gov.redhawk.sca.efs.ScaFileSystemPlugin.java Source code

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Here is the source code for gov.redhawk.sca.efs.ScaFileSystemPlugin.java

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/**
 * This file is protected by Copyright. 
 * Please refer to the COPYRIGHT file distributed with this source distribution.
 * 
 * This file is part of REDHAWK IDE.
 * 
 * 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.
 *
 */
package gov.redhawk.sca.efs;

import gov.redhawk.efs.sca.internal.cache.FileCache;
import gov.redhawk.efs.sca.internal.cache.ScaFileCache;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.FileUtils;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Plugin;
import org.eclipse.core.runtime.Status;
import org.osgi.framework.BundleContext;

/**
 * @since 1.2
 */
public class ScaFileSystemPlugin extends Plugin {
    public static final String ID = "gov.redhawk.sca.efs"; //$NON-NLS-1$
    private static ScaFileSystemPlugin instance;

    public static ScaFileSystemPlugin getDefault() {
        return ScaFileSystemPlugin.instance;
    }

    @Override
    public void start(BundleContext context) throws Exception {
        ScaFileSystemPlugin.instance = this;
        super.start(context);
        cleanOldFiles();
    }

    private void cleanOldFiles() {
        // TODO  In future be smart about clearing this
        try {
            FileUtils.deleteDirectory(getTempDirectory());
        } catch (IOException e) {
            // PASS
        }
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void stop(final BundleContext context) throws Exception {
        super.stop(context);
        ScaFileCache.INSTANCE.clear();
        cleanOldFiles();
        ScaFileSystemPlugin.instance = null;
    }

    public static void logError(final String msg, final Throwable e) {
        ScaFileSystemPlugin.getDefault().getLog().log(new Status(IStatus.ERROR, ScaFileSystemPlugin.ID, msg, e));
    }

    public File getTempDirectory() {
        File dir = FileCache.getTempDir();
        if (!dir.exists()) {
            dir.mkdir();
        }
        return dir;
    }

}