Java String Quote quotedString(String str)

Description

Return a double-quoted string with inner single and double quotes escaped.

License

Apache License

Parameter

Parameter	Description
str	the original string

Return

double-quoted string with inner single and double quotes escaped

Declaration

public static String quotedString(String str) 

Method Source Code

//package com.java2s;
/*/*from ww  w.  j av a2 s .c  om*/
 * 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 {
    /**
     * Return a double-quoted string with inner single and double quotes
     * escaped.
     *
     * @param str
     *            the original string
     * @return double-quoted string with inner single and double quotes escaped
     */
    public static String quotedString(String str) {
        if (str == null) {
            return null;
        }

        StringBuilder sb = new StringBuilder();
        sb.append("\"");
        for (int i = 0; i < str.length(); i++) {
            char ch = str.charAt(i);
            if ((ch == '\'') || (ch == '"')) {
                if ((i > 0) && (str.charAt(i - 1) != '\\')) {
                    sb.append('\\');
                } else if (i == 0) {
                    sb.append('\\');
                }
            }
            sb.append(ch);
        }
        sb.append("\"");

        return sb.toString();
    }
}

Related

1. quotedName(String name)
2. quotedName(String name)
3. quotedName(String name)
4. quotedOrNULL(String str)
5. quotedString(String in, boolean backslashIsEscape)
6. quotedString(String string)
7. quotedString(String text)
8. quotedStringOrNull(String string)
9. quoteEach(String string)