com.mirth.connect.util.CharsetUtils.java Source code

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Here is the source code for com.mirth.connect.util.CharsetUtils.java

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/*
 * Copyright (c) Mirth Corporation. All rights reserved.
 * 
 * http://www.mirthcorp.com
 * 
 * The software in this package is published under the terms of the MPL license a copy of which has
 * been included with this distribution in the LICENSE.txt file.
 */

package com.mirth.connect.util;

import java.nio.charset.Charset;

import org.apache.commons.lang3.StringUtils;

public class CharsetUtils {
    public static final String DEFAULT_ENCODING = "DEFAULT_ENCODING";

    /**
     * If the specified charset encoding equals DEFAULT_ENCODING or is
     * NULL/empty, then the specified default encoding will be returned. If the
     * specified default encoding is also NULL/empty then the default charset on
     * the server is returned.
     * 
     * @param charsetEncoding
     * @param defaultEncoding
     * @return
     */
    public static String getEncoding(String charsetEncoding, String defaultEncoding) {
        if (StringUtils.equals(charsetEncoding, DEFAULT_ENCODING) || StringUtils.isBlank(charsetEncoding)) {
            if (StringUtils.isNotBlank(defaultEncoding)) {
                return defaultEncoding;
            } else {
                return Charset.defaultCharset().name();
            }
        } else {
            return charsetEncoding;
        }
    }

    public static String getEncoding(String charsetEncoding) {
        return getEncoding(charsetEncoding, null);
    }
}