HttpUtils.java
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package com.huaheng.common.utils.http;
import java.io.*;
import java.net.*;
import java.security.cert.X509Certificate;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpEntity;
import static com.sun.org.apache.xml.internal.serialize.OutputFormat.Defaults.Encoding;
/**
* 通用http发送方法
*
* @author huaheng
*/
public class HttpUtils
{
private static final Logger log = LoggerFactory.getLogger(HttpUtils.class);
/**
* 向指定 URL 发送GET方法的请求
*
* @param url 发送请求的 URL
* @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
* @return 所代表远程资源的响应结果
*/
public static String sendGet(String url, String param)
{
StringBuilder result = new StringBuilder();
BufferedReader in = null;
try
{
String urlNameString = url + "?" + param;
log.info("sendGet - {}", urlNameString);
URL realUrl = new URL(urlNameString);
URLConnection connection = realUrl.openConnection();
connection.setRequestProperty("accept", "*/*");
connection.setRequestProperty("connection", "Keep-Alive");
connection.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
connection.connect();
in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
String line;
while ((line = in.readLine()) != null)
{
result.append(line);
}
log.info("recv - {}", result);
}
catch (ConnectException e)
{
log.error("调用HttpUtils.sendGet ConnectException, url=" + url + ",param=" + param, e.getMessage());
}
catch (SocketTimeoutException e)
{
log.error("调用HttpUtils.sendGet SocketTimeoutException, url=" + url + ",param=" + param, e.getMessage());
}
catch (IOException e)
{
log.error("调用HttpUtils.sendGet IOException, url=" + url + ",param=" + param, e.getMessage());
}
catch (Exception e)
{
log.error("调用HttpsUtil.sendGet Exception, url=" + url + ",param=" + param, e.getMessage());
}
finally
{
try
{
if (in != null)
{
in.close();
}
}
catch (Exception ex)
{
log.error("调用in.close Exception, url=" + url + ",param=" + param, ex.getMessage());
}
}
return result.toString();
}
/**
* 向指定 URL 发送POST方法的请求
*
* @param url 发送请求的 URL
* @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
* @return 所代表远程资源的响应结果
*/
public static String sendPost(String url, String param)
{
PrintWriter out = null;
BufferedReader in = null;
StringBuilder result = new StringBuilder();
try
{
String urlNameString = url + "?" + param;
log.info("sendPost - {}", urlNameString);
URL realUrl = new URL(urlNameString);
URLConnection conn = realUrl.openConnection();
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
conn.setRequestProperty("Accept-Charset", "utf-8");
conn.setRequestProperty("contentType", "utf-8");
conn.setDoOutput(true);
conn.setDoInput(true);
out = new PrintWriter(conn.getOutputStream());
out.print(param);
out.flush();
in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "utf-8"));
String line;
while ((line = in.readLine()) != null)
{
result.append(line);
}
log.info("recv - {}", result);
}
catch (ConnectException e)
{
log.error("调用HttpUtils.sendPost ConnectException, url=" + url + ",param=" + param, e.getMessage());
}
catch (SocketTimeoutException e)
{
log.error("调用HttpUtils.sendPost SocketTimeoutException, url=" + url + ",param=" + param, e.getMessage());
}
catch (IOException e)
{
log.error("调用HttpUtils.sendPost IOException, url=" + url + ",param=" + param, e.getMessage());
}
catch (Exception e)
{
log.error("调用HttpsUtil.sendPost Exception, url=" + url + ",param=" + param, e.getMessage());
}
finally
{
try
{
if (out != null)
{
out.close();
}
if (in != null)
{
in.close();
}
}
catch (IOException ex)
{
log.error("调用in.close Exception, url=" + url + ",param=" + param, ex.getMessage());
}
}
return result.toString();
}
public static String sendSSLPost(String url, String param)
{
StringBuilder result = new StringBuilder();
String urlNameString = url + "?" + param;
try
{
log.info("sendSSLPost - {}", urlNameString);
SSLContext sc = SSLContext.getInstance("SSL");
sc.init(null, new TrustManager[] { new TrustAnyTrustManager() }, new java.security.SecureRandom());
URL console = new URL(urlNameString);
HttpsURLConnection conn = (HttpsURLConnection) console.openConnection();
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
conn.setRequestProperty("Accept-Charset", "utf-8");
conn.setRequestProperty("contentType", "utf-8");
conn.setDoOutput(true);
conn.setDoInput(true);
conn.setSSLSocketFactory(sc.getSocketFactory());
conn.setHostnameVerifier(new TrustAnyHostnameVerifier());
conn.connect();
InputStream is = conn.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(is));
String ret = "";
while ((ret = br.readLine()) != null)
{
if (ret != null && !ret.trim().equals(""))
{
result.append(new String(ret.getBytes("ISO-8859-1"), "utf-8"));
}
}
log.info("recv - {}", result);
conn.disconnect();
br.close();
}
catch (ConnectException e)
{
log.error("调用HttpUtils.sendSSLPost ConnectException, url=" + url + ",param=" + param, e.getMessage());
}
catch (SocketTimeoutException e)
{
log.error("调用HttpUtils.sendSSLPost SocketTimeoutException, url=" + url + ",param=" + param, e.getMessage());
}
catch (IOException e)
{
log.error("调用HttpUtils.sendSSLPost IOException, url=" + url + ",param=" + param, e.getMessage());
}
catch (Exception e)
{
log.error("调用HttpsUtil.sendSSLPost Exception, url=" + url + ",param=" + param, e.getMessage());
}
return result.toString();
}
//此方法是将参数以body形式发送post请求
public static String bodypost(String strURL, String params) {
System.out.println(strURL);
System.out.println(params);
String result = null;
try {
URL url = new URL(strURL);// 创建连接
HttpURLConnection connection = (HttpURLConnection)
url.openConnection();
connection.setDoOutput(true);
connection.setDoInput(true);
connection.setUseCaches(false);
connection.setInstanceFollowRedirects(true);
connection.setRequestMethod("POST");// 设置请求方式
connection.setRequestProperty("Accept","application/json");// 设置接收数据的格式
connection.setRequestProperty("Content-Type","application/json");// 设置发送数据的格式
connection.connect(); OutputStreamWriter out = new OutputStreamWriter( connection.getOutputStream(),"UTF-8");// utf-8编码
out.append(params); out.flush(); out.close(); // 读取响应
int length = (int) connection.getContentLength();// 获取长度
InputStream is = connection.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(is));
// String ret = "";
// if ((ret = br.readLine()) != null) {
byte[] data = new byte[length];
byte[] temp = new byte[512];
int readLen = 0; int destPos = 0;
while ((readLen = is.read(temp)) > 0){
System.arraycopy(temp, 0, data, destPos, readLen);
destPos += readLen;
}
result = new String(data, "UTF-8");
System.out.println(result);
// }
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
return result;
}
private static class TrustAnyTrustManager implements X509TrustManager
{
@Override
public void checkClientTrusted(X509Certificate[] chain, String authType)
{
}
@Override
public void checkServerTrusted(X509Certificate[] chain, String authType)
{
}
@Override
public X509Certificate[] getAcceptedIssuers()
{
return new X509Certificate[] {};
}
}
private static class TrustAnyHostnameVerifier implements HostnameVerifier
{
@Override
public boolean verify(String hostname, SSLSession session)
{
return true;
}
}
}