localesloader.java

为了下东西 随便发了个 datamining 的源代码

/*
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU 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 General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/*
 * Created on 2006/09/02
 *
 * @Author: Xiaojun Chen
 * $Revision$ 1.0
 *
 */

package eti.bi.common.Locale;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.StringReader;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
import eti.bi.exception.SysException;

public class LocalesLoader {
	private static String m_DefinitionFileName;
	private static String basePath;
	private static Locales locales = new Locales();
	
	public static void setBasePath(String aBasePath) {
		basePath = aBasePath;
	}
	
	public static String getBasePath() {
		return basePath;
	}
	
	public static void setDefinitionFile(String aFileName){
		m_DefinitionFileName = aFileName;
	}
	
	public static String getDefinitionFile(){
		return m_DefinitionFileName;
	}
	
	public static String readDefinitionFile() throws SysException
	{
		BufferedReader aBufferedReader = null;
		try {
			File aDefinitionFile = new File(m_DefinitionFileName);

			if (!aDefinitionFile.exists())
			{
				throw new SysException("Workspace Definition file [" + aDefinitionFile + "] not found.");
			}

			aBufferedReader = new BufferedReader(new FileReader(aDefinitionFile));
			StringBuffer aFileContent = new StringBuffer();
			String aLine = null;
			while ((aLine = aBufferedReader.readLine()) != null)
			{
				aFileContent.append(aLine+"\n");
			}
		
			return aFileContent.toString();
				
		} catch (Exception e) {
			throw new SysException("Error getting the definition file [" + m_DefinitionFileName +"]", e);
		}finally
		{
			try
			{
				if (aBufferedReader!=null)
				{
				    aBufferedReader.close();
				}
			}catch(IOException e)
			{}
		}		
	}
	
	public static void loadLocales() throws SysException
	{
		DefaultHandler aHandler = new LocaleSAXHandler(basePath);
		
		try {
			String definitionString = readDefinitionFile();
			
			SAXParserFactory factory = SAXParserFactory.newInstance();
			SAXParser saxParser = factory.newSAXParser();
			StringReader aStringReader = new StringReader(definitionString);
			saxParser.parse(new InputSource(aStringReader), aHandler);
		} catch (SAXException e) {
			e.printStackTrace();
		} catch (ParserConfigurationException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
	public static void AddLocale(locale a_locale){
		if(!a_locale.isvalid()){
			return;
		}
		locales.AddLocale(a_locale);
	}
	
	public static void AddLocaleCurrent(locale a_locale){
		if(!a_locale.isvalid()){
			return;
		}
		locales.AddLocaleCurrent(a_locale);
	}
	
	public static Locales getLocales(){
		return locales;
	}
}