/* * Copyright (c) 2003, 2006, 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.ByteBuffer;import java.nio.ReadOnlyBufferException;import java.nio.charset.Charset;public class PerfStringCounter extends PerfByteArrayCounter implements StringCounter { private static Charset defaultCharset = Charset.defaultCharset(); PerfStringCounter(String name, Variability v, int flags, ByteBuffer bb) { this(name, v, flags, bb.limit(), bb); } PerfStringCounter(String name, Variability v, int flags, int maxLength, ByteBuffer bb) { super(name, Units.STRING, v, flags, maxLength, bb); } // override isVector and getVectorLength in ByteArrayCounter public boolean isVector() { return false; } public int getVectorLength() { return 0; } public Object getValue() { return stringValue(); } public String stringValue() { String str = ""; byte[] b = byteArrayValue(); if (b == null || b.length <= 1) { return str; } int i; for (i = 0; i < b.length && b[i] != (byte)0; i++); // convert byte array to string, using all bytes up to, but // not including the first null byte. return new String(b , 0, i, defaultCharset); } /** * Serialize as a snapshot object. */ protected Object writeReplace() throws java.io.ObjectStreamException { return new StringCounterSnapshot(getName(), getUnits(), getVariability(), getFlags(), stringValue()); } private static final long serialVersionUID = 6802913433363692452L;}
/*
* Copyright (c) 2003, 2006, 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.ByteBuffer;
import java.nio.ReadOnlyBufferException;
import java.nio.charset.Charset;
public class PerfStringCounter extends PerfByteArrayCounter
implements StringCounter {
private static Charset defaultCharset = Charset.defaultCharset();
PerfStringCounter(String name, Variability v,
int flags, ByteBuffer bb) {
this(name, v, flags, bb.limit(), bb);
}
PerfStringCounter(String name, Variability v, int flags,
int maxLength, ByteBuffer bb) {
super(name, Units.STRING, v, flags, maxLength, bb);
}
// override isVector and getVectorLength in ByteArrayCounter
public boolean isVector() {
return false;
}
public int getVectorLength() {
return 0;
}
public Object getValue() {
return stringValue();
}
public String stringValue() {
String str = "";
byte[] b = byteArrayValue();
if (b == null || b.length <= 1) {
return str;
}
int i;
for (i = 0; i < b.length && b[i] != (byte)0; i++);
// convert byte array to string, using all bytes up to, but
// not including the first null byte.
return new String(b , 0, i, defaultCharset);
}
/**
* Serialize as a snapshot object.
*/
protected Object writeReplace() throws java.io.ObjectStreamException {
return new StringCounterSnapshot(getName(),
getUnits(),
getVariability(),
getFlags(),
stringValue());
}
private static final long serialVersionUID = 6802913433363692452L;
}