1 /*
2 * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.servicetag;
27
28 // This class is a copy of the com.sun.scn.servicetags.WindowsSystemEnvironment
29 // class from the Sun Connection source.
30 //
31 // The Service Tags team maintains the latest version of the implementation
32 // for system environment data collection. JDK will include a copy of
33 // the most recent released version for a JDK release. We rename
34 // the package to com.sun.servicetag so that the Sun Connection
35 // product always uses the latest version from the com.sun.scn.servicetags
36 // package. JDK and users of the com.sun.servicetag API
37 // (e.g. NetBeans and SunStudio) will use the version in JDK.
38 //
39 // So we keep this class in src/share/classes instead of src/<os>/classes.
40
41 import java.io.*;
42 import java.util.ArrayList;
43 import java.util.List;
44
45 /**
46 * Windows implementation of the SystemEnvironment class.
47 */
48 class WindowsSystemEnvironment extends SystemEnvironment {
49 WindowsSystemEnvironment() {
50 super();
51
52 // run a call to make sure things are initialized
53 // ignore the first call result as the system may
54 // give inconsistent data on the first invocation ever
55 getWmicResult("computersystem", "get", "model");
56
57 setSystemModel(getWmicResult("computersystem", "get", "model"));
58 setSystemManufacturer(getWmicResult("computersystem", "get", "manufacturer"));
59 setSerialNumber(getWmicResult("bios", "get", "serialnumber"));
60
61 String cpuMfr = getWmicResult("cpu", "get", "manufacturer");
62 // this isn't as good an option, but if we couldn't get anything
63 // from wmic, try the processor_identifier
64 if (cpuMfr.length() == 0) {
65 String procId = System.getenv("processor_identifer");
66 if (procId != null) {
67 String[] s = procId.split(",");
68 cpuMfr = s[s.length - 1].trim();
69 }
70 }
71 setCpuManufacturer(cpuMfr);
72
73 // try to remove the temp file that gets created from running wmic cmds
74 try {
75 // look in the current working directory
76 File f = new File("TempWmicBatchFile.bat");
77 if (f.exists()) {
78 f.delete();
79 }
80 } catch (Exception e) {
81 // ignore the exception
82 }
83 }
84
85
86 /**
87 * This method invokes wmic outside of the normal environment
88 * collection routines.
89 *
90 * An initial call to wmic can be costly in terms of time.
91 *
92 * <code>
93 * Details of why the first call is costly can be found at:
94 *
95 * http://support.microsoft.com/kb/290216/en-us
96 *
97 * "When you run the Wmic.exe utility for the first time, the utility
98 * compiles its .mof files into the repository. To save time during
99 * Windows installation, this operation takes place as necessary."
100 * </code>
101 */
102 private String getWmicResult(String alias, String verb, String property) {
103 String res = "";
104 BufferedReader in = null;
105 try {
106 ProcessBuilder pb = new ProcessBuilder("cmd", "/C", "WMIC", alias, verb, property);
107 Process p = pb.start();
108 // need this for executing windows commands (at least
109 // needed for executing wmic command)
110 BufferedWriter bw = null;
111 try {
112 bw = new BufferedWriter(
113 new OutputStreamWriter(p.getOutputStream()));
114 bw.write(13);
115 bw.flush();
116 } finally {
117 if (bw != null) {
118 bw.close();
119 }
120 }
121
122 p.waitFor();
123 if (p.exitValue() == 0) {
124 in = new BufferedReader(new InputStreamReader(p.getInputStream()));
125 String line = null;
126 while ((line = in.readLine()) != null) {
127 line = line.trim();
128 if (line.length() == 0) {
129 continue;
130 }
131 res = line;
132 }
133 // return the *last* line read
134 return res;
135 }
136
137 } catch (Exception e) {
138 // ignore the exception
139 } finally {
140 if (in != null) {
141 try {
142 in.close();
143 } catch (IOException e) {
144 // ignore
145 }
146 }
147 }
148 return res.trim();
149 }
150 }