Hi,
I am writing a C# program and want to run a java application and pass it a
filename as a parameter. I want to be able to write a method in C# that
will run this Java app for me. Eg. I want to run the following command:
java MyApplication filename.extens ion
Can anyone help me?
Many thanks,
David. 6 9134
David <no*@vailable.c om> wrote: I am writing a C# program and want to run a java application and pass it a filename as a parameter. I want to be able to write a method in C# that will run this Java app for me. Eg. I want to run the following command:
java MyApplication filename.extens ion
Can anyone help me?
Sure - look at the System.Diagnost ics.Process and ProcessStartInf o
classes. The "about" page for ProcessStartInf o gives a good example.
--
Jon Skeet - <sk***@pobox.co m> http://www.pobox.com/~skeet
If replying to the group, please do not mail me too
Thanks for that Jon,
I have written the following code, but I am having a few problems. Does the
java program need to be an executable to run or is there any way I can
simply run a "java program_name" style command?
using System;
using System.Diagnost ics;
using System.Componen tModel;
namespace MyProcessSample {
public class MyProcess{
public static void Main(){
try{
MyProcess myProcess = new MyProcess();
Process.Start(" java XMLParse filename.txt"); }
catch(Exception e){
Console.WriteLi ne(e); }
}
}
}
Cheers,
David.
"Jon Skeet [C# MVP]" <sk***@pobox.co m> wrote in message
news:MP******** *************** *@msnews.micros oft.com... David <no*@vailable.c om> wrote: I am writing a C# program and want to run a java application and pass it
a filename as a parameter. I want to be able to write a method in C# that will run this Java app for me. Eg. I want to run the following command:
java MyApplication filename.extens ion
Can anyone help me?
Sure - look at the System.Diagnost ics.Process and ProcessStartInf o classes. The "about" page for ProcessStartInf o gives a good example.
-- Jon Skeet - <sk***@pobox.co m> http://www.pobox.com/~skeet If replying to the group, please do not mail me too
David <no*@vailable.c om> wrote: Thanks for that Jon, I have written the following code, but I am having a few problems. Does the java program need to be an executable to run or is there any way I can simply run a "java program_name" style command?
using System; using System.Diagnost ics; using System.Componen tModel;
namespace MyProcessSample {
public class MyProcess{
public static void Main(){ try{ MyProcess myProcess = new MyProcess(); Process.Start(" java XMLParse filename.txt"); } catch(Exception e){ Console.WriteLi ne(e); } } } }
Well, what problems are you having? Is it managing to find Java to
start with?
Rather than use the version of Process.Start which takes a single
string parameter, I suggest you use the version which takes two
parameters - one for the executable and one for the arguments.
From the documentation for the version you called:
<quote>
This overload does not allow command-line arguments for the process.
</quote>
--
Jon Skeet - <sk***@pobox.co m> http://www.pobox.com/~skeet
If replying to the group, please do not mail me too
Thanks Jon,
I took your advice and I run a batch file now instead of "java myApp" and
use the double parameter method.
Cheers for your help,
David.
"Jon Skeet [C# MVP]" <sk***@pobox.co m> wrote in message
news:MP******** *************** *@msnews.micros oft.com... David <no*@vailable.c om> wrote: Thanks for that Jon, I have written the following code, but I am having a few problems. Does
the java program need to be an executable to run or is there any way I can simply run a "java program_name" style command?
using System; using System.Diagnost ics; using System.Componen tModel;
namespace MyProcessSample {
public class MyProcess{
public static void Main(){ try{ MyProcess myProcess = new MyProcess(); Process.Start(" java XMLParse filename.txt"); } catch(Exception e){ Console.WriteLi ne(e); } } } }
Well, what problems are you having? Is it managing to find Java to start with?
Rather than use the version of Process.Start which takes a single string parameter, I suggest you use the version which takes two parameters - one for the executable and one for the arguments.
From the documentation for the version you called:
<quote> This overload does not allow command-line arguments for the process. </quote>
-- Jon Skeet - <sk***@pobox.co m> http://www.pobox.com/~skeet If replying to the group, please do not mail me too
David <no*@vailable.c om> wrote: I took your advice and I run a batch file now instead of "java myApp" and use the double parameter method.
Hang on though - I certainly didn't suggest a batch file! That strikes
me as horribly ugly. Just use the double parameter method with "java"
as the first parameter and "XMLParse filename.txt" as the second
parameter.
--
Jon Skeet - <sk***@pobox.co m> http://www.pobox.com/~skeet
If replying to the group, please do not mail me too
Sorted it, I've done away with the batch file.
Thanks Jon, you MVP's are great :-)
"Jon Skeet [C# MVP]" <sk***@pobox.co m> wrote in message
news:MP******** *************** *@msnews.micros oft.com... David <no*@vailable.c om> wrote: I took your advice and I run a batch file now instead of "java myApp"
and use the double parameter method.
Hang on though - I certainly didn't suggest a batch file! That strikes me as horribly ugly. Just use the double parameter method with "java" as the first parameter and "XMLParse filename.txt" as the second parameter.
-- Jon Skeet - <sk***@pobox.co m> http://www.pobox.com/~skeet If replying to the group, please do not mail me too This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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