From 158cc8e5d75ba0b94f2eed62b85f2b39038aadd1 Mon Sep 17 00:00:00 2001
From: jprocter <jprocter@compbio.dundee.ac.uk>
Date: Wed, 12 Nov 2008 15:57:33 +0000
Subject: [PATCH] added validation method to perform minimal check that
 message class implementation is consistent for receiving
 its own generated messages.

git-svn-id: https://svn.lifesci.dundee.ac.uk/svn/repository/trunk@491 be28352e-c001-0410-b1a7-c7978e42abec
---
 src/uk/ac/vamsas/client/picking/Message.java |   33 ++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/src/uk/ac/vamsas/client/picking/Message.java b/src/uk/ac/vamsas/client/picking/Message.java
index 1a0165d..c696934 100644
--- 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
 	 */
 	public String getRawMessage()
 		{ return message; }
+	/**
+	 * compare the on-wire message content of the given message to this.
+	 * @param msg
+	 * @return true if message content is equal
+	 */
+	public boolean equals(Message msg)
+	{
+	  return message.equals(msg.getRawMessage());
+	}
+	/**
+	 * Test consistence of a Message class implementation. This method throws an error if
+	 * the message object cannot be parsed into another instance of the same object by
+	 * invoking the MessageImpl(String this.getRawMessage()) constructor or that
+	 * newinstance.getRawMessage != this.getRawMessage 
+	 */
+  public void validate() {
+    try {
+      java.lang.reflect.Constructor msgcons = this.getClass().getConstructor(new Class[] { String.class });
+      if (msgcons==null)
+      {
+        throw new Exception("No "+this.getClass().getName()+"(String rawmessage) constructor.");
+      }
+      Message instance = (Message) msgcons.newInstance(new Object[] { this.getRawMessage() });
+      if (!instance.getRawMessage().equals(getRawMessage()))
+      {
+        throw new Error("Raw Message Content does not match :\nInitial Message:"+getRawMessage()+"\nParsed and regnerated as :\n"+instance.getRawMessage()+"\n");
+      }
+    } catch (Exception e)
+    {
+      throw new Error("Message implementation broken for "+this.getClass(),e);
+    }
+  }
+
 }
\ No newline at end of file
-- 
1.7.10.2