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TemplateAntTask.java
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/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2002 The Apache Software Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowlegement: "This product includes software
* developed by the Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself, if and
* wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Ant", and "Apache Software Foundation"
* must not be used to endorse or promote products derived from this software
* without prior written permission. For written permission, please contact
* apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache" nor may
* "Apache" appear in their names without prior written permission of the Apache
* Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE APACHE
* SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many individuals on
* behalf of the Apache Software Foundation. For more information on the Apache
* Software Foundation, please see <http://www.apache.org/>.
*/
package org.python.util;
import org.apache.tools.ant.taskdefs.MatchingTask;
import org.apache.tools.ant.taskdefs.Execute;
import org.apache.tools.ant.BuildException;
import java.io.File;
import java.io.IOException;
/**
* Template is an Ant task for generating new-style object definitions based on
* template files. These template files come in two flavors; *.expose and
* *.derived, both are supported by this task.
*
* @author Matt Small - msmall@activegrid.com
* @version 1.0
*/
public class TemplateAntTask extends MatchingTask {
/**
* Specifies the Python interpreter.
*/
protected String python;
/**
* Specifies the Python interpreter.
*/
public void setPython(String aPE) {
python = aPE;
}
/**
* Source paths.
*/
private File srcDir;
/**
* Source paths.
*/
public void setSrcdir(String in) {
srcDir = new File(getProject().replaceProperties(in));
}
/**
* Verbose flag.
*/
protected boolean verbose = false;
/**
* Verbose flag.
*/
public void setVerbose(String in) {
verbose = (Boolean.valueOf(getProject().replaceProperties(in))).booleanValue();
}
/**
* Lazy flag.
*/
protected boolean lazy = false;
/**
* Lazy flag.
*/
public void setLazy(String in) {
lazy = (Boolean.valueOf(getProject().replaceProperties(in))).booleanValue();
}
public void execute() {
if(null == srcDir) {
throw new BuildException("no srcdir specified");
} else if(!srcDir.exists()) {
throw new BuildException("srcdir '" + srcDir + "' doesn't exist");
}
File gexposeScript = new File(srcDir.getAbsolutePath() + File.separator
+ "gexpose.py");
File gderiveScript = new File(srcDir.getAbsolutePath() + File.separator
+ "gderived.py");
if(!gexposeScript.exists()) {
throw new BuildException("no gexpose.py script found at: "
+ gexposeScript);
}
if(!gderiveScript.exists()) {
throw new BuildException("no gderive.py script found at: "
+ gderiveScript);
}
runPythonScript(gexposeScript.getAbsolutePath());
runPythonScript(gderiveScript.getAbsolutePath());
}
private void runPythonScript(String script) throws BuildException {
if(null == python) {
python = "python";
}
Execute e = new Execute();
e.setWorkingDirectory(srcDir);
String[] command;
if(lazy) {
command = new String[] {python, script, "--lazy"};
} else {
command = new String[] {python, script};
}
e.setCommandline(command);
if(verbose) {
String out = "";
for(int k = 0; k < e.getCommandline().length; k++) {
out += (e.getCommandline()[k] + " ");
}
log("executing: " + out);
}
try {
e.execute();
} catch(IOException e2) {
throw new BuildException(e2.toString(), e2);
}
}
}