Java String Quote quotemeta(String s)

Description

quotemeta

License

Apache License

Declaration

public static String quotemeta(String s) 

Method Source Code

//package com.java2s;
/**//from   www . j  a  v  a 2  s  .  c om
 * Copyright 2014 Orient Technologies LTD (info(at)orientechnologies.com)
 *
 * 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.
 *
 * For more information: http://www.orientechnologies.com
 */

public class Main {
    public static String quotemeta(String s) {
        if (s == null) {
            throw new IllegalArgumentException("String cannot be null");
        }

        int len = s.length();
        if (len == 0) {
            return "";
        }

        StringBuilder sb = new StringBuilder(len * 2);
        for (int i = 0; i < len; i++) {
            char c = s.charAt(i);
            if ("[](){}.*+?$^|#\\".indexOf(c) != -1) {
                sb.append("\\");
            }
            sb.append(c);
        }
        return sb.toString();
    }
}

Related

1. quoteLiteralAsRegexp(String text)
2. quoteLocation(String location)
3. quoteMdxIdentifier(String ident)
4. quoteMe(String unquoted)
5. quoteMeta(String s)
6. quoteMonetDbIdentifier(String ident)
7. quoteMonetDbValue(String value)
8. quoteNameIfNecessary(String name)
9. quoteNcName(String ncName)