lib/commons-core/src/main/java/org/apache/olingo/commons/core/serialization/JsonODataErrorDetailDeserializer.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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 org.apache.olingo.commons.core.serialization;

import java.io.IOException;
import java.net.URI;

import org.apache.olingo.commons.api.Constants;
import org.apache.olingo.commons.api.ODataErrorDetail;
import org.apache.olingo.commons.api.data.ResWrap;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.JsonNode;

public class JsonODataErrorDetailDeserializer extends JsonDeserializer {

  public JsonODataErrorDetailDeserializer(final boolean serverMode) {
    super(serverMode);
  }

  protected ResWrap<ODataErrorDetail> doDeserialize(final JsonParser parser) throws IOException {

    final ODataErrorDetail error = new ODataErrorDetail();
    final JsonNode errorNode = parser.getCodec().readTree(parser);
    if (errorNode.has(Constants.ERROR_CODE)) {
      error.setCode(errorNode.get(Constants.ERROR_CODE).textValue());
    }
    if (errorNode.has(Constants.ERROR_MESSAGE)) {
      final JsonNode message = errorNode.get(Constants.ERROR_MESSAGE);
      if (message.isValueNode()) {
        error.setMessage(message.textValue());
      } else if (message.isObject()) {
        error.setMessage(message.get(Constants.VALUE).asText());
      }
    }
    if (errorNode.has(Constants.ERROR_TARGET)) {
      error.setTarget(errorNode.get(Constants.ERROR_TARGET).textValue());
    }

    return new ResWrap<ODataErrorDetail>((URI) null, null, error);
  }
}