Hi there!
Here is an excerpt from my code. I'm working with a server/client pair. the server
gets all the necessary information and data from the database on request from the
client. then the vrml file should be sent right through the stream to the client which
has to work as an applet. The problem is that the stream only seems to pass an url
that points to E:\Apache\apache\3dc\BBEARING.wrl
But the BaseURL is http:\\localhost\3dc\BBEARING.wrl.
This of course gives me a Permission Exception for pointing to E:\....
I want to put the file into the stream as a whole, so i don't have to care, because as
long as i simply read from a stream that contains the file, i won't get any exceptions.
Thanks for any help :-)
Here is my code.
The Serverside:
---------------------------------------------------------
.............
try {
clientSocket = serverSocket.accept();
in = new DataInputStream(clientSocket.getInputStream());
out = new ObjectOutputStream(clientSocket.getOutputStream());
proto = in.readLine();
if (proto.matches("loadCatalog")) {
System.out.println(s);
try {
//Datenbankanruf
DBM = new DatabaseManager();
//load Catalog
DBM.loadCatalog("jdbc:odbc:testdsn");
System.out.println("Number of entries:"
+ DBM.getCatalog().getCatalogData().size());
out.writeObject(DBM.getCatalog());
} catch (Exception e) {System.out.println(e.toString());}
}
else
if (proto.startsWith("loadModel")) {
//**************************************************************************
String fileURL =
proto.substring(proto.lastIndexOf("http://";),proto.length());
System.out.println(fileURL);
String base = fileURL.substring(fileURL.lastIndexOf("/3dc"),
fileURL.length());
System.out.println(base);
File f = new File("E:/apache/Apache/htdocs"+base);
FileInputStream fo = new FileInputStream(f);
out.writeObject(f);
out.close();
}
//**************************************************************************
}catch(Exception e) {System.out.println("Has problem: " + e.toString());}
}
}
..........................
The clientside:
--------------------------------------------------------------
public void getContent() {
try {
//create Socket
clientSocket = new Socket(InetAddress.getLocalHost(), 1234);
out = new DataOutputStream(clientSocket.getOutputStream());
in = new ObjectInputStream(clientSocket.getInputStream());
}
catch (UnknownHostException e) {System.err.println("Don't know host");}
catch (IOException e) {
System.err.println("Couldn't get I/O for the connection");
}
if (clientSocket != null && out != null && in != null) {
try {
//write message
out.writeBytes("loadModel"+sourceURL+"\n");
//**************************************************************************
new Thread() {
public void run() {
try {
f = (File) in.readObject();
FileReader fr = new FileReader(f);
FileInputStream fis = new FileInputStream(f);
ProgressMonitorInputStream monitor =
new ProgressMonitorInputStream(ModelLoader.this,"Reading... ", fis);
monitor.getProgressMonitor().setMillisToDecideToPopup(0);
monitor.getProgressMonitor().setMillisToPopup(0);
monitor.getProgressMonitor().setMinimum(0);
monitor.getProgressMonitor().setNote("Model wird geladen");
ProgressMonitor progressMonitor = monitor.getProgressMonitor();
InputStreamReader is = new InputStreamReader(monitor);
loader.setBaseUrl(Url);
System.out.println("The BaseURL is: " + Url);
scene = loader.load(is);
fis.close();
is.close();
//updates canvas with new Scene
canvas.updateScene(scene);
cont.update();
this.stop();
in.close();
}
catch (Exception e) {System.out.println(e.toString());}
}
}.start();
//**************************************************************************
}
catch (UnknownHostException e) {
System.err.println("Trying to connect to unknown host: " + e);
}
catch (IOException e) {
System.err.println("IOException: " + e);
}
}
}
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