Example usage for org.apache.commons.lang3 CharEncoding US_ASCII

Introduction

In this page you can find the example usage for org.apache.commons.lang3 CharEncoding US_ASCII.

Prototype

String US_ASCII

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Document

Seven-bit ASCII, also known as ISO646-US, also known as the Basic Latin block of the Unicode character set.

Every implementation of the Java platform is required to support this character encoding.

Usage

From source file:com.silverpeas.ical.StringUtils.java

static byte[] encodeArray(char[] chars, Charset encoding) throws CharacterCodingException {
    if (CharEncoding.US_ASCII.equals(encoding.name())) {
        byte[] array = new byte[chars.length];
        for (int i = 0; i < array.length; i++) {
            array[i] = (byte) chars[i];
        }//from ww w  .  jav  a  2s  . c om
        return array;
    }
    ByteBuffer buffer = encoding.newEncoder().encode(CharBuffer.wrap(chars));
    byte[] array = new byte[buffer.limit()];
    System.arraycopy(buffer.array(), 0, array, 0, array.length);
    return array;
}

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From source file:com.norconex.commons.lang.io.ByteArrayOutputStreamTest.java

@Test
public void testByteArrayOutputStream() throws IOException {
    String val1 = "0123456789";
    String val2 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    byte[] b = null;
    ByteArrayOutputStream out = new ByteArrayOutputStream(5);
    String enc = CharEncoding.US_ASCII;

    // test nothing written
    b = new byte[5];
    Assert.assertEquals("no-write-yet-getByte", -1, out.getByte(5));
    Assert.assertEquals("no-write-yet-getBytes", -1, out.getBytes(b, 0));

    // test getByte()
    out.write(val1.getBytes(enc));
    Assert.assertEquals("getByte-0", '0', (char) out.getByte(0));
    Assert.assertEquals("getByte-5", '5', (char) out.getByte(5));
    Assert.assertEquals("getByte-9", '9', (char) out.getByte(9));
    Assert.assertEquals("getByte-10", -1, out.getByte(10));
    Assert.assertEquals("val1-count", 10, out.size());

    // test getBytes()
    b = new byte[6];
    out.getBytes(b, 0);//from  w w w .j a va 2  s  . c  om
    Assert.assertEquals("getBytes-012345", "012345", new String(b, enc));

    b = new byte[3];
    out.getBytes(b, 6);
    Assert.assertEquals("getBytes-678", "678", new String(b, enc));

    b = new byte[3];
    out.getBytes(b, 6);
    Assert.assertEquals("getBytes-678", "678", new String(b, enc));

    b = new byte[12];
    int read = out.getBytes(b, 8);
    Assert.assertEquals("getBytes-89", "89", new String(b, 0, read, enc));
    out.write(val2.getBytes(enc));
    out.getBytes(b, 8);
    Assert.assertEquals("getBytes-89ABCDEFGHIJ", "89ABCDEFGHIJ", new String(b, enc));

    // toByteArray()
    Assert.assertEquals("toByteArray", val1 + val2, new String(out.toByteArray(), enc));

    out.close();
}

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From source file:com.silverpeas.ical.StringUtils.java

static char[] decodeToArray(byte[] bytes, Charset encoding) {
    if (CharEncoding.US_ASCII.equals(encoding.name())) {
        char[] array = new char[bytes.length];
        for (int i = 0; i < array.length; i++) {
            array[i] = (char) bytes[i];
        }//from  ww  w  .  j  a v a2 s  . co  m
        return array;
    }
    try {
        CharBuffer buffer = encoding.newDecoder().decode(ByteBuffer.wrap(bytes));
        char[] array = new char[buffer.limit()];
        System.arraycopy(buffer.array(), 0, array, 0, array.length);
        return array;
    } catch (Exception nioException) {
        return (new String(bytes, encoding)).toCharArray();
    }
}

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From source file:com.norconex.commons.lang.io.CachedInputStreamTest.java

@Test
public void testMarking() throws IOException {
    String content = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";

    ByteArrayInputStream is = new ByteArrayInputStream(content.getBytes());

    CachedStreamFactory factory = new CachedStreamFactory(200, 100);
    CachedInputStream cache = factory.newInputStream(is);
    try {/*from  w w w .  j  a  v a 2 s.c o m*/
        String enc = CharEncoding.US_ASCII;
        byte[] bytes = null;
        bytes = new byte[5];
        cache.read(bytes);
        Assert.assertEquals("01234", new String(bytes, enc));
        cache.mark(999);
        cache.read(bytes);
        Assert.assertEquals("56789", new String(bytes, enc));
        cache.reset();
        bytes = new byte[7];
        cache.read(bytes);
        Assert.assertEquals("56789AB", new String(bytes, enc));
    } finally {
        IOUtils.closeQuietly(cache);
        cache.dispose();
    }
}

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