org.flowable.rest.variable.DateRestVariableConverter Maven / Gradle / Ivy
/* 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.flowable.rest.variable;
import java.text.ParseException;
import java.util.Date;
import org.flowable.engine.common.api.FlowableIllegalArgumentException;
import com.fasterxml.jackson.databind.util.ISO8601DateFormat;
/**
* @author Frederik Heremans
*/
public class DateRestVariableConverter implements RestVariableConverter {
protected ISO8601DateFormat isoFormatter = new ISO8601DateFormat();
@Override
public String getRestTypeName() {
return "date";
}
@Override
public Class getVariableType() {
return Date.class;
}
@Override
public Object getVariableValue(EngineRestVariable result) {
if (result.getValue() != null) {
if (!(result.getValue() instanceof String)) {
throw new FlowableIllegalArgumentException("Converter can only convert string to date");
}
try {
return isoFormatter.parse((String) result.getValue());
} catch (ParseException e) {
throw new FlowableIllegalArgumentException("The given variable value is not a date: '" + result.getValue() + "'", e);
}
}
return null;
}
@Override
public void convertVariableValue(Object variableValue, EngineRestVariable result) {
if (variableValue != null) {
if (!(variableValue instanceof Date)) {
throw new FlowableIllegalArgumentException("Converter can only convert booleans");
}
result.setValue(isoFormatter.format(variableValue));
} else {
result.setValue(null);
}
}
}