org.hibernate.eclipse.HibernatePlugin.java Source code

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Here is the source code for org.hibernate.eclipse.HibernatePlugin.java

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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2005, JBoss Inc., and individual contributors as indicated
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.hibernate.eclipse;

import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.MultiStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Plugin;
import org.eclipse.core.runtime.Status;
import org.hibernate.eclipse.console.HibernateConsoleMessages;
import org.hibernate.eclipse.logging.LoggingHelper;
import org.hibernate.eclipse.logging.PluginLogManager;
import org.osgi.framework.BundleContext;

/**
 * @author max
 */
public class HibernatePlugin extends Plugin {

    // The shared instance.
    private static HibernatePlugin plugin;

    /**
     * The constructor.
     */
    public HibernatePlugin() {
        super();
        setPlugin(this);
    }

    public void start(BundleContext context) throws Exception {
        super.start(context);
        configureLog4jHooks();
        Log log = LogFactory.getLog(HibernatePlugin.class);
        log.info("HibernatePlugin Started"); //$NON-NLS-1$
    }

    private void configureLog4jHooks() {
        URL entry = getBundle().getEntry("hibernate-log4j.xml"); //$NON-NLS-1$
        if (entry == null) {
            entry = getBundle().getEntry("hibernate-log4j.properties"); //$NON-NLS-1$
        }

        if (entry == null) {
            // should log this!
        } else {
            LoggingHelper helper = LoggingHelper.getDefault();
            new PluginLogManager(this, helper, entry);
        }
    }

    public void stop(BundleContext context) throws Exception {
        LoggingHelper.getDefault().stop(context);
        super.stop(context);
        setPlugin(null);
    }

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

    private static void setPlugin(HibernatePlugin plugin) {
        HibernatePlugin.plugin = plugin;
    }

    public static File getResourceItem(String strResPath) throws IOException {
        IPath resourcePath = new Path(strResPath);
        File resourceFolder = resourcePath.toFile();
        URL entry = getDefault().getBundle().getEntry(strResPath);
        URL resProject = FileLocator.resolve(entry);
        String tplPrjLcStr = FileLocator.resolve(resProject).getFile();
        resourceFolder = new File(tplPrjLcStr);
        return resourceFolder;
    }

    public void log(Throwable t) {
        plugin.getLog().log(new Status(Status.ERROR, getId(), t.getMessage(), t));
    }

    public static IStatus throwableToStatus(Throwable t, int code) {
        List<IStatus> causes = new ArrayList<IStatus>();
        Throwable temp = t;
        while (temp != null && temp.getCause() != temp) {
            causes.add(new Status(IStatus.ERROR, getId(), code,
                    temp.getMessage() == null
                            ? temp.toString() + HibernateConsoleMessages.HibernateConsolePlugin_no_message_1
                            : temp.toString(),
                    temp));
            temp = temp.getCause();
        }
        String msg = HibernateConsoleMessages.HibernateConsolePlugin_no_message_2;
        if (t != null && t.getMessage() != null) {
            msg = t.toString();
        }

        if (causes.isEmpty()) {
            return new Status(IStatus.ERROR, getId(), code, msg, t);
        } else {
            return new MultiStatus(getId(), code, causes.toArray(new IStatus[causes.size()]), msg, t);
        }
    }

    public static String getId() {
        return plugin.getBundle().getSymbolicName();
    }

}