Examples of org.mule.api.transformer.Transformer.transform()

Class org.mule.api.transformer.Transformer

Examples of org.mule.api.transformer.Transformer.transform()

org.mule.api.transformer.Transformer.transform()
Thransforms the supplied data and returns the result @param src the data to transform @return the transformed data @throws TransformerException if a error occurs transforming the data or if theexpected returnClass isn't the same as the transformed data

        if(expected instanceof String)
        {
            try
            {
                Transformer toObject = getRoundTripTransformer();
                expected = toObject.transform(expected);
                result = toObject.transform(result);
            }
            catch (Exception e)
            {
                fail(e.getMessage());

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        {
            try
            {
                Transformer toObject = getRoundTripTransformer();
                expected = toObject.transform(expected);
                result = toObject.transform(result);
            }
            catch (Exception e)
            {
                fail(e.getMessage());
                return false;

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    {
        Transformer trans = muleContext.getRegistry().lookupTransformer("test1");
        assertNotNull(trans);
        MuleMessage message = new DefaultMuleMessage("<testing/>", muleContext);
        message.setOutboundProperty("Welcome", "hello");
        Object result = trans.transform(message);
        assertNotNull(result);
        XMLUnit.setIgnoreWhitespace(true);
        XMLAssert.assertEquals("<?xml version=\"1.0\" encoding=\"UTF-8\"?><echo-value xmlns=\"http://test.com\">hello</echo-value>", result);
    }
}

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    public void testReturnType() throws Exception
    {
        Transformer trans = muleContext.getRegistry().lookupTransformer("testTransformer");
        assertNotNull(trans);
        String inputMessage = "ABCDEF";
        byte[] array = (byte[]) trans.transform(inputMessage);


        MuleMessage message = new DefaultMuleMessage(inputMessage, muleContext);
        List<Transformer> transformers = Arrays.asList(new Transformer[] {trans});
        message.applyTransformers(null, transformers);
        assertEquals("text/plain", message.getDataType().getMimeType());

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        {
            throw new TransformerException(CoreMessages.noTransformerFoundForMessage(source, resultType));
        }


        // Pass in the message itself
        Object result = transformer.transform(this, encoding);


        // Unless we disallow Object.class as a valid return type we need to do this extra check
        if (!resultType.getType().isAssignableFrom(result.getClass()))
        {
            throw new TransformerException(CoreMessages.transformOnObjectNotOfSpecifiedType(resultType, result));

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        Object temp = message;
        Transformer lastTransformer = null;
        for (Iterator iterator = transformers.iterator(); iterator.hasNext();)
        {
            lastTransformer = (Transformer) iterator.next();
            temp = lastTransformer.transform(temp);
            if (temp instanceof MuleMessage)
            {
                result = (MuleMessage) temp;
            }
            else

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        {
            DataType<?> source = DataTypeFactory.create(arg.getClass());
            DataType<?> target = DataTypeFactory.create(type);
            // Throws TransformerException if no suitable transformer is found
            Transformer t = muleContext.getRegistry().lookupTransformer(source, target);
            arg = t.transform(arg);
        }
        return arg;
    }


    public void setObject(Object object)

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    }


    public void testTransform() throws Exception
    {
        Transformer trans = this.getTransformer();
        Object result = trans.transform(getTestData());
        assertNotNull("The result of the transform shouldn't be null", result);


        Object expectedResult = this.getResultData();
        assertNotNull("The expected result data must not be null", expectedResult);

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    {
        Transformer roundTripTransformer = this.getRoundTripTransformer();
        //If null this is just a one way test
        if (roundTripTransformer != null)
        {
            Object result = roundTripTransformer.transform(this.getResultData());
            assertNotNull("The result of the roundtrip transform shouldn't be null", result);


            final boolean match = this.compareRoundtripResults(this.getTestData(), result);


            if (!match)

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                //If the return type does not match, lets attempt to transform it before throwing an error
                try
                {
                    Transformer t = muleContext.getRegistry().lookupTransformer(
                        DataTypeFactory.createFromObject(result), DataTypeFactory.create(getReturnClass()));
                    result = t.transform(result);
                }
                catch (TransformerException e)
                {
                    throw new ExpressionRuntimeException(CoreMessages.transformUnexpectedType(result.getClass(),
                    getReturnClass()), e);

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