/*
* ====================================================================
* 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.http.examples.nio.client;
import java.io.File;
import java.util.concurrent.Future;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.entity.ContentType;
import org.apache.http.impl.nio.client.CloseableHttpAsyncClient;
import org.apache.http.impl.nio.client.HttpAsyncClients;
import org.apache.http.nio.client.methods.ZeroCopyConsumer;
import org.apache.http.nio.client.methods.ZeroCopyPost;
public class ZeroCopyHttpExchange {
public static void main(final String[] args) throws Exception {
final CloseableHttpAsyncClient httpclient = HttpAsyncClients.createDefault();
httpclient.start();
try {
final File upload = new File(args[0]);
final File download = new File(args[1]);
final ZeroCopyPost httpost = new ZeroCopyPost("http://localhost:8080/", upload,
ContentType.create("text/plain"));
final ZeroCopyConsumer<File> consumer = new ZeroCopyConsumer<File>(download) {
@Override
protected File process(
final HttpResponse response,
final File file,
final ContentType contentType) throws Exception {
if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
throw new ClientProtocolException("Upload failed: " + response.getStatusLine());
}
return file;
}
};
final Future<File> future = httpclient.execute(httpost, consumer, null);
final File result = future.get();
System.out.println("Response file length: " + result.length());
System.out.println("Shutting down");
} finally {
httpclient.close();
}
System.out.println("Done");
}
}