edu.harvard.i2b2.crc.util.StringUtil.java Source code

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Here is the source code for edu.harvard.i2b2.crc.util.StringUtil.java

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package edu.harvard.i2b2.crc.util;

/*
 * Copyright (c) 2006-2012 Massachusetts General Hospital 
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the i2b2 Software License v2.1 
 * which accompanies this distribution. 
 * 
 * Contributors:
 *       Lori Phillips
 */

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * StringUtil class to perform string parsing tasks
 * This is singleton class.
 * @author lcp5
 */
public class StringUtil {
    private static Log log = LogFactory.getLog(StringUtil.class.getName());
    //to make this class singleton
    private static StringUtil thisInstance;

    static {
        thisInstance = new StringUtil();
    }

    public static StringUtil getInstance() {
        return thisInstance;
    }

    public static String escapeSQLSERVER(String sql) {

        sql = sql.replaceAll("\\?", "??");
        sql = sql.replaceAll("_", "?_");
        sql = sql.replaceAll("%", "?%");
        sql = sql.replaceAll("\\[", "?[");
        //   sql += "%";

        return sql;
    }

    public static String escapeORACLE(String sql) {

        sql = sql.replaceAll("\\?", "??");
        sql = sql.replaceAll("_", "?_");
        sql = sql.replaceAll("%", "?%");
        //     sql += "%";
        return sql;
    }

}