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

Class JsonProducer

java.lang.Object

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

Direct Known Subclasses:

JsonArrayProducer, JsonObjectProducer

public abstract class JsonProducer
extends Object

A base for the classes that produce JSON results. Contains some useful constants and convenience methods.

Constructor Summary

Constructors

Constructor and Description
JsonProducer()

Method Summary

Modifier and Type	Method and Description
protected List<String>	getVclassIds(VitroRequest vreq) Get one or more "vclassId" parameters from the request.
protected VClass	getVclassParameter(VitroRequest vreq) Get the "vclassId" parameter from the request and instantiate the VClass.
protected com.fasterxml.jackson.databind.node.ArrayNode	individualsToJson(List<Individual> individuals) Process a list of Individuals into a JSON array that holds the Names and URIs.

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonProducer

public JsonProducer()

Method Detail

individualsToJson

protected com.fasterxml.jackson.databind.node.ArrayNode individualsToJson(List<Individual> individuals)
                                                                   throws javax.servlet.ServletException

Process a list of Individuals into a JSON array that holds the Names and URIs.

Throws:

javax.servlet.ServletException

getVclassParameter

protected VClass getVclassParameter(VitroRequest vreq)

Get the "vclassId" parameter from the request and instantiate the VClass. There must be one, and it must be valid.

getVclassIds

protected List<String> getVclassIds(VitroRequest vreq)

Get one or more "vclassId" parameters from the request. Confirm that there is at least one, and that all are valid. Return value is never null and never empty.