HttpUtils.java
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package com.ruoyi.utils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.io.IOUtils;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
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.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.TrustStrategy;
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.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import java.io.IOException;
import java.io.InputStream;
import java.security.GeneralSecurityException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.*;
@Slf4j
public class HttpUtils {
private static PoolingHttpClientConnectionManager connMgr;
private static RequestConfig requestConfig;
private static final int MAX_TIMEOUT = 10000;
private static final Logger logger = LoggerFactory.getLogger(HttpUtils.class);
static {
// 设置连接池
connMgr = new PoolingHttpClientConnectionManager();
// 设置连接池大小
connMgr.setMaxTotal(20);
connMgr.setDefaultMaxPerRoute(connMgr.getMaxTotal());
// Validate connections after 1 sec of inactivity
connMgr.setValidateAfterInactivity(5000);
RequestConfig.Builder configBuilder = RequestConfig.custom();
// 设置连接超时
configBuilder.setConnectTimeout(MAX_TIMEOUT);
// 设置读取超时
configBuilder.setSocketTimeout(MAX_TIMEOUT);
// 设置从连接池获取连接实例的超时
configBuilder.setConnectionRequestTimeout(MAX_TIMEOUT);
requestConfig = configBuilder.build();
}
/**
* 发送 GET 请求（HTTP），不带输入数据
*
* @param url
* @return
*/
public static String doGet(String url) {
return doGet(url, new HashMap<String, Object>(), new HashMap<>());
}
/**
* 发送 GET 请求（HTTP），K-V形式
*
* @param url
* @param params
* @return
*/
public static String doGet(String url, Map<String, Object> params, Map<String, String> headers) {
String apiUrl = url;
StringBuffer param = new StringBuffer();
int i = 0;
for (String key : params.keySet()) {
if (i == 0)
param.append("?");
else
param.append("&");
param.append(key).append("=").append(params.get(key));
i++;
}
apiUrl += param;
String result = null;
CloseableHttpClient httpClient = null;
if (apiUrl.startsWith("https")) {
httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory())
.setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build();
} else {
httpClient = HttpClients.createDefault();
}
HttpResponse response = null;
try {
log.info("HttpUrl:{}",apiUrl);
HttpGet httpGet = new HttpGet(apiUrl);
httpGet.setConfig(requestConfig);
for (Map.Entry<String, String> header : headers.entrySet()) {
httpGet.addHeader(header.getKey(), header.getValue());
}
response = httpClient.execute(httpGet);
HttpEntity entity = response.getEntity();
if (entity != null) {
InputStream instream = entity.getContent();
result = IOUtils.toString(instream, "UTF-8");
logger.info("Http Result:{}",result);
}
} catch (IOException e) {
logger.error("Http Error:{}",e.getMessage());
try {
if (httpClient != null) {
httpClient.close();
}
if (response != null) {
EntityUtils.consume(response.getEntity());
}
} catch (IOException exception) {
exception.printStackTrace();
}
}
return result;
}
public static InputStream doGet(String url,Map<String, Object> params) {
HashMap<String, String> headers = new HashMap<>();
String apiUrl = url;
StringBuffer param = new StringBuffer();
int i = 0;
for (String key : params.keySet()) {
if (i == 0)
param.append("?");
else
param.append("&");
param.append(key).append("=").append(params.get(key));
i++;
}
apiUrl += param;
InputStream result = null;
CloseableHttpClient httpClient = null;
if (apiUrl.startsWith("https")) {
httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory())
.setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build();
} else {
httpClient = HttpClients.createDefault();
}
HttpResponse response = null;
try {
log.info("HttpUrl:{}",apiUrl);
HttpGet httpGet = new HttpGet(apiUrl);
httpGet.setConfig(requestConfig);
for (Map.Entry<String, String> header : headers.entrySet()) {
httpGet.addHeader(header.getKey(), header.getValue());
}
response = httpClient.execute(httpGet);
HttpEntity entity = response.getEntity();
if (entity != null) {
result = entity.getContent();
logger.info("Http Result:{}",result);
}
} catch (IOException e) {
logger.error("Http Error:{}",e.getMessage());
try {
if (httpClient != null) {
httpClient.close();
}
if (response != null) {
EntityUtils.consume(response.getEntity());
}
} catch (IOException exception) {
exception.printStackTrace();
}
}
return result;
}
/**
* 发送 GET 请求（HTTP），K-V形式--------取消重定向！！！！！！
*
* @param url
* @param params
* @return
*/
public static HttpResponse doGetAndReturnResponse(String url, Map<String, Object> params, Map<String, String> headers) {
String apiUrl = url;
StringBuffer param = new StringBuffer();
int i = 0;
for (String key : params.keySet()) {
if (i == 0)
param.append("?");
else
param.append("&");
param.append(key).append("=").append(params.get(key));
i++;
}
apiUrl += param;
CloseableHttpClient httpClient = null;
if (apiUrl.startsWith("https")) {
httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory())
.setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build();
} else {
httpClient = HttpClients.createDefault();
}
CloseableHttpResponse response = null;
try {
HttpGet httpGet = new HttpGet(apiUrl);
httpGet.setConfig(requestConfig);
//取消强制重定向！！！！！
httpGet.setConfig(RequestConfig.custom().setRedirectsEnabled(false).build());
for (Map.Entry<String, String> header : headers.entrySet()) {
httpGet.addHeader(header.getKey(), header.getValue());
}
response = httpClient.execute(httpGet);
return response;
} catch (IOException e) {
try {
if (httpClient != null) {
httpClient.close();
}
if (response != null) {
EntityUtils.consume(response.getEntity());
}
} catch (IOException exception) {
exception.printStackTrace();
}
}
return null;
}
/**
* 发送 POST 请求（HTTP），不带输入数据
*
* @param apiUrl
* @return
*/
public static String doPost(String apiUrl) {
return doPost(apiUrl, "", new HashMap<>());
}
/**
* 发送 POST 请求，K-V形式
*
* @param apiUrl API接口URL
* @return
*/
public static String doPost(String apiUrl, String paramStr, Map<String, String> headers) {
CloseableHttpClient httpClient = null;
if (apiUrl.startsWith("https")) {
httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory())
.setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build();
} else {
httpClient = HttpClients.createDefault();
}
String httpStr = null;
HttpPost httpPost = new HttpPost(apiUrl);
CloseableHttpResponse response = null;
try {
httpPost.setConfig(requestConfig);
if(CollectionUtils.isNotEmpty(headers.entrySet())){
for (Map.Entry<String, String> header : headers.entrySet()) {
httpPost.addHeader(header.getKey(), header.getValue());
}
}
httpPost.setEntity(new StringEntity(paramStr));
response = httpClient.execute(httpPost);
HttpEntity entity = response.getEntity();
httpStr = EntityUtils.toString(entity, "UTF-8");
} catch (IOException e) {
log.error("Http调用异常：{}",e.getMessage());
e.printStackTrace();
} finally {
try {
if (httpClient != null) {
httpClient.close();
}
if (response != null) {
EntityUtils.consume(response.getEntity());
}
} catch (IOException exception) {
exception.printStackTrace();
}
}
return httpStr;
}
public static HttpResponse doPostAndReturnResponse(String apiUrl, Map<String, String> params, Map<String, String> headers) {
CloseableHttpClient httpClient = null;
if (apiUrl.startsWith("https")) {
httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory())
.setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build();
} else {
httpClient = HttpClients.createDefault();
}
HttpPost httpPost = new HttpPost(apiUrl);
CloseableHttpResponse response = null;
try {
httpPost.setConfig(requestConfig);
for (Map.Entry<String, String> header : headers.entrySet()) {
httpPost.addHeader(header.getKey(), header.getValue());
}
//组织请求参数
List<NameValuePair> paramList = new ArrayList<NameValuePair>();
if (params != null && params.size() > 0) {
Set<String> keySet = params.keySet();
for (String key : keySet) {
paramList.add(new BasicNameValuePair(key, params.get(key)));
}
}
httpPost.setEntity(new UrlEncodedFormEntity(paramList, "UTF-8"));
response = httpClient.execute(httpPost);
return response;
} catch (IOException e) {
log.error("发送Http Post异常：{}", e);
} finally {
try {
if (httpClient != null) {
// httpClient.close();
}
if (response != null) {
EntityUtils.consume(response.getEntity());
}
} catch (IOException exception) {
exception.printStackTrace();
}
}
return null;
}
/**
* 发送 POST 请求，JSON形式，接收端需要支持json形式，否则取不到数据
*
* @param apiUrl
* @param json json对象
* @return
*/
public static String doPost(String apiUrl, String json) {
CloseableHttpClient httpClient = null;
if (apiUrl.startsWith("https")) {
httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory()).setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build();
} else {
httpClient = HttpClients.createDefault();
}
String httpStr = null;
HttpPost httpPost = new HttpPost(apiUrl);
CloseableHttpResponse response = null;
try {
httpPost.setConfig(requestConfig);
StringEntity stringEntity = new StringEntity(json, "UTF-8");// 解决中文乱码问题
stringEntity.setContentEncoding("UTF-8");
stringEntity.setContentType("application/json");
httpPost.setEntity(stringEntity);
response = httpClient.execute(httpPost);
HttpEntity entity = response.getEntity();
httpStr = EntityUtils.toString(entity, "UTF-8");
} catch (IOException e) {
log.error("发送Http Post异常：{}}", e);
} finally {
try {
if (response != null) {
EntityUtils.consume(response.getEntity());
}
} catch (IOException exception) {
exception.printStackTrace();
}
}
return httpStr;
}
/**
* 创建SSL安全连接
*
* @return
*/
private static SSLConnectionSocketFactory createSSLConnSocketFactory() {
SSLConnectionSocketFactory sslsf = null;
try {
SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {
public boolean isTrusted(X509Certificate[] chain, String authType) throws CertificateException {
return true;
}
}).build();
sslsf = new SSLConnectionSocketFactory(sslContext, new HostnameVerifier() {
@Override
public boolean verify(String arg0, SSLSession arg1) {
return true;
}
});
} catch (GeneralSecurityException e) {
e.printStackTrace();
}
return sslsf;
}
}