Examples with OutputStream java.io.OutputStream used on opensource projects

Example 41 with OutputStream

use of java.io.OutputStream in project hadoop by apache.

the class CryptoStreamsTestBase method testHasEnhancedByteBufferAccess.

@Test(timeout = 120000)
public void testHasEnhancedByteBufferAccess() throws Exception {
    OutputStream out = getOutputStream(defaultBufferSize);
    writeData(out);
    InputStream in = getInputStream(defaultBufferSize);
    final int len1 = dataLen / 8;
    // ByteBuffer size is len1
    ByteBuffer buffer = ((HasEnhancedByteBufferAccess) in).read(getBufferPool(), len1, EnumSet.of(ReadOption.SKIP_CHECKSUMS));
    int n1 = buffer.remaining();
    byte[] readData = new byte[n1];
    buffer.get(readData);
    byte[] expectedData = new byte[n1];
    System.arraycopy(data, 0, expectedData, 0, n1);
    Assert.assertArrayEquals(readData, expectedData);
    ((HasEnhancedByteBufferAccess) in).releaseBuffer(buffer);
    // Read len1 bytes
    readData = new byte[len1];
    readAll(in, readData, 0, len1);
    expectedData = new byte[len1];
    System.arraycopy(data, n1, expectedData, 0, len1);
    Assert.assertArrayEquals(readData, expectedData);
    // ByteBuffer size is len1
    buffer = ((HasEnhancedByteBufferAccess) in).read(getBufferPool(), len1, EnumSet.of(ReadOption.SKIP_CHECKSUMS));
    int n2 = buffer.remaining();
    readData = new byte[n2];
    buffer.get(readData);
    expectedData = new byte[n2];
    System.arraycopy(data, n1 + len1, expectedData, 0, n2);
    Assert.assertArrayEquals(readData, expectedData);
    ((HasEnhancedByteBufferAccess) in).releaseBuffer(buffer);
    in.close();
}

Example 42 with OutputStream

use of java.io.OutputStream in project hadoop by apache.

the class TestCryptoOutputStreamClosing method testOutputStreamNotClosing.

@Test
public void testOutputStreamNotClosing() throws Exception {
    OutputStream outputStream = mock(OutputStream.class);
    CryptoOutputStream cos = new CryptoOutputStream(outputStream, codec, new byte[16], new byte[16], 0L, false);
    cos.close();
    verify(outputStream, never()).close();
}

Example 43 with OutputStream

use of java.io.OutputStream in project hadoop by apache.

the class TestCryptoStreamsNormal method getOutputStream.

@Override
protected OutputStream getOutputStream(int bufferSize, byte[] key, byte[] iv) throws IOException {
    OutputStream out = new ByteArrayOutputStream() {

        @Override
        public void flush() throws IOException {
            buffer = buf;
            bufferLen = count;
        }

        @Override
        public void close() throws IOException {
            buffer = buf;
            bufferLen = count;
        }
    };
    return new CryptoOutputStream(out, codec, bufferSize, key, iv);
}

Example 44 with OutputStream

use of java.io.OutputStream in project groovy by apache.

the class NioGroovyMethods method append.

/**
     * Append the text at the end of the Path, using a specified encoding.  If
     * the given charset is "UTF-16BE" or "UTF-16LE" (or an equivalent alias),
     * <code>writeBom</code> is <code>true</code>, and the file doesn't already
     * exist, the requisite byte order mark is written to the file before the
     * text is appended.
     *
     * @param self     a Path
     * @param text     the text to append at the end of the Path
     * @param charset  the charset used
     * @param writeBom whether to write the BOM
     * @throws java.io.IOException if an IOException occurs.
     * @since 2.5.0
     */
public static void append(Path self, Object text, String charset, boolean writeBom) throws IOException {
    Writer writer = null;
    try {
        Charset resolvedCharset = Charset.forName(charset);
        boolean shouldWriteBom = writeBom && !self.toFile().exists();
        OutputStream out = Files.newOutputStream(self, CREATE, APPEND);
        if (shouldWriteBom) {
            IOGroovyMethods.writeUTF16BomIfRequired(out, resolvedCharset);
        }
        writer = new OutputStreamWriter(out, resolvedCharset);
        InvokerHelper.write(writer, text);
        writer.flush();
        Writer temp = writer;
        writer = null;
        temp.close();
    } finally {
        closeWithWarning(writer);
    }
}

Example 45 with OutputStream

use of java.io.OutputStream in project groovy by apache.

the class NioGroovyMethods method append.

/**
     * Append bytes to the end of a Path.  It <strong>will not</strong> be
     * interpreted as text.
     *
     * @param self  a Path
     * @param bytes the byte array to append to the end of the Path
     * @throws java.io.IOException if an IOException occurs.
     * @since 2.3.0
     */
public static void append(Path self, byte[] bytes) throws IOException {
    OutputStream stream = null;
    try {
        stream = Files.newOutputStream(self, CREATE, APPEND);
        stream.write(bytes, 0, bytes.length);
        stream.flush();
        OutputStream temp = stream;
        stream = null;
        temp.close();
    } finally {
        closeWithWarning(stream);
    }
}