/*
* Copyright © 2016 Cask Data, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package co.cask.cdap.proto.codec;
import co.cask.cdap.proto.WorkflowNodeThrowable;
import com.google.gson.JsonArray;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParseException;
import com.google.gson.JsonSerializationContext;
import java.lang.reflect.Type;
/**
* Codec for {@link WorkflowNodeThrowable}.
*/
public final class WorkflowNodeThrowableCodec extends AbstractSpecificationCodec<WorkflowNodeThrowable> {
@Override
public JsonElement serialize(WorkflowNodeThrowable src, Type typeOfSrc, JsonSerializationContext context) {
JsonObject json = new JsonObject();
json.addProperty("className", src.getClassName());
json.addProperty("message", src.getMessage());
json.add("stackTraces", context.serialize(src.getStackTraces(), StackTraceElement[].class));
json.add("cause", context.serialize(src.getCause(), WorkflowNodeThrowable.class));
return json;
}
@Override
public WorkflowNodeThrowable deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
throws JsonParseException {
JsonObject jsonObj = json.getAsJsonObject();
String className = jsonObj.get("className").getAsString();
String message = jsonObj.get("message").getAsString();
JsonArray stackTraces = jsonObj.get("stackTraces").getAsJsonArray();
StackTraceElement[] stackTraceElements = context.deserialize(stackTraces, StackTraceElement[].class);
JsonElement cause = jsonObj.get("cause");
WorkflowNodeThrowable dfc = null;
if (cause != null) {
dfc = context.deserialize(cause, WorkflowNodeThrowable.class);
}
return new WorkflowNodeThrowable(className, message, stackTraceElements, dfc);
}
}