Java String Quote quoteReference(final String reference)

Description

quote Reference

License

Open Source License

Declaration

public static String quoteReference(final String reference) 

Method Source Code

//package com.java2s;
/*!/*w  ww  .j a v  a2 s  .c o  m*/
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* Copyright (c) 2002-2013 Pentaho Corporation..  All rights reserved.
*/

public class Main {
    private static final char QUOTE_CHAR = '"';

    public static String quoteReference(final String reference) {
        if (reference == null) {
            throw new NullPointerException();
        }
        final char[] referenceChars = reference.toCharArray();
        if (isQuotingNeeded(referenceChars) == false) {
            return '[' + reference + ']';
        }

        return '[' + quoteString(reference) + ']';
    }

    private static boolean isQuotingNeeded(final char[] referenceChars) {
        if (referenceChars == null) {
            throw new NullPointerException();
        }
        for (int i = 0; i < referenceChars.length; i++) {
            final char c = referenceChars[i];
            if (Character.isJavaIdentifierPart(c) == false) {
                return true;
            }
        }
        return false;
    }

    public static String quoteString(final String text) {
        if (text == null) {
            return null;
        }
        final StringBuilder b = new StringBuilder(text.length());
        final char[] chars = text.toCharArray();
        b.append(QUOTE_CHAR);
        for (int i = 0; i < chars.length; i++) {
            final char c = chars[i];
            if (c == QUOTE_CHAR) {
                b.append(QUOTE_CHAR);
            }
            b.append(c);
        }
        b.append(QUOTE_CHAR);
        return b.toString();
    }
}

Related

1. quotePath(String path)
2. quotePattern(String pattern)
3. quotePattern(String s)
4. quotePlainText(final String textContent)
5. quoteQuery(String query)
6. quoteRegexMeta(final String input)
7. quoteRegexMeta(String str)
8. quoteRemarkSQL(String sql)
9. quoteRemarkSQL(String sql)