Java Charset Create getEncodingOption(List options)

Description

Extract the encoding flag from the list of javac options.

License

Open Source License

Declaration

public static @Nullable Charset getEncodingOption(List<String> options) 

Method Source Code

//package com.java2s;
/*//  w  ww.  j  a  v  a 2s  .c o m
 * Copyright 2014 Google Inc. All rights reserved.
 *
 * 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.
 */

import java.nio.charset.Charset;

import java.util.List;

import javax.annotation.Nullable;

public class Main {
    /**
     * Extract the encoding flag from the list of javac options. If the flag is specified more than
     * once, returns the last copy, which matches javac's behavior. If the flag is not specified,
     * returns null.
     */
    public static @Nullable Charset getEncodingOption(List<String> options) {
        int i = options.lastIndexOf("-encoding");
        return (i >= 0) ? Charset.forName(options.get(i + 1)) : null;
    }
}

Related

1. getEncoder(String encoding)
2. getEncoding(byte[] htmlData)
3. getEncoding(OutputStreamWriter inWriter)
4. getEncoding(String text)
5. getEncodingOfXml(File file)
6. getEncodings()
7. getEncodings()