0N/A/*
2362N/A * Copyright (c) 2003, 2006, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/Apackage sun.management.counter.perf;
0N/A
0N/Aimport sun.management.counter.*;
0N/Aimport java.nio.ByteBuffer;
0N/Aimport java.nio.ReadOnlyBufferException;
0N/Aimport java.nio.charset.Charset;
0N/A
0N/Apublic class PerfStringCounter extends PerfByteArrayCounter
0N/A implements StringCounter {
0N/A
0N/A private static Charset defaultCharset = Charset.defaultCharset();
0N/A PerfStringCounter(String name, Variability v,
0N/A int flags, ByteBuffer bb) {
0N/A this(name, v, flags, bb.limit(), bb);
0N/A }
0N/A
0N/A PerfStringCounter(String name, Variability v, int flags,
0N/A int maxLength, ByteBuffer bb) {
0N/A
0N/A super(name, Units.STRING, v, flags, maxLength, bb);
0N/A }
0N/A
0N/A // override isVector and getVectorLength in ByteArrayCounter
0N/A public boolean isVector() {
0N/A return false;
0N/A }
0N/A
0N/A public int getVectorLength() {
0N/A return 0;
0N/A }
0N/A
0N/A public Object getValue() {
0N/A return stringValue();
0N/A }
0N/A
0N/A public String stringValue() {
0N/A
0N/A String str = "";
0N/A byte[] b = byteArrayValue();
0N/A
0N/A if (b == null || b.length <= 1) {
0N/A return str;
0N/A }
0N/A
0N/A int i;
0N/A for (i = 0; i < b.length && b[i] != (byte)0; i++);
0N/A
0N/A // convert byte array to string, using all bytes up to, but
0N/A // not including the first null byte.
0N/A return new String(b , 0, i, defaultCharset);
0N/A }
0N/A
0N/A /**
0N/A * Serialize as a snapshot object.
0N/A */
0N/A protected Object writeReplace() throws java.io.ObjectStreamException {
0N/A return new StringCounterSnapshot(getName(),
0N/A getUnits(),
0N/A getVariability(),
0N/A getFlags(),
0N/A stringValue());
0N/A }
0N/A
1807N/A private static final long serialVersionUID = 6802913433363692452L;
0N/A}