pattern.java

一个完整的代码管理系统的源代码

/*
 * Copyright (c) 2007-2010 Tanming1003 Inc.
 * All rights reserved.
 * 
 * tanming1003<[e-mail]>
 * 
 * 
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions 
 * are met:
 * 
 * Redistributions of source code must retain the above copyright 
 * notice, this list of conditions and the following disclaimer. 
 * Redistributions in binary form must reproduce the above copyright 
 * notice, this list of conditions and the following disclaimer in the 
 * documentation and/or other materials provided with the distribution. 
 * Neither the name of tanming1003 nor the names of its contributors 
 * may be used to endorse or promote products derived from this 
 * software without specific prior written permission. 
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 
 * REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 * POSSIBILITY OF SUCH DAMAGE.
 */
package hunnu.edu.cn.product.log;

import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
import java.util.StringTokenizer;

/**
 * @author tanming1003
 * @date 2008-10-10
 * @time 下午01:49:07
 * @project_name Product
 * @package_name hunnu.edu.cn.product.log
 * @file_name    Pool.java
 * @version      1.0
 */

public class Pattern
{
    private String pattern;
    private String logger;
    private Properties properties;
    private boolean debug;
    private static Pattern pn;
    
    public static final String PRIORITY="%p";
    public static final String CLASS="%c";
    public static final String DATE="%d";
    public static final String TIME="%t";
    public static final String MESSAGE="%m";
    public static final String ENDLINE="%n";
    public static final String TR="%r";
    
    public static final String[] patterns={PRIORITY,CLASS,DATE,TIME,MESSAGE,ENDLINE,TR};
    
	private Pattern()
    {
    	super();
    	setProperties(this.getProperties());
    	setPattern(properties.getProperty("log-pattern"));
    	setLogger(properties.getProperty("log-writer"));
    	String debug=properties.getProperty("log-debug");
    	if(debug.equals("true"))
    		this.debug=true;
    	else
    		this.debug=false;
    }
	
	public static Pattern newInstance()
	{
		if(pn==null)
			return new Pattern();
		return pn;
	}
    
	public Properties getProperties()
    {
    	Properties properties=new Properties();
    	InputStream in=this.getClass().getClassLoader().getResourceAsStream("hunnu/edu/cn/product/resources/Log.properties");
    	try
		{
			properties.load(in);
		}
		catch (IOException e)
		{
			e.printStackTrace();
		}
		return properties;
    }
	
	public void setPattern(String pattern)
	{
		this.pattern=pattern;
	}
	
	public void setLogger(String logger)
	{
		this.logger=logger;
	}
	
	public String getPattern()
	{
	   return this.pattern;	
	}
	
	public String getLogger()
	{
		return this.logger;
	}
	
	public List<String> createLog()
	{
		if(this.logger.equals(""))
			return null;
		List<String> logs=new ArrayList<String>();
		StringTokenizer token=new StringTokenizer(logger,",");
		while(token.hasMoreTokens())
		{
			String str=token.nextToken();
			str="hunnu.edu.cn.product.log."+str+"Log";
			logs.add(str);
		}
		return logs;
	}
	
	public List<String> createPattern()
	{
		if(this.pattern.equals(""))
			return null;
		List<String> p=new ArrayList<String>();
		StringTokenizer tokens=new StringTokenizer(pattern,"-");
		while(tokens.hasMoreTokens())
		{
			String str=tokens.nextToken();
			p.add(str);
		}
		return p;
	}
	
	public void setProperties(Properties properties)
	{
		this.properties=properties;
	}
	
	public boolean getDebug()
	{
		return this.debug;
	}
	
	public void setDebug(boolean debug)
	{
		this.debug=debug;
	}
}