Examples of JaxbAnnotationIntrospector

com.fasterxml.jackson.module.jaxb.JaxbAnnotationIntrospector
Annotation introspector that leverages JAXB annotations where applicable to JSON mapping. As of Jackson 2.0, most JAXB annotations are supported at least to some degree. Ones that are NOT yet supported are:
- {@link XmlAnyAttribute} not yet used (as of 1.5) but may be in future (as an alias for @JsonAnySetter?)
- {@link XmlAnyElement} not yet used, may be as per [JACKSON-253]
- {@link javax.xml.bind.annotation.XmlAttachmentRef}: JSON does not support external attachments
- {@link XmlElementDecl}
- {@link XmlElementRefs} because Jackson doesn't have any support for 'named' collection items -- however,this may become partially supported as per [JACKSON-253].
- {@link javax.xml.bind.annotation.XmlInlineBinaryData} since the underlying concepts(like XOP) do not exist in JSON -- Jackson will always use inline base64 encoding as the method
- {@link javax.xml.bind.annotation.XmlList} because JSON does have (or necessarily need)method of serializing list of values as space-separated Strings
- {@link javax.xml.bind.annotation.XmlMimeType}
- {@link javax.xml.bind.annotation.XmlMixed} since JSON has no concept of mixed content
- {@link XmlRegistry}
- {@link XmlSchema} not used, unlikely to be used
- {@link XmlSchemaType} not used, unlikely to be used
- {@link XmlSchemaTypes} not used, unlikely to be used
- {@link XmlSeeAlso} not yet supported, but [ISSUE-1] filed to use it, so may be supported.
Note also the following limitations:
- Any property annotated with {@link XmlValue} will have a property named 'value' on its JSON object.
@author Ryan Heaton @author Tatu Saloranta
org.codehaus.jackson.xc.JaxbAnnotationIntrospector
Annotation introspector that leverages JAXB annotations where applicable to JSON mapping.
The following JAXB annotations are not supported yet (but some may be supported in future)
- {@link XmlAnyAttribute} not yet used (as of 1.5) but may be in future (as an alias for @JsonAnySetter?)
- {@link XmlAnyElement} not yet used, may be as per [JACKSON-253]
- {@link javax.xml.bind.annotation.XmlAttachmentRef}: JSON does not support external attachments
- {@link XmlElementDecl}
- {@link XmlElementRefs} because Jackson doesn't have any support for 'named' collection items -- however,this may become partially supported as per [JACKSON-253].
- {@link XmlID} because Jackson doesn't support referential integrity. NOTE: this too may be supportedin future if/when id references are handled
- {@link XmlIDREF} same as XmlID
- {@link javax.xml.bind.annotation.XmlInlineBinaryData} since the underlying concepts(like XOP) do not exist in JSON -- Jackson will always use inline base64 encoding as the method
- {@link javax.xml.bind.annotation.XmlList} because JSON does have (or necessarily need)method of serializing list of values as space-separated Strings
- {@link javax.xml.bind.annotation.XmlMimeType}
- {@link javax.xml.bind.annotation.XmlMixed} since JSON has no concept of mixed content
- {@link XmlRegistry}
- {@link XmlRootElement} is recognized and used (as of 1.7) for defining root wrapper name (if used)
- {@link XmlSchema} not used, unlikely to be used
- {@link XmlSchemaType} not used, unlikely to be used
- {@link XmlSchemaTypes} not used, unlikely to be used
- {@link XmlSeeAlso} not needed for anything currently (could theoretically be usefulfor locating subtypes for Polymorphic Type Handling)
Note also the following limitations:
- Any property annotated with {@link XmlValue} will have a property named 'value' on its JSON object.
@author Ryan Heaton @author Tatu Saloranta

Examples of org.codehaus.jackson.xc.JaxbAnnotationIntrospector

    }


    private ObjectMapper getObjectMapper() throws IOException {
        if (this.objectMapper == null) {
            ObjectMapper objectMapper = new ObjectMapper();
            AnnotationIntrospector introspector = new JaxbAnnotationIntrospector();
            SerializationConfig serializationConfig = objectMapper.getSerializationConfig();
            serializationConfig = serializationConfig.without(SerializationConfig.Feature.WRAP_ROOT_VALUE)
                    .with(SerializationConfig.Feature.INDENT_OUTPUT)
                    .withSerializationInclusion(JsonSerialize.Inclusion.NON_NULL)
                    .withSerializationInclusion(JsonSerialize.Inclusion.NON_EMPTY)

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Examples of org.codehaus.jackson.xc.JaxbAnnotationIntrospector

 * 
 */
public class JacksonHelper {
    public static ObjectMapper createObjectMapper() {
        ObjectMapper mapper = new ObjectMapper();
        AnnotationIntrospector primary = new JaxbAnnotationIntrospector();
        AnnotationIntrospector secondary = new JacksonAnnotationIntrospector();
        AnnotationIntrospector pair = new AnnotationIntrospector.Pair(primary, secondary);
        mapper.getDeserializationConfig().setAnnotationIntrospector(pair);
        // [rfeng] To avoid complaints about javaClass
        mapper.getDeserializationConfig().set(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES, Boolean.FALSE);

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Examples of org.codehaus.jackson.xc.JaxbAnnotationIntrospector

     */
    public void testWithJAXB() throws Exception
    {
        String jsonData = "{\"id\":1}";
        ObjectMapper mapper = new ObjectMapper();
        mapper.getDeserializationConfig().setAnnotationIntrospector(new JaxbAnnotationIntrospector());
        mapper.readValue(jsonData, JaxbBean.class);


    }

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Examples of org.codehaus.jackson.xc.JaxbAnnotationIntrospector

     */


    public void testAutoDetectDisable() throws Exception
    {
        ObjectMapper mapper = new ObjectMapper();
        mapper.getSerializationConfig().setAnnotationIntrospector(new JaxbAnnotationIntrospector());
        Jackson183Bean bean = new Jackson183Bean();
        Map<String,Object> result;


        // Ok: by default, should see 2 fields:
        result = writeAndMap(mapper, bean);
        assertEquals(2, result.size());
        assertEquals("a", result.get("a"));
        assertEquals("b", result.get("b"));


        // But when disabling auto-detection, just one
        mapper = new ObjectMapper();
        mapper.getSerializationConfig().setAnnotationIntrospector(new JaxbAnnotationIntrospector());
        mapper.configure(SerializationConfig.Feature.AUTO_DETECT_GETTERS, false);
        result = writeAndMap(mapper, bean);
        assertEquals(1, result.size());
        assertNull(result.get("a"));
        assertEquals("b", result.get("b"));

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Examples of org.codehaus.jackson.xc.JaxbAnnotationIntrospector

     */


    public void testDetection() throws Exception
    {
        ObjectMapper mapper = new ObjectMapper();
        mapper.getSerializationConfig().setAnnotationIntrospector(new JaxbAnnotationIntrospector());


        Map<String,Object> result = writeAndMap(mapper, new SimpleBean());
        assertEquals(3, result.size());
        assertEquals("1", result.get("jaxb"));
        assertEquals("2", result.get("jaxb2"));

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Examples of org.codehaus.jackson.xc.JaxbAnnotationIntrospector

     * tests getting serializer/deserializer instances.
     */
    public void testSerializeDeserializeWithJaxbAnnotations() throws Exception
    {
        ObjectMapper mapper = new ObjectMapper();
        mapper.getSerializationConfig().setAnnotationIntrospector(new JaxbAnnotationIntrospector());
        mapper.getDeserializationConfig().setAnnotationIntrospector(new JaxbAnnotationIntrospector());
        mapper.getSerializationConfig().set(SerializationConfig.Feature.INDENT_OUTPUT, true);
        JaxbExample ex = new JaxbExample();
        QName qname = new QName("urn:hi", "hello");
        ex.setQname(qname);
        ex.setAttributeProperty("attributeValue");

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Examples of org.codehaus.jackson.xc.JaxbAnnotationIntrospector

        assertNull(readEx.propertyToIgnore);
    }


    public void testNamespaceAccess() throws Exception
    {
        AnnotationIntrospector ai = new JaxbAnnotationIntrospector();
        assertEquals("urn:class", ai.findNamespace(AnnotatedClass.construct(NamespaceBean.class, ai, null)));
        /* should it return null or empty String? Should be null
         * for no annotations; empty for explicitly empty NS.
         */
        assertNull(ai.findNamespace(AnnotatedClass.construct(SimpleBean.class, ai, null)));
    }

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Examples of org.codehaus.jackson.xc.JaxbAnnotationIntrospector

        assertNull(ai.findNamespace(AnnotatedClass.construct(SimpleBean.class, ai, null)));
    }


    public void testRootNameAccess() throws Exception
    {
        AnnotationIntrospector ai = new JaxbAnnotationIntrospector();
        // If no @XmlRootElement, should get null (unless pkg has etc)
        assertNull(ai.findRootName(AnnotatedClass.construct(SimpleBean.class, ai, null)));
        // With @XmlRootElement, but no name, empty String
        assertEquals("", ai.findRootName(AnnotatedClass.construct(NamespaceBean.class, ai, null)));
        // and otherwise explicit name
        assertEquals("test", ai.findRootName(AnnotatedClass.construct(RootNameBean.class, ai, null)));
    }

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Examples of org.codehaus.jackson.xc.JaxbAnnotationIntrospector

     * cyclic is not a problem (instances are).
     */
    public void testWithJAXB() throws Exception
    {
        ObjectMapper mapper = new ObjectMapper();
        mapper.getDeserializationConfig().setAnnotationIntrospector(new JaxbAnnotationIntrospector());
        Map<String,Object> results = writeAndMap(mapper, new Bean(null, "abx"));
        assertEquals(2, results.size());
        assertEquals("abx", results.get("name"));
        assertTrue(results.containsKey("next"));
        assertNull(results.get("next"));

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Examples of org.codehaus.jackson.xc.JaxbAnnotationIntrospector

    }




    private static Pair createJaxbJacksonAnnotationIntrospector() {


        AnnotationIntrospector jaxbIntrospector = new JaxbAnnotationIntrospector();
        AnnotationIntrospector jacksonIntrospector = new JacksonAnnotationIntrospector();


        return new AnnotationIntrospector.Pair(jacksonIntrospector, jaxbIntrospector);
    }

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