Formats a string for CSV escaping it as a double quoted CSV string if necessary - Java File Path IO

Java examples for File Path IO:CSV File

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Description

Formats a string for CSV escaping it as a double quoted CSV string if necessary

Demo Code

/** //from   w  w  w.  ja v  a  2 s  . c om
 * Copyright 2011-2012 Cray Inc. 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 Cray Inc. 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.java2s;

public class Main {
    public static void main(String[] argv) throws Exception {
        String value = "java2s.com";
        System.out.println(toCsv(value));
    }

    /**
     * Formats a string for CSV escaping it as a double quoted CSV string if necessary
     * @param value
     */
    public static String toCsv(String value) {
        if (value.contains(",")) {
            return "\"" + escapeQuotesForCsv(value) + "\"";
        } else {
            return value;
        }
    }

    /**
     * Escapes quotes in a string for use in a double quoted CSV string
     * @param value
     * @return
     */
    private static String escapeQuotesForCsv(String value) {
        if (value.contains("\"")) {
            return value.replace("\"", "\"\"");
        } else {
            return value;
        }
    }
}

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