From 29c31d10c11473e0a2711bc324f320610823426b Mon Sep 17 00:00:00 2001
From: Jacobus Martinus Kruithof <jkf@apache.org>
Date: Sat, 11 Nov 2006 22:05:54 +0000
Subject: [PATCH] br 40949: Test of several resources on 1.3 showed that the
 compareTo method in the CompressedResource was defective. HashMap on 1.4+
 apparently checks using == before equals. When equals is used the compareTo
 on the CompressedResource would be called

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@473806 13f79535-47bb-0310-9956-ffa450edef68
---
 .../tools/ant/types/resources/CompressedResource.java    | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/main/org/apache/tools/ant/types/resources/CompressedResource.java b/src/main/org/apache/tools/ant/types/resources/CompressedResource.java
index ece5169ea..b5eb95758 100644
--- a/src/main/org/apache/tools/ant/types/resources/CompressedResource.java
+++ b/src/main/org/apache/tools/ant/types/resources/CompressedResource.java
@@ -159,7 +159,14 @@ public abstract class CompressedResource extends Resource {
      *         is less than, equal to, or greater than the specified Resource.
      */
     public int compareTo(Object other) {
+        if (other == this) {
+            return 0;
+        }
+        if (other instanceof CompressedResource) {
+            return getResource().compareTo(((CompressedResource)other).getResource());
+        }
         return getResource().compareTo(other);
+        
     }
 
     /**
@@ -169,7 +176,7 @@ public abstract class CompressedResource extends Resource {
     public int hashCode() {
         return getResource().hashCode();
     }
-
+    
     /**
      * Get an InputStream for the Resource.
      * @return an InputStream containing this Resource's content.