//Need these for java operations
import java.io.*;
import java.util.*;

//Need classes from PTC's J.Link API
import com.ptc.cipjava.*;
import com.ptc.pfc.pfcSession.*;
import com.ptc.pfc.pfcWindow.*;
import com.ptc.pfc.pfcGlobal.*;
import com.ptc.pfc.pfcCommand.*;
import com.ptc.pfc.pfcExceptions.*;
import com.ptc.pfc.pfcArgument.*;
import com.ptc.pfc.pfcUI.*;
import com.ptc.pfc.pfcJLink.*; 

/**
 * This class is used to start the jlink application in Creo.
 * The name of the class has to appear in the protk.dat
 * under the java_app_class option.
 **/
public class Helper{
	private static Session curSession;
	
	public static void main (String [] args)
	{}
	
	/**=========================================================================
	* This method is called by proe upon starting a jlink application
	**/
	public static void start ()
	{
		try
		{	 
			//1. Get Session
			curSession = pfcGlobal.GetProESession(); 
			
			//2. Report to user tool is started up
			stringseq Messages = stringseq.create();
			Messages.set (0, "Starting...");
			curSession.UIDisplayMessage ("msg_helpertools.txt", 
				"Helper Tools Info: %0s.", Messages);
			
			//3. Register with the session a function which can be used
			curSession.RegisterTask  ("ReadFile", new ReadFileHelper (curSession));
			Messages.set (0, "...Read File Helper");
		}
		catch (jxthrowable x)
		{
			 printMsg ("Stop");
		}
	}
	
	/**=========================================================================
	* This method is used for cleanup and etc...called when the jlink application exits
	*/
	public static void stop (){
		printMsg ("Stop");
	}
	
	/**=========================================================================
	* This method prints a string to the standard output.
	*/
	public static void printMsg (String msg){
		System.out.println ("Helper: " + msg);
	}
}

//This is the helper
class ReadFileHelper extends com.ptc.pfc.pfcJLink.DefaultJLinkTaskListener
{
	Session session;  

	public ReadFileHelper(Session currentSession)
	{
		this.session = currentSession;
	}
	
	//OnExecute is the method that gets called to do something usefull
	public Arguments OnExecute (Arguments InputArguments)
	{
		try
		{
			//We're expecting 1 input argument containing the name
			//of a file in the working directory to read
			Argument myArg = InputArguments.get(0); 
			String myArgLabel = myArg.GetLabel ();
			ArgValue myArgVal = myArg.GetValue ();
			String myArgValStr = myArgVal.GetStringValue ();
			String FileToRead = session.GetCurrentDirectory() +myArgValStr;
			stringseq Messages = stringseq.create();
			Messages.set (0, myArgLabel+" read "+FileToRead);
			session.UIDisplayMessage ("msg_helpertools.txt", 
			    "Helper Tools Info: %0s.", Messages);
			session.UIClearMessage ();
			
			//Build return arguments as the file contents
			Arguments outArgs = Arguments.create (); 
			String listString = "";

			try
			{
				FileReader file = new FileReader(FileToRead);
				BufferedReader buffer = new BufferedReader(file);

				String line="";
				//Works ok for smaller files
				while((line=buffer.readLine())!=null)
				{
					listString+=line+"\n";
				}
				buffer.close();
			}
			catch(IOException e)
			{
				System.out.println ("problem");
				Messages.set (0, myArgLabel+" read problem "+FileToRead);
				session.UIDisplayMessage ("msg_helpertools.txt", 
				      "Helper Tools Info: %0s.", Messages);
				session.UIClearMessage ();
			}
			
			//Build arguments and append to the arguments collection
			ArgValue ResponseValue = pfcArgument.CreateStringArgValue(listString);
			Argument ResponseArg = pfcArgument.Argument_Create  ("Response", ResponseValue);
			outArgs.set (0, ResponseArg);
			return outArgs;
		}
		catch (Exception x)
		{
      			x.printStackTrace ();
      			System.out.println ("------------------------------------");
		}

		return null;
	}
}

@echo off
del C:\Helper\*.class
del C:\Helper\src\*.class
C:\java\jdk1.4.2.19\bin\javac C:\Helper\src\Helper.java
copy C:\Helper\src\*.class C:\Helper\*.class
del C:\Helper\src\*.class

%CIHelper Tools Info: %0s.
Helper Tools Info: %0s.
#
#

<HTML>
<HEAD><TITLE>Using J.Link Task Library</TITLE></HEAD>
<BODY>
<DIV id="UI"></DIV>
<SCRIPT>
if (!pfcIsIE())
{
	netscape.security.PrivilegeManager.enablePrivilege("UniverasalXPConnect");
}
libCheckEnvironment();

//Start up Helper App
var helpertoollocn = "C:\\Helper";
var helperapp = oSession.StartJLinkApplication("Helper","Helper","start","stop",
      helpertoollocn,helpertoollocn,false);

//Build up Input Arguments
var inputarg = pfcCreate("pfcArgument").Create("RequestDemo", 
      pfcCreate("MpfcArgument").CreateStringArgValue("trail.txt.1");
var inputargs = pfcCreate("pfcArguments");
inputargs.Append(inputarg);

//Request the task is executed using your provided arguments
var response = helperapp.ExecuteTask("ReadFile",inputargs);

//Process the arguments
var Out = "<H4>"+response.Item(0).Label+"</H4>";
Out+="<P>"+
      response.Item(0).Value.StringValue.split("\n").join("<BR>")+
      "</P>";
document.getElementById("UI").innerHTML = Out;

//ALWAYS stop the application
helperapp.Stop();


//===============
//Utility Functions
//===============
function libCheckEnvironment()
{
	try
	{
		if (!pfcIsIE())
		{
			netscape.security.PrivilegeManager.enablePrivilege("UniverasalXPConnect");
		}
		window.oSession = pfcCreate("MpfcCOMGlobal").GetProESession();
		oSession.CurrentWindow.SetBrowserSize(50);
	}
	catch(er)
	{
		alert ("Pro/Web.Link failed to initialise");
	}
}

function pfcIsIE()
{
	//IE8,9,10
	if (navigator.appName.indexOf("Microsoft")!=-1)
	{
		return true;
	}
	else
	{
		//IE11
		if (navigator.userAgent.indexOf("Trident")!=-1)
		{
			return true;
		}	
		else
		{
			return false;
		}
	}
}

function pfcCreate(className)
{
	if (!pfcIsIE())
	{
		netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
		return Components.classes["@ptc.com/pfc/"+className+";1"].createInstance();
	}
	else
	{
		return new ActiveXObject("pfc."+className);
	}
}

</SCRIPT>
</BODY>
</HTML>