1 files changed, 129 insertions, 0 deletions
diff --git a/java/common/src/main/java/org/apache/qpid/transport/Binary.java b/java/common/src/main/java/org/apache/qpid/transport/Binary.java
new file mode 100644
index 0000000000..e6dedc536f
--- /dev/null
+++ b/java/common/src/main/java/org/apache/qpid/transport/Binary.java
@@ -0,0 +1,129 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.qpid.transport;
+
+
+/**
+ * Binary
+ *
+ */
+
+public final class Binary
+{
+
+    private byte[] bytes;
+    private int offset;
+    private int size;
+    private int hash = 0;
+
+    public Binary(byte[] bytes, int offset, int size)
+    {
+        if (offset + size > bytes.length)
+        {
+            throw new ArrayIndexOutOfBoundsException();
+        }
+
+        this.bytes = bytes;
+        this.offset = offset;
+        this.size = size;
+    }
+
+    public Binary(byte[] bytes)
+    {
+        this(bytes, 0, bytes.length);
+    }
+
+    public final byte[] array()
+    {
+        return bytes;
+    }
+
+    public final int offset()
+    {
+        return offset;
+    }
+
+    public final int size()
+    {
+        return size;
+    }
+
+    public final Binary slice(int low, int high)
+    {
+        int sz;
+
+        if (high < 0)
+        {
+            sz = size + high;
+        }
+        else
+        {
+            sz = high - low;
+        }
+
+        if (sz < 0)
+        {
+            sz = 0;
+        }
+
+        return new Binary(bytes, offset + low, sz);
+    }
+
+    public final int hashCode()
+    {
+        if (hash == 0)
+        {
+            int hc = 0;
+            for (int i = 0; i < size; i++)
+            {
+                hc = 31*hc + (0xFF & bytes[offset + i]);
+            }
+            hash = hc;
+        }
+
+        return hash;
+    }
+
+    public final boolean equals(Object o)
+    {
+        if (!(o instanceof Binary))
+        {
+            return false;
+        }
+
+        Binary buf = (Binary) o;
+        if (this.size != buf.size)
+        {
+            return false;
+        }
+
+        for (int i = 0; i < size; i++)
+        {
+            if (bytes[offset + i] != buf.bytes[buf.offset + i])
+            {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+}