使用未缓冲的大块编码的POST请求apache http客户端
/* * -------------------------------------------------------------------- * 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.client; /* 来自 nowjava - 时 代 Java*/ import java.io.File; import java.io.FileInputStream; import org.apache.http.client.methods.CloseableHttpResponse; import org.apache.http.client.methods.HttpPost; import org.apache.http.entity.ContentType; import org.apache.http.entity.InputStreamEntity; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClients; import org.apache.http.util.EntityUtils; /** * Example how to use unbuffered chunk-encoded POST request. */ public class ClientChunkEncodedPost { public static void main(String[] args) throws Exception { /* from 时代Java - nowjava.com */ if (args.length != 1) { System.out.println("File path not given"); System.exit(1); } CloseableHttpClient httpclient = HttpClients.createDefault(); try { HttpPost httppost = new HttpPost("http://localhost/"); File file = new File(args[0]); InputStreamEntity reqEntity = new InputStreamEntity( new FileInputStream(file), -1, ContentType.APPLICATION_OCTET_STREAM); reqEntity.setChunked(true); // It may be more appropriate to use FileEntity class in this particular // instance but we are using a more generic InputStreamEntity to demonstrate // the capability to stream out data from any arbitrary source // // FileEntity entity = new FileEntity(file, "binary/octet-stream"); httppost.setEntity(reqEntity); System.out.println(