/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.deltaspike.servlet.api.resourceloader;
import java.io.InputStream;
import javax.enterprise.context.ApplicationScoped;
import javax.inject.Inject;
import javax.servlet.ServletContext;
import org.apache.deltaspike.core.api.common.DeltaSpike;
import org.apache.deltaspike.core.api.resourceloader.AbstractResourceProvider;
import org.apache.deltaspike.core.api.resourceloader.InjectableResource;
/**
* Loads resources using {@link ServletContext#getResource(String)}.
*/
@ApplicationScoped
public class WebResourceProvider extends AbstractResourceProvider
{
@Inject
@DeltaSpike
private ServletContext servletContext;
@Override
public InputStream readStream(InjectableResource injectableResource)
{
/*
* ServletContext.getResourceAsStream() requires the path to start with "/". We add it here if it is missing
* because it is a common mistake to miss it.
*/
String path = injectableResource.location();
if (!path.startsWith("/"))
{
path = "/" + path;
}
return servletContext.getResourceAsStream(path);
}
}