/*
* JBoss, Home of Professional Open Source
* Copyright 2011, Red Hat, Inc. and/or its affiliates, 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.solder.resourceLoader;
import java.io.InputStream;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.jboss.solder.logging.Logger;
import org.jboss.solder.resourceLoader.ResourceLoader;
/**
* Resource loader that delegates to a static list of resource loaders.
*
* @author Stuart Douglas
* @deprecated this resource loader can easily leak between application instances
*/
@Deprecated
public class DelegatingResourceLoader implements ResourceLoader {
private static final Logger log = Logger.getLogger("org.jboss.solder.resources");
// TODO: get rid of the static
private static final List<ResourceLoader> resourceLoaders = new ArrayList<ResourceLoader>();
public static void addResourceLoader(ResourceLoader loader) {
resourceLoaders.add(loader);
}
public URL getResource(String name) {
for (ResourceLoader loader : resourceLoaders) {
URL resource = loader.getResource(name);
if (resource != null) {
log.trace("Loaded resource " + name + " from " + loader.toString());
return resource;
}
}
return null;
}
public InputStream getResourceAsStream(String name) {
for (ResourceLoader loader : resourceLoaders) {
InputStream resource = loader.getResourceAsStream(name);
if (resource != null) {
log.trace("Loaded resource " + name + " from " + loader.toString());
return resource;
}
}
return null;
}
public Set<URL> getResources(String name) {
Set<URL> resources = new HashSet<URL>();
for (ResourceLoader loader : resourceLoaders) {
resources.addAll(loader.getResources(name));
}
return resources;
}
public Collection<InputStream> getResourcesAsStream(String name) {
Set<InputStream> resources = new HashSet<InputStream>();
for (ResourceLoader loader : resourceLoaders) {
resources.addAll(loader.getResourcesAsStream(name));
}
return resources;
}
public int getPrecedence() {
return 5;
}
}