Package edu.cornell.mannlib.vitro.webapp.controller.json

Class JsonArrayProducer

java.lang.Object

edu.cornell.mannlib.vitro.webapp.controller.json.JsonProducer

edu.cornell.mannlib.vitro.webapp.controller.json.JsonArrayProducer

Direct Known Subclasses:

GetEntitiesByVClass, GetEntitiesByVClassContinuation

public abstract class JsonArrayProducer
extends JsonProducer

A base for classes that produce a JSON array based on the parameters in the VitroRequest. Catches any exceptions. Logs the error and returns an empty JSON array.

Field Summary

Fields

Modifier and Type	Field	Description
protected javax.servlet.ServletContext	ctx
protected VitroRequest	vreq

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	JsonArrayProducer(VitroRequest vreq)

Method Summary

Modifier and Type	Method	Description
protected abstract com.fasterxml.jackson.databind.node.ArrayNode	process()	Sub-classes implement this method.
void	process(javax.servlet.http.HttpServletResponse resp)

Methods inherited from class edu.cornell.mannlib.vitro.webapp.controller.json.JsonProducer

getVclassIds, getVclassParameter, individualsToJson

Methods inherited from class java.lang.Object

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

Field Detail

vreq

protected final VitroRequest vreq

ctx

protected final javax.servlet.ServletContext ctx

Constructor Detail

JsonArrayProducer

protected JsonArrayProducer(VitroRequest vreq)

Method Detail

process

protected abstract com.fasterxml.jackson.databind.node.ArrayNode process()
                                                                  throws Exception

Sub-classes implement this method. Given the request, produce a JSON object as the result.

Throws:

Exception

process

public final void process(javax.servlet.http.HttpServletResponse resp)
                   throws IOException

Throws:

IOException