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## com.sun.jersey.atom.abdera
Class ContentHelper

    java.lang.Object
      com.sun.jersey.atom.abdera.ContentHelper

    public class ContentHelper

extends java.lang.Object

Helper class to assist in serializing and deserializing Java entities as XML that will be transferred through the `content` element of an Atom `Entry` instance. A configured instance of this class can be made available in a resource class as follows:

>        @Context
>        private ContentHelper contentHelper;

Constructor Summary
`ContentHelper(Providers providers)` Construct a configured instance of this helper.

Method Summary
`
`<T> T`
` | `getContentEntity(org.apache.abdera.model.Entry entry, java.lang.Class<T> clazz)` Deserialize the content element of the specified entry, and transform it back into an appropriate Java object.
`
`<T> T`
` | `getContentEntity(org.apache.abdera.model.Entry entry, MediaType mediaType, java.lang.Class<T> clazz)` Deserialize the content element of the specified entry, and transform it back into an appropriate Java object.
`void` | `setContentEntity(org.apache.abdera.model.Entry entry, MediaType mediaType, java.lang.Object entity)` Serialize the specified entity as the `content` element of the specified `entry`.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### ContentHelper

    public ContentHelper(Providers providers)

  Construct a configured instance of this helper.

  Parameters:
    `providers` - Providers for this application

Method Detail

### getContentEntity

    public <T> T getContentEntity(org.apache.abdera.model.Entry entry,
                                  java.lang.Class<T> clazz)

  Deserialize the content element of the specified entry, and transform it back into an appropriate Java object. The media type used for selecting an appropriate `Provider` will be acquired from the `type` attribute of the `content` element.

  Parameters:
    `entry` - `Entry` whose content element is to be processed
    `clazz` - `Class` of the object to be returned
  Throws:
    `java.lang.IllegalArgumentException` - if the specified entry does not contain a valid content element

### getContentEntity

    public <T> T getContentEntity(org.apache.abdera.model.Entry entry,
                                  MediaType mediaType,
                                  java.lang.Class<T> clazz)

  Deserialize the content element of the specified entry, and transform it back into an appropriate Java object.

  Parameters:
    `entry` - `Entry` whose content element is to be processed
    `mediaType` - `MediaType` to use when selecting an appropriate provider
    `clazz` - `Class` of the object to be returned
  Throws:
    `java.lang.IllegalArgumentException` - if the specified entry does not contain a valid content element

### setContentEntity

    public void setContentEntity(org.apache.abdera.model.Entry entry,
                                 MediaType mediaType,
                                 java.lang.Object entity)

  Serialize the specified entity as the `content` element of the specified `entry`. The selected provider MUST produce an XML representation.

  Parameters:
    `entry` - `Entry` whose content element is to be set
    `mediaType` - `MediaType` to pass as the `type` attribute of the `content` element (also used to select an appropriate `Provider`)
    `entity` - Entity to be serialized

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