/**
* Copyright (C) 2012 Eric Van Dewoestine
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.eclim.installer.ant;
import java.io.File;
import java.io.FilenameFilter;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.ProjectComponent;
import org.apache.tools.ant.taskdefs.condition.Condition;
import org.eclim.installer.step.EclipseInfo;
import org.formic.Installer;
/**
* Condition to test if a given eclipse feature is installed.
*
* @author Eric Van Dewoestine
*/
public class IsInstalled
extends ProjectComponent
implements Condition
{
private String feature;
public boolean eval()
throws BuildException
{
if (feature == null) {
throw new BuildException("Attribute 'feature' must be set.");
}
EclipseInfo info = (EclipseInfo)
Installer.getContext().getValue("eclipse.info");
if (info != null && info.hasFeature(feature)){
return true;
}
Project project = Installer.getProject();
String[] names = new File(project.replaceProperties("${eclipse.local}/features"))
.list(new FilenameFilter(){
public boolean accept(File dir, String name){
return name.startsWith(feature + "_");
}
});
return names != null && names.length > 0;
}
public void setFeature(String feature)
{
this.feature = feature;
}
}