/* 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.activiti.engine.impl.form;
import java.util.Map;
import org.activiti.engine.ActivitiException;
/**
* @author Tom Baeyens
*/
public class EnumFormType extends AbstractFormType {
protected Map<String, String> values;
public EnumFormType(Map<String, String> values) {
this.values = values;
}
public String getName() {
return "enum";
}
@Override
public Object getInformation(String key) {
if (key.equals("values")) {
return values;
}
return null;
}
@Override
public Object convertFormValueToModelValue(String propertyValue) {
validateValue(propertyValue);
return propertyValue;
}
@Override
public String convertModelValueToFormValue(Object modelValue) {
if(modelValue != null) {
if(!(modelValue instanceof String)) {
throw new ActivitiException("Model value should be a String");
}
validateValue((String) modelValue);
}
return null;
}
protected void validateValue(String value) {
if(value != null) {
if(values != null && !values.containsKey(value)) {
throw new ActivitiException("Invalid value for enum form property: " + value);
}
}
}
}