org.eclipse.osbp.xtext.oxtype/src/org/eclipse/osbp/xtext/oxtype/imports/EObjectJvmLinkUsage.java

/*******************************************************************************
 * Copyright (c) 2011 itemis AG (http://www.itemis.eu) 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 org.eclipse.osbp.xtext.oxtype.imports;

import org.eclipse.emf.ecore.EClassifier;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.xtext.common.types.JvmType;
import org.eclipse.xtext.common.types.TypesPackage;
import org.eclipse.xtext.naming.QualifiedName;
import org.eclipse.xtext.util.ITextRegion;

public class EObjectJvmLinkUsage {

	private EObjectUsage parent;
	private String crossRefString;
	private ITextRegion textRegion;
	private EObject context;
	private JvmType resolvedJvmType;

	public EObjectJvmLinkUsage(EObjectUsage parent, String crossRefString,
			ITextRegion textRegion, EObject context) {
		this.parent = parent;
		this.crossRefString = crossRefString;
		this.textRegion = textRegion;
		this.context = context;
	}

	public EObjectJvmLinkUsage(EObjectUsage parent, JvmType jvmType,
			ITextRegion textRegion, EObject context) {
		this.parent = parent;
		this.resolvedJvmType = jvmType;
		this.textRegion = textRegion;
		this.context = context;
	}

	public EObjectUsage getParent() {
		return parent;
	}

	public JvmType getUsedType() {
		return resolvedJvmType;
	}

	public String getCrossReferenceString() {
		return crossRefString;
	}

	/**
	 * Only works, if parent {@link EObjectUsage} was resolved properly.
	 * 
	 * @return
	 */
	public QualifiedName getTypeQualifiedName() {

		return parent.isResolved() ? parent.getTypeQualifiedName().skipLast(1)
				.append(crossRefString) : null;
	}

	public ITextRegion getTextRegion() {
		return textRegion;
	}

	public EObject getContext() {
		return context;
	}

	public String getContextPackageName() {
		return getPackageName(context);
	}

	public EClassifier getType() {
		return TypesPackage.Literals.JVM_TYPE;
	}

	public EReference getReference() {
		return TypesPackage.Literals.JVM_PARAMETERIZED_TYPE_REFERENCE__TYPE;
	}

	protected String getPackageName(EObject context) {
		return null;
	}

}