Gets the canonical Java character set name for the specified character set or null if not known. - Android java.lang

Android examples for java.lang:Character

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Description

Gets the canonical Java character set name for the specified character set or null if not known.

Demo Code

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 * regarding copyright ownership.  The ASF licenses this file   *
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import java.io.UnsupportedEncodingException;
import java.nio.charset.IllegalCharsetNameException;
import java.nio.charset.UnsupportedCharsetException;
import java.util.HashMap;
import java.util.TreeSet;
import android.util.Log;

public class Main{
    /**//w  w w  .  j  a v a  2  s . c  o m
     * Maps character set names to Charset objects. All possible names of
     * a charset will be mapped to the Charset.
     */
    private static HashMap<String, Charset> charsetMap = null;
    /**
     * Gets the canonical Java character set name for the specified
     * character set or <code>null</code> if not known. This should be
     * called before doing any conversions using the Java API. NOTE:
     * you must use {@link #isEncodingSupported(String)} or
     * {@link #isDecodingSupported(String)} to make sure the returned
     * Java character set is supported by the current VM.
     *
     * @param charsetName the character set name to look for.
     * @return the canonical Java name or <code>null</code> if not known.
     */
    public static String toJavaCharset(String charsetName) {
        Charset c = charsetMap.get(charsetName.toLowerCase());
        if (c != null) {
            return c.canonical;
        }
        return null;
    }
}

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