[freenet-cvs] r16454 - trunk/freenet/src/freenet/support

[t...@freenetproject.org]

Author: toad
Date: 2007-12-10 20:05:30 +0000 (Mon, 10 Dec 2007)
New Revision: 16454

Added:
   trunk/freenet/src/freenet/support/ByteArrayWrapper.java
Log:
Missing class

Added: trunk/freenet/src/freenet/support/ByteArrayWrapper.java
===================================================================
--- trunk/freenet/src/freenet/support/ByteArrayWrapper.java                     
        (rev 0)
+++ trunk/freenet/src/freenet/support/ByteArrayWrapper.java     2007-12-10 
20:05:30 UTC (rev 16454)
@@ -0,0 +1,34 @@
+/* This code is part of Freenet. It is distributed under the GNU General
+ * Public License, version 2 (or at your option any later version). See
+ * http://www.gnu.org/ for further details of the GPL. */
+package freenet.support;
+
+import java.util.Arrays;
+
+/**
+ * byte[], but can be put into HashSet etc *by content*.
+ * @author toad
+ */
+public class ByteArrayWrapper {
+       
+       private final byte[] buf;
+       private int hashCode;
+       
+       public ByteArrayWrapper(byte[] data) {
+               buf = data;
+               hashCode = Fields.hashCode(buf);
+       }
+       
+       public boolean equals(Object o) {
+               if(o instanceof ByteArrayWrapper) {
+                       ByteArrayWrapper b = (ByteArrayWrapper) o;
+                       if(b.buf == buf) return true;
+                       return Arrays.equals(b.buf, buf);
+               }
+               return false;
+       }
+       
+       public int hashCode() {
+               return hashCode;
+       }
+}