com.linkedin.restli.internal.common.CreateIdEntityStatusDecoder Maven / Gradle / Ivy

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Pegasus is a framework for building robust, scalable service architectures using dynamic discovery and simple asychronous type-checked REST + JSON APIs.

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/*
   Copyright (c) 2015 LinkedIn Corp.

   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 com.linkedin.restli.internal.common;

import com.linkedin.data.DataList;
import com.linkedin.data.DataMap;
import com.linkedin.data.collections.CheckedUtil;
import com.linkedin.data.template.RecordTemplate;
import com.linkedin.restli.common.ComplexKeySpec;
import com.linkedin.restli.common.CompoundKey;
import com.linkedin.restli.common.CreateIdEntityStatus;
import com.linkedin.restli.common.CreateIdStatus;
import com.linkedin.restli.common.ProtocolVersion;
import com.linkedin.restli.common.TypeSpec;

import java.lang.reflect.InvocationTargetException;
import java.util.Map;

public class CreateIdEntityStatusDecoder extends CreateIdStatusDecoder
{
  private final TypeSpec _valueType;


  public CreateIdEntityStatusDecoder( TypeSpec keyType, TypeSpec valueType,
                                      Map keyParts,
                                      ComplexKeySpec complexKeyType,
                                      ProtocolVersion version)
  {
    super(keyType, keyParts, complexKeyType, version);
    _valueType = valueType;
  }

  @SuppressWarnings("unchecked")
  @Override
  public CreateIdEntityStatus makeValue(DataMap dataMap)
      throws NoSuchMethodException, InstantiationException, IllegalAccessException, InvocationTargetException
  {
    CreateIdStatus idStatus = super.makeValue(dataMap);
    K key = idStatus.getKey();
    DataMap finalMap = new DataMap(idStatus.data());
    DataList listElements = new DataList();
    V entity = null;
    if (dataMap.get("error") == null && dataMap.get("entity") != null)
    {
      entity = _valueType.getType().getConstructor(DataMap.class).newInstance(dataMap.get("entity"));
      CheckedUtil.addWithoutChecking(listElements, entity.data());
    }
    finalMap.put("entity", listElements);

    return new CreateIdEntityStatus(finalMap, key, entity);
  }

}