/* 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.type;
import java.util.List;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.type.TypeFactory;
public class ListJsonJacksonTypeDetector extends AbstractJsonJacksonTypeDetector {
public boolean canHandle(Object object) {
return object instanceof List;
}
public String detectType(Object object) {
return constructType(object).toCanonical();
}
protected JavaType constructType(Object object) {
TypeFactory typeFactory = TypeFactory.defaultInstance();
if (object instanceof List && !((List<?>) object).isEmpty()) {
List<?> list = (List<?>) object;
Object firstElement = list.get(0);
return typeFactory.constructCollectionType(list.getClass(), constructType(firstElement));
} else {
return typeFactory.constructType(object.getClass());
}
}
}