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111 lines
4.4 KiB
Java
111 lines
4.4 KiB
Java
/**
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* 创建时间：2016-2-23
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*/
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package cn.aofeng.demo.httpclient;
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import java.io.File;
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import java.io.IOException;
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import java.net.URISyntaxException;
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import java.util.ArrayList;
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import java.util.List;
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import org.apache.http.Header;
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import org.apache.http.HttpEntity;
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import org.apache.http.NameValuePair;
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import org.apache.http.StatusLine;
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import org.apache.http.client.ClientProtocolException;
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import org.apache.http.client.entity.UrlEncodedFormEntity;
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import org.apache.http.client.methods.CloseableHttpResponse;
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import org.apache.http.client.methods.HttpGet;
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import org.apache.http.client.methods.HttpPost;
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import org.apache.http.entity.ContentType;
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import org.apache.http.entity.FileEntity;
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import org.apache.http.impl.client.CloseableHttpClient;
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import org.apache.http.impl.client.HttpClients;
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import org.apache.http.message.BasicNameValuePair;
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import org.apache.http.util.EntityUtils;
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import org.apache.log4j.Logger;
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/**
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* HttpClient的基本操作。
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*
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* @author <a href="mailto:aofengblog@163.com">聂勇</a>
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*/
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public class HttpClientBasic {
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private static Logger _logger = Logger.getLogger(HttpClientBasic.class);
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private static String _targetHost = "http://127.0.0.1:8888";
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private static String _charset = "utf-8";
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public void get() throws URISyntaxException, ClientProtocolException, IOException {
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CloseableHttpClient client = HttpClients.createDefault();
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HttpGet get = new HttpGet(_targetHost+"/get");
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CloseableHttpResponse response = client.execute(get);
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processResponse(response);
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}
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public void post() throws ClientProtocolException, IOException {
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List<NameValuePair> params = new ArrayList<NameValuePair>();
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params.add(new BasicNameValuePair("chinese", "中文"));
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params.add(new BasicNameValuePair("english", "英文"));
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UrlEncodedFormEntity entity = new UrlEncodedFormEntity(params, _charset);
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CloseableHttpClient client = HttpClients.createDefault();
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HttpPost post = new HttpPost(_targetHost+"/post");
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post.addHeader("Cookie", "character=abcdefghijklmnopqrstuvwxyz; sign=abc-123-jkl-098");
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post.setEntity(entity);
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CloseableHttpResponse response = client.execute(post);
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processResponse(response);
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}
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public void sendFile(String filePath) throws UnsupportedOperationException, IOException {
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CloseableHttpClient client = HttpClients.createDefault();
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HttpPost post = new HttpPost(_targetHost+"/file");
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File file = new File(filePath);
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FileEntity entity = new FileEntity(file, ContentType.create(ContentType.TEXT_PLAIN.getMimeType(), _charset));
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post.setEntity(entity);
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CloseableHttpResponse response = client.execute(post);
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processResponse(response);
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}
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private void processResponse(CloseableHttpResponse response)
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throws UnsupportedOperationException, IOException {
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try {
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// 获取响应头
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Header[] headers = response.getAllHeaders();
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for (Header header : headers) {
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_logger.info(header.getName() + ":" + header.getValue());
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}
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// 获取状态信息
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StatusLine sl =response.getStatusLine();
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_logger.info( String.format("ProtocolVersion:%s, StatusCode:%d, Desc:%s",
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sl.getProtocolVersion().toString(), sl.getStatusCode(), sl.getReasonPhrase()) );
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// 获取响应内容
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HttpEntity entity = response.getEntity();
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_logger.info( String.format("ContentType:%s, Length:%d, Encoding:%s",
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null == entity.getContentType() ? "" : entity.getContentType().getValue(),
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entity.getContentLength(),
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null == entity.getContentEncoding() ? "" : entity.getContentEncoding().getValue()) );
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_logger.info(EntityUtils.toString(entity, _charset));
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// _logger.info( IOUtils.toString(entity.getContent(), _charset) ); // 大部分情况下效果与上行语句等同，但实现上的编码处理不同
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} finally {
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response.close();
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}
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}
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/**
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* @param args
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*/
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public static void main(String[] args) throws Exception {
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HttpClientBasic basic = new HttpClientBasic();
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// basic.get();
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// basic.post();
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basic.sendFile("/devdata/projects/open_source/mine/JavaTutorial/LICENSE");
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}
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}
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