net.sourceforge.floggy.eclipse.Activator.java Source code

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Here is the source code for net.sourceforge.floggy.eclipse.Activator.java

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/**
 * Copyright (c) 2006-2011 Floggy Open Source Group. All rights reserved.
 *
 * 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 net.sourceforge.floggy.eclipse;

import java.util.Enumeration;

import org.apache.commons.logging.LogFactory;
import org.eclipse.core.resources.IResourceChangeEvent;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.IExtensionRegistry;
import org.eclipse.core.runtime.RegistryFactory;

import org.eclipse.ui.plugin.AbstractUIPlugin;

import org.osgi.framework.BundleContext;

/**
* The activator class controls the plug-in life cycle
 */
public class Activator extends AbstractUIPlugin {
    private static Activator plugin;
    private static BundleContext context;
    public static final String PLUGIN_ID = "net.sourceforge.floggy";

    /**
       * The constructor
       */
    public Activator() {
        super();
        LogFactory.getFactory().setAttribute("org.apache.commons.logging.Log", EclipseLog.class.getName());
    }

    /**
     * DOCUMENT ME!
    *
    * @param path DOCUMENT ME!
    * @param filePattern DOCUMENT ME!
    * @param recurse DOCUMENT ME!
    *
    * @return DOCUMENT ME!
    */
    public static Enumeration findEntries(String path, String filePattern, boolean recurse) {
        Enumeration result = null;

        if (context != null) {
            result = context.getBundle().findEntries(path, filePattern, recurse);
        }

        return result;
    }

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

    /**
     * DOCUMENT ME!
    *
    * @return DOCUMENT ME!
    */
    public static boolean isMTJAvailble() {
        IExtensionRegistry registry = RegistryFactory.getRegistry();
        IExtensionPoint extension = registry.getExtensionPoint("org.eclipse.mtj.core.mtjbuildhook");

        return extension != null;
    }

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

        Activator.plugin = this;
        Activator.context = context;

        IWorkspace workspace = ResourcesPlugin.getWorkspace();

        workspace.addResourceChangeListener(new ConfigurationFileResourceListener(),
                IResourceChangeEvent.POST_CHANGE);
    }

    /*
     * (non-Javadoc)
     *
     * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
     */
    /**
     * DOCUMENT ME!
    *
    * @param context DOCUMENT ME!
    *
    * @throws Exception DOCUMENT ME!
    */
    public void stop(BundleContext context) throws Exception {
        plugin = null;
        Activator.context = null;
        super.stop(context);
    }
}