java获取系统消息
private void main(){StringBuffer licenseXml = new StringBuffer();
response.setContentType("text/xml");
licenseXml.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
licenseXml.append("<xml>");
licenseXml.append("<ip>").append(
InetAddress.getLocalHost().getHostAddress()).append("</ip>");
licenseXml.append("<mac>").append(getMacAddress()).append("</mac>");
licenseXml.append("<systemName>").append(System.getProperty("os.name"))
.append("</systemName>");
licenseXml.append("<structure>").append(System.getProperty("os.arch"))
.append("</structure>");
licenseXml.append("<version>").append(System.getProperty("os.version"))
.append("</version>");
licenseXml.append("</xml>");
}
private String getMacAddress() throws IOException {
String os = System.getProperty("os.name");
try {
if (os.startsWith("Windows")) {
return windowsParseMacAddress(windowsRunIpConfigCommand());
} else if (os.startsWith("Linux")) {
return linuxParseMacAddress(linuxRunIfConfigCommand());
} else {
throw new IOException("unknown operating system: " + os);
}
} catch (ParseException ex) {
ex.printStackTrace();
throw new IOException(ex.getMessage());
}
}
/*
* Linux stuff
*/
private static String linuxParseMacAddress(String ipConfigResponse)
throws ParseException {
String localHost = null;
try {
localHost = InetAddress.getLocalHost().getHostAddress();
} catch (java.net.UnknownHostException ex) {
ex.printStackTrace();
throw new ParseException(ex.getMessage(), 0);
}
StringTokenizer tokenizer = new StringTokenizer(ipConfigResponse, "\n");
String lastMacAddress = null;
while (tokenizer.hasMoreTokens()) {
String line = tokenizer.nextToken().trim();
boolean containsLocalHost = line.indexOf(localHost) >= 0;
// see if line contains IP address
if (containsLocalHost && lastMacAddress != null) {
return lastMacAddress;
}
// see if line contains MAC address
int macAddressPosition = line.indexOf("HWaddr");
if (macAddressPosition <= 0)
continue;
String macAddressCandidate = line.substring(macAddressPosition + 6)
.trim();
if (linuxIsMacAddress(macAddressCandidate)) {
lastMacAddress = macAddressCandidate;
continue;
}
}
ParseException ex = new ParseException("cannot read MAC address for "
+ localHost + " from [" + ipConfigResponse + "]", 0);
ex.printStackTrace();
throw ex;
}
private static boolean linuxIsMacAddress(String macAddressCandidate) {
if (macAddressCandidate.length() != 17)
return false;
return true;
}
private static String linuxRunIfConfigCommand() throws IOException {
Process p = Runtime.getRuntime().exec("ifconfig");
InputStream stdoutStream = new BufferedInputStream(p.getInputStream());
StringBuffer buffer = new StringBuffer();
for (;;) {
int c = stdoutStream.read();
if (c == -1)
break;
buffer.append((char) c);
}
String outputText = buffer.toString();
stdoutStream.close();
return outputText;
}
private static String windowsParseMacAddress(String ipConfigResponse)
throws ParseException {
String localHost = null;
try {
localHost = InetAddress.getLocalHost().getHostAddress();
} catch (java.net.UnknownHostException ex) {
ex.printStackTrace();
throw new ParseException(ex.getMessage(), 0);
}
StringTokenizer tokenizer = new StringTokenizer(ipConfigResponse, "\n");
String lastMacAddress = null;
while (tokenizer.hasMoreTokens()) {
String line = tokenizer.nextToken().trim();
if (line.endsWith(localHost) && lastMacAddress != null) {
return lastMacAddress;
}
int macAddressPosition = line.indexOf(":");
if (macAddressPosition <= 0)
continue;
String macAddressCandidate = line.substring(macAddressPosition + 1)
.trim();
if (windowsIsMacAddress(macAddressCandidate)) {
lastMacAddress = macAddressCandidate;
continue;
}
}
ParseException ex = new ParseException("cannot read MAC address from ["
+ ipConfigResponse + "]", 0);
ex.printStackTrace();
throw ex;
}
private static boolean windowsIsMacAddress(String macAddressCandidate) {
if (macAddressCandidate.length() != 17)
return false;
return true;
}
private static String windowsRunIpConfigCommand() throws IOException {
Process p = Runtime.getRuntime().exec("ipconfig /all");
InputStream stdoutStream = new BufferedInputStream(p.getInputStream());
StringBuffer buffer = new StringBuffer();
for (;;) {
int c = stdoutStream.read();
if (c == -1)
break;
buffer.append((char) c);
}
String outputText = buffer.toString();
stdoutStream.close();
return outputText;
}
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