HttpClient工具操作类

package com.tansun.easycare.modules.sys.utils;

import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.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.CookieStore;
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.client.protocol.HttpClientContext;
import org.apache.http.concurrent.FutureCallback;
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.BasicCookieStore;
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.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;

import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLException;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocket;
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.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;

/**
* http工具类
*/

public class HttpUtil {

public static final int connTimeout = 5000;
public static final int readTimeout = 5000;
public static final String charset = "UTF-8";
private static HttpClient client = null;

private static Logger logger=LoggerFactory.getLogger(HttpUtil.class);

/**
* post 表单提交
*
* @param url
* @param parameterStr 参数串
* @return
* @throws ConnectTimeoutException
* @throws SocketTimeoutException
* @throws Exception
*/
public static String postParameters(String url, String parameterStr) throws Exception {
return post(url, parameterStr, "application/x-www-form-urlencoded", charset, connTimeout, readTimeout);
}
/**
* post 表单提交
*
* @param url
* @param parameterStr 参数串
* @return
* @throws ConnectTimeoutException
* @throws SocketTimeoutException
* @throws Exception
*/
public static String postParameters(String url, String parameterStr,String mimeType) throws Exception {
return post(url, parameterStr, mimeType, charset, connTimeout, readTimeout);
}

/**
* post 表单提交可设定参数
*
* @param url
* @param parameterStr
* @param charset
* @param connTimeout
* @param readTimeout
* @return
* @throws ConnectTimeoutException
* @throws SocketTimeoutException
* @throws Exception
*/
public static String postParameters(String url, String parameterStr, String charset, Integer connTimeout, Integer readTimeout) throws Exception {
return post(url, parameterStr, "application/x-www-form-urlencoded", charset, connTimeout, readTimeout);
}

/**
* post 表单提交
*
* @param url
* @param params map类型
* @return
* @throws ConnectTimeoutException
* @throws SocketTimeoutException
* @throws Exception
*/
public static String postParameters(String url, Map<String, String> params) throws
Exception {
return postForm(url, params, null, connTimeout, readTimeout);
}

/**
* post 表单提交 参数可设置
*
* @param url
* @param params
* @param connTimeout
* @param readTimeout
* @return
* @throws ConnectTimeoutException
* @throws SocketTimeoutException
* @throws Exception
*/
public static String postParameters(String url, Map<String, String> params, Integer connTimeout, Integer readTimeout) throws
Exception {
return postForm(url, params, null, connTimeout, readTimeout);
}

/**
* get 请求
*
* @param url
* @return
* @throws Exception
*/
public static String get(String url) throws Exception {
return get(url, charset, null, null);
}

/**
* get 请求可设参数
*
* @param url
* @param charset
* @return
* @throws Exception
*/
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 Exception {
long startTime = System.currentTimeMillis();
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")) {
client = createSSLInsecureClient();
res = client.execute(post);
} else {
client = createDefaultClient();
res = client.execute(post);
}
result = IOUtils.toString(res.getEntity().getContent(), charset);

long endTime = System.currentTimeMillis();
logger.info("HttpClient Method:[post] ,URL[" + url + "] ,Time:[" + (endTime - startTime) + "ms] ,result:" + result);
} catch (ConnectTimeoutException ex) {
logger.warn("连接超时", ex);
throw ex;
} catch (SocketTimeoutException ex) {
logger.warn("响应超时", ex);
throw ex;
} catch (Exception ex) {
logger.warn("连接异常", ex);
throw ex;
} 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 Exception {
long startTime = System.currentTimeMillis();
HttpClient client = null;
HttpPost post = new HttpPost(url);
String result = "";
try {
if (params != null && !params.isEmpty()) {
List<NameValuePair> formParams = new ArrayList<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 = createDefaultClient();
res = client.execute(post);
}
result = IOUtils.toString(res.getEntity().getContent(), charset);

long endTime = System.currentTimeMillis();
logger.info("HttpClient Method:[postForm] ,URL[" + url + "] ,Time:[" + (endTime - startTime) + "ms] ,result:" + result);
} catch (ConnectTimeoutException ex) {
logger.warn("连接超时", ex);
throw ex;
} catch (SocketTimeoutException ex) {
logger.warn("响应超时", ex);
throw ex;
} catch (Exception ex) {
logger.warn("连接异常", ex);
throw ex;
} finally {
post.releaseConnection();
if (url.startsWith("https") && client != null && client instanceof CloseableHttpClient) {
((CloseableHttpClient) client).close();
}
}
return result;
}

/**
* 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 Exception {
long startTime = System.currentTimeMillis();
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 = createDefaultClient();
res = client.execute(get);
}
result = IOUtils.toString(res.getEntity().getContent(), charset);

long endTime = System.currentTimeMillis();
logger.info("HttpClient Method:[postForm] ,URL[" + url + "] ,Time:[ " + (endTime - startTime) + "ms ] ,result:" + result);
} catch (ConnectTimeoutException ex) {
logger.warn("连接超时", ex);
throw ex;
} catch (SocketTimeoutException ex) {
logger.warn("响应超时", ex);
throw ex;
} catch (Exception ex) {
logger.warn("连接异常", ex);
throw ex;
} 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
*/
private static String getCharsetFromResponse(HttpResponse ressponse) {
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;
}

/**
* http async post
*
* @param url
* @param values
* @return
*/
public static void doPost(String url, List<NameValuePair> values) {
HttpClientContext context = HttpClientContext.create();
CookieStore cookieStore = new BasicCookieStore();
CloseableHttpAsyncClient httpClient = HttpAsyncClients.createDefault();

HttpPost httpPost = new HttpPost(url);
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(values, Consts.UTF_8);
httpPost.setEntity(entity);
try {
httpClient.execute(httpPost, context, new FutureCallback<HttpResponse>() {
@Override
public void completed(HttpResponse result) {
System.out.println(result.toString());
}

@Override
public void failed(Exception ex) {
System.out.println(ex.toString());
}

@Override
public void cancelled() {

}
});
} catch (Exception e) {
}
}

/**
* 创建连接
*
* @return
* @throws GeneralSecurityException
*/
private static CloseableHttpClient createDefaultClient() {
CloseableHttpClient httpclient = HttpClients.createDefault();
return httpclient;
}

/**
* 创建 SSL连接
*
* @return
* @throws GeneralSecurityException
*/
private static CloseableHttpClient createSSLInsecureClient() throws GeneralSecurityException {
try {
SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {
public boolean isTrusted(X509Certificate[] chain, String authType) throws CertificateException {
return true;
}
}).build();

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;
}
}

public static void main(String[] args) throws Exception {
/*String url="http://localhost:8080/urp/a/techcenter/doc/rpTecDoc/docDirTreeData?dirId=7097c2971c0f44e18c18d4175180d2ca";
String string = get(url);
JSONArray parseArray = JSON.parseArray(string);
System.out.println(parseArray);*/
/*String url="http://10.104.170.193:8888/WebReport/ReportServer";
HashMap<String, String> params = new HashMap<>();
params.put("op", "fs_load");
params.put("cmd", "sso");
params.put("fr_username", "admin");
params.put("fr_password", "admin");
String postParameters = postParameters(url, params);*/
/*String url="http://10.104.170.193:8888/WebReport/ReportServer";
HashMap<String, String> params = new HashMap<>();
params.put("op", "fs_load");
params.put("cmd", "sso");
params.put("fr_username", "admin");
params.put("fr_password", "admin");
String postParameters = postParameters(url, params);
if (StringUtils.isNotEmpty(postParameters)) {
int indexOf = postParameters.indexOf("{");
int indexOf2 = postParameters.indexOf("}");
String substring = postParameters.substring(indexOf, indexOf2+1);
JSONObject parseObject = JSON.parseObject(substring);
System.out.println(parseObject);
}*/
String url="http://10.104.170.193:8888/WebReport/ReportServer";
/*String username="admin";
String password="admin";
boolean frLogin = FrApiUtil.frLogin(url, username, password);*/
int indexOf = url.indexOf("/WebReport");
String substring = url.substring(0, indexOf);
System.out.println(substring);
/* if (frLogin) {//登入成功
HashMap<String, String> params = new HashMap<>();
params.put("op", "fs_entry");
params.put("cmd", "getfolder");
String postParameters = postParameters(url, params);
if (StringUtils.isNotEmpty(postParameters)) {
int indexOf = postParameters.indexOf("{");
int indexOf2 = postParameters.indexOf("}");
String substring = postParameters.substring(indexOf, indexOf2+1);
JSONObject parseObject = JSON.parseObject(substring);
System.out.println(parseObject);
}
}*/
}
}