[3054] in java-interest
No subject found in mail header
daemon@ATHENA.MIT.EDU (Mohamed Bazzi)
Fri Oct 27 20:08:55 1995
From: bazzi@rennes.enst-bretagne.fr (Mohamed Bazzi)
Date: Fri, 27 Oct 1995 23:26:04 +0100
Apparently-To: java-interest@java.Eng.Sun.COM
Hello,
My purpose is to write an applet to get a remote file. And to create an
local entry. The URL of the file is given in a HTML page as parameter.
Here is the applet :
import java.applet.Applet;
import java.net.URL;
import java.io.InputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.*;
public class WBTest extends java.applet.Applet {
String StrUrl;
URL Nurl;
public void init() {
StrUrl = getParameter("pt");
/* please see the HTML page below */
resize(500,20);
}
public void start() {
System.out.println(StrUrl);
Nurl = new URL(StrUrl);
System.out.println("Nurl");
InputStream is = Nurl.openStream();
System.out.println("is");
int cpt = is.read();
System.out.println("cpt");
/* at that stage "cpt" not displayed, so the read operation has failled */
File f = new File("/usr/tmp","bocage.donnees");
FileOutputStream fis = new FileOutputStream(f);
while (cpt != -1) {
System.out.println("cpt");
fis.write(cpt);
cpt = is.read();
}
}
}
Here is the HTML page :
<HTML>
<HEAD>
<TITLE>FILE MANIPULATION</TITLE>
</HEAD>
<BODY>
HERE IS THE OUTPUT OF MY PROGRAM:
<APPLET CODE="WBTest.class" WIDTH=150 HEIGHT=25>
<param name= pt value="http://bloodmoney/cours_c">
</APPLET>
</BODY>
</HTML>
bloodmoney is the name of the server, and cours_c is the name of the file.
When i run the applet with appletviewer i had the following message :
Thread-5 find class WBTest
Opening stream to: file:/homes/bazzi/.www/WBTest.class to get WBTest
http://bloodmoney/cours_c
Nurl
*** Security Exception: socket.connect:->bloodmoney ***
sun.applet.AppletSecurityException security.socket.connect: ->bloodmoney
at java.lang.Throwable.<init>(Throwable.java)
at java.lang.Exception.<init>(Exception.java)
at java.lang.RuntimeException.<init>(RuntimeException.java)
at java.lang.SecurityException.<init>(SecurityException.java)
at sun.applet.AppletSecurityException.<init>(AppletSecurityException.java:36)
at sun.applet.AppletSecurity.checkConnect(AppletSecurity.java:299)
at sun.applet.AppletSecurity.checkConnect(AppletSecurity.java:271)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:100)
at sun.net.www.http.HttpClient.get(HttpClient.java:225)
at sun.net.www.http.HttpClient.handleUrl(HttpClient.java:423)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:452)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:56)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:124)
at java.net.URL.openStream(URL.java)
at WBTest.start(WBTest.java:25)
at sun.applet.AppletPanel.run(AppletPanel.java:268)
at java.lang.Thread.run(Thread.java)
I have done the same with a stand-alone application and it works well, here the program :
import java.applet.Applet;
import java.net.URL;
import java.io.InputStream;
import java.io.File;
import java.io.FileOutputStream;
public class Test2WB {
String StrUrl = "http://bloodmoney/cours_c";
URL Nurl;
public void ecrire() {
Nurl = new URL(StrUrl);
InputStream is = Nurl.openStream();
System.out.println(StrUrl);
int cpt = is.read();
System.out.println("cpt");
File f = new File("/usr/tmp","cours_c");
FileOutputStream fis = new FileOutputStream(f);
while (cpt != -1) {
fis.write(cpt);
cpt = is.read();
System.out.println("cpt");
}
}
public static void main(String args[]) {
Test2WB wb = new Test2WB();
wb.ecrire();
}
}
Thanks to show me what's wrong with the applet.
-
This message was sent to the java-interest mailing list
Info: send 'help' to java-interest-request@java.sun.com
