java http token请求代码实例

java http token请求代码实例

本文实例为大家分享了java http token的具体代码，供大家参考，具体内容如下

package com.monitoring.common.util;

import java.io.BufferedInputStream;

import java.io.BufferedReader;

import java.io.ByteArrayOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.io.OutputStream;

import java.net.HttpURLConnection;

import java.net.URL;

import java.net.URLEncoder;

import java.util.HashMap;

import java.util.Iterator;

import java.util.List;

import java.util.Map;

import java.util.Set;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

import org.apache.commons.httpclient.HttpClient;

import org.apache.commons.httpclient.MultiThreadedHttpConnectionManager;

import org.apache.commons.httpclient.NameValuePair;

import org.apache.commons.httpclient.methods.GetMethod;

import org.apache.commons.httpclient.methods.PostMethod;

import org.apache.commons.lang.StringUtils;

import org.apache.log4j.Logger;

import org.codehaus.jackson.jsonParseException;

import org.codehaus.jackson.map.JsonMappingException;

/**

* 和HTTP相关的操作

*

* @author

*

*/

public class HttpUtils {

private static final Logger logger = Logger.getLogger(HttpUtils.class);

private final static MultiThreadedHttpConnectionManager manager = new MultiThreadedHttpConnectionManager();

// 支持重复连接

private static HttpClient client = new HttpClient(manager);

/**

*

* @Title: doPost

* @Description: post请求

* @param reqUrl

* @param parameters

* @return String

*/

public static String doPost(String reqUrl, Map parameters, String token) {

HttpURLConnection urlConn = null;

try {

urlConn = _sendPost(reqUrl, parameters, token);

String responseContent = _getContent(urlConn);

return responseContent.trim();

} finally {

if (urlConn != null) {

urlConn.disconnect();

}

}

}

/**

*

* @Title: doUploadFile

* @Description: 从网络上下载文件

* @param reqUrl

* @param parameters

* @param fileParamName

* @param filename

* @param contentType

* @param data

* @return String

*/

public static String doUploadFile(String reqUrl, Map parameters, String fileParamName,

String filename, String contentType, byte[] data) {

HttpURLConnection urlConn = null;

try {

urlConn = _sendFormdata(reqUrl, parameters, fileParamName, filename, contentType, data);

String responseContent = new String(_getBytes(urlConn));

return responseContent.trim();

} catch (Exception e) {

throw new RuntimeException(e.getMessage(), e);

} finally {

if (urlConn != null) {

urlConn.disconnect();

}

}

}

private static HttpURLConnection _sendFormdata(String reqUrl, Map parameters, String fileParamName,

String filename, String contentType, byte[] data) {

HttpURLConnection urlConn = null;

try {

URL url = new URL(reqUrl);

urlConn = (HttpURLConnection) url.openConnection();

urlConn.setRequestMethod("POST");

urlConn.setConnectTimeout(5000);// （单位：毫秒）jdk

urlConn.setReadTimeout(5000);// （单位：毫秒）jdk 1.5换成这个,读操作超时

urlConn.setDoOutput(true);

urlConn.setRequestProperty("Connection", "keep-alive");

String boundary = "-----------------------------114975832116442893661388290519"; // 分隔符

urlConn.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);

boundary = "--" + boundary;

StringBuffer params = new StringBuffer();

if (parameters != null) {

for (Iterator iter = parameters.keySet().iterator(); iter.hasNext();) {

String name = iter.next();

String value = parameters.get(name);

params.append(boundary + "\r\n");

params.append("Content-Disposition: form-data; name=\"" + name + "\"\r\n\r\n");

// params.append(URLEncoder.encode(value, "UTF-8"));

params.append(value);

params.append("\r\n");

}

}

StringBuilder sb = new StringBuilder();

// sb.append("\r\n");

sb.append(boundary);

sb.append("\r\n");

sb.append("Content-Disposition: form-data; name=\"" + fileParamName + "\"; filename=\"" + filename

+ "\"\r\n");

sb.append("Content-Type: " + contentType + "\r\n\r\n");

byte[] fileDiv = sb.toString().getBytes();

byte[] endData = ("\r\n" + boundary + "--\r\n").getBytes();

byte[] ps = params.toString().getBytes();

OutputStream os = urlConn.getOutputStream();

os.write(ps);

os.write(fileDiv);

os.write(data);

os.write(endData);

os.flush();

os.close();

} catch (Exception e) {

throw new RuntimeException(e.getMessage(), e);

}

return urlConn;

}

private static String _getContent(HttpURLConnection urlConn) {

try {

String responseContent = null;

InputStream in = urlConn.getInputStream();

BufferedReader rd = new BufferedReader(new InputStreamReader(in, "UTF-8"));

String tempLine = rd.readLine();

StringBuffer tempStr = new StringBuffer();

String crlf = System.getProperty("line.separator");

while (tempLine != null) {

tempStr.append(tempLine);

tempStr.append(crlf);

tempLine = rd.readLine();

}

responseContent = tempStr.toString();

rd.close();

in.close();

return responseContent;

} catch (Exception e) {

throw new RuntimeException(e.getMessage(), e);

}

}

private static byte[] _getBytes(HttpURLConnection urlConn) {

try {

InputStream in = urlConn.getInputStream();

ByteArrayOutputStream os = new ByteArrayOutputStream();

byte[] buf = new byte[1024];

for (int i = 0; (i = in.read(buf)) > 0;)

os.write(buf, 0, i);

in.close();

return os.toByteArray();

} catch (Exception e) {

throw new RuntimeException(e.getMessage(), e);

}

}

private static HttpURLConnection _sendPost(String reqUrl, Map parameters, String token) {

HttpURLConnection urlConn = null;

try {

StringBuffer params = new StringBuffer();

if (parameters != null) {

for (Iterator iter = parameters.keySet().iterator(); iter.hasNext();) {

String name = iter.next();

String value = parameters.get(name);

params.append(name + "=");

params.append(URLEncoder.encode(value, "UTF-8"));

if (iter.hasNext())

params.append("&");

}

}

URL url = new URL(reqUrl);

urlConn = (HttpURLConnection) url.openConnection();

if(StringUtils.isNotBlank(token)) {

urlConn.addRequestProperty("token", token);

}

urVvXURIlConn.setRequestMethod("POST");

urlConn.setConnectTimeout(5000);// （单位：毫秒）jdk

urlConn.setReadTimeout(5000);// （单位：毫秒）jdk 1.5换成这个,读操作超时

urlConn.setDoOutput(true);

byte[] b = params.toString().getBytes();

urlConn.getOutputStream().write(b, 0, b.length);

urlConn.getOutputStream().flush();

urlConn.getOutputStream().close();

} catch (Exception e) {

throw new RuntimeException(e.getMessage(), e);

}

return urlConn;

}

/**

* 发送GET请求

*

* @param link

* @param charset

* @return

*/

public static String doGet(String link, String charset, String token) {

HttpURLConnection conn = null;

try {

URL url = new URL(link);

conn = (HttpURLConnection) url.openConnection();

conn.setRequestMethod("GET");

conn.setRequestProperty("User-Agent", "Mozilla/5.0");

if(StringUtils.isNotEmpty(token)) {

conn.addRequestProperty("token", token);

}

BufferedInputStream in = new BufferedInputStream(conn.getInputStream());

ByteArrayOutputStream out = new ByteArrayOutputStream();

byte[] buf = new byte[1024];

for (int i = 0; (i = in.read(buf)) > 0;) {

out.write(buf, 0, i);

}

out.flush();

out.close();

String s = new String(out.toByteArray(), charset);

return s;

} catch (Exception e) {

throw new RuntimeException(e.getMessage(), e);

} finally {

if (conn != null) {

conn.disconnect();

}

}

}

/**

* UTF-8编码

*

* @param link

* @return

*/

public static String doGet(String link, String token) {

return doGet(link, "UTF-8", token);

}

/**

*

* @Title: getIntResponse

* @Description: 发送GET请求

* @param link

* @return int

*/

public static int getIntResponse(String link, String token) {

String str = doGet(link, token);

return Integer.parseInt(str.trim());

}

public static long ip2Long(String strIP) {

long[] ip = new long[4];

// 先找到IP地址字符串中.的位置

int position1 = strIP.indexOf(".");

int position2 = strIP.indexOf(".", position1 + 1);

int position3 = strIP.indexOf(".", position2 + 1);

// 将每个.之间的字符串转换成整型

ip[0] = Long.parseLong(strIP.substring(0, position1));

ip[1] = Long.parseLong(strIP.substring(position1 + 1, position2));

ip[2] = Long.parseLong(strIP.substring(position2 + 1, position3));

ip[3] = Long.parseLong(strIP.substring(position3 + 1));

return (ip[0] << 24) + (ip[1] << 16) + (ip[2] << 8) + ip[3];

}

// 将10进制整数形式转换成127.0.0.1形式的IP地址

public static String long2IP(long longIP) {

StringBuffer sb = new StringBuffer("");

// 直接右移24位

sb.append(String.valueOf(longIP >>> 24));

sb.append(".");

// 将高8位置0，然后右移16位

sb.append(String.valueOf((longIP & 0x00FFFFFF) >>> 16));

sb.append(".");

sb.append(String.valueOf((longIP & 0x0000FFFF) >>> 8));

sb.append(".");

sb.append(String.valueOf(longIP & 0x000000FF));

return sb.toString();

}

/**

*

* urlParse:url解析.

*

* @author majun

* @param arrList

* @param url

* @return

* @since JDK 1.6

*/

public static Map urlParse(List arrList, String url) {

Map vaulesMap = new HashMap();

for (String s : arrList) {

Pattern pattern = Pattern.compile(s + "=([^&]*)(&|$)");

Matcher matcher = pattern.matcher(url);

if (matcher.find()) {

String[] arr = matcher.group(1).split("'");

vaulesMap.put(s, arr[1]);

}

}

return vaulesMap;

}

/***

*

* http_doPost: httpClient发送post 请求.

*

* @author majun

* @version 创建时间：2016年6月22日 下午6:15:59

* @since JDK 1.6

*/

public static String http_doPost(String reqUrl, Map parameters, String userToken) {

try {

// MultiThreadedHttpConnectionManager manager = new MultiThreadedHttpConnectionManager();

// 支持重复连接

// HttpClient client = new HttpClient(manager);

PostMethod post = new PostMethod(reqUrl);

post.setRequestHeader("Connection", "keep-alive");

post.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");

NameValuePair[] params = new NameValuePair[parameters.size()];

Set keys = parameters.keySet();

int index = 0;

for (String key : keys) {

params[index] = new NameValuePair(key, parameters.get(key));

index++;

}

post.setQueryString(params);

if (StringUtils.isNotBlank(userToken)) {

post.setRequestHeader("userToken", userToken);

}

Integer status = client.executeMethod(post);

logger.info("loginStatus:" + status);

String body = post.getResponseBodyAsStrihttp://ng();

return body;

} catch (JsonParseException e) {

e.printStackTrace();

} catch (JsonMappingException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

return null;

}

/***

*

* http_doGet: httpClient发送get请求.

*

* @author majun

* @version 创建时间：2016年6月22日 下午6:25:10

* @since JDK 1.6

*/

public static String http_doGet(String reqUrl, Map parameters, String userToken) {

try {

// MultiThreadedHttpConnectionManager manager = new MultiThreadedHttpConnectionManager();

// 支持重复连接

// HttpClient client = new HttpClient(manager);

GetMethod get = new GetMethod(reqUrl);

NameValuePair[] params = new NameValuePair[parameters.size()];

Set keys = parameters.keySet();

int index = 0;

for (String key : keys) {

params[index] = new NameValuePair(key, parameters.get(key));

index++;

}

get.setQueryString(params);

if (StringUtils.isNotBlank(userToken)) {

get.setRequestHeader("userToken", userToken);

}

Integer status = client.executeMethod(get);

logger.info("http_doGet==>Status:" + status);

String body = get.getResponseBodyAsString();

return body;

} catch (Exception e) {

e.printStackTrace();

}

return null;

}

}

以上所述是给大家介绍的java http token请求详解整合，希望对大家有所帮助，如果大家有任何疑问请给我留言，会及时回复大家的。在此也非常感谢大家对我们网站的支持！

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