package cn.knet.data.untils; 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; import javax.net.ssl.SSLContext; import javax.net.ssl.SSLException; import javax.net.ssl.SSLSession; import javax.net.ssl.SSLSocket; 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; /** * 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 * @author zhaoyb * */ public class HttpClientUtils { public static final int connTimeout=10000; public static final int readTimeout=10000; public static final String charset="UTF-8"; private static HttpClient client = null; 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 = HttpClientUtils.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 = HttpClientUtils.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 = HttpClientUtils.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 { 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) { try { String str= post("https://localhost:443/ssl/test.shtml","name=12&page=34","application/x-www-form-urlencoded", "UTF-8", 10000, 10000); //String str= get("https://localhost:443/ssl/test.shtml?name=12&page=34","GBK"); /*Map<String,String> map = new HashMap<String,String>(); map.put("name", "111"); map.put("page", "222"); String str= postForm("https://localhost:443/ssl/test.shtml",map,null, 10000, 10000);*/ System.out.println(str); } catch (ConnectTimeoutException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (SocketTimeoutException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } }
