
org.jboss.weld.resources.DefaultResourceLoader Maven / Gradle / Ivy
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* JBoss, Home of Professional Open Source
* Copyright 2008, 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.weld.resources;
import java.io.IOException;
import java.net.URL;
import java.util.Collection;
import org.jboss.weld.resources.spi.ResourceLoader;
import org.jboss.weld.resources.spi.ResourceLoadingException;
import org.jboss.weld.util.collections.EnumerationList;
/**
* A simple resource loader.
*
* Uses {@link DefaultResourceLoader}'s classloader if the Thread Context
* Classloader isn't available
*
* @author Pete Muir
*/
public class DefaultResourceLoader implements ResourceLoader {
public static DefaultResourceLoader INSTANCE = new DefaultResourceLoader();
protected DefaultResourceLoader() {
}
public Class> classForName(String name) {
try {
final ClassLoader tccl = Thread.currentThread().getContextClassLoader();
if (tccl != null) {
return tccl.loadClass(name);
} else {
return Class.forName(name);
}
} catch (ClassNotFoundException e) {
throw new ResourceLoadingException("Error loading class " + name, e);
} catch (NoClassDefFoundError e) {
throw new ResourceLoadingException("Error loading class " + name, e);
} catch (TypeNotPresentException e) {
throw new ResourceLoadingException("Error loading class " + name, e);
}
}
public URL getResource(String name) {
final ClassLoader tccl = Thread.currentThread().getContextClassLoader();
if (tccl != null) {
return tccl.getResource(name);
} else {
return getClass().getResource(name);
}
}
public Collection getResources(String name) {
try {
final ClassLoader tccl = Thread.currentThread().getContextClassLoader();
if (tccl != null) {
return new EnumerationList(tccl.getResources(name));
} else {
return new EnumerationList(getClass().getClassLoader().getResources(name));
}
} catch (IOException e) {
throw new ResourceLoadingException("Error loading resource " + name, e);
}
}
public void cleanup() {
}
}
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