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

Example 96 with CharsetEncoder

use of java.nio.charset.CharsetEncoder in project android_frameworks_base by AOSPA.

the class StrictJarManifest method write.

/**
     * Writes out the attribute information of the specified manifest to the
     * specified {@code OutputStream}
     *
     * @param manifest
     *            the manifest to write out.
     * @param out
     *            The {@code OutputStream} to write to.
     * @throws IOException
     *             If an error occurs writing the {@code StrictJarManifest}.
     */
static void write(StrictJarManifest manifest, OutputStream out) throws IOException {
    CharsetEncoder encoder = StandardCharsets.UTF_8.newEncoder();
    ByteBuffer buffer = ByteBuffer.allocate(LINE_LENGTH_LIMIT);
    Attributes.Name versionName = Attributes.Name.MANIFEST_VERSION;
    String version = manifest.mainAttributes.getValue(versionName);
    if (version == null) {
        versionName = Attributes.Name.SIGNATURE_VERSION;
        version = manifest.mainAttributes.getValue(versionName);
    }
    if (version != null) {
        writeEntry(out, versionName, version, encoder, buffer);
        Iterator<?> entries = manifest.mainAttributes.keySet().iterator();
        while (entries.hasNext()) {
            Attributes.Name name = (Attributes.Name) entries.next();
            if (!name.equals(versionName)) {
                writeEntry(out, name, manifest.mainAttributes.getValue(name), encoder, buffer);
            }
        }
    }
    out.write(LINE_SEPARATOR);
    Iterator<String> i = manifest.getEntries().keySet().iterator();
    while (i.hasNext()) {
        String key = i.next();
        writeEntry(out, Attributes.Name.NAME, key, encoder, buffer);
        Attributes attributes = manifest.entries.get(key);
        Iterator<?> entries = attributes.keySet().iterator();
        while (entries.hasNext()) {
            Attributes.Name name = (Attributes.Name) entries.next();
            writeEntry(out, name, attributes.getValue(name), encoder, buffer);
        }
        out.write(LINE_SEPARATOR);
    }
}

Example 97 with CharsetEncoder

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

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);
        fail();
    } 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 98 with CharsetEncoder

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

the class CharsetEncoderTest method testMalformedSurrogatePair.

public void testMalformedSurrogatePair() throws Exception {
    // malformed: low surrogate first is detected as an error.
    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);
    assertTrue(cr.toString(), cr.isMalformed());
    assertEquals(1, cr.length());
}

Example 99 with CharsetEncoder

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

the class CharsetEncoderTest method testCharsetEncoderSplitSurrogates.

private void testCharsetEncoderSplitSurrogates(CodingErrorAction cea) throws Exception {
    // Writing the two halves of the surrogate pair in separate writes should work just fine.
    // This is true of Android and ICU, but not of the RI.
    // On the RI, writing the two halves of the surrogate pair in separate writes
    // is an error because the CharsetEncoder doesn't remember it's half-way through a
    // surrogate pair across the two calls!
    // IGNORE just ignores both characters, REPORT complains that the second is
    // invalid (because it doesn't remember seeing the first), and REPLACE inserts a
    // replacement character U+fffd when it sees the second character (because it too
    // doesn't remember seeing the first).
    // Android just does the right thing.
    Charset cs = Charset.forName("UTF-32BE");
    CharsetEncoder e = cs.newEncoder();
    e.onMalformedInput(cea);
    e.onUnmappableCharacter(cea);
    ByteBuffer bb = ByteBuffer.allocate(128);
    CoderResult cr = e.encode(CharBuffer.wrap(new char[] { '�' }), bb, false);
    assertEquals(CoderResult.UNDERFLOW, cr);
    assertEquals(0, bb.position());
    cr = e.encode(CharBuffer.wrap(new char[] { '�' }), bb, false);
    assertEquals(CoderResult.UNDERFLOW, cr);
    int expectedPosition = 4;
    assertEquals(expectedPosition, bb.position());
    System.err.println(Arrays.toString(Arrays.copyOfRange(bb.array(), 0, 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));
    cr = e.encode(CharBuffer.wrap(new char[] {}), bb, true);
    assertEquals(CoderResult.UNDERFLOW, cr);
    assertEquals(expectedPosition, bb.position());
    cr = e.flush(bb);
    assertEquals(CoderResult.UNDERFLOW, cr);
    assertEquals(expectedPosition, bb.position());
}

Example 100 with CharsetEncoder

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

the class Charset_TestGenerator method genEncoded.

static void genEncoded(Charset charset, CharBuffer cb) {
    System.out.println(charset.name());
    Dumper out = new Dumper1();
    CharsetEncoder encoder = charset.newEncoder();
    encoder.onUnmappableCharacter(CodingErrorAction.REPLACE);
    try {
        ByteBuffer bb = encoder.encode(cb);
        //            bb.rewind();
        while (bb.hasRemaining()) {
            out.consume(bb.get());
        }
    } catch (CharacterCodingException e) {
        System.out.println(e);
    //                e.printStackTrace();
    }
}