Java String Quote quoteForCommandString(String s)

Description

Quotes a string so that it can be used in a command string.

License

Apache License

Declaration

static String quoteForCommandString(String s) 

Method Source Code

//package com.java2s;
/*//www.  j ava  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 {
    /**
     * Quotes a string so that it can be used in a command string.
     * Basically, just add simple escapes. E.g.:
     *    original single argument : ab "cd" ef
     *    after: "ab \"cd\" ef"
     *
     * This can be parsed back into a single argument by python's "shlex.split()" function.
     */
    static String quoteForCommandString(String s) {
        StringBuilder quoted = new StringBuilder().append('"');
        for (int i = 0; i < s.length(); i++) {
            int cp = s.codePointAt(i);
            if (cp == '"' || cp == '\\') {
                quoted.appendCodePoint('\\');
            }
            quoted.appendCodePoint(cp);
        }
        return quoted.append('"').toString();
    }
}

Related

1. quoteEscape(final String original)
2. quoteEscaped(String input)
3. quoteExecutable(String executable)
4. quoteFileName(String filename)
5. quoteForBatchScript(String arg)
6. quoteForCsv(final String field)
7. quoteForHTML(String toQuote)
8. quoteForMdx(StringBuilder buf, String val)
9. quoteForRegEx(String input)