org.camunda.bpm.engine.rest.dto.converter.JacksonAwareStringToTypeConverter 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.bpm.engine.rest.dto.converter;
import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.camunda.bpm.engine.rest.exception.InvalidRequestException;
import javax.ws.rs.core.Response.Status;
import java.io.IOException;
/**
* @author Thorben Lindhauer
*/
public abstract class JacksonAwareStringToTypeConverter implements StringToTypeConverter {
protected ObjectMapper objectMapper;
public abstract T convertQueryParameterToType(String value);
public void setObjectMapper(ObjectMapper objectMapper) {
this.objectMapper = objectMapper;
}
protected T mapToType(String value, Class typeClass) {
try {
return objectMapper.readValue(value, typeClass);
} catch (JsonParseException e) {
throw new InvalidRequestException(Status.BAD_REQUEST, e, String.format("Cannot convert value %s to java type %s",
value, typeClass.getName()));
} catch (JsonMappingException e) {
throw new InvalidRequestException(Status.BAD_REQUEST, e, String.format("Cannot convert value %s to java type %s",
value, typeClass.getName()));
} catch (IOException e) {
throw new InvalidRequestException(Status.BAD_REQUEST, e, String.format("Cannot convert value %s to java type %s",
value, typeClass.getName()));
}
}
}