org.grails.ide.eclipse.runonserver.RunOnServerPlugin.java Source code

Introduction

Here is the source code for org.grails.ide.eclipse.runonserver.RunOnServerPlugin.java

Source

/*******************************************************************************
 * Copyright (c) 2012 VMWare, Inc.
 * 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
 * https://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     VMWare, Inc. - initial API and implementation
 *******************************************************************************/
package org.grails.ide.eclipse.runonserver;

import java.lang.reflect.Array;

import org.apache.commons.io.FileUtils;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.grails.ide.eclipse.core.GrailsCoreActivator;
import org.osgi.framework.BundleContext;

/**
 * The activator class controls the plug-in life cycle
 * @author Kris De Volder
 * @author Andrew Eisenberg
 * @author Christian Dupuis
 */
public class RunOnServerPlugin extends AbstractUIPlugin {

    // The plug-in ID
    public static final String PLUGIN_ID = "org.grails.ide.eclipse.runonserver"; //$NON-NLS-1$

    // The shared instance
    private static RunOnServerPlugin plugin;

    /**
     * The constructor
     */
    public RunOnServerPlugin() {
    }

    /*
     * (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);
    }

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

    /**
     * Returns an image descriptor for the image file at the given
     * plug-in relative path
     *
     * @param path the path
     * @return the image descriptor
     */
    public static ImageDescriptor getImageDescriptor(String path) {
        return imageDescriptorFromPlugin(PLUGIN_ID, path);
    }

    //////////////////////////////////////////////////////////////////////////////////////////////////////
    ///Custom code below
    // (All code above generate by Eclipse plugin creation wizard)

    // Location where we build war files for deployment, this area is cleared the first time it is
    // This is set to null until the area has been setup/cleared.
    private IPath stagingArea = null;

    /**
     * Returns the location of a "staging" area that can be used to build war files and explode
     * them. When this method is first called (for the current Workbench session) it ensures the
     * staging area exists and clears it of any files left there by a previous session.
     */
    public synchronized IPath getStagingArea() {
        if (stagingArea == null) {
            IPath stateLocation = getStateLocation();
            IPath prepareArea = stateLocation.append("stage");
            FileUtils.deleteQuietly(prepareArea.toFile());
            if (prepareArea.toFile().mkdirs()) {
                stagingArea = prepareArea;
            } else {
                GrailsCoreActivator.log("Couldn't setup the Grails staging area at: " + prepareArea, null);
            }
        }
        return stagingArea;
    }

    // FIXADE This is not the right place for this method
    public static <T> T[] copyOf(T[] original, int newLength) {
        return (T[]) copyOf(original, newLength, original.getClass());
    }

    public static <T, U> T[] copyOf(U[] original, int newLength, Class<? extends T[]> newType) {
        T[] copy = ((Object) newType == (Object) Object[].class) ? (T[]) new Object[newLength]
                : (T[]) Array.newInstance(newType.getComponentType(), newLength);
        System.arraycopy(original, 0, copy, 0, Math.min(original.length, newLength));
        return copy;
    }
}