fr.liglab.adele.cilia.workbench.common.misc.ImageBuilder.java Source code

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Here is the source code for fr.liglab.adele.cilia.workbench.common.misc.ImageBuilder.java

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/**
 * Copyright 2012-2013 France Tlcom 
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at 
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0 
 * 
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 * See the License for the specific language governing permissions and 
 * limitations under the License.
 */
package fr.liglab.adele.cilia.workbench.common.misc;

import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;

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;

import fr.liglab.adele.cilia.workbench.common.Activator;

/**
 * 
 * @author Etienne Gandrille
 */
public class ImageBuilder {

    private static ImageBuilder INSTANCE = new ImageBuilder();

    Map<String, Image> map = new HashMap<String, Image>();

    private ImageBuilder() {
    }

    public static ImageBuilder getINSTANCE() {
        return INSTANCE;
    }

    public Image getImage(String path) {
        if (!map.containsKey(path))
            map.put(path, createImage(path));
        return map.get(path);
    }

    private static Image createImage(String imagePath) {
        Bundle bundle = Activator.getInstance().getBundle();
        URL url = FileLocator.find(bundle, new Path(imagePath), null);
        try {
            url = new URL("platform:/plugin/fr.liglab.adele.cilia.workbench.common/" + imagePath);
        } catch (MalformedURLException e) {
            e.printStackTrace();
        }
        ImageDescriptor imageDesc = ImageDescriptor.createFromURL(url);

        return imageDesc.createImage();
    }
}