org.bndly.rest.controller.impl.StreamWritingResource Maven / Gradle / Ivy
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package org.bndly.rest.controller.impl;
/*-
* #%L
* REST Controller Impl
* %%
* Copyright (C) 2013 - 2020 Cybercon GmbH
* %%
* 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.
* #L%
*/
import org.bndly.rest.controller.api.InputStreamResource;
import org.bndly.rest.api.Resource;
import org.bndly.rest.api.ResourceProvider;
import org.bndly.rest.api.ResourceURI;
import org.bndly.rest.controller.api.Response;
import org.bndly.rest.controller.api.ResponseResource;
import java.io.InputStream;
/**
*
* @author cybercon <[email protected]>
*/
public class StreamWritingResource implements Resource, ResponseResource, InputStreamResource {
private final Response response;
private final InputStream is;
private final ResourceProvider provider;
private final ResourceURI uri;
public StreamWritingResource(ResourceProvider provider, ResourceURI uri, Response response) {
this.uri = uri;
this.provider = provider;
this.response = response;
try {
is = (InputStream) response.getEntity();
} catch (ClassCastException e) {
throw new IllegalStateException("stream writing response can only be created around responses with an inputstream as entity.");
}
}
@Override
public Response getResponse() {
return response;
}
@Override
public InputStream getInputStream() {
return is;
}
@Override
public ResourceURI getURI() {
return uri;
}
@Override
public ResourceProvider getProvider() {
return provider;
}
}