/* 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 org.camunda.spin.impl.json.tree;
import java.io.IOException;
import org.camunda.spin.logging.SpinLogger;
import org.camunda.spin.spi.DataFormatMapper;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.type.TypeFactory;
public class JsonJacksonTreeDataFormatMapper implements DataFormatMapper {
private static final JsonJacksonTreeLogger LOG = SpinLogger.JSON_TREE_LOGGER;
protected JsonJacksonTreeDataFormat format;
public JsonJacksonTreeDataFormatMapper(JsonJacksonTreeDataFormat format) {
this.format = format;
}
public Object mapJavaToInternal(Object parameter) {
ObjectMapper mapper = format.getConfiguredObjectMapper();
try {
return mapper.valueToTree(parameter);
} catch (IllegalArgumentException e) {
throw LOG.unableToMapInput(parameter, e);
}
}
public <T> T mapInternalToJava(Object parameter, Class<T> type) {
JavaType javaType = TypeFactory.defaultInstance().constructType(type);
T result = mapInternalToJava(parameter, javaType);
return result;
}
public <T> T mapInternalToJava(Object parameter, String typeIdentifier) {
JavaType javaType = format.constructJavaTypeFromCanonicalString(typeIdentifier);
T result = mapInternalToJava(parameter, javaType);
return result;
}
public <C> C mapInternalToJava(Object parameter, JavaType type) {
JsonNode jsonNode = (JsonNode) parameter;
ObjectMapper mapper = format.getConfiguredObjectMapper();
try {
return mapper.readValue(mapper.treeAsTokens(jsonNode), type);
} catch (IOException e) {
throw LOG.unableToDeserialize(jsonNode, type, e);
}
}
}