/*
* Demoiselle Framework
* Copyright (C) 2010 SERPRO
* ----------------------------------------------------------------------------
* This file is part of Demoiselle Framework.
*
* Demoiselle Framework is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License version 3
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License version 3
* along with this program; if not, see <http://www.gnu.org/licenses/>
* or write to the Free Software Foundation, Inc., 51 Franklin Street,
* Fifth Floor, Boston, MA 02110-1301, USA.
* ----------------------------------------------------------------------------
* Este arquivo é parte do Framework Demoiselle.
*
* O Framework Demoiselle é um software livre; você pode redistribuí-lo e/ou
* modificá-lo dentro dos termos da GNU LGPL versão 3 como publicada pela Fundação
* do Software Livre (FSF).
*
* Este programa é distribuído na esperança que possa ser útil, mas SEM NENHUMA
* GARANTIA; sem uma garantia implícita de ADEQUAÇÃO a qualquer MERCADO ou
* APLICAÇÃO EM PARTICULAR. Veja a Licença Pública Geral GNU/LGPL em português
* para maiores detalhes.
*
* Você deve ter recebido uma cópia da GNU LGPL versão 3, sob o título
* "LICENCA.txt", junto com esse programa. Se não, acesse <http://www.gnu.org/licenses/>
* ou escreva para a Fundação do Software Livre (FSF) Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02111-1301, USA.
*/
/*
* Demoiselle Framework Copyright (c) 2010 Serpro and other contributors as indicated by the @author tag. See the
* copyright.txt in the distribution for a full listing of contributors. Demoiselle Framework is an open source Java EE
* library designed to accelerate the development of transactional database Web applications. Demoiselle Framework is
* released under the terms of the LGPL license 3 http://www.gnu.org/licenses/lgpl.html LGPL License 3 This file is part
* of Demoiselle Framework. Demoiselle Framework is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License 3 as published by the Free Software Foundation. Demoiselle Framework
* is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You
* should have received a copy of the GNU Lesser General Public License along with Demoiselle Framework. If not, see
* <http://www.gnu.org/licenses/>.
*/
package br.gov.frameworkdemoiselle.internal.context;
import java.lang.annotation.Annotation;
import javax.enterprise.context.ContextNotActiveException;
import javax.enterprise.context.spi.Contextual;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.Bean;
public class ThreadLocalContext implements CustomContext {
private final ThreadLocal<ContextStore> threadLocal = new ThreadLocal<ContextStore>();
private boolean active;
private final Class<? extends Annotation> scope;
public ThreadLocalContext(final Class<? extends Annotation> scope) {
this(scope, true);
}
public ThreadLocalContext(final Class<? extends Annotation> scope,
boolean active) {
this.scope = scope;
this.active = active;
}
@Override
public <T> T get(final Contextual<T> contextual) {
return get(contextual, null);
}
@Override
@SuppressWarnings("unchecked")
public <T> T get(final Contextual<T> contextual,
final CreationalContext<T> creationalContext) {
T instance = null;
if (!isActive()) {
throw new ContextNotActiveException();
}
String id = getId(contextual);
if (getStore().contains(id)) {
instance = (T) getStore().get(id);
} else if (creationalContext != null) {
instance = contextual.create(creationalContext);
getStore().put(id, instance);
}
return instance;
}
private <T> String getId(final Contextual<T> contextual) {
Bean<T> bean = (Bean<T>) contextual;
return bean.getBeanClass().getCanonicalName();
}
@Override
public Class<? extends Annotation> getScope() {
return this.scope;
}
private ContextStore getStore() {
if (this.threadLocal.get() == null) {
this.threadLocal.set(new ContextStore());
}
return this.threadLocal.get();
}
@Override
public boolean isActive() {
return this.active;
}
public void setActive(final boolean active) {
this.active = active;
}
}