/*
* ============================================================================
* GNU Lesser General Public License
* ============================================================================
*
* Beanlet - JSE Application Container.
* Copyright (C) 2006 Leon van Zantvoort
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Leon van Zantvoort
* 243 Acalanes Drive #11
* Sunnyvale, CA 94086
* USA
*
* zantvoort@users.sourceforge.net
* http://beanlet.org
*/
package org.beanlet.naming.impl;
import static org.beanlet.naming.impl.NamingHelper.*;
import java.util.Collections;
import java.util.Set;
import java.util.logging.Logger;
import javax.naming.Context;
import javax.naming.NameNotFoundException;
import javax.naming.NamingException;
import org.beanlet.BeanletWiringException;
import org.jargo.ComponentContext;
import org.beanlet.Inject;
import org.beanlet.WiringMode;
import org.beanlet.annotation.Element;
import org.beanlet.annotation.ElementAnnotation;
import org.beanlet.plugin.BeanletConfiguration;
import org.beanlet.plugin.Injectant;
import org.beanlet.common.InjectantImpl;
/**
*
* @author Leon van Zantvoort
*/
public final class NamingWireByNameDependencyInjectionFactoryImpl extends
NamingWiringDependencyInjectionFactory {
private static final Logger logger = Logger.getLogger(
NamingWireByNameDependencyInjectionFactoryImpl.class.getName());
private final BeanletConfiguration<?> configuration;
public NamingWireByNameDependencyInjectionFactoryImpl(
final BeanletConfiguration<?> configuration) {
super(configuration);
this.configuration = configuration;
}
public WiringMode getWiringMode() {
return WiringMode.BY_NAME;
}
public boolean isSupported(ElementAnnotation<? extends Element, Inject> ea) {
if (isWiringModeSupported(ea)) {
String name = getName(ea);
if (name.equals("") || configuration.getComponentName().equals(name)) {
// Exclude itself.
return false;
} else {
if (name.length() > 0) {
try {
Context context = getInitialContext(configuration,
ea.getElement());
synchronized (context) {
context.lookup(name);
}
return true;
} catch (NameNotFoundException e) {
logger.finest("No jndi binding found for name: '" + name + "'.");
return false;
} catch (NamingException e) {
throw new BeanletWiringException(
configuration.getComponentName(),
ea.getElement().getMember(), e);
}
} else {
return false;
}
}
} else {
return false;
}
}
public Set<String> getDependencies(
ElementAnnotation<? extends Element, Inject> ea) {
return Collections.emptySet();
}
public Injectant<?> getInjectant(ElementAnnotation<? extends Element,
Inject> ea, ComponentContext<?> ctx) {
try {
String name = getName(ea);
Context context = getInitialContext(configuration, ea.getElement());
final Object o;
synchronized (context) {
o = context.lookup(name);
}
return new InjectantImpl<Object>(o, true);
} catch (NamingException e) {
throw new BeanletWiringException(configuration.getComponentName(),
ea.getElement().getMember(), e);
}
}
}