org.eclipse.smila.utils.log.BundleLogHelper.java Source code

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Here is the source code for org.eclipse.smila.utils.log.BundleLogHelper.java

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/***********************************************************************************************************************
 * Copyright (c) 2008 empolis GmbH and brox IT Solutions GmbH. 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: Ivan Churkin (brox IT Solutions GmbH) - initial creator Sebastian Voigt (brox IT Solutions GmbH)
 **********************************************************************************************************************/
package org.eclipse.smila.utils.log;

import java.util.HashMap;
import java.util.Map;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.eclipse.core.runtime.Platform;
import org.osgi.framework.Bundle;

/**
 * The Class BundleLogHelper.
 */
public final class BundleLogHelper {

    /**
     * The Constant _descriptions.
     */
    private static final Map<Integer, String> DESCRIPTIONS = new HashMap<Integer, String>();

    static {
        DESCRIPTIONS.put(Bundle.ACTIVE, "ACTIVE     ");
        DESCRIPTIONS.put(Bundle.INSTALLED, "INSTALLED  ");
        DESCRIPTIONS.put(Bundle.RESOLVED, "RESOLVED   ");
        DESCRIPTIONS.put(Bundle.START_ACTIVATION_POLICY, "START ACTIVATION POLICY");
        DESCRIPTIONS.put(Bundle.START_TRANSIENT, "START TRANSIENT");
        DESCRIPTIONS.put(Bundle.STARTING, "STARTING...");
        DESCRIPTIONS.put(Bundle.STOP_TRANSIENT, "STOP TRANSIENT");
        DESCRIPTIONS.put(Bundle.STOPPING, "STOPPING...");
        DESCRIPTIONS.put(Bundle.UNINSTALLED, "UNINSTALLED");
    }

    /**
     * Instantiates a new bundle log helper.
     */
    private BundleLogHelper() {
    }

    /**
     * Log services.
     */
    public static void logBundlesState() {
        final Log log = LogFactory.getLog(BundleLogHelper.class);
        String result = "";
        for (final Bundle bundle : Platform.getBundle("org.eclipse.core.runtime").getBundleContext().getBundles()) {
            final String state = DESCRIPTIONS.get(bundle.getState());
            result += String.format("\r\n%3d %s %s", bundle.getBundleId(), state, bundle.getSymbolicName());
        }
        if (log.isInfoEnabled()) {
            log.info(result);
        }
    }
}