org.knopflerfish.framework
Class ReferenceURLStreamHandler

java.lang.Object
  extended by java.net.URLStreamHandler
      extended by org.knopflerfish.framework.ReferenceURLStreamHandler

public class ReferenceURLStreamHandler
extends java.net.URLStreamHandler

Reference URL handling, used for accepting file: references. Accepts URLs on the form

  reference:file URL]
 
Where [file URL] is any valid file: URL.

openConnection simply returns the URLConnection created by removing the reference: prefix.


Field Summary
static java.lang.String PROTOCOL
           
 
Method Summary
protected static java.lang.String getActual(java.net.URL u)
          Get the actual URL string represented by the specified reference: URL.
 java.net.URLConnection openConnection(java.net.URL url)
           
 
Methods inherited from class java.net.URLStreamHandler
equals, getDefaultPort, getHostAddress, hashCode, hostsEqual, openConnection, parseURL, sameFile, setURL, setURL, toExternalForm
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

PROTOCOL

public static final java.lang.String PROTOCOL
See Also:
Constant Field Values
Method Detail

openConnection

public java.net.URLConnection openConnection(java.net.URL url)
                                      throws java.io.IOException
Specified by:
openConnection in class java.net.URLStreamHandler
Throws:
java.io.IOException - if the specified URL is not a reference to a file: URL

getActual

protected static java.lang.String getActual(java.net.URL u)
Get the actual URL string represented by the specified reference: URL.

Throws:
java.lang.IllegalArgumentException - if the specified URL does not have a reference: protocol.