init

src/main/java/com/eactive/eai/common/util/HttpUtil.java

@@ -0,0 +1,76 @@
+package com.eactive.eai.common.util;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.net.ConnectException;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.nio.charset.Charset;
+import java.util.Map;
+
+import org.apache.log4j.Logger;
+
+public class HttpUtil {
+	
+	protected static final Logger logger = Logger.getLogger(HttpUtil.class);
+	
+	public static String httpCall(String urlStr, String httpMethod) throws Exception {
+		return httpCall(urlStr, httpMethod, Charset.defaultCharset().toString());
+	}
+
+	public static String httpCall(String urlStr, String httpMethod, String encoding) throws Exception {
+		
+		logger.debug("httpCall (" +httpMethod+ ") : " + urlStr);
+
+		StringBuilder result = new StringBuilder();
+
+		try {
+			HttpURLConnection conn = (HttpURLConnection) new URL(urlStr).openConnection();
+			conn.setRequestMethod(httpMethod);
+			BufferedReader rd = null;
+
+			if (conn.getResponseCode() >= 200 && conn.getResponseCode() <= 300) {
+				InputStreamReader inputStreamReader = new InputStreamReader(conn.getInputStream(), encoding);
+				rd = new BufferedReader(inputStreamReader);
+			} else {
+				logger.error(urlStr + " / ResponseCode : " + conn.getResponseCode());
+				return null;
+			}
+
+			String line;
+
+			while ((line = rd.readLine()) != null) {
+				result.append(line);
+			}
+
+			rd.close();
+			conn.disconnect();
+		} catch (ConnectException e) {
+			logger.error(urlStr + e.getMessage());
+			return null;
+		}
+
+		return result.toString();
+	}
+	
+	public static String httpCall(String urlStr, String httpMethod, String encoding, Map<String, String> paramMap) throws Exception {
+		
+		if(paramMap.size() < 0) {
+			return httpCall(urlStr, httpMethod, encoding);
+		}
+		
+		StringBuilder sb = new StringBuilder();
+		sb.append(urlStr);
+		sb.append("?");
+		
+		paramMap.forEach((k, v) -> {
+			sb.append(k);
+			sb.append("=");
+			sb.append(v);
+			sb.append("&");
+		});
+		
+		return httpCall(sb.toString(), httpMethod, encoding);
+	}
+
+}