将给定值编码为CSV可接受值。

//来 自 NowJava.com

/*

 * Copyright (c) 2004-2013, University of Oslo

 * All rights reserved.

 *

 * 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 the HISP project 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 COPYRIGHT OWNER 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 com.nowjava;


public class Main {

    private static final String ENCLOSURE = "\"";

    private static final String EMPTY = "";


    /**

     * Encodes the given value to a CSV acceptable value. Returns the empty string

     * if argument is null.

     * 

     * @param value the value.

     * @return the CSV encoded value.

     */

    public static String csvEncode(int value) {

        return csvEncode(String.valueOf(value));

    }


    /**

     * Encodes the given value to a CSV acceptable value. Returns the empty string

     * if argument is null.

     * 

     * @param value the value.

     * @return the CSV encoded value.

     */

    public static String csvEncode(String value) {

        if (value == null) {

            value = EMPTY;
            /** 
             来自 N o w J a v a . c o m - 时代Java**/

        } else {

            value = value.replaceAll(ENCLOSURE, ENCLOSURE + ENCLOSURE);

            value = ENCLOS