/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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.jboss.seam.solder.resourceLoader;
import java.io.IOException;
import java.io.InputStream;
import java.lang.annotation.Annotation;
import java.net.URL;
import java.util.Collection;
import java.util.Properties;
import java.util.Set;
import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.inject.Disposes;
import javax.enterprise.inject.Produces;
import javax.enterprise.inject.spi.InjectionPoint;
import javax.inject.Inject;
/**
* Resource producer allows injecting of resources.
*
* @author Pete Muir
*
* @see Resource
* @see ResourceProvider
*
*/
@ApplicationScoped
class ResourceProducer
{
@Inject
private ResourceLoaderManager resourceLoaderManager;
@Produces @Resource("")
InputStream loadResourceStream(InjectionPoint injectionPoint) throws IOException
{
String name = getName(injectionPoint);
return resourceLoaderManager.getResourceAsStream(name);
}
void closeResourceStream(@Disposes @Resource("") InputStream inputStream) throws IOException
{
try
{
inputStream.close();
}
catch (IOException e)
{
// Nothing we can do about this
}
}
@Produces @Resource("")
Collection<InputStream> loadResourcesStream(InjectionPoint injectionPoint) throws IOException
{
String name = getName(injectionPoint);
return resourceLoaderManager.getResourcesAsStream(name);
}
void closeResourcesStream(@Disposes @Resource("") Collection<InputStream> inputStreams) throws IOException
{
try
{
for (InputStream is : inputStreams)
{
is.close();
}
}
catch (IOException e)
{
// Nothing we can do about this
}
}
@Produces @Resource("")
URL loadResource(InjectionPoint injectionPoint)
{
String name = getName(injectionPoint);
return resourceLoaderManager.getResource(name);
}
@Produces @Resource("")
Collection<URL> loadResources(InjectionPoint injectionPoint)
{
String name = getName(injectionPoint);
return resourceLoaderManager.getResources(name);
}
@Produces @Resource("")
Properties loadPropertiesBundle(InjectionPoint injectionPoint)
{
String name = getName(injectionPoint);
return resourceLoaderManager.getPropertiesBundle(name);
}
@Produces @Resource("")
Collection<Properties> loadPropertiesBundles(InjectionPoint injectionPoint)
{
String name = getName(injectionPoint);
return resourceLoaderManager.getPropertiesBundles(name);
}
private String getName(InjectionPoint ip)
{
Set<Annotation> qualifiers = ip.getQualifiers();
for (Annotation qualifier : qualifiers)
{
if (qualifier.annotationType().equals(Resource.class))
{
return ((Resource) qualifier).value();
}
}
throw new IllegalArgumentException("Injection point " + ip + " does not have @Resource qualifier");
}
}