Examples of java.nio.charset.spi.CharsetProvider.charsetForName()

Class java.nio.charset.spi.CharsetProvider

Examples of java.nio.charset.spi.CharsetProvider.charsetForName()

java.nio.charset.spi.CharsetProvider.charsetForName()
Answers the named charset.
If the charset is unavailable the method returns null. @param charsetName the canonical or alias name of a character set. @return the charset, or null if unavailable.

    //provide better code coverage for Charset UTF16
    public void TestCharsetUTF16() {
        CoderResult result = CoderResult.UNDERFLOW;
        CharsetProvider provider = new CharsetProviderICU();       
        CharsetDecoder decoder = provider.charsetForName("UTF-16").newDecoder();
        CharsetEncoder encoder = provider.charsetForName("UTF-16").newEncoder();
        
        CharBuffer us = CharBuffer.allocate(0x10);
        ByteBuffer bs = ByteBuffer.allocate(0x10);
        
        //test flush buffer and malform string

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        us.clear();
        bs.clear();
        
        //test overflow buffer
        decoder.reset();
        decoder = provider.charsetForName("UTF-16BE").newDecoder();
        
        bs.put((byte)0xFF); bs.put((byte)0xFE); bs.put((byte)0x41);
        
        us.limit(0);
        us.position(0);

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    //provide better code coverage for Charset ISO-2022-KR
    public void TestCharsetISO2022KR() {
        CoderResult result = CoderResult.UNDERFLOW;
        CharsetProvider provider = new CharsetProviderICU();       
        CharsetDecoder decoder = provider.charsetForName("ISO-2022-KR").newDecoder();
        
        byte bytearray[] = {
                (byte)0x1b, (byte)0x24, (byte)0x29, (byte)0x43, (byte)0x41, (byte)0x42,
        };
        char chararray[] = {

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    //provide better code coverage for Charset ISO-2022-JP
    public void TestCharsetISO2022JP() {
        CoderResult result = CoderResult.UNDERFLOW;
        CharsetProvider provider = new CharsetProviderICU();       
        CharsetDecoder decoder = provider.charsetForName("ISO-2022-JP-2").newDecoder();
        
        byte bytearray[] = {
                (byte)0x1b, (byte)0x24, (byte)0x28, (byte)0x44, (byte)0x0A, (byte)0x41,
        };
        char chararray[] = {

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    //provide better code coverage for Charset ASCII
    public void TestCharsetASCII() {
        CoderResult result = CoderResult.UNDERFLOW;
        CharsetProvider provider = new CharsetProviderICU();       
        CharsetDecoder decoder = provider.charsetForName("US-ASCII").newDecoder();
        
        byte bytearray[] = {
                (byte)0x41
        };
        char chararray[] = {

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    // provide better code coverage for Charset Callbacks
    /* Different aspects of callbacks are being tested including using different context available */
    public void TestCharsetCallbacks() {
        CoderResult result = CoderResult.UNDERFLOW;
        CharsetProvider provider = new CharsetProviderICU();       
        CharsetEncoder encoder = provider.charsetForName("iso-2022-jp").newEncoder();
        CharsetDecoder decoder = provider.charsetForName("iso-2022-jp").newDecoder();
        
        String context3[] = {
                "i",
                "J"

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    /* Different aspects of callbacks are being tested including using different context available */
    public void TestCharsetCallbacks() {
        CoderResult result = CoderResult.UNDERFLOW;
        CharsetProvider provider = new CharsetProviderICU();       
        CharsetEncoder encoder = provider.charsetForName("iso-2022-jp").newEncoder();
        CharsetDecoder decoder = provider.charsetForName("iso-2022-jp").newDecoder();
        
        String context3[] = {
                "i",
                "J"
        };

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    }
    
    // Testing invalid input exceptions
    public void TestInvalidInput() {
        CharsetProvider provider = new CharsetProviderICU();
        Charset charset = provider.charsetForName("iso-2022-jp");
        CharsetEncoder encoder = charset.newEncoder();
        CharsetDecoder decoder = charset.newDecoder();
        
        try {
            encoder.encode(CharBuffer.allocate(10), null, true);

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            return AccessController.doPrivileged(
                new PrivilegedAction<Charset>() {
                    public Charset run() {
                        for (Iterator i = providers(); i.hasNext();) {
                            CharsetProvider cp = (CharsetProvider)i.next();
                            Charset cs = cp.charsetForName(charsetName);
                            if (cs != null)
                                return cs;
                        }
                        return null;
                    }

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                probeExtendedProvider();
                extendedProviderProbed = true;
            }
            ecp = extendedProvider;
        }
        return (ecp != null) ? ecp.charsetForName(charsetName) : null;
    }


    private static Charset lookup(String charsetName) {
        if (charsetName == null)
            throw new IllegalArgumentException("Null charset name");

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