org.springframework.http.converter.xml

## Class Jaxb2RootElementHttpMessageConverter

- java.lang.Object
- - org.springframework.http.converter.AbstractHttpMessageConverter<T>
  - - org.springframework.http.converter.xml.AbstractXmlHttpMessageConverter<T>
    - - org.springframework.http.converter.xml.AbstractJaxb2HttpMessageConverter<Object>
      - - org.springframework.http.converter.xml.Jaxb2RootElementHttpMessageConverter

- All Implemented Interfaces:
    HttpMessageConverter<Object>

      public class Jaxb2RootElementHttpMessageConverter
      extends AbstractJaxb2HttpMessageConverter<Object>

  Implementation of `HttpMessageConverter` that can read and write XML using JAXB2.

  This converter can read classes annotated with `XmlRootElement` and `XmlType`, and write classes annotated with with `XmlRootElement`, or subclasses thereof.

  Since:
    3.0
  Author:
    Arjen Poutsma

- - ### Field Summary

    - ### Fields inherited from class org.springframework.http.converter.AbstractHttpMessageConverter

      `logger`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `Jaxb2RootElementHttpMessageConverter()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `boolean` | `canRead(Class<?> clazz, MediaType mediaType)` This implementation checks if the given class is supported, and if the supported media types include the given media type.
    `boolean` | `canWrite(Class<?> clazz, MediaType mediaType)` This implementation checks if the given class is supported, and if the supported media types include the given media type.
    `protected Object` | `readFromSource(Class<?> clazz, HttpHeaders headers, Source source)` Abstract template method called from `AbstractHttpMessageConverter.read(Class, HttpInputMessage)`.
    `protected boolean` | `supports(Class<?> clazz)` Indicates whether the given class is supported by this converter.
    `protected void` | `writeToResult(Object o, HttpHeaders headers, Result result)` Abstract template method called from `AbstractXmlHttpMessageConverter.writeInternal(Object, HttpOutputMessage)`.

    - ### Methods inherited from class org.springframework.http.converter.xml.AbstractJaxb2HttpMessageConverter

      `createMarshaller, createUnmarshaller, getJaxbContext`

    - ### Methods inherited from class org.springframework.http.converter.xml.AbstractXmlHttpMessageConverter

      `readInternal, transform, writeInternal`

    - ### Methods inherited from class org.springframework.http.converter.AbstractHttpMessageConverter

      `canRead, canWrite, getContentLength, getDefaultContentType, getSupportedMediaTypes, read, setSupportedMediaTypes, write`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### Jaxb2RootElementHttpMessageConverter

          public Jaxb2RootElementHttpMessageConverter()

  - ### Method Detail

    - #### canRead

          public boolean canRead(Class<?> clazz,
                        MediaType mediaType)

      Description copied from class: `AbstractHttpMessageConverter`
      This implementation checks if the given class is supported, and if the supported media types include the given media type.
      Specified by:
        `canRead` in interface `HttpMessageConverter<Object>`
      Overrides:
        `canRead` in class `AbstractHttpMessageConverter<Object>`
      Parameters:
        `clazz` - the class to test for readability
        `mediaType` - the media type to read, can be `null` if not specified. Typically the value of a `Content-Type` header.
      Returns:
        `true` if readable; `false` otherwise

    - #### canWrite

          public boolean canWrite(Class<?> clazz,
                         MediaType mediaType)

      Description copied from class: `AbstractHttpMessageConverter`
      This implementation checks if the given class is supported, and if the supported media types include the given media type.
      Specified by:
        `canWrite` in interface `HttpMessageConverter<Object>`
      Overrides:
        `canWrite` in class `AbstractHttpMessageConverter<Object>`
      Parameters:
        `clazz` - the class to test for writability
        `mediaType` - the media type to write, can be `null` if not specified. Typically the value of an `Accept` header.
      Returns:
        `true` if writable; `false` otherwise

    - #### supports

          protected boolean supports(Class<?> clazz)

      Description copied from class: `AbstractHttpMessageConverter`
      Indicates whether the given class is supported by this converter.
      Specified by:
        `supports` in class `AbstractHttpMessageConverter<Object>`
      Parameters:
        `clazz` - the class to test for support
      Returns:
        `true` if supported; `false` otherwise

    - #### readFromSource

          protected Object readFromSource(Class<?> clazz,
                              HttpHeaders headers,
                              Source source)
                                   throws IOException

      Description copied from class: `AbstractXmlHttpMessageConverter`
      Abstract template method called from `AbstractHttpMessageConverter.read(Class, HttpInputMessage)`.
      Specified by:
        `readFromSource` in class `AbstractXmlHttpMessageConverter<Object>`
      Parameters:
        `clazz` - the type of object to return
        `headers` - the HTTP input headers
        `source` - the HTTP input body
      Returns:
        the converted object
      Throws:
        `IOException` - in case of I/O errors

    - #### writeToResult

          protected void writeToResult(Object o,
                           HttpHeaders headers,
                           Result result)
                                throws IOException

      Description copied from class: `AbstractXmlHttpMessageConverter`
      Abstract template method called from `AbstractXmlHttpMessageConverter.writeInternal(Object, HttpOutputMessage)`.
      Specified by:
        `writeToResult` in class `AbstractXmlHttpMessageConverter<Object>`
      Parameters:
        `o` - the object to write to the output message
        `headers` - the HTTP output headers
        `result` - the HTTP output body
      Throws:
        `IOException` - in case of I/O errors