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MySteam web or file reader (transport demo)
Servlets in More Detail example from a Well House Consultants training course
More on Servlets in More Detail [link]

This example is described in the following article(s):
   • A Java servlet that is also a stand alone program. And a server that is also a web client. - [link]

This example references the following resources:
http://www.wellho.net/data/stars.txt

Source code: MyStream.java Module: J906
/* MyStream data reader for Stations
*/


package transport;

import java.io.*;
import java.net.*;

public class MyStream {
        BufferedReader Source;
        String Refname;
        String webfolder;
        public MyStream (String name) {
                        Source = null;
                        webfolder = null;
                try {
                        Source = new BufferedReader(new FileReader(name));
                        Refname = name;
                        webfolder = "file://";
                } catch (Exception e) {
                }
        } // http://www.wellho.net/data/stars.txt
        public MyStream (String name, String webfolder) {
                        Source = null;
                try {
                        Source = new BufferedReader(
                                 new InputStreamReader(
                                 (new URL(webfolder + "/" + name)).openStream()));
                        Refname = name;
                        this.webfolder = webfolder;
                } catch (Exception e) {
                }
        }
        public String readLine() {
                try {
                        return Source.readLine();
                } catch (Exception e) {
                        return null;
                }
        }

}
Learn about this subject
This module and example are covered on the following public courses:
 * Learning to Program in Java
 * Java Bootcamp
 * Java Programming for the Web
Also available on on site courses for larger groups

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Other Examples
This example comes from our "Servlets in More Detail" training module. You'll find a description of the topic and some other closely related examples on the "Servlets in More Detail" module index page.

Full description of the source code
You can learn more about this example on the training courses listed on this page, on which you'll be given a full set of training notes.

Many other training modules are available for download (for limited use) from our download centre under an Open Training Notes License.

Other resources
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This is a sample program, class demonstration or answer from a training course. It's main purpose is to provide an after-course service to customers who have attended our public private or on site courses, but the examples are made generally available under conditions described below.

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