io.microsphere.spring.net.SpringResourceURLConnection Maven / Gradle / Ivy
/*
* 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 io.microsphere.spring.net;
import io.microsphere.net.DelegatingURLConnection;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;
import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;
/**
* Spring {@link Resource} {@link URLConnection}
*
* @author Mercy
* @see Resource
* @see ResourceLoader
* @since 1.0.0
*/
public class SpringResourceURLConnection extends DelegatingURLConnection {
private final Resource resource;
/**
* Constructs a URL connection to the specified URL. A connection to
* the object referenced by the URL is not created.
*
* @param rawURL the raw {@link URL}
* @param resource the {@link Resource}
*/
public SpringResourceURLConnection(URL rawURL, Resource resource) throws IOException {
super(getDelegate(rawURL, resource));
this.resource = resource;
}
private static URLConnection getDelegate(URL rawURL, Resource resource) {
URLConnection delegate = null;
URL url = null;
try {
url = resource.getURL();
delegate = url.openConnection();
} catch (IOException e) {
// The Spring Resource can't support the getURL() method
delegate = new SpringResourceURLConnectionAdapter(rawURL, resource);
}
return delegate;
}
/**
* Get the {@link Resource}
*
* @return the {@link Resource}
*/
public Resource getResource() {
return resource;
}
}