转义CSV列

/*******************************************************************************

 * Copyright 2013 Agile Knowledge Engineering and Semantic Web (AKSW) Group

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *   http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 ******************************************************************************/

//package com.nowjava;
/*
NowJava.com 提 供
*/


public class Main {

    private static final String CSV_DELIMITER = ",";

    private static final String CSV_QUOTE = "\"";

    private static final String LF = "\n";

    private static final String CR = "\r";


    public static String escapeColumn(String input) {


        if (input == null || input.length() == 0) {

            return "";

        }

        Boolean contCSVDel = input.contains(CSV_DELIMITER);/**from nowjava - 时  代  Java**/

        Boolean contCSVQuote = input.contains(CSV_QUOTE);

        Boolean contLF = input.contains(LF);

        Boolean contCR = input.contains(CR);

        if (!(contCSVDel || contCSVQuote || contLF || contCR)) {

            return input;

        } else {