/**
* Provides access to the native system.
*
* @author John Mazzitelli
*/
public class NativePromptCommand implements AgentPromptCommand {
private static final Msg MSG = AgentI18NFactory.getMsg();
/** @see AgentPromptCommand#getPromptCommandString() */
public String getPromptCommandString() {
return MSG.getMsg(AgentI18NResourceKeys.NATIVE);
}
/** @see AgentPromptCommand#execute(AgentMain, String[]) */
public boolean execute(AgentMain agent, String[] args) {
PrintWriter out = agent.getOut();
if (args.length <= 1) {
out.println(
MSG.getMsg(
SystemInfoFactory.isNativeSystemInfoAvailable()
? AgentI18NResourceKeys.NATIVE_IS_AVAILABLE
: AgentI18NResourceKeys.NATIVE_IS_NOT_AVAILABLE));
out.println(
MSG.getMsg(
SystemInfoFactory.isNativeSystemInfoDisabled()
? AgentI18NResourceKeys.NATIVE_IS_DISABLED
: AgentI18NResourceKeys.NATIVE_IS_NOT_DISABLED));
out.println(
MSG.getMsg(
SystemInfoFactory.isNativeSystemInfoInitialized()
? AgentI18NResourceKeys.NATIVE_IS_INITIALIZED
: AgentI18NResourceKeys.NATIVE_IS_NOT_INITIALIZED));
return true;
}
processArguments(agent, args);
return true;
}
/** @see AgentPromptCommand#getSyntax() */
public String getSyntax() {
return MSG.getMsg(AgentI18NResourceKeys.NATIVE_SYNTAX);
}
/** @see AgentPromptCommand#getHelp() */
public String getHelp() {
return MSG.getMsg(AgentI18NResourceKeys.NATIVE_HELP);
}
/** @see AgentPromptCommand#getDetailedHelp() */
public String getDetailedHelp() {
return MSG.getMsg(AgentI18NResourceKeys.NATIVE_DETAILED_HELP);
}
private void processArguments(AgentMain agent, String[] args) {
PrintWriter out = agent.getOut();
String sopts = "deop::sv";
LongOpt[] lopts = {
new LongOpt("disable", LongOpt.NO_ARGUMENT, null, 'd'),
new LongOpt("enable", LongOpt.NO_ARGUMENT, null, 'e'),
new LongOpt("os", LongOpt.NO_ARGUMENT, null, 'o'),
new LongOpt("ps", LongOpt.OPTIONAL_ARGUMENT, null, 'p'),
new LongOpt("shutdown", LongOpt.NO_ARGUMENT, null, 's'),
new LongOpt("version", LongOpt.NO_ARGUMENT, null, 'v')
};
Getopt getopt = new Getopt("native", args, sopts, lopts);
int code;
while ((code = getopt.getopt()) != -1) {
switch (code) {
case ':':
case '?':
case 1:
{
out.println(MSG.getMsg(AgentI18NResourceKeys.HELP_SYNTAX_LABEL, getSyntax()));
break;
}
case 'd':
{
SystemInfoFactory.disableNativeSystemInfo();
out.println(MSG.getMsg(AgentI18NResourceKeys.NATIVE_DISABLE_DONE));
break;
}
case 'e':
{
SystemInfoFactory.enableNativeSystemInfo();
out.println(MSG.getMsg(AgentI18NResourceKeys.NATIVE_ENABLE_DONE));
break;
}
case 'o':
{
SystemInfo sysInfo = SystemInfoFactory.createSystemInfo();
// careful - I chose to only output things that I know the non-native Java sysinfo can
// support
out.println(
MSG.getMsg(
AgentI18NResourceKeys.NATIVE_OS_OUTPUT,
sysInfo.getOperatingSystemName(),
sysInfo.getOperatingSystemVersion(),
sysInfo.getHostname()));
break;
}
case 'p':
{
SystemInfo sysInfo = SystemInfoFactory.createSystemInfo();
String verboseOpt = getopt.getOptarg();
boolean verbose =
(verboseOpt != null)
&& verboseOpt.equals(MSG.getMsg(AgentI18NResourceKeys.NATIVE_VERBOSE));
try {
List<ProcessInfo> processes = sysInfo.getAllProcesses();
if (verbose) {
out.println(MSG.getMsg(AgentI18NResourceKeys.NATIVE_PS_OUTPUT_VERBOSE_HEADER));
} else {
out.println(MSG.getMsg(AgentI18NResourceKeys.NATIVE_PS_OUTPUT_SHORT_HEADER));
}
for (ProcessInfo p : processes) {
if (verbose) {
out.println(
MSG.getMsg(
AgentI18NResourceKeys.NATIVE_PS_OUTPUT_VERBOSE,
p.getPid(),
p.getParentPid(),
p.getBaseName(),
Arrays.toString(p.getCommandLine())));
} else {
out.println(
MSG.getMsg(
AgentI18NResourceKeys.NATIVE_PS_OUTPUT_SHORT, p.getPid(), p.getName()));
}
}
} catch (Exception e) {
out.println(MSG.getMsg(AgentI18NResourceKeys.NATIVE_NOT_SUPPORTED));
}
break;
}
case 's':
{
if (!agent.isStarted()) {
SystemInfoFactory.shutdown();
SystemInfoFactory.disableNativeSystemInfo();
out.println(MSG.getMsg(AgentI18NResourceKeys.NATIVE_SHUTDOWN_DONE));
} else {
out.println(MSG.getMsg(AgentI18NResourceKeys.NATIVE_SHUTDOWN_FAILED_AGENT_STARTED));
}
break;
}
case 'v':
{
out.println(SystemInfoFactory.getNativeSystemInfoVersion());
break;
}
}
}
if ((getopt.getOptind() + 1) < args.length) {
out.println(MSG.getMsg(AgentI18NResourceKeys.HELP_SYNTAX_LABEL, getSyntax()));
}
return;
}
}
