Examples of GZipCompression

org.mule.util.compression.GZipCompression
GZipCompression is a CompressionStrategy implementation using the GZip library included in the JDK java.util.zip. This is the default CompressionStrategy used by the CompressionHelper discovery when no other implementation is discovered.

Examples of org.mule.util.compression.GZipCompression

    public void testCompressedBytesMessage() throws Exception
    {
        RequestContext.setEvent(getTestEvent("test"));


        // use GZIP
        CompressionStrategy compressor = new GZipCompression();


        // create compressible data
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        for (int i = 0; i < 5000; i++)
        {
            baos.write(i);
        }


        byte[] originalBytes = baos.toByteArray();
        byte[] compressedBytes = compressor.compressByteArray(originalBytes);
        assertTrue("Source compressedBytes should be compressed", compressor.isCompressed(compressedBytes));


        // now create a BytesMessage from the compressed byte[]
        AbstractJmsTransformer trans = new SessionEnabledObjectToJMSMessage(session);
        trans.setReturnDataType(DataTypeFactory.create(BytesMessage.class));
        initialiseObject(trans);
        Object result2 = trans.transform(compressedBytes);
        assertTrue("Transformed object should be a Bytes message", result2 instanceof BytesMessage);


        // check whether the BytesMessage contains the compressed bytes
        BytesMessage intermediate = (BytesMessage) result2;
        intermediate.reset();
        byte[] intermediateBytes = new byte[(int) (intermediate.getBodyLength())];
        int intermediateSize = intermediate.readBytes(intermediateBytes);
        assertTrue("Intermediate bytes must be compressed", compressor.isCompressed(intermediateBytes));
        assertTrue("Intermediate bytes must be equal to compressed source", Arrays.equals(compressedBytes,
            intermediateBytes));
        assertEquals("Intermediate bytes and compressed source must have same size", compressedBytes.length,
            intermediateSize);


        // now test the other way around: getting the byte[] from a manually created
        // BytesMessage
        AbstractJmsTransformer trans2 = createObject(JMSMessageToObject.class);
        trans2.setReturnDataType(DataTypeFactory.BYTE_ARRAY);
        BytesMessage bMsg = session.createBytesMessage();
        bMsg.writeBytes(compressedBytes);
        Object result = trans2.transform(bMsg);
        assertTrue("Transformed object should be a byte[]", result instanceof byte[]);
        assertTrue("Result should be compressed", compressor.isCompressed((byte[]) result));
        assertTrue("Source and result should be equal", Arrays.equals(compressedBytes, (byte[]) result));
    }

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Examples of org.mule.util.compression.GZipCompression

    protected GZipCompression strat;


    @Override
    protected void doSetUp() throws Exception
    {
        strat = new GZipCompression();
    }

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Examples of org.mule.util.compression.GZipCompression

public class GZipCompressTransformer extends AbstractCompressionTransformer
{
    public GZipCompressTransformer()
    {
        super();
        this.setStrategy(new GZipCompression());
        this.registerSourceType(DataTypeFactory.create(Serializable.class));
        this.registerSourceType(DataTypeFactory.BYTE_ARRAY);
        this.registerSourceType(DataTypeFactory.INPUT_STREAM);
        this.setReturnDataType(DataTypeFactory.BYTE_ARRAY);
    }

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Examples of org.mule.util.compression.GZipCompression

public class GZipUncompressTransformer extends AbstractCompressionTransformer
{
    public GZipUncompressTransformer()
    {
        super();
        this.setStrategy(new GZipCompression());
        this.registerSourceType(DataTypeFactory.BYTE_ARRAY);
        this.registerSourceType(DataTypeFactory.INPUT_STREAM);
        this.setReturnDataType(DataTypeFactory.BYTE_ARRAY);
    }

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Examples of org.mule.util.compression.GZipCompression

    private int beanProperty2;


    public TestCompressionTransformer()
    {
        super();
        this.setStrategy(new GZipCompression());
    }

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Examples of org.mule.util.compression.GZipCompression

    public void testCompressedBytesMessage() throws Exception
    {
        RequestContext.setEvent(getTestEvent("test"));


        // use GZIP
        CompressionStrategy compressor = new GZipCompression();


        // create compressible data
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        for (int i = 0; i < 5000; i++)
        {
            baos.write(i);
        }


        byte[] originalBytes = baos.toByteArray();
        byte[] compressedBytes = compressor.compressByteArray(originalBytes);
        assertTrue("Source compressedBytes should be compressed", compressor.isCompressed(compressedBytes));


        // now create a BytesMessage from the compressed byte[]
        AbstractJmsTransformer trans = new SessionEnabledObjectToJMSMessage(session);
        trans.setReturnClass(BytesMessage.class);
        Object result2 = trans.transform(compressedBytes);
        assertTrue("Transformed object should be a Bytes message", result2 instanceof BytesMessage);


        // check whether the BytesMessage contains the compressed bytes
        BytesMessage intermediate = (BytesMessage)result2;
        intermediate.reset();
        byte[] intermediateBytes = new byte[(int)(intermediate.getBodyLength())];
        int intermediateSize = intermediate.readBytes(intermediateBytes);
        assertTrue("Intermediate bytes must be compressed", compressor.isCompressed(intermediateBytes));
        assertTrue("Intermediate bytes must be equal to compressed source", Arrays.equals(compressedBytes,
            intermediateBytes));
        assertEquals("Intermediate bytes and compressed source must have same size", compressedBytes.length,
            intermediateSize);


        // now test the other way around: getting the byte[] from a manually created
        // BytesMessage
        AbstractJmsTransformer trans2 = new JMSMessageToObject();
        trans2.setReturnClass(byte[].class);
        BytesMessage bMsg = session.createBytesMessage();
        bMsg.writeBytes(compressedBytes);
        Object result = trans2.transform(bMsg);
        assertTrue("Transformed object should be a byte[]", result instanceof byte[]);
        assertTrue("Result should be compressed", compressor.isCompressed((byte[])result));
        assertTrue("Source and result should be equal", Arrays.equals(compressedBytes, (byte[])result));
    }

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Examples of org.mule.util.compression.GZipCompression

public class GZipCompressTransformer extends AbstractCompressionTransformer
{
    public GZipCompressTransformer()
    {
        super();
        this.setStrategy(new GZipCompression());
        this.registerSourceType(DataTypeFactory.create(Serializable.class));
        this.registerSourceType(DataTypeFactory.BYTE_ARRAY);
        this.registerSourceType(DataTypeFactory.INPUT_STREAM);
        // No type checking for the return type by default. It could either be a byte array or an input stream.
        this.setReturnDataType(DataTypeFactory.OBJECT);

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Examples of org.mule.util.compression.GZipCompression

public class GZipUncompressTransformer extends AbstractCompressionTransformer
{
    public GZipUncompressTransformer()
    {
        super();
        this.setStrategy(new GZipCompression());
        this.registerSourceType(DataTypeFactory.BYTE_ARRAY);
        this.registerSourceType(DataTypeFactory.INPUT_STREAM);
        // No type checking for the return type by default. It could either be a byte array, an input stream or an object.
        this.setReturnDataType(DataTypeFactory.OBJECT);
    }

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Examples of org.mule.util.compression.GZipCompression

    protected GZipCompression strat;


    @Override
    protected void doSetUp() throws Exception
    {
        strat = new GZipCompression();
    }

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Examples of org.mule.util.compression.GZipCompression

    public void testCompressedBytesMessage() throws Exception
    {
        RequestContext.setEvent(getTestEvent("test"));


        // use GZIP
        CompressionStrategy compressor = new GZipCompression();


        // create compressible data
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        for (int i = 0; i < 5000; i++)
        {
            baos.write(i);
        }


        byte[] originalBytes = baos.toByteArray();
        byte[] compressedBytes = compressor.compressByteArray(originalBytes);
        assertTrue("Source compressedBytes should be compressed", compressor.isCompressed(compressedBytes));


        // now create a BytesMessage from the compressed byte[]
        AbstractJmsTransformer trans = new SessionEnabledObjectToJMSMessage(session);
        trans.setReturnDataType(DataTypeFactory.create(BytesMessage.class));
        initialiseObject(trans);
        Object result2 = trans.transform(compressedBytes);
        assertTrue("Transformed object should be a Bytes message", result2 instanceof BytesMessage);


        // check whether the BytesMessage contains the compressed bytes
        BytesMessage intermediate = (BytesMessage) result2;
        intermediate.reset();
        byte[] intermediateBytes = new byte[(int) (intermediate.getBodyLength())];
        int intermediateSize = intermediate.readBytes(intermediateBytes);
        assertTrue("Intermediate bytes must be compressed", compressor.isCompressed(intermediateBytes));
        assertTrue("Intermediate bytes must be equal to compressed source", Arrays.equals(compressedBytes,
            intermediateBytes));
        assertEquals("Intermediate bytes and compressed source must have same size", compressedBytes.length,
            intermediateSize);


        // now test the other way around: getting the byte[] from a manually created
        // BytesMessage
        AbstractJmsTransformer trans2 = createObject(JMSMessageToObject.class);
        trans2.setReturnDataType(DataTypeFactory.BYTE_ARRAY);
        BytesMessage bMsg = session.createBytesMessage();
        bMsg.writeBytes(compressedBytes);
        Object result = trans2.transform(bMsg);
        assertTrue("Transformed object should be a byte[]", result instanceof byte[]);
        assertTrue("Result should be compressed", compressor.isCompressed((byte[]) result));
        assertTrue("Source and result should be equal", Arrays.equals(compressedBytes, (byte[]) result));
    }

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