org.eclipse.gemini.blueprint.test.platform.DefaultFrameworkTemplate.java Source code

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Here is the source code for org.eclipse.gemini.blueprint.test.platform.DefaultFrameworkTemplate.java

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/******************************************************************************
 * Copyright (c) 2006, 2010 VMware Inc.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * and Apache License v2.0 which accompanies this distribution. 
 * The Eclipse Public License is available at 
 * http://www.eclipse.org/legal/epl-v10.html and the Apache License v2.0
 * is available at http://www.opensource.org/licenses/apache2.0.php.
 * You may elect to redistribute this code under either of these licenses. 
 * 
 * Contributors:
 *   VMware Inc.
 *****************************************************************************/

package org.eclipse.gemini.blueprint.test.platform;

import org.apache.commons.logging.Log;
import org.eclipse.gemini.blueprint.util.OsgiPlatformDetector;
import org.osgi.framework.BundleException;
import org.osgi.framework.launch.Framework;
import org.springframework.util.Assert;

/**
 * Utility class useful for starting and stopping an OSGi 4.2 framework.
 * 
 * @author Costin Leau
 */
class DefaultFrameworkTemplate implements FrameworkTemplate {

    private final Framework fwk;
    /** logger */
    private final Log log;

    public DefaultFrameworkTemplate(Object target, Log log) {
        if (OsgiPlatformDetector.isR42()) {
            Assert.isInstanceOf(Framework.class, target);
            fwk = (Framework) target;
        } else {
            throw new IllegalStateException("Cannot use OSGi 4.2 Framework API in an OSGi 4.1 environment");
        }
        this.log = log;
    }

    public void init() {
        try {
            fwk.init();
        } catch (BundleException ex) {
            throw new IllegalStateException("Cannot initialize framework", ex);
        }
    }

    public void start() {
        try {
            fwk.start();
        } catch (BundleException ex) {
            throw new IllegalStateException("Cannot start framework", ex);
        }
    }

    public void stopAndWait(long delay) {
        try {
            fwk.stop();
        } catch (BundleException ex) {
            log.error("Cannot stop framework", ex);
        }

        try {
            fwk.waitForStop(delay);
        } catch (InterruptedException ex) {
            log.error("Waiting for framework to stop interrupted", ex);
        }
    }
}