Java String Quote quoteAndEscape(String str)

Description

quote And Escape

License

Apache License

Declaration

public static String quoteAndEscape(String str) 

Method Source Code

//package com.java2s;
/*/* www  .j  a  v  a 2s  . 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 {
    public static String quoteAndEscape(String str) {
        return quoteAndEscape(new StringBuilder(), str).toString();
    }

    private static StringBuilder quoteAndEscape(StringBuilder sb, String str) {
        return escape(sb.append('"'), str).append('"');
    }

    public static String escape(String str) {
        return escape(new StringBuilder(), str).toString();
    }

    public static StringBuilder escape(StringBuilder sb, String str) {
        for (int i = 0; i < str.length(); ++i) {
            appendEsc(sb, str.charAt(i));
        }
        return sb;
    }

    private static StringBuilder appendEsc(StringBuilder sb, char c) {
        CharSequence cs = esc(c);
        return cs != null ? sb.append(cs) : sb.append(c);
    }

    public static CharSequence esc(char c) {
        switch (c) {
        case '"':
            return "\\\"";
        case '\\':
            return "\\\\";
        case '/':
            return "\\/";
        case '\b':
            return "\\b";
        case '\n':
            return "\\n";
        case '\f':
            return "\\f";
        case '\r':
            return "\\r";
        case '\t':
            return "\\t";
        default:
            return null;
        }
    }
}

Related

1. quote(String value)
2. quote(StringBuilder buf, String str)
3. quote(StringBuilder sb, String str)
4. quote4CMDLine(String str)
5. quoteAndClean(String str)
6. quoteAndEscapeFilename(String filename)
7. quoteAndEscapeValue(String serviceQName)
8. quoteArg(final String arg)
9. quoteArg(String arg)