libcore.net.url

Class FileHandler

java.lang.Object

java.net.URLStreamHandler

libcore.net.url.FileHandler

public class FileHandler
extends URLStreamHandler

This is the handler that is responsible for reading files from the file system.

Constructor Summary

Constructors

Constructor and Description
FileHandler()

Method Summary

Modifier and Type	Method and Description
URLConnection	openConnection(URL url) Returns a connection to the a file pointed by this URL in the file system
URLConnection	openConnection(URL url, Proxy proxy) The behavior of this method is the same as openConnection(URL).
protected void	parseURL(URL url, String spec, int start, int end) Parse the stringstr into URL u which already have the context properties.

Methods inherited from class java.net.URLStreamHandler

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

Methods inherited from class java.lang.Object

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

Constructor Detail

FileHandler

public FileHandler()

Method Detail

openConnection

public URLConnection openConnection(URL url)
                             throws IOException

Returns a connection to the a file pointed by this URL in the file system

Specified by:

openConnection in class URLStreamHandler

Parameters:

url - URL The URL to which the connection is pointing to

Returns:

A connection to the resource pointed by this url.

Throws:

IOException - if an I/O error occurs during opening the connection.

openConnection

public URLConnection openConnection(URL url,
                                    Proxy proxy)
                             throws IOException

The behavior of this method is the same as openConnection(URL). proxy is not used in FileURLConnection.

Overrides:

openConnection in class URLStreamHandler

Parameters:

url - the URL which the connection is pointing to

proxy - Proxy

Returns:

a connection to the resource pointed by this url.

Throws:

IOException - if this handler fails to establish a connection.

IllegalArgumentException - if the url argument is null.

UnsupportedOperationException - if the protocol handler doesn't support this method.

parseURL

protected void parseURL(URL url,
                        String spec,
                        int start,
                        int end)

Parse the stringstr into URL u which already have the context properties. The string generally have the following format: /c:/windows/win.ini.

Overrides:

parseURL in class URLStreamHandler

Parameters:

url - The URL object that's parsed into

spec - The string equivalent of the specification URL

start - The index in the spec string from which to begin parsing

end - The index to stop parsing

See Also:

URLStreamHandler.toExternalForm(URL), URL