cn.minsin.core.tools.HttpClientUtil Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of mutils-core Show documentation
Show all versions of mutils-core Show documentation
mutils-core 作为mutils组件中的核心模块。 可以被maven项目单独引用，引入后可提供多种帮助类，如StringUtil、NumberUtil、DateUtil等等
maven仓库：https://mvnrepository.com/artifact/cn.minsin/mutils-core
package cn.minsin.core.tools;
import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.security.KeyStore;
import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import org.apache.http.Consts;
import org.apache.http.HttpEntity;
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.config.RegistryBuilder;
import org.apache.http.conn.socket.ConnectionSocketFactory;
import org.apache.http.conn.socket.PlainConnectionSocketFactory;
import org.apache.http.conn.ssl.DefaultHostnameVerifier;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.BasicHttpClientConnectionManager;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
/**
* httpClient帮助类
* 可以参考 {@link HttpClients} 这个帮助类
* @author minsin
*/
public class HttpClientUtil {
/**
* 获取SSL验证的HttpClient
*
* @param httpClient
* @param useCert 是否用证书
* @param password 密码
* @param certificatePath 证书地址
* @param certificateFormat 证书格式
* @return
*/
public static CloseableHttpClient getSSLInstance(String password, String certificatePath,
String certificateFormat) {
try {
BasicHttpClientConnectionManager connManager;
// 证书
char[] passwordChar = password.toCharArray();
InputStream instream = new BufferedInputStream(new FileInputStream(certificatePath));
KeyStore ks = KeyStore.getInstance(certificateFormat);
ks.load(instream, passwordChar);
// 实例化密钥库 & 初始化密钥工厂
KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
kmf.init(ks, passwordChar);
// 创建 SSLContext
SSLContext sslContext = SSLContext.getInstance("TLS");
sslContext.init(kmf.getKeyManagers(), null, new SecureRandom());
SSLConnectionSocketFactory sslConnectionSocketFactory = new SSLConnectionSocketFactory(sslContext,
new String[] { "TLSv1" }, null, new DefaultHostnameVerifier());
connManager = new BasicHttpClientConnectionManager(RegistryBuilder.create()
.register("http", PlainConnectionSocketFactory.getSocketFactory())
.register("https", sslConnectionSocketFactory).build(), null, null, null);
return HttpClientBuilder.create().setConnectionManager(connManager).build();
} catch (Exception e) {
e.printStackTrace();
return HttpClientBuilder.create().build();
}
}
/**
* 创建一个普通实例
*
* @return
*/
public static CloseableHttpClient getInstance() {
BasicHttpClientConnectionManager connManager = new BasicHttpClientConnectionManager(RegistryBuilder
.create().register("http", PlainConnectionSocketFactory.getSocketFactory())
.register("https", SSLConnectionSocketFactory.getSocketFactory()).build(), null, null, null);
return HttpClientBuilder.create().setConnectionManager(connManager).build();
}
/**
* 模拟浏览器post提交
*
* @param url
* @return
*/
public static HttpPost getPostMethod(String url) {
HttpPost pmethod = new HttpPost(url);
pmethod.addHeader("Connection", "keep-alive");
pmethod.addHeader("Accept", "*/*");
pmethod.addHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
pmethod.addHeader("Host", "api.mch.weixin.qq.com");
pmethod.addHeader("X-Requested-With", "XMLHttpRequest");
pmethod.addHeader("Cache-Control", "max-age=0");
pmethod.addHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0) ");
return pmethod;
}
/**
* 模拟浏览器GET提交
*
* @param url
* @return
*/
public static HttpGet getGetMethod(String url) {
HttpGet pmethod = new HttpGet(url);
pmethod.addHeader("Connection", "keep-alive");
pmethod.addHeader("Cache-Control", "max-age=0");
pmethod.addHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0) ");
pmethod.addHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/;q=0.8");
return pmethod;
}
private static final int DEFAULT_TIMEOUT = 10000;
/**
* post 方法
*
* @param url
* @param params
* @return
* @throws IOException
*/
public static String post(String url, Map params) throws IOException {
if (params==null||params.isEmpty()) {
return "";
}
CloseableHttpClient httpClient = getInstance();
CloseableHttpResponse response = null;
String result = null;
try {
HttpPost httpPost = new HttpPost(url);
RequestConfig requestConfig = RequestConfig
.custom()
.setSocketTimeout(DEFAULT_TIMEOUT)
.setConnectTimeout(DEFAULT_TIMEOUT)
.build();//设置请求和传输超时时间
httpPost.setConfig(requestConfig);
httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
List basicNameValuePairs = new ArrayList<>();
for (Map.Entry entity : params.entrySet()) {
basicNameValuePairs.add(new BasicNameValuePair(entity.getKey(), entity.getValue()));
}
UrlEncodedFormEntity urlEncodedFormEntity = new UrlEncodedFormEntity(basicNameValuePairs, Consts.UTF_8);
httpPost.setEntity(urlEncodedFormEntity);
response = httpClient.execute(httpPost);
HttpEntity entity = response.getEntity();
result = EntityUtils.toString(entity, Consts.UTF_8);
return result == null ? "" : result.trim();
} finally {
IOUtil.close(response,httpClient);
}
}
}