Java String Unescape unescape(String string)

Description

unescape

License

Apache License

Declaration

private static String unescape(String string) 

Method Source Code

//package com.java2s;
/**/*from   www.  j  ava2 s.c om*/
 * Copyright 2011-2017 Asakusa Framework Team.
 *
 * 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.
 */

public class Main {
    private static String unescape(String string) {
        assert string != null;
        StringBuilder buf = new StringBuilder();
        int start = 0;
        while (true) {
            int index = string.indexOf('\\', start);
            if (index < 0) {
                break;
            }
            buf.append(string.substring(start, index));
            if (index != string.length() - 1) {
                buf.append(string.charAt(index + 1));
                start = index + 2;
            } else {
                buf.append(string.charAt(index));
                start = index + 1;
            }
        }
        if (start < string.length()) {
            buf.append(string.substring(start));
        }
        return buf.toString();
    }
}

Related

1. unescape(String str)
2. unescape(String str)
3. unescape(String str, char escapeChar, char[] targetChars, char[] escapedChars)
4. unescape(String string)
5. unescape(String string)
6. unescape(String string)
7. unescape(String string)
8. unescape(String string, int escape)
9. unescape(String text)