ConvertiblePair implements equals and hashCode (SPR-8459)

org.springframework.core/src/main/java/org/springframework/core/convert/converter/GenericConverter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2009 the original author or authors.
+ * Copyright 2002-2011 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.
@@ -16,11 +16,11 @@
 
 package org.springframework.core.convert.converter;
 
-import java.util.Set;
-
 import org.springframework.core.convert.TypeDescriptor;
 import org.springframework.util.Assert;
 
+import java.util.Set;
+
 /**
  * Generic converter interface for converting between two or more types.
  *
@@ -87,6 +87,24 @@ public interface GenericConverter {
 		public Class<?> getTargetType() {
 			return this.targetType;
 		}
-	}
+
+        @Override
+        public boolean equals(Object obj) {
+            if (this == obj) {
+				return true;
+			}
+            if (obj == null || obj.getClass() != ConvertiblePair.class) {
+				return false;
+			}
+            ConvertiblePair other = (ConvertiblePair) obj;
+            return this.sourceType.equals(other.sourceType) && this.targetType.equals(other.targetType);
+
+        }
+
+        @Override
+        public int hashCode() {
+            return this.sourceType.hashCode() * 31 + this.targetType.hashCode();
+        }
+    }
 
 }