jsondiscoverer

Class JsonInjector

java.lang.Object

jsondiscoverer.JsonInjector

public class JsonInjector
extends java.lang.Object

This class performs the injection process (obtaining models from JSON files)

In the context of the JSON discoverer, the JsonInjector is used to represent the data model of a JSON-based Web service during the Simple discovery process.

This implementation does not depend on Xtext

Author:

Javier Canovas (me@jlcanovas.es)

Field Summary

Fields

Modifier and Type	Field and Description
private SingleJsonSource	jsonSource The source to inject.
private static java.util.logging.Logger	LOGGER Used to log all the activity

Constructor Summary

Constructors

Constructor and Description
JsonInjector(SingleJsonSource jsonSource) Constructs a new JsonInjector with a SingleJsonSource.

Method Summary

Modifier and Type	Method and Description
private java.lang.String	digestId(java.lang.String id) Digest a String
protected java.lang.Object	digestValue(org.eclipse.emf.ecore.EAttribute eAttribute, com.google.gson.JsonElement value) Analyzes the type of the attribute to convert the JSON value
org.eclipse.emf.ecore.EPackage	getEPackage() Returns the metamodel of the JsonSource
java.util.List<org.eclipse.emf.ecore.EObject>	inject() Injects a model from a SingleJsonSource
private java.util.List<org.eclipse.emf.ecore.EObject>	inject(java.util.List<com.google.gson.JsonObject> elements) Injects a model conforming to the metamodel from a set of Json Objects
protected org.eclipse.emf.ecore.EObject	instantiateEClassifier(org.eclipse.emf.ecore.EClassifier eClassifier, com.google.gson.JsonObject jsonObject) Instantiates an EClassifier from a JsonObject
protected void	setStructuralFeature(org.eclipse.emf.ecore.EObject result, org.eclipse.emf.ecore.EStructuralFeature eStructuralFeature, com.google.gson.JsonElement value) Setting a structural features

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

private static final java.util.logging.Logger LOGGER

Used to log all the activity

jsonSource

private SingleJsonSource jsonSource

The source to inject.

Note that it must be a SingleJsonSource

Constructor Detail

JsonInjector

public JsonInjector(SingleJsonSource jsonSource)

Constructs a new JsonInjector with a SingleJsonSource.

Note that the input parameter is a SingleJsonSource.

Parameters:

jsonSource - The SingleJsonSource used to inject

Method Detail

inject

public java.util.List<org.eclipse.emf.ecore.EObject> inject()

Injects a model from a SingleJsonSource

Returns:

The set of injected EObjects

inject

private java.util.List<org.eclipse.emf.ecore.EObject> inject(java.util.List<com.google.gson.JsonObject> elements)

Injects a model conforming to the metamodel from a set of Json Objects

Parameters:

elements - List of JSON objects (as list of JsonObject)

Returns:

The set of injected EObjects

instantiateEClassifier

protected org.eclipse.emf.ecore.EObject instantiateEClassifier(org.eclipse.emf.ecore.EClassifier eClassifier,
                                                               com.google.gson.JsonObject jsonObject)

Instantiates an EClassifier from a JsonObject

Parameters:

eClassifier - Classifier to instantiate

jsonObject - JSON Object from which we takes the data

Returns:

Instantiated object

setStructuralFeature

protected void setStructuralFeature(org.eclipse.emf.ecore.EObject result,
                                    org.eclipse.emf.ecore.EStructuralFeature eStructuralFeature,
                                    com.google.gson.JsonElement value)

Setting a structural features

Parameters:

result - Object containing the structural feature to set

eStructuralFeature - Structural feature to set

value - Value to set

digestValue

protected java.lang.Object digestValue(org.eclipse.emf.ecore.EAttribute eAttribute,
                                       com.google.gson.JsonElement value)

Analyzes the type of the attribute to convert the JSON value

Parameters:

eAttribute - The EAttribute

value - The value to convert

Returns:

The converted value (as JsonPrimitive)

digestId

private java.lang.String digestId(java.lang.String id)

Digest a String

Parameters:

id - String to digest

Returns:

The digested identifier

getEPackage

public org.eclipse.emf.ecore.EPackage getEPackage()

Returns the metamodel of the JsonSource

Returns:

The metamodel (as EPackage)