| /* |
| * Copyright (c) 2003, 2004, Oracle and/or its affiliates. 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.management.counter.perf; |
| |
| import sun.management.counter.*; |
| import java.nio.*; |
| |
| public class PerfByteArrayCounter extends AbstractCounter |
| implements ByteArrayCounter { |
| |
| ByteBuffer bb; |
| |
| PerfByteArrayCounter(String name, Units u, Variability v, |
| int flags, int vectorLength, |
| ByteBuffer bb) { |
| |
| super(name, u, v, flags, vectorLength); |
| this.bb = bb; |
| } |
| |
| public Object getValue() { |
| return byteArrayValue(); |
| } |
| |
| /** |
| * Get a copy of the elements of the ByteArrayCounter. |
| */ |
| public byte[] byteArrayValue() { |
| |
| bb.position(0); |
| byte[] b = new byte[bb.limit()]; |
| |
| // copy the bytes |
| bb.get(b); |
| |
| return b; |
| } |
| |
| /** |
| * Get the value of an element of the ByteArrayCounter object. |
| */ |
| public byte byteAt(int index) { |
| bb.position(index); |
| return bb.get(); |
| } |
| |
| public String toString() { |
| String result = getName() + ": " + new String(byteArrayValue()) + |
| " " + getUnits(); |
| if (isInternal()) { |
| return result + " [INTERNAL]"; |
| } else { |
| return result; |
| } |
| } |
| |
| /** |
| * Serialize as a snapshot object. |
| */ |
| protected Object writeReplace() throws java.io.ObjectStreamException { |
| return new ByteArrayCounterSnapshot(getName(), |
| getUnits(), |
| getVariability(), |
| getFlags(), |
| getVectorLength(), |
| byteArrayValue()); |
| } |
| |
| private static final long serialVersionUID = 2545474036937279921L; |
| } |