org.eclipse.core.tools.CoreToolsPlugin.java Source code

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Here is the source code for org.eclipse.core.tools.CoreToolsPlugin.java

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/*******************************************************************************
 * Copyright (c) 2002, 2005 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM - Initial API and implementation
 *******************************************************************************/
package org.eclipse.core.tools;

import java.net.URL;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.internal.stats.ClassloaderStats;
import org.eclipse.core.runtime.internal.stats.StatsManager;
import org.eclipse.core.tools.runtime.VMClassInfo;
import org.eclipse.core.tools.runtime.VMClassloaderInfo;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;

public class CoreToolsPlugin extends AbstractUIPlugin {
    private static CoreToolsPlugin instance;
    public static String PI_TOOLS = "org.eclipse.core.tools"; //$NON-NLS-1$
    private BundleContext context;

    static {
        if (StatsManager.MONITOR_ACTIVATION)
            initializeBootClasses();
    }

    public static CoreToolsPlugin getDefault() {
        return instance;
    }

    private static void initializeBootClasses() {
        if (!VMClassloaderInfo.hasNatives)
            return;
        ClassloaderStats loader = ClassloaderStats.getLoader("org.eclipse.osgi"); //$NON-NLS-1$
        //class loading trace option not enabled
        if (loader == null)
            return;
        VMClassInfo[] classes = VMClassloaderInfo.getBaseClasses();
        String[] names = new String[classes.length];
        for (int i = 0; i < classes.length; i++)
            names[i] = classes[i].getName();
        loader.addBaseClasses(names);
    }

    /**
     * find an icon - caller must dispose of it
     */
    public static ImageDescriptor createImageDescriptor(String imageName) {
        URL url = getDefault().getBundle().getEntry("icons/" + imageName); //$NON-NLS-1$
        if (url != null)
            return ImageDescriptor.createFromURL(url);
        return ImageDescriptor.getMissingImageDescriptor();
    }

    public CoreToolsPlugin() {
        super();
        instance = this;
    }

    public void start(BundleContext bundleContext) throws Exception {
        super.start(bundleContext);
        this.context = bundleContext;
    }

    public BundleContext getContext() {
        return context;
    }

    public void log(String message, Throwable exception) {
        getLog().log(new Status(IStatus.ERROR, PI_TOOLS, 0, message, exception));
    }
}