/*
 *  eXist Open Source Native XML Database
 *  Copyright (C) 2001-04 The eXist Project
 *  http://exist-db.org
 *  
 *  This program 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
 *  of the License, or (at your option) any later version.
 *  
 *  This program 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 program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *  
 *  $Id$
 */
package org.exist.util.serializer;

import org.apache.commons.pool.BaseKeyedPoolableObjectFactory;

/**
 * @author wolf
 *
 */
public class SerializerObjectFactory extends BaseKeyedPoolableObjectFactory {

    /**
     * 
     */
    public SerializerObjectFactory() {
        super();
    }

    public Object makeObject(Object key) throws Exception {
        if (key == SAXSerializer.class)
            return new SAXSerializer();
        else if (key == DOMStreamer.class)
            return new ExtendedDOMStreamer();
        return null;
    }

    public void activateObject(Object key, Object obj) throws Exception {
        if (key == SAXSerializer.class)
            ((SAXSerializer)obj).reset();
        else if (key == DOMStreamer.class)
            ((DOMStreamer)obj).reset();
    }
}

/*
 *  eXist Open Source Native XML Database
 *  Copyright (C) 2001-04 The eXist Project
 *  http://exist-db.org
 *  
 *  This program 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
 *  of the License, or (at your option) any later version.
 *  
 *  This program 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 program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *  
 *  $Id$
 */
package org.exist.util.serializer;

import org.apache.commons.pool.BaseKeyedPoolableObjectFactory;

/**
 * @author wolf
 *
 */
public class SerializerObjectFactory extends BaseKeyedPoolableObjectFactory {

    /**
     * 
     */
    public SerializerObjectFactory() {
        super();
    }

    public Object makeObject(Object key) throws Exception {
        if (key == SAXSerializer.class)
            return new SAXSerializer();
        else if (key == DOMStreamer.class)
            return new ExtendedDOMStreamer();
        return null;
    }

    public void activateObject(Object key, Object obj) throws Exception {
        if (key == SAXSerializer.class)
            ((SAXSerializer)obj).reset();
        else if (key == DOMStreamer.class)
            ((DOMStreamer)obj).reset();
    }

    public void passivateObject(Object key, Object obj) throws Exception {
        if (key == SAXSerializer.class)
            ((SAXSerializer)obj).reset();
        else if (key == DOMStreamer.class)
            ((DOMStreamer)obj).reset();
    }
}

Clean up SAXSerializer instances before returning them to the pool. The serializer may allocate large memory chunks when serializing big documents. These should be freed when the serializer is returned.