/*
* 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.optional;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintStream;
import java.util.Enumeration;
import java.util.Vector;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.util.FileUtils;
import org.apache.tools.ant.taskdefs.Execute;
import org.apache.tools.ant.taskdefs.ExecuteStreamHandler;
import org.apache.tools.ant.taskdefs.LogOutputStream;
import org.apache.tools.ant.taskdefs.LogStreamHandler;
import org.apache.tools.ant.taskdefs.PumpStreamHandler;
import org.apache.tools.ant.taskdefs.condition.Os;
import org.apache.tools.ant.types.Commandline;
import org.apache.tools.ant.types.Path;
/**
* Invokes the rpm tool to build a Linux installation file.
*
*/
public class Rpm extends Task {
private static final String PATH1 = "PATH=";
private static final String PATH2 = "Path=";
private static final String PATH3 = "path=";
private static final int PATH_LEN = PATH1.length();
/**
* the spec file
*/
private String specFile;
/**
* the rpm top dir
*/
private File topDir;
/**
* the rpm command to use
*/
private String command = "-bb";
/**
* The executable to use for building the packages.
* @since Ant 1.6
*/
private String rpmBuildCommand = null;
/**
* clean BUILD directory
*/
private boolean cleanBuildDir = false;
/**
* remove spec file
*/
private boolean removeSpec = false;
/**
* remove sources
*/
private boolean removeSource = false;
/**
* the file to direct standard output from the command
*/
private File output;
/**
* the file to direct standard error from the command
*/
private File error;
/**
* Halt on error return value from rpm build.
*/
private boolean failOnError = false;
/**
* Don't show output of RPM build command on console. This does not affect
* the printing of output and error messages to files.
*/
private boolean quiet = false;
/**
* Execute the task
*
* @throws BuildException is there is a problem in the task execution.
*/
public void execute() throws BuildException {
Commandline toExecute = new Commandline();
toExecute.setExecutable(rpmBuildCommand == null
? guessRpmBuildCommand()
: rpmBuildCommand);
if (topDir != null) {
toExecute.createArgument().setValue("--define");
toExecute.createArgument().setValue("_topdir" + topDir);
}
toExecute.createArgument().setLine(command);
if (cleanBuildDir) {
toExecute.createArgument().setValue("--clean");
}
if (removeSpec) {
toExecute.createArgument().setValue("--rmspec");
}
if (removeSource) {
toExecute.createArgument().setValue("--rmsource");
}
toExecute.createArgument().setValue("SPECS/" + specFile);
ExecuteStreamHandler streamhandler = null;
OutputStream outputstream = null;
OutputStream errorstream = null;
if (error == null && output == null) {
if (!quiet) {
streamhandler = new LogStreamHandler(this, Project.MSG_INFO,
Project.MSG_WARN);
} else {
streamhandler = new LogStreamHandler(this, Project.MSG_DEBUG,
Project.MSG_DEBUG);
}
} else {
if (output != null) {
try {
BufferedOutputStream bos
= new BufferedOutputStream(new FileOutputStream(output));
outputstream = new PrintStream(bos);
} catch (IOException e) {
throw new BuildException(e, getLocation());
}
} else if (!quiet) {
outputstream = new LogOutputStream(this, Project.MSG_INFO);
} else {
outputstream = new LogOutputStream(this, Project.MSG_DEBUG);
}
if (error != null) {
try {
BufferedOutputStream bos
= new BufferedOutputStream(new FileOutputStream(error));
errorstream = new PrintStream(bos);
} catch (IOException e) {
throw new BuildException(e, getLocation());
}
} else if (!quiet) {
errorstream = new LogOutputStream(this, Project.MSG_WARN);
} else {
errorstream = new LogOutputStream(this, Project.MSG_DEBUG);
}
streamhandler = new PumpStreamHandler(outputstream, errorstream);
}
Execute exe = getExecute(toExecute, streamhandler);
try {
log("Building the RPM based on the " + specFile + " file");
int returncode = exe.execute();
if (Execute.isFailure(returncode)) {
String msg = "'" + toExecute.getExecutable()
+ "' failed with exit code " + returncode;
if (failOnError) {
throw new BuildException(msg);
} else {
log(msg, Project.MSG_ERR);
}
}
} catch (IOException e) {
throw new BuildException(e, getLocation());
} finally {
FileUtils.close(outputstream);
FileUtils.close(errorstream);
}
}
/**
* The directory which will have the expected
* subdirectories, SPECS, SOURCES, BUILD, SRPMS ; optional.
* If this isn't specified,
* the <tt>baseDir</tt> value is used
*
* @param td the directory containing the normal RPM directories.
*/
public void setTopDir(File td) {
this.topDir = td;
}
/**
* What command to issue to the rpm build tool; optional.
* The default is "-bb"
* @param c the command to use.
*/
public void setCommand(String c) {
this.command = c;
}
/**
* The name of the spec File to use; required.
* @param sf the spec file name to use.
*/
public void setSpecFile(String sf) {
if ((sf == null) || (sf.trim().equals(""))) {
throw new BuildException("You must specify a spec file", getLocation());
}
this.specFile = sf;
}
/**
* Flag (optional, default=false) to remove
* the generated files in the BUILD directory
* @param cbd a <code>boolean</code> value.
*/
public void setCleanBuildDir(boolean cbd) {
cleanBuildDir = cbd;
}
/**
* Flag (optional, default=false) to remove the spec file from SPECS
* @param rs a <code>boolean</code> value.
*/
public void setRemoveSpec(boolean rs) {
removeSpec = rs;
}
/**
* Flag (optional, default=false)
* to remove the sources after the build.
* See the <tt>--rmsource</tt> option of rpmbuild.
* @param rs a <code>boolean</code> value.
*/
public void setRemoveSource(boolean rs) {
removeSource = rs;
}
/**
* Optional file to save stdout to.
* @param output the file to save stdout to.
*/
public void setOutput(File output) {
this.output = output;
}
/**
* Optional file to save stderr to
* @param error the file to save error output to.
*/
public void setError(File error) {
this.error = error;
}
/**
* The executable to run when building; optional.
* The default is <code>rpmbuild</code>.
*
* @since Ant 1.6
* @param c the rpm build executable
*/
public void setRpmBuildCommand(String c) {
this.rpmBuildCommand = c;
}
/**
* If <code>true</code>, stop the build process when the rpmbuild command
* exits with an error status.
* @param value <code>true</code> if it should halt, otherwise
* <code>false</code>. The default is <code>false</code>.
*
* @since Ant 1.6.3
*/
public void setFailOnError(boolean value) {
failOnError = value;
}
/**
* If true, output from the RPM build command will only be logged to DEBUG.
* @param value <code>false</code> if output should be logged, otherwise
* <code>true</code>. The default is <code>false</code>.
*
* @since Ant 1.6.3
*/
public void setQuiet(boolean value) {
quiet = value;
}
/**
* Checks whether <code>rpmbuild</code> is on the PATH and returns
* the absolute path to it - falls back to <code>rpm</code>
* otherwise.
*
* @return the command used to build RPM's
*
* @since 1.6
*/
protected String guessRpmBuildCommand() {
Vector env = Execute.getProcEnvironment();
String path = null;
for (Enumeration e = env.elements(); e.hasMoreElements();) {
String var = (String) e.nextElement();
if (var.startsWith(PATH1) || var.startsWith(PATH2) || var.startsWith(PATH3)) {
path = var.substring(PATH_LEN);
break;
}
}
if (path != null) {
Path p = new Path(getProject(), path);
String[] pElements = p.list();
for (int i = 0; i < pElements.length; i++) {
File f = new File(pElements[i],
"rpmbuild"
+ (Os.isFamily("dos") ? ".exe" : ""));
if (f.canRead()) {
return f.getAbsolutePath();
}
}
}
return "rpm";
}
/**
* Get the execute object.
* @param toExecute the command line to use.
* @param streamhandler the stream handler to use.
* @return the execute object.
* @since Ant 1.6.3
*/
protected Execute getExecute(Commandline toExecute,
ExecuteStreamHandler streamhandler) {
Execute exe = new Execute(streamhandler, null);
exe.setAntRun(getProject());
if (topDir == null) {
topDir = getProject().getBaseDir();
}
exe.setWorkingDirectory(topDir);
exe.setCommandline(toExecute.getCommandline());
return exe;
}
}
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