SF.net SVN: xmlunit:[440] trunk/xmlunit/src/main/java-core/net/sf/xmlunit/ util/Linqy.java

[<bo...@us...>]

Revision: 440
          http://xmlunit.svn.sourceforge.net/xmlunit/?rev=440&view=rev
Author:   bodewig
Date:     2010-08-30 07:57:04 +0000 (Mon, 30 Aug 2010)

Log Message:
-----------
implement cast() in terms of map()

Modified Paths:
--------------
    trunk/xmlunit/src/main/java-core/net/sf/xmlunit/util/Linqy.java

Modified: trunk/xmlunit/src/main/java-core/net/sf/xmlunit/util/Linqy.java
===================================================================
--- trunk/xmlunit/src/main/java-core/net/sf/xmlunit/util/Linqy.java	2010-08-30 07:53:46 UTC (rev 439)
+++ trunk/xmlunit/src/main/java-core/net/sf/xmlunit/util/Linqy.java	2010-08-30 07:57:04 UTC (rev 440)
@@ -31,11 +31,11 @@
     }
 
     public static <E> Iterable<E> cast(final Iterable i) {
-        return new Iterable<E>() {
-            public Iterator<E> iterator() {
-                return new CastingIterator<E>(i.iterator());
-            }
-        };
+        return map(i, new Mapper<Object, E>() {
+                public E map(Object o) {
+                    return (E) o;
+                }
+            });
     }
 
     public static <E> Iterable<E> singleton(final E single) {
@@ -59,22 +59,6 @@
         T map(F from);
     }
 
-    private static class CastingIterator<E> implements Iterator<E> {
-        private final Iterator i;
-        private CastingIterator(Iterator i) {
-            this.i = i;
-        }
-        public void remove() {
-            i.remove();
-        }
-        public E next() {
-            return (E) i.next();
-        }
-        public boolean hasNext() {
-            return i.hasNext();
-        }
-    }
-
     private static class OnceOnlyIterator<E> implements Iterator<E> {
         private final E element;
         private boolean iterated = false;


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