add HttpUtils

src/sc545/pay/utils/HttpUtils.java

@@ -22,7 +22,6 @@ import javax.net.ssl.X509TrustManager;
 
 import org.apache.commons.lang3.StringUtils;
 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;
@@ -82,7 +81,8 @@ public class HttpUtils {
 		if (StringUtils.isBlank(url)) {
 			return null;
 		}
-		
+		CloseableHttpResponse response = null;
+		HttpGet httpGet = null;
 		try {
 			if (params != null && !params.isEmpty()) {
 				List<NameValuePair> pairs = new ArrayList<NameValuePair>(params.size());
@@ -95,8 +95,8 @@ public class HttpUtils {
 				// 将请求参数和url进行拼接
 				url += "?" + EntityUtils.toString(new UrlEncodedFormEntity(pairs, charset));
 			}
-			HttpGet httpGet = new HttpGet(url);
-			CloseableHttpResponse response = httpClient.execute(httpGet);
+			httpGet = new HttpGet(url);
+			response = httpClient.execute(httpGet);
 			int statusCode = response.getStatusLine().getStatusCode();
 			if (statusCode != 200) {
 				httpGet.abort();
@@ -114,7 +114,20 @@ public class HttpUtils {
 			return result;
 		} catch (Exception e) {
 			System.out.println("url错误:::"+e.toString());
+			try {
+				response.close();
+			} catch (IOException e1) {
+				e1.printStackTrace();
+			}
 			e.printStackTrace();
+		}finally{
+			try {
+				response.close();
+				httpClient.close();
+				httpGet.reset();
+			} catch (IOException e) {
+				e.printStackTrace();
+			}
 		}
 		return null;
 	}
@@ -165,14 +178,19 @@ public class HttpUtils {
 			EntityUtils.consume(entity);
 			if(!"UTF-8".equals(getEncoding(result))) result=GBKtoUTF8(result);
 			return result;
-		} catch (Exception e) {
-			return "";
-		} finally {
-			if (response != null)
-				try {
-					response.close();
-				} catch (IOException e) {}
+		}catch (Exception e) {
+			System.out.println("url错误:::"+e.toString());
+			e.printStackTrace();
+		}finally{
+			try {
+				response.close();
+				httpClient.close();
+				httpPost.reset();
+			} catch (IOException e) {
+				e.printStackTrace();
+			}
 		}
+		return null;
 	}
 
 	/**
@@ -187,7 +205,9 @@ public class HttpUtils {
 		if (StringUtils.isBlank(url)) {
 			return null;
 		}
-		
+		CloseableHttpResponse response = null;
+		HttpGet httpGet = null;
+		CloseableHttpClient httpsClient = null;
 		try {
 			if (params != null && !params.isEmpty()) {
 				List<NameValuePair> pairs = new ArrayList<NameValuePair>(params.size());
@@ -199,11 +219,11 @@ public class HttpUtils {
 				}
 				url += "?" + EntityUtils.toString(new UrlEncodedFormEntity(pairs, charset));
 			}
-			HttpGet httpGet = new HttpGet(url);
+			httpGet = new HttpGet(url);
 
 			// https  注意这里获取https内容，使用了忽略证书的方式，当然还有其他的方式来获取https内容
-			CloseableHttpClient httpsClient = HttpUtils.createSSLClientDefault();
-			CloseableHttpResponse response = httpsClient.execute(httpGet);
+			httpsClient = HttpUtils.createSSLClientDefault();
+			response = httpsClient.execute(httpGet);
 			int statusCode = response.getStatusLine().getStatusCode();
 			if (statusCode != 200) {
 				httpGet.abort();
@@ -218,8 +238,17 @@ public class HttpUtils {
 			response.close();
 			if(!"UTF-8".equals(getEncoding(result))) result=GBKtoUTF8(result);
 			return result;
-		} catch (Exception e) {
+		}catch (Exception e) {
+			System.out.println("url错误:::"+e.toString());
 			e.printStackTrace();
+		}finally{
+			try {
+				response.close();
+				httpsClient.close();
+				httpGet.reset();
+			} catch (IOException e) {
+				e.printStackTrace();
+			}
 		}
 		return null;
 	}
@@ -287,6 +316,7 @@ public class HttpUtils {
         CloseableHttpClient client = httpClientBuilder.build();
         client = (CloseableHttpClient) wrapClient(client);
         HttpPost post = new HttpPost(url);
+        CloseableHttpResponse res = null;
         try {
             StringEntity s = new StringEntity(json, "utf-8");
             if (StringUtils.isBlank(contentType)) {
@@ -294,14 +324,23 @@ public class HttpUtils {
             }
             s.setContentType(contentType);
             post.setEntity(s);
-            HttpResponse res = client.execute(post);
+            res = client.execute(post);
             HttpEntity entity = res.getEntity();
             String str = EntityUtils.toString(entity, charset);
             if(!"UTF-8".equals(getEncoding(str))) str=GBKtoUTF8(str);
             return str;
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
+        }catch (Exception e) {
+			System.out.println("url错误:::"+e.toString());
+			e.printStackTrace();
+		}finally{
+			try {
+				res.close();
+				client.close();
+				post.reset();
+			} catch (IOException e) {
+				e.printStackTrace();
+			}
+		}
         return null;
     }
     
@@ -508,12 +547,13 @@ public class HttpUtils {
 		}
 		
 		CloseableHttpResponse response = null;
+		CloseableHttpClient httpClientc = null;
 		try {
 			if (pairs != null && pairs.size() > 0) {
 				httpPost.setEntity(new UrlEncodedFormEntity(pairs, CHARSET));
 			}
 			
-			CloseableHttpClient httpClientc = HttpUtils.createSSLClientCookie(cookie);
+			httpClientc = HttpUtils.createSSLClientCookie(cookie);
 			response = httpClientc.execute(httpPost);
 			int statusCode = response.getStatusLine().getStatusCode();
 			if (statusCode != 200) {
@@ -529,16 +569,28 @@ public class HttpUtils {
 			if(!"UTF-8".equals(getEncoding(result))) result=GBKtoUTF8(result);
 			return result;
 		} catch (Exception e) {
+			System.out.println("url错误:::"+e.toString());
 			e.printStackTrace();
-		} finally {
-			if (response != null)
-				try {
-					response.close();
-				} catch (IOException e) {e.printStackTrace();}
+		}finally{
+			try {
+				response.close();
+				httpClientc.close();
+				httpPost.reset();
+			} catch (IOException e) {
+				e.printStackTrace();
+			}
 		}
 		return null;
 	}
 	
+    /**
+     * 带有cookie和header 的get请求
+     * @param url
+     * @param params
+     * @param cookie
+     * @param header
+     * @return
+     */
 	@SuppressWarnings("rawtypes")
 	public static String doGet2(String url, Map<String, String> params, CookieStore cookie,Map<String, String> header,String charset) {
 		if(charset==null||charset.trim().length()<1) charset="UTF-8";
@@ -546,6 +598,9 @@ public class HttpUtils {
 			return null;
 		}
 		
+		HttpGet httpGet = null;
+		CloseableHttpClient httpsClient = null;
+		CloseableHttpResponse response = null;
 		try {
 			if (params != null && !params.isEmpty()) {
 				List<NameValuePair> pairs = new ArrayList<NameValuePair>(params.size());
@@ -557,7 +612,7 @@ public class HttpUtils {
 				}
 				url += "?" + EntityUtils.toString(new UrlEncodedFormEntity(pairs, charset));
 			}
-			HttpGet httpGet = new HttpGet(url);
+			httpGet = new HttpGet(url);
 			
 			Set<Entry<String, String>> set = header.entrySet();
 			Iterator<Entry<String, String>> s = set.iterator();
@@ -567,8 +622,8 @@ public class HttpUtils {
 			}
 
 			// https  注意这里获取https内容，使用了忽略证书的方式，当然还有其他的方式来获取https内容
-			CloseableHttpClient httpsClient = HttpUtils.createSSLClientCookie(cookie);
-			CloseableHttpResponse response = httpsClient.execute(httpGet);
+			httpsClient = HttpUtils.createSSLClientCookie(cookie);
+			response = httpsClient.execute(httpGet);
 			int statusCode = response.getStatusLine().getStatusCode();
 			if (statusCode != 200) {
 				httpGet.abort();
@@ -583,8 +638,17 @@ public class HttpUtils {
 			response.close();
 			if(!"UTF-8".equals(getEncoding(result))) result=GBKtoUTF8(result);
 			return result;
-		} catch (Exception e) {
+		}catch (Exception e) {
+			System.out.println("url错误:::"+e.toString());
 			e.printStackTrace();
+		}finally{
+			try {
+				response.close();
+				httpsClient.close();
+				httpGet.reset();
+			} catch (IOException e) {
+				e.printStackTrace();
+			}
 		}
 		return null;
 	}