Examples with Charset java.nio.charset.Charset used on opensource projects

Example 61 with Charset

use of java.nio.charset.Charset in project jdk8u_jdk by JetBrains.

the class StreamTest method testLines.

// Test borrowed from BytesAndLines
public void testLines() throws IOException {
    final Charset US_ASCII = Charset.forName("US-ASCII");
    Path tmpfile = Files.createTempFile("blah", "txt");
    try {
        // zero lines
        assertTrue(Files.size(tmpfile) == 0, "File should be empty");
        try (Stream<String> s = Files.lines(tmpfile)) {
            checkLines(s, Collections.emptyList());
        }
        try (Stream<String> s = Files.lines(tmpfile, US_ASCII)) {
            checkLines(s, Collections.emptyList());
        }
        // one line
        List<String> oneLine = Arrays.asList("hi");
        Files.write(tmpfile, oneLine, US_ASCII);
        try (Stream<String> s = Files.lines(tmpfile)) {
            checkLines(s, oneLine);
        }
        try (Stream<String> s = Files.lines(tmpfile, US_ASCII)) {
            checkLines(s, oneLine);
        }
        // two lines using platform's line separator
        List<String> twoLines = Arrays.asList("hi", "there");
        Files.write(tmpfile, twoLines, US_ASCII);
        try (Stream<String> s = Files.lines(tmpfile)) {
            checkLines(s, twoLines);
        }
        try (Stream<String> s = Files.lines(tmpfile, US_ASCII)) {
            checkLines(s, twoLines);
        }
        // MalformedInputException
        byte[] bad = { (byte) 0xff, (byte) 0xff };
        Files.write(tmpfile, bad);
        try (Stream<String> s = Files.lines(tmpfile)) {
            checkMalformedInputException(s);
        }
        try (Stream<String> s = Files.lines(tmpfile, US_ASCII)) {
            checkMalformedInputException(s);
        }
        // NullPointerException
        checkNullPointerException(() -> Files.lines(null));
        checkNullPointerException(() -> Files.lines(null, US_ASCII));
        checkNullPointerException(() -> Files.lines(tmpfile, null));
    } finally {
        Files.delete(tmpfile);
    }
}

Example 62 with Charset

use of java.nio.charset.Charset in project jdk8u_jdk by JetBrains.

the class BytesAndLines method testNulls.

/**
     * Exercise NullPointerException
     */
public void testNulls() {
    Path file = Paths.get("foo");
    byte[] bytes = new byte[100];
    List<String> lines = Collections.emptyList();
    checkNullPointerException(() -> Files.readAllBytes(null));
    checkNullPointerException(() -> Files.write(null, bytes));
    checkNullPointerException(() -> Files.write(file, (byte[]) null));
    checkNullPointerException(() -> Files.write(file, bytes, (OpenOption[]) null));
    checkNullPointerException(() -> Files.write(file, bytes, new OpenOption[] { null }));
    checkNullPointerException(() -> Files.readAllLines(null));
    checkNullPointerException(() -> Files.readAllLines(file, (Charset) null));
    checkNullPointerException(() -> Files.readAllLines(null, Charset.defaultCharset()));
    checkNullPointerException(() -> Files.write(null, lines));
    checkNullPointerException(() -> Files.write(file, (List<String>) null));
    checkNullPointerException(() -> Files.write(file, lines, (OpenOption[]) null));
    checkNullPointerException(() -> Files.write(file, lines, new OpenOption[] { null }));
    checkNullPointerException(() -> Files.write(null, lines, Charset.defaultCharset()));
    checkNullPointerException(() -> Files.write(file, null, Charset.defaultCharset()));
    checkNullPointerException(() -> Files.write(file, lines, (Charset) null));
    checkNullPointerException(() -> Files.write(file, lines, Charset.defaultCharset(), (OpenOption[]) null));
    checkNullPointerException(() -> Files.write(file, lines, Charset.defaultCharset(), new OpenOption[] { null }));
}

Example 63 with Charset

use of java.nio.charset.Charset in project weex-example by KalicyZhou.

the class PDF417Writer method encode.

@Override
public BitMatrix encode(String contents, BarcodeFormat format, int width, int height, Map<EncodeHintType, ?> hints) throws WriterException {
    if (format != BarcodeFormat.PDF_417) {
        throw new IllegalArgumentException("Can only encode PDF_417, but got " + format);
    }
    PDF417 encoder = new PDF417();
    int margin = WHITE_SPACE;
    int errorCorrectionLevel = DEFAULT_ERROR_CORRECTION_LEVEL;
    if (hints != null) {
        if (hints.containsKey(EncodeHintType.PDF417_COMPACT)) {
            encoder.setCompact(Boolean.valueOf(hints.get(EncodeHintType.PDF417_COMPACT).toString()));
        }
        if (hints.containsKey(EncodeHintType.PDF417_COMPACTION)) {
            encoder.setCompaction(Compaction.valueOf(hints.get(EncodeHintType.PDF417_COMPACTION).toString()));
        }
        if (hints.containsKey(EncodeHintType.PDF417_DIMENSIONS)) {
            Dimensions dimensions = (Dimensions) hints.get(EncodeHintType.PDF417_DIMENSIONS);
            encoder.setDimensions(dimensions.getMaxCols(), dimensions.getMinCols(), dimensions.getMaxRows(), dimensions.getMinRows());
        }
        if (hints.containsKey(EncodeHintType.MARGIN)) {
            margin = Integer.parseInt(hints.get(EncodeHintType.MARGIN).toString());
        }
        if (hints.containsKey(EncodeHintType.ERROR_CORRECTION)) {
            errorCorrectionLevel = Integer.parseInt(hints.get(EncodeHintType.ERROR_CORRECTION).toString());
        }
        if (hints.containsKey(EncodeHintType.CHARACTER_SET)) {
            Charset encoding = Charset.forName(hints.get(EncodeHintType.CHARACTER_SET).toString());
            encoder.setEncoding(encoding);
        }
    }
    return bitMatrixFromEncoder(encoder, contents, errorCorrectionLevel, width, height, margin);
}

Example 64 with Charset

use of java.nio.charset.Charset in project weex-example by KalicyZhou.

the class DecodedBitStreamParser method decode.

static DecoderResult decode(int[] codewords, String ecLevel) throws FormatException {
    StringBuilder result = new StringBuilder(codewords.length * 2);
    Charset encoding = DEFAULT_ENCODING;
    // Get compaction mode
    int codeIndex = 1;
    int code = codewords[codeIndex++];
    PDF417ResultMetadata resultMetadata = new PDF417ResultMetadata();
    while (codeIndex < codewords[0]) {
        switch(code) {
            case TEXT_COMPACTION_MODE_LATCH:
                codeIndex = textCompaction(codewords, codeIndex, result);
                break;
            case BYTE_COMPACTION_MODE_LATCH:
            case BYTE_COMPACTION_MODE_LATCH_6:
                codeIndex = byteCompaction(code, codewords, encoding, codeIndex, result);
                break;
            case MODE_SHIFT_TO_BYTE_COMPACTION_MODE:
                result.append((char) codewords[codeIndex++]);
                break;
            case NUMERIC_COMPACTION_MODE_LATCH:
                codeIndex = numericCompaction(codewords, codeIndex, result);
                break;
            case ECI_CHARSET:
                CharacterSetECI charsetECI = CharacterSetECI.getCharacterSetECIByValue(codewords[codeIndex++]);
                encoding = Charset.forName(charsetECI.name());
                break;
            case ECI_GENERAL_PURPOSE:
                // Can't do anything with generic ECI; skip its 2 characters
                codeIndex += 2;
                break;
            case ECI_USER_DEFINED:
                // Can't do anything with user ECI; skip its 1 character
                codeIndex++;
                break;
            case BEGIN_MACRO_PDF417_CONTROL_BLOCK:
                codeIndex = decodeMacroBlock(codewords, codeIndex, resultMetadata);
                break;
            case BEGIN_MACRO_PDF417_OPTIONAL_FIELD:
            case MACRO_PDF417_TERMINATOR:
                // Should not see these outside a macro block
                throw FormatException.getFormatInstance();
            default:
                // Default to text compaction. During testing numerous barcodes
                // appeared to be missing the starting mode. In these cases defaulting
                // to text compaction seems to work.
                codeIndex--;
                codeIndex = textCompaction(codewords, codeIndex, result);
                break;
        }
        if (codeIndex < codewords.length) {
            code = codewords[codeIndex++];
        } else {
            throw FormatException.getFormatInstance();
        }
    }
    if (result.length() == 0) {
        throw FormatException.getFormatInstance();
    }
    DecoderResult decoderResult = new DecoderResult(null, result.toString(), null, ecLevel);
    decoderResult.setOther(resultMetadata);
    return decoderResult;
}

Example 65 with Charset

use of java.nio.charset.Charset in project jdk8u_jdk by JetBrains.

the class Test6254467 method main.

public static void main(String[] args) throws Exception {
    Charset ebcdic = Charset.forName("ebcdic-cp-us");
    ebcdic = Charset.forName("ebcdic-cp-ca");
    ebcdic = Charset.forName("ebcdic-cp-wt");
    ebcdic = Charset.forName("ebcdic-cp-nl");
}