com.nokia.testfw.resultview.ResultViewPlugin.java Source code

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Here is the source code for com.nokia.testfw.resultview.ResultViewPlugin.java

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/*
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: 
*
*/
package com.nokia.testfw.resultview;

import java.net.MalformedURLException;
import java.net.URL;
import java.util.Hashtable;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;

/**
 * The activator class controls the plug-in life cycle
 */
public class ResultViewPlugin extends AbstractUIPlugin {

    // The plug-in ID
    public static final String PLUGIN_ID = "com.nokia.testfw.resultview";

    private static final String IMAGE_PATH = "icons/full/";

    // The shared instance
    private static ResultViewPlugin plugin;

    private static Hashtable<String, Image> images;

    /**
     * The constructor
     */
    public ResultViewPlugin() {
        images = new Hashtable<String, Image>();
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
     */
    public void start(BundleContext context) throws Exception {
        super.start(context);
        plugin = this;
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
     */
    public void stop(BundleContext context) throws Exception {
        plugin = null;
        super.stop(context);
        //dispose image
        for (Image image : images.values()) {
            if (!image.isDisposed()) {
                image.dispose();
            }
        }
    }

    /**
     * Returns the shared instance
     *
     * @return the shared instance
     */
    public static ResultViewPlugin getDefault() {
        return plugin;
    }

    /**
      * retrieve an image based on its name (from the plug-in standard image folder)
      * @param imageName
      * @return <code>ImageDescriptor</code> of the image if found or the standard missing image descvritor
      */
    public static ImageDescriptor getImageDescriptor(String imageName) {
        return getImageDescriptor(ResultViewPlugin.getDefault().getBundle(), imageName);
    }

    public static Image getImage(String imageName) {
        Image image = images.get(imageName);
        if (image == null) {
            ImageDescriptor desc = getImageDescriptor(imageName);
            image = desc.createImage();
            images.put(imageName, image);
        }
        return image;
    }

    /**
     * retrieve an image based on its name (from the plug-in standard image folder)
     * @param imageName
     * @return <code>ImageDescriptor</code> of the image if found or the standard missing image descriptor
     */
    public static final ImageDescriptor getImageDescriptor(Bundle bundle, String imageName) {
        URL url = getImageUrl(bundle, imageName);

        return (url != null) ? ImageDescriptor.createFromURL(url) : ImageDescriptor.getMissingImageDescriptor();
    }

    /**
     * retrieve the URL of an image file based on its name (from the plug-in standard image folder)
     * @param imageName
     * @return <code>URL</code> of the image if found or null if not found
     */
    //    private static URL getImageUrl(String imageName) {
    //        return getImageUrl(ResultViewPlugin.getDefault().getBundle(), imageName);
    //    }

    public static final URL getImageUrl(Bundle bundle, String imageName) {
        if (bundle == null) {
            bundle = ResultViewPlugin.getDefault().getBundle();
        }

        try {
            URL baseURL = bundle.getEntry("/");
            return new URL(baseURL, IMAGE_PATH + imageName);
        } catch (MalformedURLException e) {
            //            LOG.warn("image URL invalid (image probably missing)", e);
            return null;
        }
    }

    public static void log(Throwable e) {
        log(new Status(IStatus.ERROR, PLUGIN_ID, IStatus.ERROR, "Error", e)); //$NON-NLS-1$
    }

    public static void log(IStatus status) {
        getDefault().getLog().log(status);
    }

    public static void log(int status, String msg) {
        Status s = new Status(status, PLUGIN_ID, status, msg, null);
        log(s);
    }

}