/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.ws.tools.ant;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.util.StringTokenizer;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.types.Path;
/**
* An Ant task that writes a given path element to a file, so that
* it can be easily imported by other build files.
*
* @author alessio.soldano@jboss.com
* @since 13-Mar-2008
*/
public class PathWriterTask extends Task
{
private String pathId;
private String outputFile;
private String variables; //to perform path substitution, i.e. jboss.home <--> /dati/jboss-4.2.3.GA
@Override
public void execute() throws BuildException
{
Project project = getProject();
Path path = (Path)project.getReference(pathId);
String[] pathElements = path.list();
try
{
StringBuffer sb = new StringBuffer();
generateContent(sb, pathElements);
BufferedWriter out = new BufferedWriter(new FileWriter(new File(outputFile)));
out.write(sb.toString());
out.close();
}
catch (Exception e)
{
e.printStackTrace();
throw new BuildException(e);
}
}
private void generateContent(StringBuffer sb, String[] libs)
{
sb.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
sb.append("<project>\n");
sb.append("<path id=\"");
sb.append(pathId);
sb.append("\">");
for (int i = 0; i < libs.length; i++)
{
sb.append("<pathelement location=\"");
sb.append(getPath(libs[i]));
sb.append("\"/>\n");
}
sb.append("</path>");
sb.append("</project>\n");
}
private String getPath(String absolutePath)
{
StringTokenizer st = new StringTokenizer(variables, ";:, ", false);
while (st.hasMoreTokens())
{
String v = st.nextToken();
String value = getProject().getProperty(v);
if (absolutePath.contains(value))
{
int begin = absolutePath.indexOf(value);
int end = begin + value.length();
absolutePath = absolutePath.substring(0, begin) + "${" + v + "}" + absolutePath.substring(end);
}
}
return absolutePath;
}
public void setPathId(String pathId)
{
this.pathId = pathId;
}
public void setOutputFile(String outputFile)
{
this.outputFile = outputFile;
}
public void setVariables(String variables)
{
this.variables = variables;
}
}