com.huawei.openstack4j.openstack.common.DLPayloadEntity Maven / Gradle / Ivy
/*******************************************************************************
* Copyright 2016 ContainX and OpenStack4j
*
* 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 com.huawei.openstack4j.openstack.common;
import static com.google.common.base.Preconditions.checkNotNull;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import com.google.common.io.ByteStreams;
import com.huawei.openstack4j.core.transport.HttpResponse;
import com.huawei.openstack4j.model.common.DLPayload;
/**
* A Payload which encapsulates downstream data
*
* @author Jeremy Unruh
*/
public class DLPayloadEntity implements DLPayload {
private final HttpResponse response;
private DLPayloadEntity(HttpResponse response) {
this.response = response;
}
public static DLPayloadEntity create(HttpResponse response) {
return new DLPayloadEntity(response);
}
@Override
public HttpResponse getHttpResponse() {
return response;
}
@Override
public InputStream getInputStream() {
return response.getInputStream();
}
@Override
public void writeToFile(File file) throws IOException {
checkNotNull(file);
try(InputStream inputStream = response.getInputStream();
FileOutputStream fileOutputStream = new FileOutputStream(file) ){
ByteStreams.copy(inputStream, fileOutputStream);
}
}
}