转http,https请求工具类（java）
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2024-02-08 14:42:58
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import java.io.IOException;
import java.net.SocketTimeoutException;
import java.security.GeneralSecurityException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import javax.net.ssl.*;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang.StringUtils;
import org.apache.http.Consts;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.config.RequestConfig.Builder;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ConnectTimeoutException;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLContextBuilder;
import org.apache.http.conn.ssl.TrustStrategy;
import org.apache.http.conn.ssl.X509HostnameVerifier;
import org.apache.http.entity.ContentType;
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.log4j.Logger;
import com.alibaba.fastjson.JSONObject;
/**
* 依赖的jar包有：commons-lang-2.6.jar、httpclient-4.3.2.jar、httpcore-4.3.1.jar、commons
* -io-2.4.jar
*/
@SuppressWarnings("deprecation")
public class HttpsUtils {
public static final int connTimeout = 10000;
public static final int readTimeout = 10000;
public static final String mimeType = "text/plain";
public static final String charset = "UTF-8";
private static HttpClient client = null;
/**
* 初始化日志输出
*/
@SuppressWarnings("unused")
private static Logger logger = Logger.getLogger(HttpsUtils.class);
static {
PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager();
cm.setMaxTotal(128);
cm.setDefaultMaxPerRoute(128);
client = HttpClients.custom().setConnectionManager(cm).build();
}
public static String postParameters(String url, String parameterStr)
throws ConnectTimeoutException, SocketTimeoutException, Exception {
return post(url, parameterStr, "application/x-www-form-urlencoded",
charset, connTimeout, readTimeout);
}
public static String postParameters(String url, String parameterStr,
String charset, Integer connTimeout, Integer readTimeout)
throws ConnectTimeoutException, SocketTimeoutException, Exception {
return post(url, parameterStr, "application/x-www-form-urlencoded",
charset, connTimeout, readTimeout);
}
public static String postParameters(String url, Map<String, String> params)
throws ConnectTimeoutException, SocketTimeoutException, Exception {
return postForm(url, params, null, connTimeout, readTimeout);
}
public static String postParameters(String url, Map<String, String> params,
Integer connTimeout, Integer readTimeout)
throws ConnectTimeoutException, SocketTimeoutException, Exception {
return postForm(url, params, null, connTimeout, readTimeout);
}
public static String get(String url) throws Exception {
return get(url, charset, null, null);
}
public static String get(String url, String charset) throws Exception {
return get(url, charset, connTimeout, readTimeout);
}
/**
* 发送一个 Post 请求, 使用指定的字符集编码.
*
* @param url
* @param body
* RequestBody
* @param mimeType
* 例如 application/xml "application/x-www-form-urlencoded"
* a=1&b=2&c=3
* @param charset
* 编码
* @param connTimeout
* 建立链接超时时间,毫秒.
* @param readTimeout
* 响应超时时间,毫秒.
* @return ResponseBody, 使用指定的字符集编码.
* @throws ConnectTimeoutException
* 建立链接超时异常
* @throws SocketTimeoutException
* 响应超时
* @throws Exception
*/
public static String post(String url, String body, String mimeType,
String charset, Integer connTimeout, Integer readTimeout)
throws ConnectTimeoutException, SocketTimeoutException, Exception {
HttpClient client = null;
HttpPost post = new HttpPost(url);
String result = "";
try {
if (StringUtils.isNotBlank(body)) {
HttpEntity entity = new StringEntity(body, ContentType.create(
mimeType, charset));
post.setEntity(entity);
}
// 设置参数
Builder customReqConf = RequestConfig.custom();
if (connTimeout != null) {
customReqConf.setConnectTimeout(connTimeout);
}
if (readTimeout != null) {
customReqConf.setSocketTimeout(readTimeout);
}
post.setConfig(customReqConf.build());
HttpResponse res;
if (url.startsWith("https")) {
// 执行 Https 请求.
client = createSSLInsecureClient();
res = client.execute(post);
} else {
// 执行 Http 请求.
client = HttpsUtils.client;
res = client.execute(post);
}
result = IOUtils.toString(res.getEntity().getContent(), charset);
} finally {
post.releaseConnection();
if (url.startsWith("https") && client != null
&& client instanceof CloseableHttpClient) {
((CloseableHttpClient) client).close();
}
}
return result;
}
/**
* 提交form表单
*
* @param url
* @param params
* @param connTimeout
* @param readTimeout
* @return
* @throws ConnectTimeoutException
* @throws SocketTimeoutException
* @throws Exception
*/
public static String postForm(String url, Map<String, String> params,
Map<String, String> headers, Integer connTimeout,
Integer readTimeout) throws ConnectTimeoutException,
SocketTimeoutException, Exception {
HttpClient client = null;
HttpPost post = new HttpPost(url);
try {
if (params != null && !params.isEmpty()) {
List<NameValuePair> formParams = new ArrayList<org.apache.http.NameValuePair>();
Set<Entry<String, String>> entrySet = params.entrySet();
for (Entry<String, String> entry : entrySet) {
formParams.add(new BasicNameValuePair(entry.getKey(), entry
.getValue()));
}
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(
formParams, Consts.UTF_8);
post.setEntity(entity);
}
if (headers != null && !headers.isEmpty()) {
for (Entry<String, String> entry : headers.entrySet()) {
post.addHeader(entry.getKey(), entry.getValue());
}
}
// 设置参数
Builder customReqConf = RequestConfig.custom();
if (connTimeout != null) {
customReqConf.setConnectTimeout(connTimeout);
}
if (readTimeout != null) {
customReqConf.setSocketTimeout(readTimeout);
}
post.setConfig(customReqConf.build());
HttpResponse res = null;
if (url.startsWith("https")) {
// 执行 Https 请求.
client = createSSLInsecureClient();
res = client.execute(post);
} else {
// 执行 Http 请求.
client = HttpsUtils.client;
res = client.execute(post);
}
return IOUtils.toString(res.getEntity().getContent(), "UTF-8");
} finally {
post.releaseConnection();
if (url.startsWith("https") && client != null
&& client instanceof CloseableHttpClient) {
((CloseableHttpClient) client).close();
}
}
}
/**
* 发送一个 GET 请求
*
* @param url
* @param charset
* @param connTimeout
* 建立链接超时时间,毫秒.
* @param readTimeout
* 响应超时时间,毫秒.
* @return
* @throws ConnectTimeoutException
* 建立链接超时
* @throws SocketTimeoutException
* 响应超时
* @throws Exception
*/
public static String get(String url, String charset, Integer connTimeout,
Integer readTimeout) throws ConnectTimeoutException,
SocketTimeoutException, Exception {
HttpClient client = null;
HttpGet get = new HttpGet(url);
String result = "";
try {
// 设置参数
Builder customReqConf = RequestConfig.custom();
if (connTimeout != null) {
customReqConf.setConnectTimeout(connTimeout);
}
if (readTimeout != null) {
customReqConf.setSocketTimeout(readTimeout);
}
get.setConfig(customReqConf.build());
HttpResponse res = null;
if (url.startsWith("https")) {
// 执行 Https 请求.
client = createSSLInsecureClient();
res = client.execute(get);
} else {
// 执行 Http 请求.
client = HttpsUtils.client;
res = client.execute(get);
}
result = IOUtils.toString(res.getEntity().getContent(), charset);
} finally {
get.releaseConnection();
if (url.startsWith("https") && client != null
&& client instanceof CloseableHttpClient) {
((CloseableHttpClient) client).close();
}
}
return result;
}
/**
* 从 response 里获取 charset
*
* @param ressponse
* @return
*/
@SuppressWarnings("unused")
private static String getCharsetFromResponse(HttpResponse ressponse) {
// Content-Type:text/html; charset=GBK
if (ressponse.getEntity() != null
&& ressponse.getEntity().getContentType() != null
&& ressponse.getEntity().getContentType().getValue() != null) {
String contentType = ressponse.getEntity().getContentType()
.getValue();
if (contentType.contains("charset=")) {
return contentType
.substring(contentType.indexOf("charset=") + 8);
}
}
return null;
}
/**
* 创建 SSL连接
*
* @return
* @throws GeneralSecurityException
*/
private static CloseableHttpClient createSSLInsecureClient()
throws GeneralSecurityException {
try {
@SuppressWarnings("deprecation")
SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(
null, new TrustStrategy() {
public boolean isTrusted(X509Certificate[] chain,
String authType) throws CertificateException {
return true;
}
}).build();
@SuppressWarnings("deprecation")
SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(
sslContext, new X509HostnameVerifier() {
@Override
public boolean verify(String arg0, SSLSession arg1) {
return true;
}
@Override
public void verify(String host, SSLSocket ssl)
throws IOException {
}
@Override
public void verify(String host, X509Certificate cert)
throws SSLException {
}
@Override
public void verify(String host, String[] cns,
String[] subjectAlts) throws SSLException {
}
});
return HttpClients.custom().setSSLSocketFactory(sslsf).build();
} catch (GeneralSecurityException e) {
throw e;
}
}
/**
* 通过post请求服务器获取一个json数据
*
* @param url
* 请求地址
* @param map
* 请求参数
* @return 请求结果
*/
public static JSONObject getUrlToJson(String url, Map<String, String> map) {
String ret = "";
System.out.println("请求时间："
+ DateUtil.getDate2LStr(DateUtil.getCurrentDate()) + "毫秒数："
+ DateUtil.getCurTimeMillis() + "\n请求地址：" + url + "\n请求参数："
+ map);
JSONObject jo;
try {
ret = HttpsUtils.postForm(url, map, null, connTimeout, readTimeout);
System.out.println("成功：响应时间："
+ DateUtil.getDate2LStr(DateUtil.getCurrentDate()) + "毫秒数："
+ DateUtil.getCurTimeMillis() + "\n响应内容：" + ret);
jo = JSONObject.parseObject(ret);
// 记录请求成功
} catch (ConnectTimeoutException e) {
jo = null;
// 记录请求失败
System.out.println("异常：响应时间："
+ DateUtil.getDate2LStr(DateUtil.getCurrentDate()) + "毫秒数："
+ DateUtil.getCurTimeMillis() + "\n响应内容：" + e.getMessage());
} catch (SocketTimeoutException e) {
jo = null;
// 记录请求失败
System.out.println("异常：响应时间："
+ DateUtil.getDate2LStr(DateUtil.getCurrentDate()) + "毫秒数："
+ DateUtil.getCurTimeMillis() + "\n响应内容：" + e.getMessage());
} catch (Exception e) {
jo = null;
// 记录请求失败
System.out.println("异常：响应时间："
+ DateUtil.getDate2LStr(DateUtil.getCurrentDate()) + "毫秒数："
+ DateUtil.getCurTimeMillis() + "\n响应内容：" + e.getMessage());
}
return jo;
}
/**
* 通过post请求服务器获取一个字符串
*
* @param url
* 请求地址
* @param map
* 请求参数
* @return 请求结果
*/
public static String getUrlToString(String url, Map<String, String> map) {
String ret = "";
System.out.println("请求时间："
+ DateUtil.getDate2LStr(DateUtil.getCurrentDate()) + "毫秒数："
+ DateUtil.getCurTimeMillis() + "\n请求地址：" + url + "\n请求参数："
+ map);
try {
ret = HttpsUtils.postForm(url, map, null, connTimeout, readTimeout);
System.out.println("成功：响应时间："
+ DateUtil.getDate2LStr(DateUtil.getCurrentDate()) + "毫秒数："
+ DateUtil.getCurTimeMillis() + "\n响应内容：" + ret);
} catch (ConnectTimeoutException e) {
// 记录请求失败
System.out.println("异常：响应时间："
+ DateUtil.getDate2LStr(DateUtil.getCurrentDate()) + "毫秒数："
+ DateUtil.getCurTimeMillis() + "\n响应内容：" + e.getMessage());
} catch (SocketTimeoutException e) {
// 记录请求失败
System.out.println("异常：响应时间："
+ DateUtil.getDate2LStr(DateUtil.getCurrentDate()) + "毫秒数："
+ DateUtil.getCurTimeMillis() + "\n响应内容：" + e.getMessage());
} catch (Exception e) {
// 记录请求失败
System.out.println("异常：响应时间："
+ DateUtil.getDate2LStr(DateUtil.getCurrentDate()) + "毫秒数："
+ DateUtil.getCurTimeMillis() + "\n响应内容：" + e.getMessage());
}
return ret;
}
}
转载于:https://my.oschina.net/xf1025/blog/856690