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Visual Reflection Library
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/* 
 * SessionInitializerGroup.java
 * 
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2009–2015 Steinbeis Forschungszentrum (STZ Ölbronn),
 * Copyright (c) 2007–2017 by Michael Hoffer
 * 
 * This file is part of Visual Reflection Library (VRL).
 *
 * VRL is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.
 * 
 * see: http://opensource.org/licenses/LGPL-3.0
 *      file://path/to/VRL/src/eu/mihosoft/vrl/resources/license/lgplv3.txt
 *
 * VRL 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 Lesser General Public License for more details.
 *
 * This version of VRL includes copyright notice and attribution requirements.
 * According to the LGPL this information must be displayed even if you modify
 * the source code of VRL. Neither the VRL Canvas attribution icon nor any
 * copyright statement/attribution may be removed.
 *
 * Attribution Requirements:
 *
 * If you create derived work you must do three things regarding copyright
 * notice and author attribution.
 *
 * First, the following text must be displayed on the Canvas:
 * "based on VRL source code". In this case the VRL canvas icon must be removed.
 * 
 * Second, the copyright notice must remain. It must be reproduced in any
 * program that uses VRL.
 *
 * Third, add an additional notice, stating that you modified VRL. A suitable
 * notice might read
 * "VRL source code modified by YourName 2012".
 * 
 * Note, that these requirements are in full accordance with the LGPL v3
 * (see 7. Additional Terms, b).
 *
 * Please cite the publication(s) listed below.
 *
 * Publications:
 *
 * M. Hoffer, C. Poliwoda, & G. Wittum. (2013). Visual reflection library:
 * a framework for declarative GUI programming on the Java platform.
 * Computing and Visualization in Science, 2013, 16(4),
 * 181–192. http://doi.org/10.1007/s00791-014-0230-y
 */

package eu.mihosoft.vrl.reflection;

import eu.mihosoft.vrl.io.vrlx.SessionInitializer;
import eu.mihosoft.vrl.visual.Canvas;
import java.util.ArrayList;
import java.util.HashSet;

/**
 *
 * @author Michael Hoffer <[email protected]>
 */
public class SessionInitializerGroup implements SessionInitializer {

    private HashSet sessionInitializers =
            new HashSet();

    @Override
    public void preInit(Canvas canvas) throws Exception {
        for (SessionInitializer sI : sessionInitializers) {
            sI.preInit(canvas);
        }
    }

    @Override
    public void codesLoaded(Canvas canvas) throws Exception {
        for (SessionInitializer sI : sessionInitializers) {
            sI.codesLoaded(canvas);
        }
    }

    @Override
    public void postInit(Canvas canvas) throws Exception {
        for (SessionInitializer sI : sessionInitializers) {
            sI.postInit(canvas);
        }
    }

    @Override
    public void dispose(Canvas canvas) throws Exception {
        for (SessionInitializer sI : sessionInitializers) {
            sI.dispose(canvas);
        }
    }

    @Override
    public void preSave(Canvas canvas) throws Exception {
        for (SessionInitializer sI : sessionInitializers) {
            sI.preSave(canvas);
        }
    }

    @Override
    public void postSave(Canvas canvas) throws Exception {
        for (SessionInitializer sI : sessionInitializers) {
            sI.postSave(canvas);
        }
    }

    public void addSessionInitializer(SessionInitializer sI) {
        sessionInitializers.add(sI);
    }

    public boolean removeSessionInitializer(SessionInitializer sI) {
        return sessionInitializers.remove(sI);
    }
}