added validation method to perform minimal check that message class implementation...

git-svn-id: https://svn.lifesci.dundee.ac.uk/svn/repository/trunk@491 be28352e-c001-0410-b1a7-c7978e42abec

diff --git a/src/uk/ac/vamsas/client/picking/Message.java b/src/uk/ac/vamsas/client/picking/Message.java
index 1a0165d..c696934 100644 (file)
--- a/src/uk/ac/vamsas/client/picking/Message.java
+++ b/src/uk/ac/vamsas/client/picking/Message.java
@@ -21,4 +21,37 @@ public abstract class Message
         */\r
        public String getRawMessage()\r
                { return message; }\r
+       /**\r
+        * compare the on-wire message content of the given message to this.\r
+        * @param msg\r
+        * @return true if message content is equal\r
+        */\r
+       public boolean equals(Message msg)\r
+       {\r
+         return message.equals(msg.getRawMessage());\r
+       }\r
+       /**\r
+        * Test consistence of a Message class implementation. This method throws an error if\r
+        * the message object cannot be parsed into another instance of the same object by\r
+        * invoking the MessageImpl(String this.getRawMessage()) constructor or that\r
+        * newinstance.getRawMessage != this.getRawMessage \r
+        */\r
+  public void validate() {\r
+    try {\r
+      java.lang.reflect.Constructor msgcons = this.getClass().getConstructor(new Class[] { String.class });\r
+      if (msgcons==null)\r
+      {\r
+        throw new Exception("No "+this.getClass().getName()+"(String rawmessage) constructor.");\r
+      }\r
+      Message instance = (Message) msgcons.newInstance(new Object[] { this.getRawMessage() });\r
+      if (!instance.getRawMessage().equals(getRawMessage()))\r
+      {\r
+        throw new Error("Raw Message Content does not match :\nInitial Message:"+getRawMessage()+"\nParsed and regnerated as :\n"+instance.getRawMessage()+"\n");\r
+      }\r
+    } catch (Exception e)\r
+    {\r
+      throw new Error("Message implementation broken for "+this.getClass(),e);\r
+    }\r
+  }\r
+\r
 }
\ No newline at end of file