org.camunda.spin.impl.json.jackson.format.JacksonJsonDataFormatWriter Maven / Gradle / Ivy
/*
* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
* under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. Camunda licenses this file to you under the Apache License,
* Version 2.0; 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.camunda.spin.impl.json.jackson.format;
import java.io.IOException;
import java.io.Writer;
import org.camunda.spin.impl.json.jackson.JacksonJsonLogger;
import org.camunda.spin.spi.DataFormatWriter;
import com.fasterxml.jackson.core.JsonFactory;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
/**
* @author Daniel Meyer
*
*/
public class JacksonJsonDataFormatWriter implements DataFormatWriter {
private static final JacksonJsonLogger LOG = JacksonJsonLogger.JSON_TREE_LOGGER;
protected JacksonJsonDataFormat dataFormat;
public JacksonJsonDataFormatWriter(JacksonJsonDataFormat dataFormat) {
this.dataFormat = dataFormat;
}
public void writeToWriter(Writer writer, Object input) {
final ObjectMapper objectMapper = dataFormat.getObjectMapper();
final JsonFactory factory = objectMapper.getFactory();
try {
JsonGenerator generator = factory.createGenerator(writer);
objectMapper.writeTree(generator, (JsonNode) input);
}
catch (IOException e) {
throw LOG.unableToWriteJsonNode(e);
}
}
}