/*******************************************************************************
 * Copyright (c) 2010 György Orosz.
 * 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:
 *     György Orosz - initial API and implementation
 ******************************************************************************/
package org.erlide.wrangler.refactoring.backend.internal;

import org.erlide.wrangler.refactoring.Activator;
import org.erlide.wrangler.refactoring.backend.WranglerSyntaxBackend;

/**
 * Stores Erlide backends for wrangler , and has interface to access them
 *
 * @author Gyorgy Orosz
 * @version %I%, %G%
 */
public class WranglerBackendManager {
    static WranglerRefactoringBackend refactoringBackend = null;
    static WranglerSyntaxBackend syntaxBackend = null;

    /**
     * Returns an Erlide backend which is used to run Wrangler refactorings
     *
     * @return Erlide backend
     */
    public static WranglerRefactoringBackend getRefactoringBackend() {
        if (refactoringBackend == null) {
            refactoringBackend = new WranglerRefactoringBackend(
                    Activator.getDefault().getBackend());
        }
        return refactoringBackend;
    }

    /**
     * Returns an Erlide backend which is used for sending syntax RPCs
     *
     * @return Erlide backend
     */
    public static WranglerSyntaxBackend getSyntaxBackend() {
        if (syntaxBackend == null) {
            syntaxBackend = new WranglerSyntaxBackend(
                    Activator.getDefault().getBackend());
        }
        return syntaxBackend;
    }
}