/
AbstractEntityScreenGeneric.java
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/
AbstractEntityScreenGeneric.java
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package org.rapidoid.app;
/*
* #%L
* rapidoid-app
* %%
* Copyright (C) 2014 - 2015 Nikolche Mihajlovski
* %%
* 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.
* #L%
*/
import org.rapidoid.annotation.Authors;
import org.rapidoid.annotation.Since;
import org.rapidoid.plugins.DB;
@Authors("Nikolche Mihajlovski")
@Since("3.0.0")
public abstract class AbstractEntityScreenGeneric extends Screen {
protected final Class<?> entityType;
public AbstractEntityScreenGeneric(Class<?> entityType) {
this.entityType = entityType;
}
@SuppressWarnings("unchecked")
protected <T> T getEntityById() {
String id = ctx().pathSegment(1);
Object entity = DB.getIfExists(entityType, id);
if (entity == null) {
throw ctx().notFound();
}
return (T) entity;
}
@Override
public String toString() {
return "AbstractEntityScreenGeneric [entityType=" + entityType + "]";
}
}