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IllegalStateException when type is an array #5

Open
@DavidMhn

Description

When an object type is an array, for instance
"type": ["string","integer"]
The conversion fails with this stack

java.lang.IllegalStateException
	at com.google.gson.JsonArray.getAsString(JsonArray.java:226)
	at edu.uoc.som.jsonschematouml.generators.JSONSchemaToUML.analyzeProperty(JSONSchemaToUML.java:463)
	at edu.uoc.som.jsonschematouml.generators.JSONSchemaToUML.analyzeObject(JSONSchemaToUML.java:336)
	at edu.uoc.som.jsonschematouml.generators.JSONSchemaToUML.analyzeRootSchemaElement(JSONSchemaToUML.java:264)
	at edu.uoc.som.jsonschematouml.generators.JSONSchemaToUML.analyzeDefinitions(JSONSchemaToUML.java:754)
	at edu.uoc.som.jsonschematouml.generators.JSONSchemaToUML.analyzeRootSchemaElement(JSONSchemaToUML.java:269)
	at edu.uoc.som.jsonschematouml.generators.JSONSchemaToUML.analyzeSchema(JSONSchemaToUML.java:253)
	at edu.uoc.som.jsonschematouml.generators.JSONSchemaToUML.analyze(JSONSchemaToUML.java:219)
	at edu.uoc.som.jsonschematouml.generators.JSONSchemaToUML.launch(JSONSchemaToUML.java:171)
	at edu.uoc.som.jsonschematouml.ui.handlers.ConvertToClassDiagram1ドル.run(ConvertToClassDiagram.java:56)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)

This line doesn't handle the array case:

JSONSchemaToUML.java:463
 else if(itemsObject.has("type") && itemsObject.get("type").getAsString().equals("string")) { 

Note this case of type is conform to json schema type definition (at least in json schema draft v7):

"type": {
 "anyOf": [
 {"$ref": "#/definitions/simpleTypes"},
 {
 "type": "array",
 "items": {"$ref": "#/definitions/simpleTypes"},
 "minItems": 1,
 "uniqueItems": true
 }
 ],

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