/**
* Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright ownership. Apereo
* licenses this file to you 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 the
* following location:
*
* <p>http://www.apache.org/licenses/LICENSE-2.0
*
* <p>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.apereo.portal.portlets.permissionsadmin;
import org.springframework.binding.message.MessageBuilder;
import org.springframework.binding.message.MessageContext;
import org.springframework.stereotype.Component;
/**
* This class validates {@link PermissionDefinitionForm} objects through the magic of Webflow:
* http://docs.spring.io/spring-webflow/docs/current/reference/html/views.html#view-validation-programmatic-validator
*
*/
@Component
public class PermissionDefinitionFormValidator {
public void validateEditPermission(
PermissionDefinitionForm form, MessageContext messageContext) {
// ensure at least one principal has been assigned
if (form.getPermissions().isEmpty()) {
messageContext.addMessage(
new MessageBuilder()
.error()
.source("principal")
.code("please.choose.at.least.one.principal")
.build());
}
}
}