增加网络工具类

Author: LinuxSuRen

src/main/java/org/suren/autotest/web/framework/util/NetUtil.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright 2002-2007 the original author or authors.
+ *
+ * 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.suren.autotest.web.framework.util;
+
+import java.net.Inet6Address;
+import java.net.InetAddress;
+import java.net.InterfaceAddress;
+import java.net.NetworkInterface;
+import java.net.SocketException;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * 网络相关的工具类
+ * @author suren
+ * @date 2017年5月7日 下午4:33:43
+ */
+public class NetUtil
+{
+    /**
+     * @return 所有的对外ip，没有的话返回空集合
+     */
+    public static Map<String, String> allIP()
+    {
+    	Map<String, String> allIP = new HashMap<String, String>();
+        try
+        {
+            Enumeration<NetworkInterface> netInterfaces = NetworkInterface.getNetworkInterfaces();
+            while (netInterfaces.hasMoreElements())
+            {
+                NetworkInterface netInter = (NetworkInterface) netInterfaces.nextElement();
+                
+                List<InterfaceAddress> address = netInter.getInterfaceAddresses();
+                for(InterfaceAddress interAddr : address)
+                {
+                	InetAddress addr = interAddr.getAddress();
+                	if(addr.isLoopbackAddress() || addr.isLinkLocalAddress() || addr instanceof Inet6Address)
+                	{
+                		continue;
+                	}
+                	
+                	allIP.put(netInter.getDisplayName(), addr.getHostAddress());
+                }
+            }
+        }
+        catch (SocketException e)
+        {
+            e.printStackTrace();
+        }
+    
+        return allIP;
+    }
+}