Examples of com.sleepycat.util.FastOutputStream

com.sleepycat.util.FastOutputStream
A replacement for ByteArrayOutputStream that does not synchronize every byte read.
This class extends {@link OutputStream} and its write()methods allow it to be used as a standard output stream. In addition, it provides writeFast() methods that are not declared to throw IOException. IOException is never thrown by this class.
@author Mark Hayes

                  ("Data object class (" + object.getClass() + ')') :
                  "Null value") +
                 " is not an instance of binding's base class (" +
                 baseClass + ')');
        }
        FastOutputStream fo = getSerialOutput(object);
        try {
            SerialOutput jos = new SerialOutput(fo, classCatalog);
            jos.writeObject(object);
        } catch (IOException e) {
            throw RuntimeExceptionWrapper.wrapIfNeeded(e);
        }


        byte[] hdr = SerialOutput.getStreamHeader();
        entry.setData(fo.getBufferBytes(), hdr.length,
                     fo.getBufferLength() - hdr.length);
    }

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     * @see #setSerialBufferSize
     */
    protected FastOutputStream getSerialOutput(Object object) {
        int byteSize = getSerialBufferSize();
        if (byteSize != 0) {
            return new FastOutputStream(byteSize);
        } else {
            return new FastOutputStream();
        }
    }

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                 * [#18163]
                 */
                if (DbCompat.isDalvik()) {
                    try {
                        /* Serialize classFormat first. */
                        FastOutputStream fo = new FastOutputStream();
                        ObjectOutputStream oos = new ObjectOutputStream(fo);
                        oos.writeObject(classFormat);
                        byte[] bytes = fo.toByteArray();
                        /* Then deserialize classFormat. */
                        FastInputStream fi = new FastInputStream(bytes);
                        ObjectInputStream ois = new ObjectInputStream(fi);
                        classFormat = (ObjectStreamClass) ois.readObject();
                    } catch (Exception e) {

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            throw new IllegalArgumentException(
                        "Data object class (" + object.getClass() +
                        ") not an instance of binding's base class (" +
                        baseClass + ')');
        }
        FastOutputStream fo = getSerialOutput(object);
        try {
            SerialOutput jos = new SerialOutput(fo, classCatalog);
            jos.writeObject(object);
        } catch (IOException e) {
            throw new RuntimeExceptionWrapper(e);
        }


        byte[] hdr = SerialOutput.getStreamHeader();
        entry.setData(fo.getBufferBytes(), hdr.length,
                     fo.getBufferLength() - hdr.length);
    }

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    }


    public void testBufferSizing()
        throws Exception {


        FastOutputStream fos = new FastOutputStream();
        assertEquals
            (FastOutputStream.DEFAULT_INIT_SIZE, fos.getBufferBytes().length);


        /* Write X+1 bytes, expect array size 2X+1 */
        fos.write(new byte[FastOutputStream.DEFAULT_INIT_SIZE + 1]);
        assertEquals
            ((FastOutputStream.DEFAULT_INIT_SIZE * 2) + 1,
             fos.getBufferBytes().length);


        /* Write X+1 bytes, expect array size 4X+3 = (2(2X+1) + 1) */
        fos.write(new byte[FastOutputStream.DEFAULT_INIT_SIZE + 1]);
        assertEquals
            ((FastOutputStream.DEFAULT_INIT_SIZE * 4) + 3,
             fos.getBufferBytes().length);
    }

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        char c = 0;
        byte[] buf = new byte[10];
        byte[] javaBuf = new byte[10];
        char[] cArray = new char[1];
        FastOutputStream javaBufStream = new FastOutputStream(javaBuf);
        DataOutputStream javaOutStream = new DataOutputStream(javaBufStream);


        try {
            for (int cInt = Character.MIN_VALUE; cInt <= Character.MAX_VALUE;
                 cInt += 1) {
                c = (char) cInt;
                cArray[0] = c;
                int byteLen = UtfOps.getByteLength(cArray);


                javaBufStream.reset();
                javaOutStream.writeUTF(new String(cArray));
                int javaByteLen = javaBufStream.size() - 2;


                if (byteLen != javaByteLen) {
                    fail("Character 0x" + Integer.toHexString(c) +
                         " UtfOps size " + byteLen +
                         " != JavaIO size " + javaByteLen);

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    }


    void initSerialUnshared()
        throws Exception {


        fo = new FastOutputStream();
    }

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    void initSerialShared()
        throws Exception {


        jtc = new TestClassCatalog();
        fo = new FastOutputStream();
    }

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    void initXmlSax()
        throws Exception {


        buf = new byte[500];
        fo = new FastOutputStream();
        SAXParserFactory saxFactory = SAXParserFactory.newInstance();
        saxFactory.setNamespaceAware(true);
        parser = saxFactory.newSAXParser().getXMLReader();
    }

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     * @see #setSerialBufferSize
     */
    protected FastOutputStream getSerialOutput(Object object) {
        int byteSize = getSerialBufferSize();
        if (byteSize != 0) {
            return new FastOutputStream(byteSize);
        } else {
            return new FastOutputStream();
        }
    }

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