/*
* Copyright (c) 2008, 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 com.sun.servicetag;
// This class is a copy of the com.sun.scn.servicetags.WindowsSystemEnvironment
// class from the Sun Connection source.
//
// The Service Tags team maintains the latest version of the implementation
// for system environment data collection. JDK will include a copy of
// the most recent released version for a JDK release. We rename
// the package to com.sun.servicetag so that the Sun Connection
// product always uses the latest version from the com.sun.scn.servicetags
// package. JDK and users of the com.sun.servicetag API
// (e.g. NetBeans and SunStudio) will use the version in JDK.
//
// So we keep this class in src/share/classes instead of src/<os>/classes.
import java.io.*;
import java.util.ArrayList;
import java.util.List;
/**
* Windows implementation of the SystemEnvironment class.
*/
class WindowsSystemEnvironment extends SystemEnvironment {
WindowsSystemEnvironment() {
super();
// run a call to make sure things are initialized
// ignore the first call result as the system may
// give inconsistent data on the first invocation ever
getWmicResult("computersystem", "get", "model");
setSystemModel(getWmicResult("computersystem", "get", "model"));
setSystemManufacturer(getWmicResult("computersystem", "get", "manufacturer"));
setSerialNumber(getWmicResult("bios", "get", "serialnumber"));
String cpuMfr = getWmicResult("cpu", "get", "manufacturer");
// this isn't as good an option, but if we couldn't get anything
// from wmic, try the processor_identifier
if (cpuMfr.length() == 0) {
String procId = System.getenv("processor_identifer");
if (procId != null) {
String[] s = procId.split(",");
cpuMfr = s[s.length - 1].trim();
}
}
setCpuManufacturer(cpuMfr);
// try to remove the temp file that gets created from running wmic cmds
try {
// look in the current working directory
File f = new File("TempWmicBatchFile.bat");
if (f.exists()) {
f.delete();
}
} catch (Exception e) {
// ignore the exception
}
}
/**
* This method invokes wmic outside of the normal environment
* collection routines.
*
* An initial call to wmic can be costly in terms of time.
*
* <code>
* Details of why the first call is costly can be found at:
*
* http://support.microsoft.com/kb/290216/en-us
*
* "When you run the Wmic.exe utility for the first time, the utility
* compiles its .mof files into the repository. To save time during
* Windows installation, this operation takes place as necessary."
* </code>
*/
private String getWmicResult(String alias, String verb, String property) {
String res = "";
BufferedReader in = null;
try {
ProcessBuilder pb = new ProcessBuilder("cmd", "/C", "WMIC", alias, verb, property);
Process p = pb.start();
// need this for executing windows commands (at least
// needed for executing wmic command)
BufferedWriter bw = null;
try {
bw = new BufferedWriter(
new OutputStreamWriter(p.getOutputStream()));
bw.write(13);
bw.flush();
} finally {
if (bw != null) {
bw.close();
}
}
p.waitFor();
if (p.exitValue() == 0) {
in = new BufferedReader(new InputStreamReader(p.getInputStream()));
String line = null;
while ((line = in.readLine()) != null) {
line = line.trim();
if (line.length() == 0) {
continue;
}
res = line;
}
// return the *last* line read
return res;
}
} catch (Exception e) {
// ignore the exception
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
// ignore
}
}
}
return res.trim();
}
}