Re: [tcljava-user] How does java interact with tcl?

[Patrick F. <fin...@gm...>]

Mallick...............


What was the Jacl implementation; application? utility?  Any reason for not
writing the implementation in pure java?




2008/7/7 mallick choppa <mal...@ya...>:

> Hi ,
> We have rewritten the tcl.lang.Shell to our need , so it works for us. The
> in/out streams are by default STDIN and STDOUT which does not solve our
> requirement , so we have written a simple client (reads/writes) in socket .
> the stdin and stdout is replaced with socket input stream and output stream.
>
> hope this helps
> Mallick
>
>
>
> ----- Original Message ----
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> tcl...@li...>
> To: tcl...@li...
> Sent: Sunday, June 15, 2008 12:39:32 AM
> Subject: tcljava-user Digest, Vol 23, Issue 4
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> Today's Topics:
>
>   1. Q. How does java interact with tcl? (Kim,Younghun)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sat, 14 Jun 2008 11:52:01 +0900
> From: "Kim,Younghun" <mys...@ic...>
> Subject: [tcljava-user] Q. How does java interact with tcl?
> To: <tcl...@li...>
> Message-ID: <000401c8cdc9$9eb4f8c0$dc1eea40$@ac.kr>
> Content-Type: text/plain; charset="us-ascii"
>
> Hello dear ,
>
>
>
> First at all, I'm not sure my question is proper or not to this topic. But,
> I'm considering I should use Tcljava. Because I ask to here.
>
>
>
> I'm doing a project. In this project I'm making simple java program which
> can interact with "tclsh". Java program is designed originally without
> tclblend and jacl. In my idea, java can call the "tclsh" by using
> 'ProcessBuilder' class. It then gets input/error/ouput-streams of tclsh. If
> I handle these three-stream, I may be able to handle tclsh through
> java-program.(sample source code is attached below) This is my idea but, it
> doesn't work. I think I couldn't get these streams. Anyway while
> processbuilder are handling tclsh, tclsh process is working on system.
>
>
>
> I guess tclsh, I guess this is a kind of shell, uses own shell, so java
> cannot intercept IO streams of it.
>
>
>
> How do you think of this problem?
>
>
>
> Is there any solution? or
>
> If do I use the TclBlend, can I obtain way to solve this problem?
>
> If you have any experience or comment, please let me know.
>
>
>
> I'm working with:
>
> Tcl version is ActiveTcl 8.4.
>
> I'm using java sdk 6
>
> And I tried test based on windows and linux both.
>
>
>
> Thank you.
>
> Best regards
>
>
>
>
>
> import java.io.BufferedReader;
>
> import java.io.BufferedWriter;
>
> import java.io.File;
>
> import java.io.IOException;
>
> import java.io.InputStreamReader;
>
> import java.io.OutputStreamWriter;
>
>
>
> public class TclExcuter {
>
>             public Process oProcess;
>
>             BufferedReader reader;
>
>             BufferedWriter writer;
>
>
>
>             public TclExcuter(String[] args) {
>
>             }
>
>
>
>             public TclExcuter(String args) {
>
>             }
>
>
>
>             public TclExcuter() {
>
>                           this.runTcl();
>
>             }
>
>
>
>             private String runTcl() {
>
>                           String result = "";
>
>                           String tmp;
>
>
>
>                           try {
>
>                                        /*  over the java version 1.5 */
>
>                                        ProcessBuilder pb =new
> ProcessBuilder("cmd","/y","/c","tclsh");
>
>                                        pb = pb.directory(new File("C:\\"));
>
>                                        pb = pb.redirectErrorStream(true);
>
>                                        oProcess = pb.start();
>
>
>
>                                        reader = new BufferedReader(new
> InputStreamReader(oProcess.getInputStream()));
>
>                                        writer = new BufferedWriter(new
> OutputStreamWriter(oProcess.getOutputStream()));
>
>                           } catch (IOException e) {
>
>                                        e.printStackTrace();
>
>                           }
>
>                           return result;
>
>             }
>
>
>
>             public BufferedReader getReader() {
>
>                           return reader;
>
>             }
>
>
>
>             public BufferedWriter getWriter() {
>
>                           return writer;
>
>             }
>
> }
>
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