--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/sun/reflect/ByteVectorImpl.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,88 @@
+/*
+ * Copyright 2001 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package sun.reflect;
+
+class ByteVectorImpl implements ByteVector {
+    private byte[] data;
+    private int pos;
+
+    public ByteVectorImpl() {
+        this(100);
+    }
+
+    public ByteVectorImpl(int sz) {
+        data = new byte[sz];
+        pos = -1;
+    }
+
+    public int getLength() {
+        return pos + 1;
+    }
+
+    public byte get(int index) {
+        if (index >= data.length) {
+            resize(index);
+            pos = index;
+        }
+        return data[index];
+    }
+
+    public void put(int index, byte value) {
+        if (index >= data.length) {
+            resize(index);
+            pos = index;
+        }
+        data[index] = value;
+    }
+
+    public void add(byte value) {
+        if (++pos >= data.length) {
+            resize(pos);
+        }
+        data[pos] = value;
+    }
+
+    public void trim() {
+        if (pos != data.length - 1) {
+            byte[] newData = new byte[pos + 1];
+            System.arraycopy(data, 0, newData, 0, pos + 1);
+            data = newData;
+        }
+    }
+
+    public byte[] getData() {
+        return data;
+    }
+
+    private void resize(int minSize) {
+        if (minSize <= 2 * data.length) {
+            minSize = 2 * data.length;
+        }
+        byte[] newData = new byte[minSize];
+        System.arraycopy(data, 0, newData, 0, data.length);
+        data = newData;
+    }
+}