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

Example 46 with CharsetEncoder

use of java.nio.charset.CharsetEncoder in project j2objc by google.

the class CharsetEncoderTest method testSurrogatePairAllAtOnce.

public void testSurrogatePairAllAtOnce() throws Exception {
    // okay: surrogate pair seen all at once is decoded to U+20b9f.
    Charset cs = Charset.forName("UTF-32BE");
    CharsetEncoder e = cs.newEncoder();
    ByteBuffer bb = ByteBuffer.allocate(128);
    CoderResult cr = e.encode(CharBuffer.wrap(new char[] { '�', '�' }), bb, false);
    assertEquals(CoderResult.UNDERFLOW, cr);
    assertEquals(4, bb.position());
    assertEquals((byte) 0x00, bb.get(0));
    assertEquals((byte) 0x02, bb.get(1));
    assertEquals((byte) 0x0b, bb.get(2));
    assertEquals((byte) 0x9f, bb.get(3));
}

Example 47 with CharsetEncoder

use of java.nio.charset.CharsetEncoder in project j2objc by google.

the class CharsetEncoderTest method testFlushWithoutEndOfInput.

public void testFlushWithoutEndOfInput() throws Exception {
    Charset cs = Charset.forName("UTF-32BE");
    CharsetEncoder e = cs.newEncoder();
    ByteBuffer bb = ByteBuffer.allocate(128);
    CoderResult cr = e.encode(CharBuffer.wrap(new char[] { 'x' }), bb, false);
    assertEquals(CoderResult.UNDERFLOW, cr);
    assertEquals(4, bb.position());
    try {
        cr = e.flush(bb);
    } catch (IllegalStateException expected) {
    // you must call encode with endOfInput true before you can flush.
    }
    // We had a bug where we wouldn't reset inEnd before calling encode in implFlush.
    // That would result in flush outputting garbage.
    cr = e.encode(CharBuffer.wrap(new char[] { 'x' }), bb, true);
    assertEquals(CoderResult.UNDERFLOW, cr);
    assertEquals(8, bb.position());
    cr = e.flush(bb);
    assertEquals(CoderResult.UNDERFLOW, cr);
    assertEquals(8, bb.position());
}

Example 48 with CharsetEncoder

use of java.nio.charset.CharsetEncoder in project robovm by robovm.

the class CharsetEncoderTest method test_EncodeLjava_nio_CharBufferLjava_nio_ByteBufferB.

/*
     * Test reserve bytes encode(CharBuffer,ByteBuffer,boolean)
     */
public void test_EncodeLjava_nio_CharBufferLjava_nio_ByteBufferB() throws Exception {
    Charset utf8 = Charset.forName("utf-8");
    CharsetEncoder encoder = utf8.newEncoder();
    CharBuffer char1 = CharBuffer.wrap("�");
    CharBuffer char2 = CharBuffer.wrap("�");
    ByteBuffer bytes = ByteBuffer.allocate(4);
    encoder.reset();
    // If we supply just the high surrogate...
    CoderResult result = encoder.encode(char1, bytes, false);
    // ...we're not done...
    assertTrue(result.isUnderflow());
    assertEquals(4, bytes.remaining());
    // ...but if we then supply the low surrogate...
    result = encoder.encode(char2, bytes, true);
    assertTrue(result.isUnderflow());
    // ...we're done. Note that the RI loses its state in
    // between the two characters, so it can't do this.
    assertEquals(0, bytes.remaining());
    // Did we get the UTF-8 for U+10000?
    assertEquals(4, bytes.limit());
    assertEquals((byte) 0xf0, bytes.get(0));
    assertEquals((byte) 0x90, bytes.get(1));
    assertEquals((byte) 0x80, bytes.get(2));
    assertEquals((byte) 0x80, bytes.get(3));
    // See what we got in the output buffer by decoding and checking that we
    // get back the same surrogate pair.
    bytes.flip();
    CharBuffer chars = utf8.newDecoder().decode(bytes);
    assertEquals(0, bytes.remaining());
    assertEquals(2, chars.limit());
    assertEquals(0xd800, chars.get(0));
    assertEquals(0xdc00, chars.get(1));
}

Example 49 with CharsetEncoder

use of java.nio.charset.CharsetEncoder in project robovm by robovm.

the class CharsetEncoderTest method test_ConstructorLjava_nio_charset_CharsetNull.

/**
     * @tests java.nio.charset.CharsetEncoder.CharsetEncoder(
     *        java.nio.charset.Charset, float, float)
     */
public void test_ConstructorLjava_nio_charset_CharsetNull() {
    // Regression for HARMONY-491
    CharsetEncoder ech = new MockCharsetEncoderForHarmony491(null, 1, 1);
    assertNull(ech.charset());
}

Example 50 with CharsetEncoder

use of java.nio.charset.CharsetEncoder in project nanohttpd by NanoHttpd.

the class Response method newFixedLengthResponse.

/**
     * Create a text response with known length.
     */
public static Response newFixedLengthResponse(IStatus status, String mimeType, String txt) {
    ContentType contentType = new ContentType(mimeType);
    if (txt == null) {
        return newFixedLengthResponse(status, mimeType, new ByteArrayInputStream(new byte[0]), 0);
    } else {
        byte[] bytes;
        try {
            CharsetEncoder newEncoder = Charset.forName(contentType.getEncoding()).newEncoder();
            if (!newEncoder.canEncode(txt)) {
                contentType = contentType.tryUTF8();
            }
            bytes = txt.getBytes(contentType.getEncoding());
        } catch (UnsupportedEncodingException e) {
            NanoHTTPD.LOG.log(Level.SEVERE, "encoding problem, responding nothing", e);
            bytes = new byte[0];
        }
        return newFixedLengthResponse(status, contentType.getContentTypeHeader(), new ByteArrayInputStream(bytes), bytes.length);
    }
}