/**
* Copyright (C) 2005 - 2014 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.plugin.jdt.project.classpath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpression;
import org.eclim.Services;
import org.eclim.plugin.core.util.XmlUtils;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.jdt.core.JavaCore;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
/**
* Implementation of {@link Parser} for parsing an
* <a href="http://ant.apache.org/ivy/">ivy.xml</a> file.
*
* @author Eric Van Dewoestine
*/
public class IvyParser
extends AbstractXmlParser
{
private static final String IVY_REPO = "IVY_REPO";
private static final String ORG = "org";
private static final String NAME = "name";
private static final String REVISION = "rev";
private static XPathExpression xpath;
@Override
public String getClasspathVar()
{
return IVY_REPO;
}
@Override
public Dependency[] parse(Document document)
throws Exception
{
if(xpath == null){
xpath = XmlUtils.createXPathExpression(
"/ivy-module/dependencies/dependency");
}
if(JavaCore.getClasspathVariable(IVY_REPO) == null){
throw new IllegalStateException(
Services.getMessage("ivy.repo.not.set", IVY_REPO));
}
IPath path = new Path(IVY_REPO);
NodeList results = (NodeList)
xpath.evaluate(document, XPathConstants.NODESET);
Dependency[] dependencies = new Dependency[results.getLength()];
for(int ii = 0; ii < results.getLength(); ii++){
Element element = (Element)results.item(ii);
dependencies[ii] = new IvyDependency(
element.getAttribute(ORG),
element.getAttribute(NAME),
element.getAttribute(REVISION),
path);
dependencies[ii].setVariable(true);
}
return dependencies;
}
}