/*
* Copyright 2010-2010 LinkedIn, Inc
*
* 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.linkedin.util.io.resource;
import org.linkedin.util.io.resource.internal.SchemeURIResourceFactory;
import java.io.File;
import java.net.URI;
import java.util.HashMap;
import java.util.Map;
/**
* Basic implementation based on {@link SchemeURIResourceFactory}.
*
* @author ypujante@linkedin.com
*
*/
public class URIResourceFactoryImpl implements URIResourceFactory
{
private final Map<String, SchemeURIResourceFactory> _factories =
new HashMap<String, SchemeURIResourceFactory>();
/**
* Constructor
*/
public URIResourceFactoryImpl(SchemeURIResourceFactory... factories)
{
for(SchemeURIResourceFactory factory : factories)
{
_factories.put(factory.getScheme(), factory);
}
}
/**
* Based on the URI returns the right resource
*
* @param uri
* @return the resource
* @throws UnsupportedURIException if the uri is not supported by this factory
*/
@Override
public Resource createResource(URI uri) throws UnsupportedURIException
{
if(uri.getScheme() == null)
return FileResource.createFromRoot(new File(uri.getPath()));
SchemeURIResourceFactory factory = _factories.get(uri.getScheme());
if(factory == null)
throw new UnsupportedURIException("unsupported scheme " + uri.getScheme());
return factory.createResource(uri, this);
}
}