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/**
 * COOS - Connected Objects Operating System (www.connectedobjects.org).
 *
 * Copyright (C) 2009 Telenor ASA and Tellu AS. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This library 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 3 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, see .
 *
 * You may also contact one of the following for additional information:
 * Telenor ASA, Snaroyveien 30, N-1331 Fornebu, Norway (www.telenor.no)
 * Tellu AS, Hagalokkveien 13, N-1383 Asker, Norway (www.tellu.no)
 */
package org.coos.messaging.impl;

import java.util.Enumeration;
import java.util.Hashtable;

import org.coos.messaging.COContainer;
import org.coos.messaging.Processor;
import org.coos.messaging.util.Log;
import org.coos.messaging.util.LogFactory;

/**
 * @author Knut Eilif Husa, Tellu AS
 */
public abstract class DefaultProcessor implements Processor {

	private boolean shared = false;
	protected String name;
	protected Hashtable properties = new Hashtable();
	protected COContainer coContainer;
	private final Log logger = LogFactory.getLog(this.getClass().getName());

	public void setProperties(Hashtable addedProperties) {
		Enumeration keys = addedProperties.keys();
		while (keys.hasMoreElements()) {
			String key = (String) keys.nextElement();
			this.properties.put(key, addedProperties.get(key));
		}
	}

	public Hashtable getProperties() {
		return this.properties;
	}

	public void setProperty(String key, String value) {
		this.properties.put(key, value);
		logger.info("Processor properties set to:" + properties);
	}

	public String getProperty(String key) {
		return (String) this.properties.get(key);
	}
	
	public String getProperty(String key, String defaultValue) {
	    String value=(String) this.properties.get(key);
	    if(value==null)
	        return defaultValue;
	    return value;
	}

	public void setShared(Boolean shared) {
		this.shared = shared.booleanValue();
	}
	
    public void setCoContainer(COContainer coContainer) {
            this.coContainer = coContainer;
    }

	public boolean isShared() {
		return shared;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public Processor copy() {
		if (shared) {
			return this;
		} else {
			Processor processor = null;
			try {
				processor = (Processor) this.getClass().newInstance();
				processor.setProperties(properties);
				processor.setShared(new Boolean(shared));
				processor.setName(name);
				processor.setCoContainer(coContainer);
			} catch (IllegalAccessException e) {
				e.printStackTrace();
			} catch (InstantiationException e) {
				e.printStackTrace();
			}
			return processor;
		}
	}
}