Difference between revisions of "Nexjexpress/JSON Adapter"

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== JSON Adapter ==
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{{Admon/obsolete}}
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=== Goal===
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Add ability to access NexJ Server objects as JSON via a RESTful web service
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== Project Goal==
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===Plan===
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Develope an adapter to expose NexJ Express Server objects using JSON
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=== Phase 1: Design Proposal ===
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 +
== Current Status==
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'''Phase 10: Apply Changes as per Code Review 4''' <br/>
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Ongoing...
 +
<br/>
 +
 
 +
==Project Phases==
 +
=== Phase 1: Design Proposal (Done) ===
 
* Get requirements from NexJ
 
* Get requirements from NexJ
 
* Incorporate requirements from NexJ into Design of JSON Adapater
 
* Incorporate requirements from NexJ into Design of JSON Adapater
 
* Proposal proposal for review, make changes as by NexJ until approved
 
* Proposal proposal for review, make changes as by NexJ until approved
  
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====Phase 2: Coding ====
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===Phase 2: Coding (Done) ===
 
* JSONMarshaller
 
* JSONMarshaller
 
** Develop marshaller to transform NexJ Server Objects into JSON representation
 
** Develop marshaller to transform NexJ Server Objects into JSON representation
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** Create Server objects
 
** Create Server objects
  
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====Phase 3: Code Review 1 ====
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===Phase 3: Code Review 1 (Done)===
 
* Send patch to NexJ for review
 
* Send patch to NexJ for review
  
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====Phase 4: Make Changes as per Code Review 1 ====
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===Phase 4: Make Changes as per Code Review 1 (Done)===
 
* Refactor JSONSever and TextServer to inherit from GenericCharacterStreamHTTPServer
 
* Refactor JSONSever and TextServer to inherit from GenericCharacterStreamHTTPServer
 
* Optimize marshaling of nested Pair objects
 
* Optimize marshaling of nested Pair objects
 
* Rename variables and methods as per NexJ Developer's Guide
 
* Rename variables and methods as per NexJ Developer's Guide
  
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====Phase 5: Code Review 2 ====
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===Phase 5: Code Review 2(Done) ===
 
* Send patch to NexJ for review
 
* Send patch to NexJ for review
  
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===Status===
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===Phase 6: Apply Changes per Code Review 2 (Done) ===
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Phase 1: done
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* Minor Clean Up
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Phase 2: done
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** Removed unnecessary files
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Phase 3: done
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** Ensure all files use CRLF line-endings
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Phase 4: done
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* Add Servlet Mapping to cert/web.xml
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Phase 5: On-going
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* GenericCharacterStreamServer
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** Use <code>abstract String getType()</code> for creating error codes
 +
** Use <code>getLogger()</code> for lazy initialization of logger
 +
* TextServer
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** Members should be protected
 +
* JSONWriter
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** Methods names should start with "write"
 +
* JSONMarshaller
 +
** Remove unused methods
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** Remove visReferencable()</code>, do lookup in TransferObject Marshaller
 +
* JSONUnmarshaller
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** Use <code>JSONLookup</code> to find unmarshllers
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** Create <code>DetachableByteArrayOutputStream</code>
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** Change logic in <code>Base64Util.decode(String)</code>
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** Use <code>Base64Util.decode(String)</code> to decode 64 streams
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** Only TO unmarshaller should use <code>remove()</code> otherwise use <code>get()</code> on m_jsonMap
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** Change instances of <code>Collection.toArray()</code> to use <code>toArray(new Object[size])</code>
  
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===Links===
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===Phase 7: Code Review 3 (Done) ===
 +
* Send patch to NexJ for review
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===Phase 8: Apply Changes per Code Review 3 (DONE)===
 +
 
 +
 
 +
----
 +
 
 +
 
 +
:::'''The JSON Adapter Project has been successfully completed'''
 +
 
 +
----
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 +
==Links==
 
'''JSON''' <br/>
 
'''JSON''' <br/>
 
http://www.json.org <br/>
 
http://www.json.org <br/>
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===Current Tasks===
 

Latest revision as of 19:52, 26 January 2014

Important.png
This page may be obsolete.
It contains historical information.

Project Goal

Develope an adapter to expose NexJ Express Server objects using JSON

Current Status

Phase 10: Apply Changes as per Code Review 4
Ongoing...

Project Phases

Phase 1: Design Proposal (Done)

  • Get requirements from NexJ
  • Incorporate requirements from NexJ into Design of JSON Adapater
  • Proposal proposal for review, make changes as by NexJ until approved

Phase 2: Coding (Done)

  • JSONMarshaller
    • Develop marshaller to transform NexJ Server Objects into JSON representation
  • JSONUnmarshaller
    • Develop an marshaller to transform JSON representation into NexJ Server Objects
  • JSON Server
    • Develop a JSON Server to expose NexJ Server objects in JSON
  • Demo application that interacts with the Server using JSON
    • Read Server Objects
    • Update Server Objects
    • Create Server objects

Phase 3: Code Review 1 (Done)

  • Send patch to NexJ for review

Phase 4: Make Changes as per Code Review 1 (Done)

  • Refactor JSONSever and TextServer to inherit from GenericCharacterStreamHTTPServer
  • Optimize marshaling of nested Pair objects
  • Rename variables and methods as per NexJ Developer's Guide

Phase 5: Code Review 2(Done)

  • Send patch to NexJ for review

Phase 6: Apply Changes per Code Review 2 (Done)

  • Minor Clean Up
    • Removed unnecessary files
    • Ensure all files use CRLF line-endings
  • Add Servlet Mapping to cert/web.xml
  • GenericCharacterStreamServer
    • Use abstract String getType() for creating error codes
    • Use getLogger() for lazy initialization of logger
  • TextServer
    • Members should be protected
  • JSONWriter
    • Methods names should start with "write"
  • JSONMarshaller
    • Remove unused methods
    • Remove visReferencable()</code>, do lookup in TransferObject Marshaller
  • JSONUnmarshaller
    • Use JSONLookup to find unmarshllers
    • Create DetachableByteArrayOutputStream
    • Change logic in Base64Util.decode(String)
    • Use Base64Util.decode(String) to decode 64 streams
    • Only TO unmarshaller should use remove() otherwise use get() on m_jsonMap
    • Change instances of Collection.toArray() to use toArray(new Object[size])

Phase 7: Code Review 3 (Done)

  • Send patch to NexJ for review

Phase 8: Apply Changes per Code Review 3 (DONE)


The JSON Adapter Project has been successfully completed

Links

JSON
http://www.json.org

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