/*
* Copyright 2002-2007 the original author or authors.
*
* 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.internna.iwebmvc.spring.binding;
import java.beans.PropertyEditorSupport;
import org.internna.iwebmvc.core.crypto.Decipherer;
import org.internna.iwebmvc.core.dao.DAO;
import org.internna.iwebmvc.model.Locatable;
import org.internna.iwebmvc.model.UUID;
import org.internna.iwebmvc.utils.Assert;
import org.internna.iwebmvc.utils.StringUtils;
/**
* Binder for JPA entities.
*
* @author Jose Noheda
* @since 1.0
*/
public class DomainEntityBinder extends PropertyEditorSupport {
protected DAO dao;
protected Decipherer decipherer;
protected Class<? extends Locatable> clazz;
public DomainEntityBinder(Class<? extends Locatable> clazz, DAO dao, Decipherer decipherer) {
this.dao = dao;
this.clazz = clazz;
this.decipherer = decipherer;
}
@Override
public void setAsText(String text) throws IllegalArgumentException {
Object selectable = null;
if (StringUtils.hasText(text)) {
Assert.isEncrypted(decipherer, text);
selectable = dao.find(clazz, new UUID(decipherer.decrypt(text)));
}
setValue(selectable);
}
}