Package org.eclipse.emf.common.archive

Class Handler

java.lang.Object

java.net.URLStreamHandler

org.eclipse.emf.common.archive.Handler

public class Handler
extends URLStreamHandler

A URL stream handler that can be registered to support archive access protocol. It uses ArchiveURLConnection to implement the connection.

Constructor Summary

Constructors

Constructor	Description
Handler()	Creates an instance.

Method Summary

Modifier and Type	Method	Description
static void	main(String[] args)	Registers this handler and interprets each argument as URL to be opened, read in, and written out to System.out.
protected URLConnection	openConnection(URL url)	Returns a new ArchiveURLConnection.
protected void	parseURL(URL url, String specification, int start, int limit)	Overrides parsing the URL to validate constraints on well formed archive syntax.
static void	register()	Registers this class.

Methods inherited from class java.net.URLStreamHandler

equals, getDefaultPort, getHostAddress, hashCode, hostsEqual, openConnection, sameFile, setURL, setURL, toExternalForm

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Handler

public Handler()

Creates an instance.

Method Details

register

public static void register()

Registers this class. A handler for protocol "xyz" is registered by providing a class named Handler implementing URLStreamHandler in a package called named xyz in a package of your choosing, and then registering that chosen prefix package name in the system property for "java.protocol.handler.pkgs", which is an "|" separated list of package prefixes to search for handlers.

main

public static void main(String[] args)
                 throws IOException

Registers this handler and interprets each argument as URL to be opened, read in, and written out to System.out.

Parameters:

args - URLs to open, read, and write to System.out

Throws:

IOException - if there are problems opening or reading from the URLs, or writing to System.out.

parseURL

protected void parseURL(URL url,
 String specification,
 int start,
 int limit)

Overrides parsing the URL to validate constraints on well formed archive syntax.

Overrides:

parseURL in class URLStreamHandler

See Also:

• URLStreamHandler.parseURL(java.net.URL, java.lang.String, int, int)

openConnection

protected URLConnection openConnection(URL url)
                                throws IOException

Returns a new ArchiveURLConnection.

Specified by:

openConnection in class URLStreamHandler

Throws:

IOException