--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/src/main/java/net/sourceforge/jsocks/SocksException.java	Thu Dec 03 11:23:55 2015 -0800
@@ -0,0 +1,78 @@
+package net.sourceforge.jsocks;
+
+/**
+ Exception thrown by various socks classes to indicate errors
+ with protocol or unsuccessfull server responses.
+*/
+public class SocksException extends java.io.IOException{
+   /**
+    Construct a SocksException with given errorcode.
+    <p>
+    Tries to look up message which corresponds to this error code.
+    @param errCode Error code for this exception.
+   */
+   public SocksException(int errCode){
+       this.errCode = errCode;
+       if((errCode >> 16) == 0){
+          //Server reply error message
+          errString = errCode <= serverReplyMessage.length ?
+                      serverReplyMessage[errCode] :
+                      UNASSIGNED_ERROR_MESSAGE;
+       }else{
+          //Local error
+          errCode = (errCode >> 16) -1;
+          errString = errCode <= localErrorMessage.length ?
+                      localErrorMessage[errCode] :
+                      UNASSIGNED_ERROR_MESSAGE;
+       }
+   }
+   /**
+    Constructs a SocksException with given error code and message.
+    @param errCode  Error code.
+    @param errString Error Message.
+   */
+   public SocksException(int errCode,String errString){
+       this.errCode = errCode;
+       this.errString = errString;
+   }
+   /**
+    Get the error code associated with this exception.
+    @return Error code associated with this exception.
+   */
+   public int getErrorCode(){
+      return errCode;
+   }
+   /**
+    Get human readable representation of this exception.
+    @return String represntation of this exception.
+   */
+   public String toString(){
+      return errString;
+   }
+
+   static final String UNASSIGNED_ERROR_MESSAGE =
+                  "Unknown error message";
+   static final String serverReplyMessage[] = {
+                  "Succeeded",
+                  "General SOCKS server failure",
+                  "Connection not allowed by ruleset",
+                  "Network unreachable",
+                  "Host unreachable",
+                  "Connection refused",
+                  "TTL expired",
+                  "Command not supported",
+                  "Address type not supported" };
+
+   static final String localErrorMessage[] ={
+                  "SOCKS server not specified",
+                  "Unable to contact SOCKS server",
+                  "IO error",
+                  "None of Authentication methods are supported",
+                  "Authentication failed",
+                  "General SOCKS fault" };
+
+   String errString;
+   public int errCode;
+
+}//End of SocksException class
+