Examples of JacksonXMLProvider

com.fasterxml.jackson.jaxrs.xml.JacksonXMLProvider
Basic implementation of JAX-RS abstractions ( {@link MessageBodyReader}, {@link MessageBodyWriter}) needed for binding JSON ("application/json") content to and from Java Objects ("POJO"s).
Actual data binding functionality is implemented by {@link ObjectMapper}: mapper to use can be configured in multiple ways:
- By explicitly passing mapper to use in constructor
- By explictly setting mapper to use by {@link #setMapper}
- By defining JAX-RS Provider that returns {@link XmlMapper}s.
- By doing none of above, in which case a default mapper instance is constructed (and configured if configuration methods are called)
The last method ("do nothing specific") is often good enough; explicit passing of Mapper is simple and explicit; and Provider-based method may make sense with Depedency Injection frameworks, or if Mapper has to be configured differently for different media types.
Note that the default mapper instance will be automatically created if one of explicit configuration methods (like {@link #configure}) is called: if so, Provider-based introspection is NOT used, but the resulting Mapper is used as configured.
Note that there is also a sub-class -- ( {@link JacksonJaxbXMLProvider}) -- that is configured by default to use both Jackson and JAXB annotations for configuration (base class when used as-is defaults to using just Jackson annotations) @author Tatu Saloranta

Examples of com.fasterxml.jackson.jaxrs.xml.JacksonXMLProvider

        public int a = 3;
    }
    
    public void testRootType() throws Exception
    {
        JacksonXMLProvider prov = new JacksonXMLProvider();
        TypeReference<?> ref = new TypeReference<List<Bean>>(){};
        ArrayList<Bean> list = new ArrayList<Bean>();
        list.add(new Bean());
        list.add(new Bean());
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        MediaType mt = MediaType.APPLICATION_JSON_TYPE;
        prov.writeTo(list, List.class, ref.getType(), new Annotation[0], mt, null, out);


        String xml = out.toString("UTF-8");
        /* 09-Oct-2013, tatu: With 2.2, this produced "unwrapped" output; but
         *   with 2.3 it should use same defaults as XML module. So 'wrappers'
         *   are used for Collections, unless explicitly disabled.

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Examples of com.fasterxml.jackson.jaxrs.xml.JacksonXMLProvider

    /**********************************************************
     */
    
    public void testDefaultUntouchables() throws Exception
    {
        JacksonXMLProvider prov = new JacksonXMLProvider();
        // By default, no reason to exclude, say, this test class...
        assertTrue(prov.isReadable(getClass(), getClass(), null, null));
        assertTrue(prov.isWriteable(getClass(), getClass(), null, null));


        // but some types should be ignored (set of ignorable may change over time tho!)
        assertFalse(prov.isWriteable(StreamingOutput.class, StreamingOutput.class, null, null));


        // and then on-the-fence things (see [Issue-1])
        assertFalse(prov.isReadable(String.class, getClass(), null, null));
        assertFalse(prov.isReadable(byte[].class, getClass(), null, null));
    }

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Examples of com.fasterxml.jackson.jaxrs.xml.JacksonXMLProvider

        assertFalse(prov.isReadable(byte[].class, getClass(), null, null));
    }


    public void testCustomUntouchables() throws Exception
    {
        JacksonXMLProvider prov = new JacksonXMLProvider();        
        // can mark this as ignorable...
        prov.addUntouchable(getClass());
        // and then it shouldn't be processable
        assertFalse(prov.isReadable(getClass(), getClass(), null, null));
        assertFalse(prov.isWriteable(getClass(), getClass(), null, null));


        // Same for interfaces, like:
        prov.addUntouchable(Collection.class);
        assertFalse(prov.isReadable(ArrayList.class, ArrayList.class, null, null));
        assertFalse(prov.isWriteable(HashSet.class, HashSet.class, null, null));
    }

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Examples of com.fasterxml.jackson.jaxrs.xml.JacksonXMLProvider


public class TestXMLVersions extends JaxrsTestBase
{
    public void testMapperVersions()
    {
        assertVersion(new JacksonXMLProvider());
    }

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Examples of com.fasterxml.jackson.jaxrs.xml.JacksonXMLProvider

    }


    protected static abstract class XMLApplicationWithJackson extends XMLApplication
    {
        public XMLApplicationWithJackson(Object resource) {
            super(new JacksonXMLProvider(), resource);
        }

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Examples of com.fasterxml.jackson.jaxrs.xml.JacksonXMLProvider

     */


    // [Issue-2], serialization
    public void testWriteConfigs() throws Exception
    {
        JacksonXMLProvider prov = new JacksonXMLProvider();
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        Bean bean = new Bean();
        Method m = getClass().getDeclaredMethod("writeConfig");
        JacksonFeatures feats = m.getAnnotation(JacksonFeatures.class);
        assertNotNull(feats); // just a sanity check


        /* 09-Oct-2013, tatu: As of 2.3, XML backend does NOT add extra wrapping
         *   any more: it is only added to JSON where it is needed; but not
         *   to XML which always basically uses wrapping.
         */
        try {
            prov.writeTo(bean, bean.getClass(), bean.getClass(), new Annotation[] { feats },
                    MediaType.APPLICATION_JSON_TYPE, null, out);
        } catch (Exception e) {
            throw unwrap(e);
        }


        //
        assertEquals("<Bean><a>3</a></Bean>", out.toString("UTF-8"));


        // but without, not:
        out.reset();
        prov.writeTo(bean, bean.getClass(), bean.getClass(), new Annotation[] { },
                MediaType.APPLICATION_JSON_TYPE, null, out);
        assertEquals("<Bean><a>3</a></Bean>", out.toString("UTF-8"));
    }

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Examples of com.fasterxml.jackson.jaxrs.xml.JacksonXMLProvider

        assertEquals("<Bean><a>3</a></Bean>", out.toString("UTF-8"));
    }
    
    public void testWriteConfigsViaBundle() throws Exception
    {
        JacksonXMLProvider prov = new JacksonXMLProvider();
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        Bean bean = new Bean();
        Method m = getClass().getDeclaredMethod("writeConfig2");
        // should still enable root-wrapping
        prov.writeTo(bean, bean.getClass(), bean.getClass(), m.getAnnotations(),
                MediaType.APPLICATION_JSON_TYPE, null, out);
        // as per above, no extra wrapping for XML, in 2.3:
        assertEquals("<Bean><a>3</a></Bean>", out.toString("UTF-8"));
    }

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Examples of com.fasterxml.jackson.jaxrs.xml.JacksonXMLProvider

    }
    
    // [Issue-2], deserialization
    public void testReadConfigs() throws Exception
    {
        JacksonXMLProvider prov = new JacksonXMLProvider();
        Method m = getClass().getDeclaredMethod("readConfig");
        JacksonFeatures feats = m.getAnnotation(JacksonFeatures.class);
        assertNotNull(feats); // just a sanity check


        // ok: here let's verify that we can disable exception throwing unrecognized things
        @SuppressWarnings("unchecked")
        Class<Object> raw = (Class<Object>)(Class<?>)Bean.class;
        Object ob = prov.readFrom(raw, raw,
                new Annotation[] { feats },
                MediaType.APPLICATION_JSON_TYPE, null,
                new ByteArrayInputStream("<Bean><foobar>3</foobar></Bean>".getBytes("UTF-8")));
        assertNotNull(ob);


        // but without setting, get the exception
        try {
            prov.readFrom(raw, raw,
                    new Annotation[] { },
                    MediaType.APPLICATION_JSON_TYPE, null,
                    new ByteArrayInputStream("<Bean><foobar>3</foobar></Bean>".getBytes("UTF-8")));
            fail("Should have caught an exception");
        } catch (JsonMappingException e) {

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Examples of com.fasterxml.jackson.jaxrs.xml.JacksonXMLProvider

    /**********************************************************
     */
    
    public void testDefaultUntouchables() throws Exception
    {
        JacksonXMLProvider prov = new JacksonXMLProvider();
        // By default, no reason to exclude, say, this test class...
        assertTrue(prov.isReadable(getClass(), getClass(), null, null));
        assertTrue(prov.isWriteable(getClass(), getClass(), null, null));


        // but some types should be ignored (set of ignorable may change over time tho!)
        assertFalse(prov.isWriteable(StreamingOutput.class, StreamingOutput.class, null, null));


        // and then on-the-fence things (see [Issue-1])
        assertFalse(prov.isReadable(String.class, getClass(), null, null));
        assertFalse(prov.isReadable(byte[].class, getClass(), null, null));
    }

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Examples of com.fasterxml.jackson.jaxrs.xml.JacksonXMLProvider

        assertFalse(prov.isReadable(byte[].class, getClass(), null, null));
    }


    public void testCustomUntouchables() throws Exception
    {
        JacksonXMLProvider prov = new JacksonXMLProvider();        
        // can mark this as ignorable...
        prov.addUntouchable(getClass());
        // and then it shouldn't be processable
        assertFalse(prov.isReadable(getClass(), getClass(), null, null));
        assertFalse(prov.isWriteable(getClass(), getClass(), null, null));


        // Same for interfaces, like:
        prov.addUntouchable(Collection.class);
        assertFalse(prov.isReadable(ArrayList.class, ArrayList.class, null, null));
        assertFalse(prov.isWriteable(HashSet.class, HashSet.class, null, null));
    }

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