Examples of org.grails.buffer.StreamByteBuffer$StreamByteBufferChunk

org.grails.buffer.StreamByteBuffer
An in-memory buffer that provides OutputStream and InputStream interfaces. This is more efficient than using ByteArrayOutputStream/ByteArrayInputStream This is not thread-safe, it is intended to be used by a single Thread. @author Lari Hotari, Sagire Software Oy

        assertEquals(-1, input.read());
        input.close();
    }


    private void bufferTest2(int streamByteBufferSize, int testBufferSize) throws IOException {
        StreamByteBuffer streamBuf=new StreamByteBuffer(streamByteBufferSize);
        OutputStream output = streamBuf.getOutputStream();
        for (int i = 0;i < testBufferSize; i++) {
            output.write(i % (Byte.MAX_VALUE*2));
        }
        output.close();
        InputStream input=streamBuf.getInputStream();
        assertEquals(testBufferSize, input.available());
        for (int i = 0; i < testBufferSize; i++) {
            assertEquals((i % (Byte.MAX_VALUE*2)), input.read());
        }
        assertEquals(-1, input.read());

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        assertEquals(-1, input.read());
        input.close();
    }


    public void testWriteTo() throws IOException {
        StreamByteBuffer byteBuffer = createTestInstance();
        ByteArrayOutputStream bytesOut = new ByteArrayOutputStream(byteBuffer.totalBytesUnread());
        byteBuffer.writeTo(bytesOut);
        byte[] result = bytesOut.toByteArray();
        assertTrue(Arrays.equals(testbuffer, result));
    }

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        byte[] result = bytesOut.toByteArray();
        assertTrue(Arrays.equals(testbuffer, result));
    }


    public void testToInputStreamOneByOne() throws IOException {
        StreamByteBuffer byteBuffer = createTestInstance();
        InputStream input = byteBuffer.getInputStream();
        ByteArrayOutputStream bytesOut = new ByteArrayOutputStream(byteBuffer.totalBytesUnread());
        copyOneByOne(input, bytesOut);
        byte[] result = bytesOut.toByteArray();
        assertTrue(Arrays.equals(testbuffer, result));
    }

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        }
        return count;
    }


    private StreamByteBuffer createTestInstance() throws IOException {
        StreamByteBuffer byteBuffer = new StreamByteBuffer();
        OutputStream output = byteBuffer.getOutputStream();
        copyAllFromTestBuffer(output, 27);
        return byteBuffer;
    }

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    public InputStream parse() {
        resolveKeepGeneratedDirectory();


        StreamCharBuffer streamBuffer = new StreamCharBuffer(1024);
        StreamByteBuffer byteOutputBuffer = new StreamByteBuffer(1024,
                StreamByteBuffer.ReadMode.RETAIN_AFTER_READING);


        try {
            streamBuffer.connectTo(new OutputStreamWriter(byteOutputBuffer.getOutputStream(),
                    GROOVY_SOURCE_CHAR_ENCODING), true);
        }
        catch (UnsupportedEncodingException e) {
            throw new RuntimeException("Grails cannot run unless your environment supports UTF-8!");
        }


        File keepGeneratedFile = null;
        Writer keepGeneratedWriter = null;
        if (keepGeneratedDirectory != null) {
            keepGeneratedFile = new File(keepGeneratedDirectory, className);
            try {
                keepGeneratedWriter = new OutputStreamWriter(
                        new FileOutputStream(keepGeneratedFile),
                        GROOVY_SOURCE_CHAR_ENCODING);
            }
            catch (IOException e) {
                LOG.warn("Cannot open keepgenerated file for writing. File's absolute path is '" +
                        keepGeneratedFile.getAbsolutePath() + "'");
                keepGeneratedFile = null;
            }
            streamBuffer.connectTo(keepGeneratedWriter, true);
        }


        Writer target = streamBuffer.getWriter();
        try {
            generateGsp(target, false);


            if (LOG.isDebugEnabled()) {
                if (keepGeneratedFile != null) {
                    LOG.debug("Compiled GSP into Groovy code. Source is in " + keepGeneratedFile);
                }
                else {
                    LOG.debug("Configure " + CONFIG_PROPERTY_GSP_KEEPGENERATED_DIR +
                            " property to view generated source.");
                }
            }
            return byteOutputBuffer.getInputStream();
        }
        finally {
            SpringIOUtils.closeQuietly(keepGeneratedWriter);
        }
    }

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