org.objectstyle.wolips.jdt.PluginImages.java Source code

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Here is the source code for org.objectstyle.wolips.jdt.PluginImages.java

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/* ====================================================================
 * 
 * The ObjectStyle Group Software License, Version 1.0 
 *
 * Copyright (c) 2002 The ObjectStyle Group 
 * and individual authors of the software.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. 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.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:  
 *       "This product includes software developed by the 
 *        ObjectStyle Group (http://objectstyle.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "ObjectStyle Group" and "Cayenne" 
 *    must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written 
 *    permission, please contact andrus@objectstyle.org.
 *
 * 5. Products derived from this software may not be called "ObjectStyle"
 *    nor may "ObjectStyle" appear in their names without prior written
 *    permission of the ObjectStyle Group.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 THE OBJECTSTYLE GROUP OR
 * ITS CONTRIBUTORS 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the ObjectStyle Group.  For more
 * information on the ObjectStyle Group, please see
 * <http://objectstyle.org/>.
 *
 */

package org.objectstyle.wolips.jdt;

import java.net.URL;

import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.Path;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.graphics.Image;
import org.osgi.framework.Bundle;

/**
 * @author mnolte
 * @author uli
 */
public class PluginImages {

    private static Image WOFRAMEWORK_ROOT_IMAGE;

    private static Image WOFRAMEWORK_IMAGE;

    private static Image WOSTANDARD_FRAMEWORK_IMAGE;

    /**
     * @return
     */
    public static final Image WOFRAMEWORK_ROOT_IMAGE() {
        if (WOFRAMEWORK_ROOT_IMAGE == null) {
            WOFRAMEWORK_ROOT_IMAGE = createImageDescriptor("icons/frameworks/framework_root.gif")
                    .createImage(false);
        }
        return WOFRAMEWORK_ROOT_IMAGE;
    }

    /**
     * @return
     */
    public static final Image WOFRAMEWORK_IMAGE() {
        if (WOFRAMEWORK_IMAGE == null) {
            WOFRAMEWORK_IMAGE = createImageDescriptor("icons/frameworks/framework.gif").createImage(false);
        }
        return WOFRAMEWORK_IMAGE;
    }

    /**
     * @return
     */
    public static final Image WOSTANDARD_FRAMEWORK_IMAGE() {
        if (WOSTANDARD_FRAMEWORK_IMAGE == null) {
            WOSTANDARD_FRAMEWORK_IMAGE = createImageDescriptor("icons/frameworks/standard_framework.gif")
                    .createImage(false);
        }
        return WOSTANDARD_FRAMEWORK_IMAGE;
    }

    /**
     * Utility method to create an <code>ImageDescriptor</code> from a path to
     * a file.
     * 
     * @param path
     * @return
     */
    public static ImageDescriptor createImageDescriptor(String path) {
        Bundle bundle = JdtPlugin.getDefault().getBundle();
        if (bundle != null) {
            URL url = FileLocator.find(bundle, new Path(path), null);
            if (url != null) {
                return ImageDescriptor.createFromURL(url);
            }
        }
        return ImageDescriptor.getMissingImageDescriptor();
    }
}