Http 工具類

發布時間：2020-07-05 22:52:08 來源：網絡閱讀：434 作者：IT達仁欄目：編程語言

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.math.BigDecimal;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLException;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import javax.servlet.http.HttpServletRequest;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.conn.ssl.X509HostnameVerifier;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
- HTTP工具類
- @author ycye
*/
public class HttpUtils {
private static Logger logger = LoggerFactory.getLogger(HttpUtils.class);
private static final int OSB_TIME_OUT=20;
/**
- HTTPGET
- @param url
- @param paramsMap
- @param encoding
- @return
*/
public final static String httpGet(String url, Map<String, String> paramsMap, String encoding) throws Exception{
Map<String, String> headerMap = new HashMap<String, String>();
headerMap.put("Content-Type", "application/x-www-form-urlencoded; charset=" + encoding);
return get(url, paramsMap, headerMap, encoding, url != null && url.startsWith("https:") ? "https" : "http");
}
/**
- HTTPSGET
- @param url
- @param paramsMap
- @param encoding
- @return
*/
public final static String httpsGet(String url, Map<String, String> paramsMap, String encoding) throws Exception{
Map<String, String> headerMap = new HashMap<String, String>();
headerMap.put("Content-Type", "application/x-www-form-urlencoded; charset=" + encoding);
return get(url, paramsMap, headerMap, encoding, url != null && url.startsWith("https:") ? "https" : "http");
}
/**
- HTTPSPOST
- @param url
- @param paramsMap
- @param encoding
- @return
*/
public final static String httpPost(String url, Map<String, String> paramsMap, String encoding) {
Map<String, String> headerMap = new HashMap<String, String>();
headerMap.put("Content-Type", "application/x-www-form-urlencoded; charset=" + encoding);
// 組裝參數
List<BasicNameValuePair> params = parseMap2BasicForm(paramsMap);
UrlEncodedFormEntity entity = null;
try {
entity = new UrlEncodedFormEntity(params, encoding);
} catch (UnsupportedEncodingException e) {
logger.error("httpPost fail" + e.getMessage(), e);
}
return post(url, headerMap, entity, encoding, url != null && url.startsWith("https:") ? "https" : "http");
}
/**
- HTTPSPOST
- @param url
- @param paramsMap
- @param headerMap
- @param encoding
- @return
*/
public final static String httpPost(String url, Map<String, String> paramsMap,Map<String, String> headerMap, String encoding) {
headerMap.put("Content-Type", "application/x-www-form-urlencoded; charset=" + encoding);
// 組裝參數
List<BasicNameValuePair> params = parseMap2BasicForm(paramsMap);
UrlEncodedFormEntity entity = null;
try {
entity = new UrlEncodedFormEntity(params, encoding);
} catch (UnsupportedEncodingException e) {
logger.error("httpPost fail" + e.getMessage(), e);
}
return post(url, headerMap, entity, encoding, url != null && url.startsWith("https:") ? "https" : "http");
}
/**
- HTTPSPOST
- @param url
- @param paramsMap
- @param encoding
- @return
*/
public final static String httpsPost(String url, Map<String, String> paramsMap, String encoding) {
return httpPost(url, paramsMap, encoding);
}
/**
- HTTPSPOST JSON 改為根據URL的前面幾個字母（協議），來進行http或https調用。
- @param url
- @param paramJson
- @param headerMap
- @param encoding
- @return
*/
public final static String httpsPostJson(String url, String paramJson,Map<String, String> headerMap, String encoding) {
headerMap.put("Content-Type", "application/json; charset=" + encoding);
// 組裝參數
StringEntity entity = null;
try {
logger.debug("send post data:" + paramJson);
entity = new StringEntity(paramJson, encoding);
entity.setContentType("application/x-www-form-urlencoded");
} catch (Exception e) {
logger.error("組裝參數失敗" + e.getMessage(), e);
}
return post(url, headerMap, entity, encoding, url != null && url.startsWith("https:") ? "https" : "http");
}
/**
- HTTPSPOST JSON 改為根據URL的前面幾個字母（協議），來進行http或https調用。
*
- @param url
- @param paramJson
- @param headerMap
- @param encoding
- @return
*/
public final static HttpResponse nativeHttpsPostJson(String url, String paramJson,Map<String, String> headerMap, String encoding) {
headerMap.put("Content-Type", "application/json; charset=" + encoding);
// 組裝參數
StringEntity entity = null;
try {
logger.debug("send post data:" + paramJson);
entity = new StringEntity(paramJson, encoding);
} catch (Exception e) {
logger.error("組裝參數失敗" + e.getMessage(), e);
}
return nativePost(url, headerMap, entity, encoding, url != null && url.startsWith("https:") ? "https" : "http");
}
/**
- HTTPSPOST JSON 改為根據URL的前面幾個字母（協議），來進行http或https調用。
- @param url
- @param paramJson
- @param encoding
- @return
*/
public final static String httpsPostJson(String url, String paramJson, String encoding) {
Map<String, String> headerMap = new HashMap<String, String>();
headerMap.put("Content-Type", "application/json; charset=" + encoding);
// 組裝參數
StringEntity entity = null;
try {
logger.debug("send post data:" + paramJson);
entity = new StringEntity(paramJson, encoding);
} catch (Exception e) {
logger.error("組裝參數失敗" + e.getMessage(), e);
}
return post(url, headerMap, entity, encoding, url != null && url.startsWith("https:") ? "https" : "http");
}
/**
- HTTPSPOST JSON 改為根據URL的前面幾個字母（協議），來進行http或https調用。
- @param url
- @param encoding
- @return
*/
public final static String httpsPostJson(String url, String encoding) {
Map<String, String> headerMap = new HashMap<String, String>();
headerMap.put("Content-Type", "application/json; charset=" + encoding);
return post(url, headerMap, null, encoding, url != null && url.startsWith("https:") ? "https" : "http");
}
/**
- HTTPSDELETE 改為根據URL的前面幾個字母（協議），來進行http或https調用。
- @param url
- @param encoding
- @return
*/
public final static HttpResponse httpsDelete(String url, String encoding) {
Map<String, String> headerMap = new HashMap<String, String>();
headerMap.put("Content-Type", "application/json; charset=" + encoding);
return delete(url, headerMap, encoding, url != null && url.startsWith("https:") ? "https" : "http");
}
/**
- HTTP POST XML
- @param url
- @param requestXML
- @param encoding
- @param soapAction
- @return
- @throws Exception
*/
public final static String httpPostXml(String url, String requestXML, String encoding, String soapAction)
throws Exception {
Map<String, String> headerMap = new HashMap<String, String>();
headerMap.put("Content-Type", "text/xml; charset=" + encoding);
headerMap.put("Accept", "application/soap+xml, application/dime, multipart/related, text/*");
// headerMap.put("User-Agent","Axis/1.4");
// headerMap.put("Cache-Control","no-cache");
// headerMap.put("Pragma","no-cache");
// headerMap.put("SOAPAction",soapAction);
// headerMap.put("Content-Length",requestXML.getBytes().length + "");
// 組裝參數
StringEntity entity = null;
try {
entity = new StringEntity(requestXML, encoding);
} catch (Exception e) {
logger.error("httpPostXml error : ", e);
}
return post(url, headerMap, entity, encoding, url != null && url.startsWith("https:") ? "https" : "http");
}
/**
- GET
- @param url
- @param paramsMap
- @param headerMap
- @param encoding
- @param type http or https
- @return
*/
@SuppressWarnings("deprecation")
private final static String get(String url, Map<String, String> paramsMap, Map<String, String> headerMap,
String encoding, String type) throws Exception{
String result = "";
// 組裝參數
String paramStr = "";
Set<Entry<String, String>> paramEntries = paramsMap.entrySet();
for (Entry<String, String> entry : paramEntries) {
Object key = entry.getKey();
Object val = entry.getValue();
paramStr += paramStr = "&" + key + "=" + val;
}
if (!"".equals(paramStr)) {
paramStr = paramStr.replaceFirst("&", "?");
url += paramStr;
}
// 創建一個httpGet請求
HttpGet request = new HttpGet(url);
// 組裝header參數
Set<Entry<String, String>> headerEntries = headerMap.entrySet();
for (Entry<String, String> entry : headerEntries) {
request.setHeader(String.valueOf(entry.getKey()), String.valueOf(entry.getValue()));
}
try {
// 創建一個htt客戶端
HttpClient httpClient = "https".equals(type) ? getHttpsClient() : new DefaultHttpClient();
RequestConfig requestConfig =
RequestConfig.custom().setSocketTimeout(110001).setConnectTimeout(110001).build();
request.setConfig(requestConfig);
logger.debug("execute http get request,url:"+url);
// 接受客戶端發回的響應
HttpResponse httpResponse = httpClient.execute(request);
int statusCode = httpResponse.getStatusLine().getStatusCode();
if (statusCode == HttpStatus.SC_OK) {
logger.debug("接口:"+url+" 返回數據:"+result);
// 得到客戶段響應的實體內容
result = EntityUtils.toString(httpResponse.getEntity(), encoding);
} else {
logger.error("URL:" + url + "\tStatusCode:" + statusCode);
}
} catch (Exception e) {
logger.error(e.getMessage(), e);
throw e;
}
return result;
}
/**
- delete
- @param url
- @param headerMap
- @param encoding
- @param type
- @return
*/
private final static HttpResponse delete(String url, Map<String, String> headerMap, String encoding, String type) {
String result = "";
HttpResponse httpResponse = null;
// 創建一個httpGet請求
HttpDelete request = null;
// 創建一個htt客戶端
HttpClient httpClient = null;
try {
// 創建一個HttpDelete請求
request = new HttpDelete(url);
// 組裝header參數
Set<Entry<String, String>> headerEntries = headerMap.entrySet();
for (Entry<String, String> entry : headerEntries) {
request.setHeader(String.valueOf(entry.getKey()), String.valueOf(entry.getValue()));
}
logger.debug("Post Data to [" + url + "] ");
// 創建一個htt客戶端
httpClient = "https".equals(type) ? getHttpsClient() : new DefaultHttpClient();
RequestConfig requestConfig =
RequestConfig.custom().setSocketTimeout(6010001).setConnectTimeout(6010001).build();
request.setConfig(requestConfig);
// 接受客戶端發回的響應
httpResponse = httpClient.execute(request);
// 接受客戶端發回的響應
int statusCode = httpResponse.getStatusLine().getStatusCode();
if (statusCode == HttpStatus.SC_OK) {
// 得到客戶段響應的實體內容
result = EntityUtils.toString(httpResponse.getEntity(), encoding);
}
} catch (Exception e) {
request.abort();
String errordebug = String.format("httpclient delete failed:\nUrl=%s\nError=%s", url,
e.toString());
logger.error(errordebug, e);
} finally {
// -------- 2016-1-19 是否鏈接 start
// 判斷request是否等于null
if (request != null) {
try {
// 釋放鏈接
request.releaseConnection();
logger.debug("close request");
} catch (Exception e) {
logger.error("close request fail", e);
}
}
// 判斷httpclient是否為null
if (httpClient != null) {
try {
// 關閉鏈接
httpClient.getConnectionManager().shutdown();
logger.debug("close httpClient");
} catch (Exception e) {
logger.error("close httpClient fail", e);
}
}
// -------- 2016-1-19 是否鏈接 start
}
return httpResponse;
}
/**
- POST
- @param url
- @param headerMap
- @param requestEntity
- @param encoding
- @param type
- @return
*/
private final static String post(String url, Map<String, String> headerMap, HttpEntity requestEntity,
String encoding, String type) {
// String result = "";
HttpResponse httpResponse = null;
// 創建一個httpGet請求
HttpPost request = null;
// 創建一個htt客戶端
HttpClient httpClient = null;
String result="";
try {
// 創建一個httpGet請求
request = new HttpPost(url);
// 組裝header參數
Set<Entry<String, String>> headerEntries = headerMap.entrySet();
for (Entry<String, String> entry : headerEntries) {
request.setHeader(String.valueOf(entry.getKey()), String.valueOf(entry.getValue()));
}
// 設置參數
request.setEntity(requestEntity);
logger.debug("Post Data to [" + url + "] ");
// 創建一個htt客戶端
httpClient = "https".equals(type) ? getHttpsClient() : new DefaultHttpClient();
RequestConfig requestConfig =
RequestConfig.custom().setSocketTimeout(1601000).setConnectTimeout(1601000).build();
request.setConfig(requestConfig);
// 接受客戶端發回的響應
httpResponse = httpClient.execute(request);
// 接受客戶端發回的響應
int statusCode = httpResponse.getStatusLine().getStatusCode();
if (statusCode == HttpStatus.SC_OK) {
// 得到客戶段響應的實體內容
result = EntityUtils.toString(httpResponse.getEntity(), encoding);
logger.debug("接口:"+url+" 返回數據:"+result);
}else {
logger.error("http post URL:" + url + "\tStatusCode:" + statusCode);
}
} catch (Exception e) {
request.abort();
String errordebug = String.format("httpclient post failed:\nUrl=%s\nError=%s", url, e.toString());
logger.error(errordebug, e);
throw new RuntimeException(e);
} finally {
// -------- 2016-1-19 是否鏈接 start
// 判斷request是否等于null
if (request != null) {
try {
// 釋放鏈接
request.releaseConnection();
logger.debug("close request");
} catch (Exception e) {
logger.error("close request fail", e);
}
}
// 判斷httpclient是否為null
if (httpClient != null) {
try {
// 關閉鏈接
httpClient.getConnectionManager().shutdown();
logger.debug("close httpClient");
} catch (Exception e) {
logger.error("close httpClient fail", e);
}
}
// -------- 2016-1-19 是否鏈接 start
}
return result;
}
/**
*
- @param url
- @param headerMap
- @param requestEntity
- @param encoding
- @param type
- @return
*/
private final static HttpResponse nativePost(String url, Map<String, String> headerMap, HttpEntity requestEntity,
String encoding, String type) {
// String result = "";
HttpResponse httpResponse = null;
// 創建一個httpGet請求
HttpPost request = null;
// 創建一個htt客戶端
HttpClient httpClient = null;
String result="";
try {
// 創建一個httpGet請求
request = new HttpPost(url);
// 組裝header參數
Set<Entry<String, String>> headerEntries = headerMap.entrySet();
for (Entry<String, String> entry : headerEntries) {
request.setHeader(String.valueOf(entry.getKey()), String.valueOf(entry.getValue()));
}
// 設置參數
request.setEntity(requestEntity);
logger.debug("Post Data to [" + url + "] ");
// 創建一個htt客戶端
httpClient = "https".equals(type) ? getHttpsClient() : new DefaultHttpClient();
RequestConfig requestConfig =
RequestConfig.custom().setSocketTimeout(1601000).setConnectTimeout(1601000).build();
request.setConfig(requestConfig);
// 接受客戶端發回的響應
httpResponse = httpClient.execute(request);
result = EntityUtils.toString(httpResponse.getEntity(), encoding);
logger.debug("接口:"+url+" 返回數據:"+result);
} catch (Exception e) {
request.abort();
String errordebug = String.format("httpclient post failed:\nUrl=%s\nError=%s", url, e.toString());
logger.error(errordebug, e);
throw new RuntimeException(e);
} finally {
// -------- 2016-1-19 是否鏈接 start
// 判斷request是否等于null
if (request != null) {
try {
// 釋放鏈接
request.releaseConnection();
logger.debug("close request");
} catch (Exception e) {
logger.error("close request fail", e);
}
}
// 判斷httpclient是否為null
if (httpClient != null) {
try {
// 關閉鏈接
httpClient.getConnectionManager().shutdown();
logger.debug("close httpClient");
} catch (Exception e) {
logger.error("close httpClient fail", e);
}
}
// -------- 2016-1-19 是否鏈接 start
}
return httpResponse;
}
/**
- 封裝MAP格式的參數到BasicNameValuePair中
- @param paramsMap
- @return
*/
private static final List<BasicNameValuePair> parseMap2BasicForm(Map<String, String> paramsMap) {
List<BasicNameValuePair> params = new ArrayList<BasicNameValuePair>();;
if (paramsMap != null && paramsMap.size() > 0) {
Iterator<String> it = paramsMap.keySet().iterator();
String keyTmp = null;
while (it.hasNext()) {
keyTmp = it.next();
params.add(new BasicNameValuePair(keyTmp, paramsMap.get(keyTmp)));
}
}
return params;
}
/**
- 取已配置的HttpsClient
- @return
- @throws NoSuchAlgorithmException
- @throws KeyManagementException
*/
private final static DefaultHttpClient getHttpsClient() throws NoSuchAlgorithmException, KeyManagementException {
// 創建默認的httpClient實例
DefaultHttpClient httpClient = new DefaultHttpClient();
X509TrustManager xtm = new X509TrustManager() { // 創建TrustManager
@Override
public void checkClientTrusted(X509Certificate[] chain, String authType)
throws CertificateException {}
@Override
public void checkServerTrusted(X509Certificate[] chain, String authType)
throws CertificateException {}
@Override
public X509Certificate[] getAcceptedIssuers() {
return null;
}
};
X509HostnameVerifier hostnameVerifier = new X509HostnameVerifier() {
@Override
public boolean verify(String hostname, SSLSession session) {
return false;
}
@Override
public void verify(String arg0, SSLSocket arg1) throws IOException {}
@Override
public void verify(String arg0, X509Certificate arg1) throws SSLException {}
@Override
public void verify(String arg0, String[] arg1, String[] arg2) throws SSLException {}
};
SSLContext ctx;
try {
// ctx = SSLContext.getInstance("SSL", "SunJSSE");
ctx = SSLContext.getInstance("TLS");
// 使用TrustManager來初始化該上下文，TrustManager只是被SSL的Socket所使用
ctx.init(null, new TrustManager[] {xtm}, new java.security.SecureRandom());
// 創建SSLSocketFactory
SSLSocketFactory socketFactory = new SSLSocketFactory(ctx, hostnameVerifier);
// 通過SchemeRegistry將SSLSocketFactory注冊到我們的HttpClient上
httpClient.getConnectionManager().getSchemeRegistry().register(new Scheme("https", 443, socketFactory));
} catch (Exception e) {
}
return httpClient;
}
/**
- http get string from remote machine
- @param url
- @return
- @throws IOException
- @throws ClientProtocolException
*/
public static String getNetString(String url) throws IOException, ClientProtocolException {
String result = "";
HttpClient httpclient = new DefaultHttpClient();
HttpGet get = new HttpGet(url);
HttpResponse httpResponse = httpclient.execute(get);
int statusCode = httpResponse.getStatusLine().getStatusCode();
if (statusCode == HttpStatus.SC_OK) {
// 得到客戶段響應的實體內容
result = EntityUtils.toString(httpResponse.getEntity(), "utf-8");
}
get.abort();
return result;
}
// 調用osb
public static String invokeOsbInteface(String url, Map<String, Object> paramMap) throws Exception {
try {
HttpClient httpclient = new DefaultHttpClient();
HttpPost p = new HttpPost(url);
//p.addHeader("appid", paramMap.get("appid").toString());
// p.addHeader("appkey", paramMap.get("appkey").toString());
// paramMap.remove("appid");
// paramMap.remove("appkey");
List<NameValuePair> params = new ArrayList<NameValuePair>();
Iterator<String> iter = paramMap.keySet().iterator();
while (iter.hasNext()) {
String key = iter.next();
params.add(new BasicNameValuePair(key, (String) paramMap.get(key)));
}
UrlEncodedFormEntity entity2 = new UrlEncodedFormEntity(params, "UTF-8");
p.setEntity(entity2);
RequestConfig requestConfig =
RequestConfig.custom().setSocketTimeout(OSB_TIME_OUT)
.setConnectTimeout(OSB_TIME_OUT).build();
p.setConfig(requestConfig);
HttpResponse response = httpclient.execute(p);
HttpEntity entity = response.getEntity();
if (entity != null) {
String result = EntityUtils.toString(response.getEntity(), "utf-8");
return result;
}
} catch (Exception e) {
logger.error(":失敗" + e.getMessage(), e);
throw e;
}
return null;
}
public static String getParame(HttpServletRequest request) throws Exception {
StringBuffer sb = new StringBuffer() ;
InputStream is = request.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(is,"utf-8"));
String s = "" ;
while((s=br.readLine())!=null){
sb.append(s) ;
}
return sb.toString();
}
}

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