de.netseeker.ejoe.adapter.json
Class JsonLibAdapter

java.lang.Object
  de.netseeker.ejoe.adapter.BaseAdapter
      de.netseeker.ejoe.adapter.UTF8StringAdapter
          de.netseeker.ejoe.adapter.json.JsonLibAdapter

All Implemented Interfaces:

SerializeAdapter, java.io.Serializable

public class JsonLibAdapter
extends UTF8StringAdapter

Multimode SerializeAdapter supporting JSON via the JSON-lib. By default this adapter is write-only: It is able to serialize Objects to JSON but does just return JSON strings on read operations. The read mode can be switched but then Objects according to what JSON-lib creates will be returned.

Since:

0.3.9.1

Author:

netseeker

See Also:

JSON-lib, Serialized Form

Constructor Summary

JsonLibAdapter()
Creates a write-only instance of this adapter.

JsonLibAdapter(boolean writeOnly)
Creates either a write-only or a mixed-mode instance of this adapter.

Method Summary

java.lang.String	getContentType()
java.lang.Object	read(java.io.InputStream in) Deserializes an object out of an given InputStream
void	write(java.lang.Object obj, java.io.OutputStream out) Serializes an object into an output stream

Methods inherited from class de.netseeker.ejoe.adapter.BaseAdapter

handleClassLoaderChange, isSelfBuffered, requiresCustomEOFHandling

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonLibAdapter

public JsonLibAdapter()

Creates a write-only instance of this adapter. It will write Object instances to JSON but will just return JSON string representations on read operations.

JsonLibAdapter

public JsonLibAdapter(boolean writeOnly)

Creates either a write-only or a mixed-mode instance of this adapter. In write-only mode it will write Object instances to JSON but will just return JSON string representations on read operations. In mixed-mode Objects according to what JSON-lib creates will be returned on read operations.

Parameters:

writeOnly - whether to uses write-only mode or not

Method Detail

read

public java.lang.Object read(java.io.InputStream in)
                      throws java.lang.Exception

Description copied from interface: SerializeAdapter

Deserializes an object out of an given InputStream

Specified by:

read in interface SerializeAdapter

Overrides:

read in class UTF8StringAdapter

Parameters:

in - the input stream to use for deserialization

Returns:

a deserialized object instance

Throws:

java.lang.Exception

write

public void write(java.lang.Object obj,
                  java.io.OutputStream out)
           throws java.lang.Exception

Description copied from interface: SerializeAdapter

Serializes an object into an output stream

Specified by:

write in interface SerializeAdapter

Overrides:

write in class UTF8StringAdapter

Parameters:

obj - object that should get serialized

out - the outputstream into which the object should serialized

Throws:

java.lang.Exception

getContentType

public java.lang.String getContentType()

Specified by:

getContentType in interface SerializeAdapter

Overrides:

getContentType in class UTF8StringAdapter

Returns:

A recognized mime type

See Also:

mime type list of IANA