/*
* Copyright (C) 2004 TiongHiang Lee
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Email: thlee@onemindsoft.org
*/
package org.onemind.jxp.ant;
import java.io.*;
import java.util.HashMap;
import java.util.Map;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Task;
import org.onemind.jxp.*;
public class JxpAntTask extends Task
{
private StringBuffer _script;
private String _scriptPath;
private MultiSourcePageSource _rootSource;
private ByteArrayPageSource _bufferedPageSource;
public JxpAntTask()
{
//set up the page source
setTaskName("jxp");
_rootSource = new MultiSourcePageSource();
_bufferedPageSource = new ByteArrayPageSource();
_rootSource.addPageSource(new ResourceStreamPageSource("/org/onemind/jxp/ant"));
_rootSource.addPageSource(_bufferedPageSource);
_script = new StringBuffer();
}
public void setScriptPath(String scriptPath)
{
_scriptPath = scriptPath;
}
public void addText(String text)
{
_script.append(text);
}
public void execute() throws BuildException
{
if (_script == null)
{
throw new IllegalArgumentException("No script has been written in the task context");
}
FilePageSource ps = null;
if (_scriptPath != null)
{
ps = new FilePageSource(_scriptPath);
} else
{
ps = new FilePageSource("."); //current directory
}
_rootSource.addPageSource(ps);
Map env = new HashMap();
env.putAll(project.getProperties());
env.put("project", super.getProject());
env.put("location", super.getLocation());
env.put("description", super.getDescription());
env.put("target", super.getOwningTarget());
env.put("taskname", super.getTaskName());
JxpProcessor processor = new JxpProcessor(new JxpContext(_rootSource, env));
_script.insert(0, "<%");
_script.append("%>");
_bufferedPageSource.putPageBuffer(getTaskName(), _script.toString().getBytes());
Writer w = new PrintWriter(new OutputStreamWriter(System.out));
try
{
processor.process(getTaskName(), w);
w.flush();
} catch (Exception e)
{
e.printStackTrace();
throw new BuildException(e);
} finally
{
_rootSource.removePageSource(ps);
}
}
}