org.knopflerfish.framework
Class BundleURLStreamHandler

java.lang.Object
  java.net.URLStreamHandler
      org.knopflerfish.framework.BundleURLStreamHandler

public class BundleURLStreamHandler
extends java.net.URLStreamHandler

Bundle URL handling.

Field Summary

static java.lang.String	PERM_OK
static java.lang.String	PROTOCOL

Method Summary

protected boolean	equals(java.net.URL u1, java.net.URL u2) Equals calculation for bundle URLs.
protected java.net.InetAddress	getHostAddress(java.net.URL url)
protected int	hashCode(java.net.URL u) Provides the hash calculation
protected boolean	hostsEqual(java.net.URL u1, java.net.URL u2) Compares the host components of two URLs.
java.net.URLConnection	openConnection(java.net.URL u)
protected void	parseURL(java.net.URL u, java.lang.String s, int start, int limit)
protected boolean	sameFile(java.net.URL u1, java.net.URL u2) Compare two urls to see whether they refer to the same file, i.e., having the same protocol, host, port, and path.
protected java.lang.String	toExternalForm(java.net.URL url) Converts a bundle URL to a String.

Methods inherited from class java.net.URLStreamHandler

getDefaultPort, openConnection, setURL, setURL

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

PERM_OK

public static final java.lang.String PERM_OK

See Also:

Constant Field Values

Method Detail

openConnection

public java.net.URLConnection openConnection(java.net.URL u)

Specified by:

openConnection in class java.net.URLStreamHandler

parseURL

protected void parseURL(java.net.URL u,
                        java.lang.String s,
                        int start,
                        int limit)

Overrides:

parseURL in class java.net.URLStreamHandler

equals

protected boolean equals(java.net.URL u1,
                         java.net.URL u2)

Equals calculation for bundle URLs.

Overrides:

equals in class java.net.URLStreamHandler

Returns:

true if the two urls are considered equal, ie. they refer to the same fragment in the same file.

hashCode

protected int hashCode(java.net.URL u)

Provides the hash calculation

Overrides:

hashCode in class java.net.URLStreamHandler

Returns:

an int suitable for hash table indexing

sameFile

protected boolean sameFile(java.net.URL u1,
                           java.net.URL u2)

Compare two urls to see whether they refer to the same file, i.e., having the same protocol, host, port, and path.

Overrides:

sameFile in class java.net.URLStreamHandler

Returns:

true if u1 and u2 refer to the same file

hostsEqual

protected boolean hostsEqual(java.net.URL u1,
                             java.net.URL u2)

Compares the host components of two URLs.

Overrides:

hostsEqual in class java.net.URLStreamHandler

Parameters:

u1 - the URL of the first host to compare

u2 - the URL of the second host to compare

Returns:

true if and only if they are equal, false otherwise.

toExternalForm

protected java.lang.String toExternalForm(java.net.URL url)

Converts a bundle URL to a String.

Overrides:

toExternalForm in class java.net.URLStreamHandler

Parameters:

url - the URL.

Returns:

a string representation of the URL.

getHostAddress

protected java.net.InetAddress getHostAddress(java.net.URL url)

Overrides:

getHostAddress in class java.net.URLStreamHandler