httpClinent工具类
package com.juchn.gateway.common.utils; import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.security.KeyManagementException;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry; import javax.net.ssl.SSLContext; import org.apache.commons.lang3.StringUtils;
import org.apache.http.HttpEntity;
import org.apache.http.HttpHost;
import org.apache.http.NameValuePair;
import org.apache.http.ParseException;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.client.utils.URLEncodedUtils;
import org.apache.http.conn.ssl.NoopHostnameVerifier;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.ssl.SSLContextBuilder;
import org.apache.http.ssl.TrustStrategy;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory; /**
* 新版httpClient的工具方法
*
* @author tangzl
* @since 2019年04月11日
*/
public class HttpClientUtil { static Logger log = LoggerFactory.getLogger(HttpClientUtil.class);
protected static final String CHARSET = "UTF-8";
protected static final String CHARSET_GBK = "UTF-8";
/** 默认超时时间 */
private final static int default_timeout = 10000; private static PoolingHttpClientConnectionManager cm = null; private static CloseableHttpClient httpclient = null;
static { // 多连接的线程安全的管理器
cm = new PoolingHttpClientConnectionManager();
cm.setDefaultMaxPerRoute(100); // 每个主机的最大并行链接数
cm.setMaxTotal(200); // 客户端总并行链接最大数 httpclient = HttpClients.custom().setConnectionManager(cm).build();
} /**
* 发送 get请求
*
* @param url
* @param timeout 超时时间
* @param ignoreHttps 是否忽略https证书检查
* @return
*/
public static String get(String url, Map<String, String> params, Integer timeout, boolean ignoreHttps,
HttpHost proxy) {
CloseableHttpClient client = null;
if (ignoreHttps) {
client = getIgnoreHttpsClient();
} else {
client = httpclient;
}
try {
HttpGet httpGet = null;
if (params == null)
httpGet = new HttpGet(url);
else {
List<NameValuePair> qparams = new ArrayList<NameValuePair>();
for (Entry<String, String> entry : params.entrySet()) {
qparams.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
}
String queryParams = URLEncodedUtils.format(qparams, "UTF-8");
if (url.indexOf("?") != -1) {
url += "&" + queryParams;
} else {
url += "?" + queryParams;
}
httpGet = new HttpGet(url);
}
timeout = timeout != null ? timeout : default_timeout;
RequestConfig.Builder builder = RequestConfig.custom();// 设置请求和传输超时时间
if (null != proxy) {
builder.setProxy(proxy);
}
RequestConfig requestConfig = builder.setSocketTimeout(timeout).setConnectTimeout(timeout).build();// 设置请求和传输超时时间
httpGet.setConfig(requestConfig); CloseableHttpResponse response = client.execute(httpGet);
HttpEntity entity = response.getEntity();
try {
if (entity != null)
return EntityUtils.toString(entity);
} finally {
if (entity != null)
EntityUtils.consume(entity);
response.close();
}
} catch (ParseException e) {
log.error("发送HTTP请求时出现异常：" + e);
e.printStackTrace(System.out);
} catch (IOException e) {
log.error("发送HTTP请求时出现异常：" + e);
e.printStackTrace(System.out);
} catch (Exception e) {
log.error("发送HTTP请求时出现异常：" + e);
e.printStackTrace(System.out);
} finally {
/*
* try { httpclient.close(); } catch (IOException e) {
* log.error("关闭HTTP连接时出现异常：" + e); }
*/
}
return null;
} /**
* 发送 get请求
*
* @param url
* @param timeout 超时时间
* @param ignoreHttps 是否忽略https证书检查
* @return
*/
public static String get(String url, Map<String, String> params, Map<String, Object> headers, Integer timeout,
boolean ignoreHttps) {
CloseableHttpClient client = null;
if (ignoreHttps) {
client = getIgnoreHttpsClient();
} else {
client = httpclient;
}
try {
HttpGet httpGet = null;
if (params != null && params.size() > 0) {
List<NameValuePair> qparams = new ArrayList<NameValuePair>();
for (Entry<String, String> entry : params.entrySet()) {
qparams.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
}
String queryParams = URLEncodedUtils.format(qparams, "UTF-8");
if (url.indexOf("?") != -1) {
url += "&" + queryParams;
} else {
url += "?" + queryParams;
} }
httpGet = new HttpGet(url);
httpGet.setHeader("Content-type", "application/json;charset=UTF-8");
if (headers != null && headers.size() > 0) {
for (Iterator<String> iter = headers.keySet().iterator(); iter.hasNext();) {
String key = iter.next();
httpGet.setHeader(key, headers.get(key).toString());
}
} timeout = timeout != null ? timeout : default_timeout;
RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(timeout).setConnectTimeout(timeout)
.build();// 设置请求和传输超时时间
httpGet.setConfig(requestConfig); CloseableHttpResponse response = client.execute(httpGet);
HttpEntity entity = response.getEntity();
try {
if (entity != null)
return EntityUtils.toString(entity);
} finally {
if (entity != null)
EntityUtils.consume(entity);
response.close();
}
} catch (ParseException e) {
log.error("发送HTTP请求时出现异常：" + e);
e.printStackTrace(System.out);
} catch (IOException e) {
log.error("发送HTTP请求时出现异常：" + e);
e.printStackTrace(System.out);
} catch (Exception e) {
log.error("发送HTTP请求时出现异常：" + e);
e.printStackTrace(System.out);
} finally {
/*
* try { httpclient.close(); } catch (IOException e) {
* log.error("关闭HTTP连接时出现异常：" + e); }
*/
}
return null;
} /**
* 发送 get请求
*
* @param url
* @param timeout 超时时间
* @param ignoreHttps 是否忽略https证书检查
* @return
*/
public static String get(String url, Map<String, String> params, Integer timeout, boolean ignoreHttps) {
CloseableHttpClient client = null;
if (ignoreHttps) {
client = getIgnoreHttpsClient();
} else {
client = httpclient;
}
try {
HttpGet httpGet = null;
if (params == null)
httpGet = new HttpGet(url);
else {
List<NameValuePair> qparams = new ArrayList<NameValuePair>();
for (Entry<String, String> entry : params.entrySet()) {
qparams.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
}
String queryParams = URLEncodedUtils.format(qparams, "UTF-8");
if (url.indexOf("?") != -1) {
url += "&" + queryParams;
} else {
url += "?" + queryParams;
}
httpGet = new HttpGet(url);
}
timeout = timeout != null ? timeout : default_timeout;
RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(timeout).setConnectTimeout(timeout)
.build();// 设置请求和传输超时时间
httpGet.setConfig(requestConfig); CloseableHttpResponse response = client.execute(httpGet);
HttpEntity entity = response.getEntity();
try {
if (entity != null)
return EntityUtils.toString(entity);
} finally {
if (entity != null)
EntityUtils.consume(entity);
response.close();
}
} catch (ParseException e) {
log.error("发送HTTP请求时出现异常：" + e);
e.printStackTrace(System.out);
} catch (IOException e) {
log.error("发送HTTP请求时出现异常：" + e);
e.printStackTrace(System.out);
} catch (Exception e) {
log.error("发送HTTP请求时出现异常：" + e);
e.printStackTrace(System.out);
} finally {
/*
* try { httpclient.close(); } catch (IOException e) {
* log.error("关闭HTTP连接时出现异常：" + e); }
*/
}
return null;
} /**
* 发送get请求
*
* @param url
* @param timeout 超时时间(毫秒)
* @return
*/
public static String get(String url, Map<String, String> params, Integer timeout) {
return get(url, params, timeout, false);
} /**
* 发送get请求
*
* @param url
* @param timeout 超时时间(毫秒)
* @return
*/
public static String get(String url, Map<String, String> params, Map<String, Object> headers) {
return get(url, params, headers, null, false);
} /**
* 发送 get请求
*
* @param url
* @param timeout 超时时间
* @param ignoreHttps 是否忽略https证书检查
* @return
*/
public static String get(String url, Integer timeout, boolean ignoreHttps) {
return get(url, null, timeout, ignoreHttps);
} /**
* 获取忽略https证书的client
*
* @return
*/
public static CloseableHttpClient getIgnoreHttpsClient() {
SSLContext sslContext = null;
try {
sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {
public boolean isTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {
return true;
}
}).build();
} catch (KeyManagementException e) {
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (KeyStoreException e) {
e.printStackTrace();
} return HttpClients.custom().setSslcontext(sslContext).setSSLHostnameVerifier(new NoopHostnameVerifier())
.build();
} /**
* 发送 post请求
*
* @param url
* @param timeout 超时时间(毫秒)
* @param params 请求参数
* @return
*/
public static String post(String url, Map<String, String> params, Integer timeout) { CloseableHttpClient httpclient = HttpClients.custom().setConnectionManager(cm).build();
try { HttpPost httpPost = new HttpPost(url);
if (params != null) {
List<NameValuePair> qparams = new ArrayList<NameValuePair>();
for (Entry<String, String> entry : params.entrySet()) {
qparams.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
}
httpPost.setEntity(new UrlEncodedFormEntity(qparams, "UTF-8"));
}
timeout = timeout != null ? timeout : default_timeout;
RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(timeout).setConnectTimeout(timeout)
.build();// 设置请求和传输超时时间
httpPost.setConfig(requestConfig); CloseableHttpResponse response = httpclient.execute(httpPost);
HttpEntity entity = response.getEntity();
try {
if (entity != null) {
StringBuilder sb = new StringBuilder();
String line = null;
InputStream inputStream = entity.getContent();
try {
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
while ((line = bufferedReader.readLine()) != null) {
sb.append(line);
}
} finally {
inputStream.close();
}
return sb.toString();
}
} finally {
response.close();
} /*
* try { if (entity != null) return EntityUtils.toString(entity); } finally { if
* (entity != null) EntityUtils.consume(entity); response.close(); }
*/
} catch (ParseException e) {
log.error("发送HTTP请求时出现异常：" + e);
e.printStackTrace(System.out);
} catch (IOException e) {
log.error("发送HTTP请求时出现异常：" + e);
e.printStackTrace(System.out);
} catch (Exception e) {
log.error("发送HTTP请求时出现异常：" + e);
e.printStackTrace(System.out);
} finally {
/*
* try { httpclient.close(); } catch (IOException e) {
* log.error("关闭HTTP连接时出现异常：" + e); }
*/
}
return null;
} /**
* 发送 post请求 带请求头
*
* @param url
* @param params
* @param headers
* @param timeout
* @return
*/
public static String post(String url, Map<String, String> params, Map<String, String> headers, Integer timeout) { CloseableHttpClient httpclient = HttpClients.custom().setConnectionManager(cm).build();
try {
HttpPost httpPost = new HttpPost(url); if (params != null) {
List<NameValuePair> qparams = new ArrayList<NameValuePair>();
for (Entry<String, String> entry : params.entrySet()) {
qparams.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
}
httpPost.setEntity(new UrlEncodedFormEntity(qparams, CHARSET));
}
if (headers != null && headers.size() > 0) {
for (Iterator<String> iter = headers.keySet().iterator(); iter.hasNext();) {
String key = iter.next();
httpPost.setHeader(key, headers.get(key));
}
}
timeout = timeout != null ? timeout : default_timeout;
RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(timeout).setConnectTimeout(timeout)
.build();// 设置请求和传输超时时间
httpPost.setConfig(requestConfig); CloseableHttpResponse response = httpclient.execute(httpPost);
HttpEntity entity = response.getEntity(); // 方法一：
try {
if (entity != null) {
StringBuilder sb = new StringBuilder();
String line = null;
InputStream inputStream = entity.getContent();
try {
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
while ((line = bufferedReader.readLine()) != null) {
sb.append(line);
}
} finally {
inputStream.close();
}
return sb.toString();
}
} finally {
response.close();
} // 方法二：
/*
* try { if (entity != null) return EntityUtils.toString(entity); } finally { if
* (entity != null) EntityUtils.consume(entity); response.close(); }
*/
} catch (ParseException e) {
log.error("发送HTTP请求时出现异常：" + e);
e.printStackTrace(System.out);
} catch (IOException e) {
log.error("发送HTTP请求时出现异常：" + e);
e.printStackTrace(System.out);
} catch (Exception e) {
log.error("发送HTTP请求时出现异常：" + e);
e.printStackTrace(System.out);
} finally {
/*
* try { httpclient.close(); } catch (IOException e) {
* log.error("关闭HTTP连接时出现异常：" + e); }
*/
}
return null;
} /**
* post body
*
* @param url
* @param params 请求body内容
* @return
*/
public static String postBody(String url, String params, Map<String, String> headers, Integer timeout) { CloseableHttpClient httpclient = HttpClients.custom().setConnectionManager(cm).build();
try { HttpPost httpPost = new HttpPost(url);
if (!StringUtils.isEmpty(params)) {
httpPost.setEntity(new StringEntity(params, "UTF-8"));
}
if (headers != null && headers.size() > 0) {
for (Iterator<String> iter = headers.keySet().iterator(); iter.hasNext();) {
String key = iter.next();
httpPost.setHeader(key, headers.get(key));
}
}
timeout = timeout != null ? timeout : default_timeout;
RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(timeout).setConnectTimeout(timeout)
.build();// 设置请求和传输超时时间
httpPost.setConfig(requestConfig); CloseableHttpResponse response = httpclient.execute(httpPost);
HttpEntity entity = response.getEntity();
// 方法一：
try {
if (entity != null) {
StringBuilder sb = new StringBuilder();
String line = null;
InputStream inputStream = entity.getContent();
try {
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
while ((line = bufferedReader.readLine()) != null) {
sb.append(line);
}
} finally {
inputStream.close();
}
return sb.toString();
}
} finally {
response.close();
}
// 方法二：
/*
* try { if (entity != null) return EntityUtils.toString(entity); } finally { if
* (entity != null) EntityUtils.consume(entity); response.close(); }
*/
} catch (ParseException e) {
log.error("发送HTTP请求时出现异常：" + e);
e.printStackTrace(System.out);
} catch (IOException e) {
log.error("发送HTTP请求时出现异常：" + e);
e.printStackTrace(System.out);
} catch (Exception e) {
log.error("发送HTTP请求时出现异常：" + e);
e.printStackTrace(System.out);
} finally {
}
return null;
} public static String postBodyJson(String url, String params, Map<String, String> headers, Integer timeout) { CloseableHttpClient httpclient = HttpClients.custom().setConnectionManager(cm).build();
try { HttpPost httpPost = new HttpPost(url);
httpPost.setHeader("Content-type", "application/json;charset=UTF-8");
if (!StringUtils.isEmpty(params)) {
httpPost.setEntity(new StringEntity(params, "UTF-8"));
}
if (headers != null && headers.size() > 0) {
for (Iterator<String> iter = headers.keySet().iterator(); iter.hasNext();) {
String key = iter.next();
httpPost.setHeader(key, headers.get(key));
}
}
timeout = timeout != null ? timeout : default_timeout;
RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(timeout).setConnectTimeout(timeout)
.build();// 设置请求和传输超时时间
httpPost.setConfig(requestConfig); CloseableHttpResponse response = httpclient.execute(httpPost);
HttpEntity entity = response.getEntity();
// 方法一：
try {
if (entity != null) {
StringBuilder sb = new StringBuilder();
String line = null;
InputStream inputStream = entity.getContent();
try {
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
while ((line = bufferedReader.readLine()) != null) {
sb.append(line);
}
} finally {
inputStream.close();
}
return sb.toString();
}
} finally {
response.close();
}
// 方法二：
/*
* try { if (entity != null) return EntityUtils.toString(entity); } finally { if
* (entity != null) EntityUtils.consume(entity); response.close(); }
*/
} catch (ParseException e) {
log.error("发送HTTP请求时出现异常：" + e);
e.printStackTrace(System.out);
} catch (IOException e) {
log.error("发送HTTP请求时出现异常：" + e);
e.printStackTrace(System.out);
} catch (Exception e) {
log.error("发送HTTP请求时出现异常：" + e);
e.printStackTrace(System.out);
} finally {
}
return null;
} public static String putBodyJson(String url, String params, Map<String, String> headers, Integer timeout) { CloseableHttpClient httpclient = HttpClients.custom().setConnectionManager(cm).build();
try { HttpPut httpPost = new HttpPut(url);
httpPost.setHeader("Content-type", "application/json;charset=UTF-8");
if (!StringUtils.isEmpty(params)) {
httpPost.setEntity(new StringEntity(params, "UTF-8"));
}
if (headers != null && headers.size() > 0) {
for (Iterator<String> iter = headers.keySet().iterator(); iter.hasNext();) {
String key = iter.next();
httpPost.setHeader(key, headers.get(key));
}
}
timeout = timeout != null ? timeout : default_timeout;
RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(timeout).setConnectTimeout(timeout)
.build();// 设置请求和传输超时时间
httpPost.setConfig(requestConfig); CloseableHttpResponse response = httpclient.execute(httpPost);
HttpEntity entity = response.getEntity();
// 方法一：
try {
if (entity != null) {
StringBuilder sb = new StringBuilder();
String line = null;
InputStream inputStream = entity.getContent();
try {
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
while ((line = bufferedReader.readLine()) != null) {
sb.append(line);
}
} finally {
inputStream.close();
}
return sb.toString();
}
} finally {
response.close();
}
// 方法二：
/*
* try { if (entity != null) return EntityUtils.toString(entity); } finally { if
* (entity != null) EntityUtils.consume(entity); response.close(); }
*/
} catch (ParseException e) {
log.error("发送HTTP请求时出现异常：" + e);
e.printStackTrace(System.out);
} catch (IOException e) {
log.error("发送HTTP请求时出现异常：" + e);
e.printStackTrace(System.out);
} catch (Exception e) {
log.error("发送HTTP请求时出现异常：" + e);
e.printStackTrace(System.out);
} finally {
}
return null;
}
}
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