java.lang.Runtime Java Examples

The following examples show how to use java.lang.Runtime. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: EnvInfo.java    From spring-rest with Apache License 2.0 6 votes vote down vote up 
final

  public static Map<String,String> mapEnvInfo(String filter) throws IOException {
      Process proc = Runtime.getRuntime().exec("env");
      Map<String, String> ret = new HashMap<>();
            try (InputStream stream = proc.getInputStream()) {
          try (Scanner s = new Scanner(stream).useDelimiter("\\n")) {
        	  while (s.hasNext())
        	  {
                  String val =  s.next();
                  String[] nameVal = val.split("=");
                  if (filter.equalsIgnoreCase("*"))
                	  ret.put(nameVal[0],nameVal.length > 1 ? nameVal[1] : "");
                  else
                  {
                	  if (nameVal[0].startsWith(filter))
                	  {
                    	  ret.put(nameVal[0],nameVal.length > 1 ? nameVal[1] : "");
                	  }
                  }
                  
        	  }
          } 
      } 
      return ret;
  }
Example #2
Source File: ProcessManager.java    From jdk9-jigsaw with Creative Commons Zero v1.0 Universal 6 votes vote down vote up 
public List<String> allProcesses() {
	List<String> processes = new LinkedList<String>();
	try {
	    String line;
	    Process p = null;
	    if(System.getProperty("os.name").toLowerCase().contains("win")) {
		    p = Runtime.getRuntime().exec
		    	    (System.getenv("windir") +"\\system32\\"+"tasklist.exe");
	    } else {
		    p = Runtime.getRuntime().exec("ps -e");
	    }
	    BufferedReader input =
	            new BufferedReader(new InputStreamReader(p.getInputStream()));
	    while ((line = input.readLine()) != null) {
	    	processes.add(line);
	    }
	    input.close();
	} catch (Exception err) {
	    err.printStackTrace();
	}
	
	return processes;
}
Example #3
Source File: CubeSim.java    From SoftwarePilot with MIT License 5 votes vote down vote up 
void getPosition(String startPic){
    System.out.println("##############"+startPic);
    try{
        String cmd = "bash ../externalModels/python/3dPosition/run3d.sh "+startPic;
        Process p = Runtime.getRuntime().exec(cmd);
        BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
        x = Integer.parseInt(in.readLine().split("=")[1]);
        y = Integer.parseInt(in.readLine().split("=")[1]);
        z = Integer.parseInt(in.readLine().split("=")[1]);
        gimbal = Integer.parseInt(in.readLine().split("=")[1]);
    } catch(Exception e){
        e.printStackTrace();
    }
    if(x == 0) {
        Rmoves[0] = 0;
        Lmoves[0] = 1;
    } else {
        Lmoves[0] = 0;
        Rmoves[0] = 1;
    } if(z == 0) {
        Rmoves[2] = 0;
        Lmoves[2] = 1;
    } else {
        Lmoves[2] = 0;
        Rmoves[2] = 1;
    } if(y == 0) {
        Rmoves[1] = 0;
        Lmoves[1] = 2;
    } else if(y == 1) {
        Rmoves[1] = 1;
        Lmoves[1] = 1;
    } else {
        Rmoves[1] = 2;
        Lmoves[1] = 0;
    }
}
Example #4
Source File: CubeSim.java    From SoftwarePilot with MIT License 5 votes vote down vote up 
public String driver_movt(String directory)
{
    File CubeDir = new File(directory);
    File[] listOfFiles = CubeDir.listFiles();
    int tx,ty,tz,tgimbal;
    for(File f : listOfFiles){
        try {
            System.out.println(f.getName());
            String cmd = "bash ../externalModels/python/3dPosition/run3d.sh "+directory+"/"+f.getName();
            Process p = Runtime.getRuntime().exec(cmd);
            BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
            tx = Integer.parseInt(in.readLine().split("=")[1]);
            ty = Integer.parseInt(in.readLine().split("=")[1]);
            tz = Integer.parseInt(in.readLine().split("=")[1]);
            tgimbal = Integer.parseInt(in.readLine().split("=")[1]);
            System.out.println(x+" "+y+" "+z+" "+gimbal);
            System.out.println(tx+" "+ty+" "+tz+" "+tgimbal);
            if(x == tx && y == ty && z == tz && (gimbal == -tgimbal || gimbal == tgimbal)){
                return directory + "/"+f.getName();
            }
        } catch(Exception e){
            e.printStackTrace();
        }
    }
    System.out.println("Return Null");
    return "";
}
Example #5
Source File: HostInfo.java    From spring-rest with Apache License 2.0 5 votes vote down vote up 
public static String execReadToString(String execCommand) throws IOException {
    Process proc = Runtime.getRuntime().exec(execCommand);
    try (InputStream stream = proc.getInputStream()) {
        try (Scanner s = new Scanner(stream).useDelimiter("\\A")) {
            return s.hasNext() ? s.next() : "";
        }
    }
}
Example #6
Source File: derbyrunjartest.java    From gemfirexd-oss with Apache License 2.0 5 votes vote down vote up 
private static void runtool(jvm jvm, String loc, String[] args)
    throws IOException
{
    System.out.println(concatenate(args) + ':');

    if (jvm == null) {
        com.pivotal.gemfirexd.internal.iapi.tools.run.main(args);
        return;
    }

    Vector cmd = jvm.getCommandLine();
    cmd.addElement("-jar");
    cmd.addElement(loc);
    for (int i=0; i < args.length; i++) {
        cmd.addElement(args[i]);
    }
    String command = concatenate((String[]) cmd.toArray(new String[0]));

    Process pr = null;

    try
    {
        pr = Runtime.getRuntime().exec(command);
        BackgroundStreamSaver saver = 
                    new BackgroundStreamSaver(pr.getInputStream(), System.out);
        saver.finish();
        pr.waitFor();
        pr.destroy();
    } catch(Throwable t) {
        System.out.println("Process exception: " + t.getMessage());
        if (pr != null)
        {
            pr.destroy();
            pr = null;
        }
    }
}
Example #7
Source File: derbyrunjartest.java    From gemfirexd-oss with Apache License 2.0 4 votes vote down vote up 
private static void runtool(jvm jvm, String loc, String[] args)
    throws IOException
{
    System.out.println(concatenate(args) + ':');

    if (jvm == null) {
        com.pivotal.gemfirexd.internal.iapi.tools.run.main(args);
        return;
    }

    Vector cmd = jvm.getCommandLine();
    cmd.addElement("-jar");
    cmd.addElement(loc);
    for (int i=0; i < args.length; i++) {
        cmd.addElement(args[i]);
    }
    String command = concatenate((String[]) cmd.toArray(new String[0]));

    Process pr = null;

    try
    {
        pr = Runtime.getRuntime().exec(command);
        BackgroundStreamSaver saver = 
                    new BackgroundStreamSaver(pr.getInputStream(), System.out);
        saver.finish();
        pr.waitFor();
        pr.destroy();
    } catch(Throwable t) {
        System.out.println("Process exception: " + t.getMessage());
        if (pr != null)
        {
            pr.destroy();
            pr = null;
        }
    }
}
Example #8
Source File: RNDeviceModule.java    From react-native-device-info with MIT License 4 votes vote down vote up 
@ReactMethod(isBlockingSynchronousMethod = true)
public int getUsedMemorySync() {
  Runtime rt = Runtime.getRuntime();
  long usedMemory = rt.totalMemory() - rt.freeMemory();
  return (int)usedMemory;
}
Example #9
Source File: RNDeviceModule.java    From react-native-device-info with MIT License 4 votes vote down vote up 
@ReactMethod(isBlockingSynchronousMethod = true)
public double getMaxMemorySync() { return (double)Runtime.getRuntime().maxMemory(); }