com.wewebu.ow.server.ui.viewer
Class OwAbstractInfoProvider

java.lang.Object
  com.wewebu.ow.server.ui.viewer.OwAbstractInfoProvider

All Implemented Interfaces:

OwInfoProvider

public abstract class OwAbstractInfoProvider
extends Object
implements OwInfoProvider

Abstract Information Provider. This implementation is based on a XML request and response.

In the handleRequest will be try to parse the request body as a

Alfresco Workdesk
Copyright (c) Alfresco Software, Inc.
All rights reserved.

For licensing information read the license.txt file or
go to: http://wiki.alfresco.com

Since:

3.1.0.0

Field Summary

Fields inherited from interface com.wewebu.ow.server.ui.viewer.OwInfoProvider

PARAM_CONTEXT, PARAM_DMSID

Constructor Summary

OwAbstractInfoProvider()

Method Summary

void	handleRequest(OwInfoRequest request_p, OutputStream answer_p) Method called to be process a request.
protected abstract String	process(Node item_p) Process XML node (item) and return the String representation for the node to set.
protected void	sendAnswer(String answer_p, OutputStream sendStream_p) Method transform the given answer into a byte array (UTF-8) and sending through given OutputStream back.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.wewebu.ow.server.ui.viewer.OwInfoProvider

getContext

Constructor Detail

OwAbstractInfoProvider

public OwAbstractInfoProvider()

Method Detail

handleRequest

public void handleRequest(OwInfoRequest request_p,
                          OutputStream answer_p)
                   throws OwException,
                          IOException

Description copied from interface: OwInfoProvider

Method called to be process a request.

Specified by:

handleRequest in interface OwInfoProvider

Parameters:

request_p - OwInformationRequest to process

answer_p - OutputStream to write back answer

Throws:

IOException - if problems with any I/O handling

OwException

sendAnswer

protected void sendAnswer(String answer_p,
                          OutputStream sendStream_p)
                   throws UnsupportedEncodingException,
                          IOException

Method transform the given answer into a byte array (UTF-8) and sending through given OutputStream back.

Parameters:

answer_p - String answer to send

sendStream_p - OutputStream used for answering

Throws:

UnsupportedEncodingException - if conversion of String to UTF-8 byte array fails

IOException - if sending failed using the given OutputStream

process

protected abstract String process(Node item_p)

Process XML node (item) and return the String representation for the node to set.

A node could be: <prop>NumOfSegments</prop>

Attention returning null will create an empty node as response. (in this example <NumOfSegments />)

Parameters:

item_p - Node root of single item request

Returns:

null or String representing the value