/*
 * Copyright (c) 2010, grossmann
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * * Neither the name of the jo-widgets.org nor the
 *   names of its contributors may be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL jo-widgets.org BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */

package org.jowidgets.workbench.toolkit.api;

import org.jowidgets.util.Assert;
import org.jowidgets.workbench.api.IComponent;
import org.jowidgets.workbench.toolkit.impl.DefaultWorkbenchToolkit;

public final class WorkbenchToolkit {

    private static IWorkbenchToolkit workbenchToolkit;

    private WorkbenchToolkit() {}

    public static void initialize(final IWorkbenchToolkit workbenchToolkit) {
        Assert.paramNotNull(workbenchToolkit, "workbenchTools");
        if (WorkbenchToolkit.workbenchToolkit != null) {
            throw new IllegalStateException("Workbench toolkit is already initialized");
        }
        WorkbenchToolkit.workbenchToolkit = workbenchToolkit;
    }

    public static boolean isInitialized() {
        return workbenchToolkit != null;
    }

    public static synchronized IWorkbenchToolkit getInstance() {
        if (workbenchToolkit == null) {
            workbenchToolkit = new DefaultWorkbenchToolkit();
        }
        return workbenchToolkit;
    }

    public static ILayoutBuilderFactory getLayoutBuilderFactory() {
        return getInstance().getLayoutBuilderFactory();
    }

    public static IWorkbenchPartBuilderFactory getWorkbenchPartBuilderFactory() {
        return getInstance().getWorkbenchPartBuilderFactory();
    }

    public static IWorkbenchPartFactory getWorkbenchPartFactory() {
        return getInstance().getWorkbenchPartFactory();
    }

    public static IComponentFactory createComponentFactory(final Class<? extends IComponent> componentType) {
        return getInstance().createComponentFactory(componentType);
    }

}