the file to direct standard output from the command. |
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*/ |
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private File output; |
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/** |
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* the file to direct standard error from the command. |
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*/ |
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private File error; |
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/** |
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* If true it will stop the build if svn exits with error. |
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* Default is false. (Iulian) |
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*/ |
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private boolean failOnError = false; |
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/** |
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* Create accessors for the following, to allow different handling of |
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* the output. |
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*/ |
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private ExecuteStreamHandler executeStreamHandler; |
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private OutputStream outputStream; |
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private OutputStream errorStream; |
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/** empty no-arg constructor*/ |
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public AbstractSvnTask() { |
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super(); |
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} |
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/** |
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* sets the handler |
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* @param handler a handler able of processing the output and error streams from the svn exe |
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*/ |
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public void setExecuteStreamHandler(ExecuteStreamHandler handler) { |
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this.executeStreamHandler = handler; |
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} |
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/** |
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* find the handler and instantiate it if it does not exist yet |
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* @return handler for output and error streams |
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*/ |
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protected ExecuteStreamHandler getExecuteStreamHandler() { |
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if (this.executeStreamHandler == null) { |
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setExecuteStreamHandler(new PumpStreamHandler(getOutputStream(), |
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getErrorStream())); |
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} |
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return this.executeStreamHandler; |
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} |
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/** |
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* sets a stream to which the output from the svn executable should be sent |
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* @param outputStream stream to which the stdout from svn should go |
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*/ |
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protected void setOutputStream(OutputStream outputStream) { |
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this.outputStream = outputStream; |
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} |
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/** |
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* access the stream to which the stdout from svn should go |
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* if this stream has already been set, it will be returned |
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* if the stream has not yet been set, if the attribute output |
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* has been set, the output stream will go to the output file |
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* otherwise the output will go to ant's logging system |
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* @return output stream to which svn' stdout should go to |
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*/ |
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protected OutputStream getOutputStream() { |
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if (this.outputStream == null) { |
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if (output != null) { |
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try { |
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setOutputStream(new PrintStream( |
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new BufferedOutputStream( |
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new FileOutputStream(output |
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.getPath(), |
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append)))); |
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} catch (IOException e) { |
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throw new BuildException(e, getLocation()); |
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} |
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} else { |
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setOutputStream(new LogOutputStream(this, Project.MSG_INFO)); |
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} |
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} |
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return this.outputStream; |
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} |
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/** |
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* sets a stream to which the stderr from the svn exe should go |
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* @param errorStream an output stream willing to process stderr |
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*/ |
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protected void setErrorStream(OutputStream errorStream) { |
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this.errorStream = errorStream; |
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} |
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/** |
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* access the stream to which the stderr from svn should go |
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* if this stream has already been set, it will be returned |
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* if the stream has not yet been set, if the attribute error |
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* has been set, the output stream will go to the file denoted by the error attribute |
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* otherwise the stderr output will go to ant's logging system |
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* @return output stream to which svn' stderr should go to |
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*/ |
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protected OutputStream getErrorStream() { |
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if (this.errorStream == null) { |
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if (error != null) { |
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try { |
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setErrorStream(new PrintStream( |
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new BufferedOutputStream( |
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new FileOutputStream(error.getPath(), |
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append)))); |
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} catch (IOException e) { |
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throw new BuildException(e, getLocation()); |
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} |
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} else { |
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setErrorStream(new LogOutputStream(this, Project.MSG_WARN)); |
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} |
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} |
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return this.errorStream; |
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} |
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/** |
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* Sets up the environment for toExecute and then runs it. |
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* @param toExecute the command line to execute |
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* @throws BuildException if failonError is set to true and the svn command fails |
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*/ |
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protected void runCommand(Commandline toExecute) throws BuildException { |
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Environment env = new Environment(); |
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// |
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// Just call the getExecuteStreamHandler() and let it handle |
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// the semantics of instantiation or retrieval. |
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// |
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Execute exe = new Execute(getExecuteStreamHandler(), null); |
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exe.setAntRun(getProject()); |
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if (dest == null) { |
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dest = getProject().getBaseDir(); |
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} |
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if (!dest.exists()) { |
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dest.mkdirs(); |
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} |
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exe.setWorkingDirectory(dest); |
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exe.setCommandline(toExecute.getCommandline()); |
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exe.setEnvironment(env.getVariables()); |
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try { |
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String actualCommandLine = executeToString(exe); |
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log(actualCommandLine, Project.MSG_VERBOSE); |
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int retCode = exe.execute(); |
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log("retCode=" + retCode, Project.MSG_DEBUG); |
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/*Throw an exception if svn exited with error. (Iulian)*/ |
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if (failOnError && Execute.isFailure(retCode)) { |
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throw new BuildException("svn exited with error code " |
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+ retCode |
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+ StringUtils.LINE_SEP |
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+ "Command line was [" |
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+ actualCommandLine + "]", getLocation()); |
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} |
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} catch (IOException e) { |
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if (failOnError) { |
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throw new BuildException(e, getLocation()); |
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} else { |
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log("Caught exception: " + e.getMessage(), Project.MSG_WARN); |
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} |
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} catch (BuildException e) { |
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if (failOnError) { |
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throw(e); |
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} else { |
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Throwable t = e.getException(); |
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if (t == null) { |
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t = e; |
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} |
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log("Caught exception: " + t.getMessage(), Project.MSG_WARN); |
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} |
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} catch (Exception e) { |
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if (failOnError) { |
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throw new BuildException(e, getLocation()); |
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} else { |
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log("Caught exception: " + e.getMessage(), Project.MSG_WARN); |
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} |
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} |
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} |
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/** |
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* do the work |
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* @throws BuildException if failonerror is set to true and the svn command fails. |
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*/ |
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public void execute() throws BuildException { |
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String savedCommand = getSubCommand(); |
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if (this.getSubCommand() == null && vecCommandlines.size() == 0) { |
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// re-implement legacy behaviour: |
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this.setSubCommand(AbstractSvnTask.DEFAULT_SUBCOMMAND); |
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} |
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String c = this.getSubCommand(); |
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Commandline cloned = null; |
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if (c != null) { |
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cloned = (Commandline) cmd.clone(); |
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cloned.createArgument(true).setLine(c); |
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if (svnURL != null) { |
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cloned.createArgument().setValue(svnURL); |
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} |
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this.addConfiguredCommandline(cloned, true); |
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} |
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try { |
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for (int i = 0; i < vecCommandlines.size(); i++) { |
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this.runCommand((Commandline) vecCommandlines.elementAt(i)); |
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} |
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} finally { |
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if (cloned != null) { |
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removeCommandline(cloned); |
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} |
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setSubCommand(savedCommand); |
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if (outputStream != null) { |
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try { |
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outputStream.close(); |
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} catch (IOException e) { |
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//ignore |
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} |
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} |
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if (errorStream != null) { |
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try { |
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errorStream.close(); |
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} catch (IOException e) { |
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//ignore |
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} |
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} |
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} |
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} |
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private String executeToString(Execute execute) { |
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StringBuffer stringBuffer = |
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new StringBuffer(Commandline.describeCommand(execute |
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.getCommandline())); |
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String newLine = StringUtils.LINE_SEP; |
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String[] variableArray = execute.getEnvironment(); |
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if (variableArray != null) { |
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|
|
stringBuffer.append(newLine); |
|
|
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|
|
stringBuffer.append(newLine); |
|
|
|
|
|
stringBuffer.append("environment:"); |
|
|
|
|
|
stringBuffer.append(newLine); |
|
|
|
|
|
for (int z = 0; z < variableArray.length; z++) { |
|
|
|
|
|
stringBuffer.append(newLine); |
|
|
|
|
|
stringBuffer.append("\t"); |
|
|
|
|
|
stringBuffer.append(variableArray[z]); |
|
|
|
|
|
} |
|
|
|
|
|
} |
|
|
|
|
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|
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|
|
return stringBuffer.toString(); |
|
|
|
|
|
} |
|
|
|
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|
|
|
|
|
|
/** |
|
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|
|
* The URL the subcommand should apply to. |
|
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|
|
* |
|
|
|
|
|
* @param url the URL the subcommand should apply to. |
|
|
|
|
|
*/ |
|
|
|
|
|
public void setSvnURL(String url) { |
|
|
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|
|
|
|
|
|
|
|
// Check if not real svnroot => set it to null |
|
|
|
|
|
if (url != null) { |
|
|
|
|
|
if (url.trim().equals("")) { |
|
|
|
|
|
url = null; |
|
|
|
|
|
} |
|
|
|
|
|
} |
|
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|
|
this.svnURL = url; |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
|
* access the svnURL variable |
|
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|
|
* @return svnURL |
|
|
|
|
|
*/ |
|
|
|
|
|
public String getSvnURL() { |
|
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|
|
|
|
|
|
|
|
|
return this.svnURL; |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
|
* The directory where the checked out files should be placed. |
|
|
|
|
|
* |
|
|
|
|
|
* <p>Note that this is different from SVN's -d command line |
|
|
|
|
|
* switch as Ant will never shorten pathnames to avoid empty |
|
|
|
|
|
* directories.</p> |
|
|
|
|
|
* |
|
|
|
|
|
* @param dest directory where the checked out files should be placed |
|
|
|
|
|
*/ |
|
|
|
|
|
public void setDest(File dest) { |
|
|
|
|
|
this.dest = dest; |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
|
* get the file where the checked out files should be placed |
|
|
|
|
|
* |
|
|
|
|
|
* @return directory where the checked out files should be placed |
|
|
|
|
|
*/ |
|
|
|
|
|
public File getDest() { |
|
|
|
|
|
|
|
|
|
|
|
return this.dest; |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
|
* revision |
|
|
|
|
|
* @return revision |
|
|
|
|
|
*/ |
|
|
|
|
|
public String getRevision() { |
|
|
|
|
|
return revision; |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
|
* The revision to operate upon. |
|
|
|
|
|
* @param p revision |
|
|
|
|
|
*/ |
|
|
|
|
|
public void setRevision(String p) { |
|
|
|
|
|
// Check if not real revision => set it to null |
|
|
|
|
|
if (p != null && p.trim().length() > 0) { |
|
|
|
|
|
revision = p; |
|
|
|
|
|
addSubCommandArgument("--revision"); |
|
|
|
|
|
addSubCommandArgument(p); |
|
|
|
|
|
} |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
|
* This needs to be public to allow configuration |
|
|
|
|
|
* of commands externally. |
|
|
|
|
|
* @param arg command argument |
|
|
|
|
|
*/ |
|
|
|
|
|
public void addSubCommandArgument(String arg) { |
|
|
|
|
|
this.addSubCommandArgument(cmd, arg); |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
|
* This method adds a command line argument to an external subcommand. |
|
|
|
|
|
* |
|
|
|
|
|
* @param c command line to which one argument should be added |
|
|
|
|
|
* @param arg argument to add |
|
|
|
|
|
*/ |
|
|
|
|
|
protected void addSubCommandArgument(Commandline c, String arg) { |
|
|
|
|
|
c.createArgument().setValue(arg); |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
|
* The SVN command to execute. |
|
|
|
|
|
* |
|
|
|
|
|
* @param c a command as string |
|
|
|
|
|
*/ |
|
|
|
|
|
public void setSubCommand(String c) { |
|
|
|
|
|
this.subCommand = c; |
|
|
|
|
|
} |
|
|
|
|
|
/** |
|
|
|
|
|
* accessor to a command line as string |
|
|
|
|
|
* |
|
|
|
|
|
* @return command line as string |
|
|
|
|
|
*/ |
|
|
|
|
|
public String getSubCommand() { |
|
|
|
|
|
return this.subCommand; |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
|
* If true, suppress informational messages. |
|
|
|
|
|
* @param q if true, suppress informational messages |
|
|
|
|
|
*/ |
|
|
|
|
|
public void setQuiet(boolean q) { |
|
|
|
|
|
quiet = q; |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
|
* If true, report only and don't change any files. |
|
|
|
|
|
* |
|
|
|
|
|
* @param ne if true, report only and do not change any files. |
|
|
|
|
|
*/ |
|
|
|
|
|
public void setDryrun(boolean ne) { |
|
|
|
|
|
dryrun = ne; |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
|
* The file to direct standard output from the command. |
|
|
|
|
|
* @param output a file to which stdout should go |
|
|
|
|
|
*/ |
|
|
|
|
|
public void setOutput(File output) { |
|
|
|
|
|
this.output = output; |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
|
* The file to direct standard error from the command. |
|
|
|
|
|
* |
|
|
|
|
|
* @param error a file to which stderr should go |
|
|
|
|
|
*/ |
|
|
|
|
|
public void setError(File error) { |
|
|
|
|
|
this.error = error; |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
|
* Whether to append output/error when redirecting to a file. |
|
|
|
|
|
* @param value true indicated you want to append |
|
|
|
|
|
*/ |
|
|
|
|
|
public void setAppend(boolean value) { |
|
|
|
|
|
this.append = value; |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
|
* Stop the build process if the command exits with |
|
|
|
|
|
* a return code other than 0. |
|
|
|
|
|
* Defaults to false. |
|
|
|
|
|
* @param failOnError stop the build process if the command exits with |
|
|
|
|
|
* a return code other than 0 |
|
|
|
|
|
*/ |
|
|
|
|
|
public void setFailOnError(boolean failOnError) { |
|
|
|
|
|
this.failOnError = failOnError; |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
|
* Configure a commandline element for things like quiet, etc. |
|
|
|
|
|
* @param c the command line which will be configured |
|
|
|
|
|
* if the commandline is initially null, the function is a noop |
|
|
|
|
|
* otherwise the function append to the commandline arguments concerning |
|
|
|
|
|
* <ul> |
|
|
|
|
|
* <li> |
|
|
|
|
|
* svn |
|
|
|
|
|
* </li> |
|
|
|
|
|
* <li> |
|
|
|
|
|
* quiet |
|
|
|
|
|
* </li> |
|
|
|
|
|
* <li>svnroot</li> |
|
|
|
|
|
* <li>dryrun</li> |
|
|
|
|
|
* </ul> |
|
|
|
|
|
*/ |
|
|
|
|
|
protected void configureCommandline(Commandline c) { |
|
|
|
|
|
if (c == null) { |
|
|
|
|
|
return; |
|
|
|
|
|
} |
|
|
|
|
|
c.setExecutable("svn"); |
|
|
|
|
|
if (quiet) { |
|
|
|
|
|
c.createArgument(true).setValue("--quiet"); |
|
|
|
|
|
} |
|
|
|
|
|
if (dryrun) { |
|
|
|
|
|
c.createArgument(true).setValue("--dry-run"); |
|
|
|
|
|
} |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
|
* remove a particular command from a vector of command lines |
|
|
|
|
|
* @param c command line which should be removed |
|
|
|
|
|
*/ |
|
|
|
|
|
protected void removeCommandline(Commandline c) { |
|
|
|
|
|
vecCommandlines.removeElement(c); |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
|
* Adds direct command-line to execute. |
|
|
|
|
|
* @param c command line to execute |
|
|
|
|
|
*/ |
|
|
|
|
|
public void addConfiguredCommandline(Commandline c) { |
|
|
|
|
|
this.addConfiguredCommandline(c, false); |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
|
* Configures and adds the given Commandline. |
|
|
|
|
|
* @param c commandline to insert |
|
|
|
|
|
* @param insertAtStart If true, c is |
|
|
|
|
|
* inserted at the beginning of the vector of command lines |
|
|
|
|
|
*/ |
|
|
|
|
|
public void addConfiguredCommandline(Commandline c, |
|
|
|
|
|
boolean insertAtStart) { |
|
|
|
|
|
if (c == null) { |
|
|
|
|
|
return; |
|
|
|
|
|
} |
|
|
|
|
|
this.configureCommandline(c); |
|
|
|
|
|
if (insertAtStart) { |
|
|
|
|
|
vecCommandlines.insertElementAt(c, 0); |
|
|
|
|
|
} else { |
|
|
|
|
|
vecCommandlines.addElement(c); |
|
|
|
|
|
} |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
} |
Stefan Bodewig