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package org.onap.sdc.dcae.composition.model.deserializer;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.onap.sdc.dcae.composition.model.Capability;
import org.onap.sdc.dcae.composition.model.NodeFilter;
import org.onap.sdc.dcae.composition.model.Relationship;
import org.onap.sdc.dcae.composition.model.Requirement;
import com.google.gson.Gson;
import com.google.gson.JsonArray;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParseException;
public class RequirementDeserializer implements JsonDeserializer<Requirement>{
public Requirement deserialize(JsonElement je, Type type, JsonDeserializationContext jdc)throws JsonParseException{
Gson gson = new Gson();
JsonObject jo = je.getAsJsonObject();
Requirement requirement = new Requirement();
requirement.setCapability(jo.get("capability")!=null ? gson.fromJson(jo.get("capability"), Capability.class) : null);
requirement.setName(jo.get("name")!=null ? jo.get("name").getAsString() : null);
requirement.setRelationship(jo.get("relationship")!=null ? gson.fromJson(jo.get("relationship"), Relationship.class) : null);
requirement.setNodeFilter(jo.get("node_filter")!=null ? gson.fromJson(jo.get("node_filter"), NodeFilter.class) : null);
requirement.setNode(jo.get("node")!=null ? jo.get("node").getAsString() : null);
JsonArray occurrences = jo.getAsJsonArray("occurrences");
if(occurrences!=null){
Iterator<JsonElement> it = occurrences.iterator();
List<String> occurrencesList = new ArrayList<String>();
while(it.hasNext()){
JsonElement curr = it.next();
String occurance = curr.getAsString();
occurrencesList.add(occurance);
}
requirement.setOccurrences(occurrencesList);
}
return requirement;
}
}
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