Java String Quote quoteString(String s)

Description

Quote string and escape characters - ab'c -> 'ab''c'

License

Apache License

Declaration

public static String quoteString(String s) 

Method Source Code

//package com.java2s;
/**//from  w  ww .  j  a  v  a2  s.  c o  m
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

public class Main {
    /**
     * Quote string and escape characters - ab'c -> 'ab''c'
     */
    public static String quoteString(String s) {
        if (s == null) {
            return null;
        }
        int len = s.length();
        StringBuilder s2 = new StringBuilder(len + 2).append('\'');

        for (int i = 0; i < len; i++) {
            char ch = s.charAt(i);
            s2.append(ch);
            if (ch == '\'') {
                s2.append(ch);
            }
        }
        s2.append('\'');
        return s2.toString();
    }

    /**
     * Convert String array to a string with the specified delimiter
     */
    public static String toString(String[] a, char del) {
        StringBuilder s = new StringBuilder();
        for (int i = 0; i < a.length; i++) {
            if (i > 0) {
                s.append(del);
            }
            s.append(a[i]);
        }
        return s.toString();
    }
}

Related

1. quoteString(String aTarget, String aPrefix, String aSuffix)
2. quoteString(String in)
3. quoteString(String quoted, String quoteFlag)
4. quoteString(String s)
5. quoteString(String s)
6. quoteString(String s)
7. quoteString(String s)
8. quoteString(String s)
9. QuoteString(String source)