rollerimpl.java

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/*
 * RollerImpl.java
 *
 * Created on April 29, 2005, 5:33 PM
 */

package org.roller.business;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.roller.RollerException;
import org.roller.config.RollerConfig;
import org.roller.model.FileManager;
import org.roller.model.IndexManager;
import org.roller.model.Roller;
import org.roller.model.ThreadManager;
import org.roller.util.StringUtils;


/**
 * The abstract version of the Roller implementation.
 * Here we put code that pertains to *all* implementations of the Roller
 * interface, regardless of their persistence strategy.
 *
 * @author Allen Gilliland
 */
public abstract class RollerImpl implements Roller {
    
    private static Log mLogger = 
        LogFactory.getFactory().getInstance(RollerImpl.class);
    
    protected FileManager     mFileManager = null;
    protected IndexManager    mIndexManager = null;
    protected ThreadManager   mThreadManager = null;
    
    
    /** Creates a new instance of RollerImpl */
    public RollerImpl() {
        // nothing to do here yet
    }
    
    
    /** 
     * @see org.roller.model.Roller#getFileManager()
     */
    public FileManager getFileManager() throws RollerException
    {
        if (mFileManager == null)
        {
                mFileManager = new FileManagerImpl();
        }
        return mFileManager;
    }

    /**
     * @see org.roller.model.Roller#getThreadManager()
     */
    public ThreadManager getThreadManager() throws RollerException
    {
        if (mThreadManager == null)
        {
            mThreadManager = new ThreadManagerImpl();
        }
        return mThreadManager;
    }

    /**
     * @see org.roller.model.Roller#getIndexManager()
     */
    public IndexManager getIndexManager() throws RollerException
    {
        if (mIndexManager == null)
        {
            mIndexManager = new IndexManagerImpl();
        }
        return mIndexManager;
    }
    
    
    public void release()
    {
        if (mFileManager != null) mFileManager.release();
        if (mThreadManager != null) mThreadManager.release();
    }
    
    
    public void shutdown()
    {
        try 
        {
            if (mIndexManager != null) mIndexManager.shutdown();
            if (mThreadManager != null) mThreadManager.shutdown();
        } 
        catch(Exception e) 
        {
            mLogger.warn(e);
        }
    }
}