CommonImportedNamespaceAwareLocalScopeProvider.java

/**
 * Copyright (c) 2011 - 2015, Lunifera GmbH (Gross Enzersdorf), Loetz KG (Heidelberg)
 * 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
 *
 * Contributors:
 *         Florian Pirchner - Initial implementation
 */
package org.lunifera.dsl.common.xtext.scope;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.emf.ecore.EObject;
import org.eclipse.xtext.naming.IQualifiedNameConverter;
import org.eclipse.xtext.naming.QualifiedName;
import org.eclipse.xtext.scoping.impl.ImportNormalizer;
import org.lunifera.dsl.common.xtext.extensions.ModelExtensions;
import org.lunifera.dsl.semantic.common.types.LPackage;
import org.lunifera.dsl.semantic.common.types.LType;
import org.lunifera.dsl.xtext.lazyresolver.scoping.FastImportedNamespaceAwareLocalScopeProvider;

import com.google.inject.Inject;

public class CommonImportedNamespaceAwareLocalScopeProvider extends
		FastImportedNamespaceAwareLocalScopeProvider {
 
	@Inject
	private IQualifiedNameConverter qualifiedNameConverter;
	@Inject
	private ModelExtensions extensions;

	@Override
	protected List<ImportNormalizer> getImplicitImports(boolean ignoreCase) {
		List<ImportNormalizer> temp = new ArrayList<ImportNormalizer>();
		temp.add(new ImportNormalizer(qualifiedNameConverter
				.toQualifiedName("java.lang"), true, ignoreCase));
		temp.add(new ImportNormalizer(qualifiedNameConverter
				.toQualifiedName("java.util"), true, ignoreCase));
		return temp;
	}

	@Override
	protected List<ImportNormalizer> internalGetImportedNamespaceResolvers(
			EObject context, boolean ignoreCase) {
		List<ImportNormalizer> result = new ArrayList<ImportNormalizer>();
		result.addAll(super.internalGetImportedNamespaceResolvers(context,
				ignoreCase));
		if (context instanceof LType) {
			LPackage lPackage = extensions.getPackage(((LType) context));
			if (lPackage != null) {
				QualifiedName qfn = getQualifiedNameProvider()
						.getFullyQualifiedName(lPackage);
				if (qfn != null) {
					result.add(createImportedNamespaceResolver(
							qualifiedNameConverter.toString(qfn) + ".*",
							ignoreCase));
				}
			}
		}
		return result;
	}
}