1 files changed, 78 insertions, 0 deletions
diff --git a/apiroute/apiroute-service/src/main/java/org/onap/msb/apiroute/wrapper/util/MicroServiceUtil.java b/apiroute/apiroute-service/src/main/java/org/onap/msb/apiroute/wrapper/util/MicroServiceUtil.java
new file mode 100644
index 0000000..1081579
--- /dev/null
+++ b/apiroute/apiroute-service/src/main/java/org/onap/msb/apiroute/wrapper/util/MicroServiceUtil.java
@@ -0,0 +1,78 @@
+/**
+ * Copyright 2016 ZTE, Inc. and others.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onap.msb.apiroute.wrapper.util;
+
+import org.apache.commons.lang3.StringUtils;
+
+import javax.servlet.http.HttpServletRequest;
+import java.util.regex.Pattern;
+
+
+public class MicroServiceUtil {
+    public static final String PREFIX_PATH = "discover:microservices";
+    
+    private static final Pattern SERVICE_KEY_REGEX_PATTERN =
+            Pattern.compile("discover:microservices:(?<servicename>[^:]+)(:(?<version>[^:]*))");
+
+   
+    public static String getPrefixedKey(String... paths) {
+        StringBuffer sb = new StringBuffer();
+        
+        sb.append(PREFIX_PATH);
+       
+        for (int i = 0; i < paths.length; i++) {
+            sb.append(":");
+            sb.append(paths[i]);
+        }
+        return sb.toString();
+    }
+    
+   
+    public static String getServiceKey(String serviceName, String version) {
+        return getPrefixedKey(serviceName, version);
+    }
+
+    public static Pattern getServiceKeyRegexPattern(){
+        return SERVICE_KEY_REGEX_PATTERN;
+    }
+   
+    
+
+    public static String getRealIp(HttpServletRequest request) {
+        String ip = request.getHeader("X-Forwarded-For");
+        if (StringUtils.isNotEmpty(ip) && !"unKnown".equalsIgnoreCase(ip)) {
+            // After the reverse proxy can have multiple IP value for many times, the first IP is the real IP
+            int index = ip.indexOf(",");
+            if (index != -1) {
+                return ip.substring(0, index);
+            } else {
+                return ip;
+            }
+        }
+        ip = request.getHeader("X-Real-IP");
+
+        if (StringUtils.isNotEmpty(ip) && !"unKnown".equalsIgnoreCase(ip)) {
+            return ip;
+        }
+        
+
+        return request.getRemoteAddr();
+
+    }
+
+
+}