Accessing a Variable declared in a Servlet from a bean

[Steve Dyke]

If I declare a variable in a servlet:

public static String drawingString2.

Then I have:

Drawing drawingString = Drawing.getDrawing(rdrawingnumber.drawingNumber);
String drawingString2 = drawingString.getDwgName()

Why do I get the empty or null value in my java class with this:

String fileDrawingString = DrawingInquiryServlet.drawingString2;
System.out.println(fileDrawingString);

[Bear Bibeault]

Please take the time to choose the correct forum for your posts. This forum is for questions on JSP.

This post has been moved to a more appropriate forum.
[ May 31, 2007: Message edited by: Bear Bibeault ]

[Bear Bibeault]

I was initially going to move this to the Java Beginner forum as learning how to use static variables is not a servlet issue... BUT...

Using static variables to share information in a multi-threaded environment such as a web application is a total recipe for disaster. Don't do it!

Please explain what you are trying to share, and what you want to share it with, and in what scope the sharing should take place so alternatives that will work can be suggested.
[ May 31, 2007: Message edited by: Bear Bibeault ]

[Steve Dyke]

Basically I need to upload a file and have the app give the file a name based on the drawing number the user is working on at the time.

My bean code which works great bu I want to programatically control the path/name of the file output:

package com.drawingpdmw1;
 
import java.io.*;
/**
 * @author sde
 */
public class filePush {
private byte[] fileString;

public filePush() {

}

public void setFileString(byte[] bytes) {
this.fileString = bytes;

try{
File ecnString = new File("C:\\sdetest.rtf");
boolean success = ecnString.createNewFile();
FileOutputStream fos = new FileOutputStream(ecnString);
fos.write(bytes);
fos.close();
System.out.println("NoError");

}
catch(IOException ioe){
System.out.println("Error");
}


}


}
    

My calling code is in a JSF page:

 
<c:if test="${pendingOther}">
<c:if test="${writerQue}">
<hx:fileupload styleClass="fileupload" id="fileupload1" value="#{fileBean.fileString}">
<hx:fileProp name="fileName" />
<hx:fileProp name="contentType" />
</hx:fileupload>
</c:if>
</c:if>