/*******************************************************************************
* Copyright (c) 2013 Rene Schneider, GEBIT Solutions GmbH and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*******************************************************************************/
package de.gebit.integrity.utils;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.xtext.nodemodel.ICompositeNode;
import org.eclipse.xtext.nodemodel.INode;
import org.eclipse.xtext.nodemodel.util.NodeModelUtils;
/**
* This utility class contains helper methods for various tasks of determining information about the Integrity model
* source files.
*
* @author Rene Schneider - initial API and implementation
*
*/
public final class ModelSourceUtil {
private ModelSourceUtil() {
// private constructor
}
/**
* Finds the path to the source file in which the given {@link EObject} is defined.
*
* @param anObject
* the object
* @return the path or null if not determinable
*/
public static String getSourceFilePathForEObject(EObject anObject) {
ICompositeNode tempNode = NodeModelUtils.getNode(anObject);
if (tempNode != null) {
return getSourceFilePathForINode(tempNode);
}
return null;
}
/**
* Finds the path to the source file in which the given {@link INode} is defined.
*
* @param aNode
* the node
* @return the path
*/
public static String getSourceFilePathForINode(INode aNode) {
String tempResource = aNode.getRootNode().getSemanticElement().eResource().getURI().toString();
String tempUndesiredPrefix = "platform:/resource/";
if (tempResource.startsWith(tempUndesiredPrefix)) {
return tempResource.substring(tempUndesiredPrefix.length());
} else {
return tempResource;
}
}
}