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package org.eclipse.cdt.internal.core.win32;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.StreamTokenizer;
import java.util.ArrayList;
import org.eclipse.cdt.core.IProcessInfo;
import org.eclipse.cdt.core.IProcessList;
import org.eclipse.cdt.utils.spawner.ProcessFactory;
/*
* Currently this will only work for Windows XP since tasklist
* is only shipped on XP. This could change to some JNI
* call out to get the list since the source to 'tlist' is
* on the msdn web site but that can be done later.
*/
public class ProcessList implements IProcessList {
private final int NAME = 1;
private final int PID = 2;
private final int OTHER = 3;
public IProcessInfo[] getProcessList() {
String OS = System.getProperty("os.name").toLowerCase();
Process p = null;
String command = null;
InputStream in = null;
if ((OS.indexOf("windows xp") > -1)) {
command = "tasklist /fo csv /nh /svc";
} else {
return new IProcessInfo[0];
}
try {
p = ProcessFactory.getFactory().exec(command);
}
catch (IOException e) {
return null;
}
in = p .getInputStream();
InputStreamReader reader = new InputStreamReader(in);
StreamTokenizer tokenizer = new StreamTokenizer(reader);
tokenizer.eolIsSignificant(true);
tokenizer.parseNumbers();
boolean done = false;
ArrayList processList = new ArrayList();
String name = null;
int pid = 0, token_state = NAME;
while( !done ) {
try {
switch ( tokenizer.nextToken() ) {
case StreamTokenizer.TT_EOL:
if ( name != null ) {
processList.add(new ProcessInfo(pid, name));
name = null;
}
break;
case StreamTokenizer.TT_EOF:
done = true;
break;
case '"':
switch ( token_state ) {
case NAME:
name = tokenizer.sval;
token_state = PID;
break;
case PID:
try {
pid = Integer.parseInt(tokenizer.sval);
} catch (NumberFormatException e ) {
name = null;
}
token_state = OTHER;
break;
case OTHER:
token_state = NAME;
break;
}
break;
}
}
catch (IOException e) {
}
}
return (IProcessInfo[]) processList.toArray(new IProcessInfo[processList.size()]);
}
}
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