/*
 * *****************************************************
 * Copyright (c) 2005 IIM Lab. All  Rights Reserved.
 * Created by xuehao at Dec 7, 2005
 * Contact: zxuehao@mail.ustc.edu.cn
 * *****************************************************
 */
package org.indigo.db.fieldfilter;

import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
 *  把 ‘或\替換為空格。
 * @author wbz
 *
 */

public class ColonFilter
{
    private static ColonFilter itsInstance=new ColonFilter();
    private ColonFilter()
    {
        
    }
    public static ColonFilter getInstance()
    {
        return itsInstance;
    }
    public String filter( String str )
    {
        if( str==null )
            return null;
        Pattern p = null;
        Matcher m = null;
      
        p = Pattern.compile("'");
        m = p.matcher(  str );
        str = m.replaceAll(" ");

        if( str==null )
            return null;
        
        p = Pattern.compile("\"");
        m = p.matcher(  str );
        str = m.replaceAll(" ");

        return str;
    }
    public static void main(String args[])
    {
        ColonFilter.getInstance().filter("sdf'dfsa ");
    }
}