org.eclipse.jetty.util.resource

Class FileResource

java.lang.Object

org.eclipse.jetty.util.resource.Resource

org.eclipse.jetty.util.resource.URLResource

org.eclipse.jetty.util.resource.FileResource

All Implemented Interfaces:

ResourceFactory

public class FileResource
extends URLResource

File Resource. Handle resources of implied or explicit file type. This class can check for aliasing in the filesystem (eg case insensitivity). By default this is turned on, or it can be controlled by calling the static method @see FileResource#setCheckAliases(boolean)

Field Summary

Fields inherited from class org.eclipse.jetty.util.resource.URLResource

_connection, _in, _url, _urlString

Fields inherited from class org.eclipse.jetty.util.resource.Resource

__defaultUseCaches

Constructor Summary

Constructors

Constructor and Description
FileResource(URL url)

Method Summary

Methods

Modifier and Type	Method and Description
Resource	addPath(String path) Returns the resource contained inside the current resource with the given name
void	copyTo(File destination)
boolean	delete() Deletes the given resource
String	encode(String uri) Encode according to this resource type.
boolean	equals(Object o)
boolean	exists() Returns true if the resource exists.
URL	getAlias()
File	getFile() Returns an File representing the given resource or NULL if this is not possible.
InputStream	getInputStream() Returns an input stream to the resource
String	getName() Returns the name of the resource
ReadableByteChannel	getReadableByteChannel() Returns an readable bytechannel to the resource or null if one is not available.
int	hashCode()
boolean	isDirectory() Returns true if the respresenetd resource is a container/directory.
long	lastModified() Returns the last modified time
long	length() Return the length of the resource
String[]	list() Returns a list of resources contained in the given resource
boolean	renameTo(Resource dest) Rename the given resource

Methods inherited from class org.eclipse.jetty.util.resource.URLResource

checkConnection, getURL, getUseCaches, isContainedIn, release, toString

Methods inherited from class org.eclipse.jetty.util.resource.Resource

finalize, getAssociate, getDefaultUseCaches, getListHTML, getResource, getURI, getWeakETag, isContainedIn, newClassPathResource, newClassPathResource, newResource, newResource, newResource, newResource, newResource, newSystemResource, setAssociate, setDefaultUseCaches, toURL, writeTo

Methods inherited from class java.lang.Object

clone, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

FileResource

public FileResource(URL url)
             throws IOException,
                    URISyntaxException

Throws:

IOException

URISyntaxException

Method Detail

addPath

public Resource addPath(String path)
                 throws IOException,
                        MalformedURLException

Description copied from class: URLResource

Returns the resource contained inside the current resource with the given name

Overrides:

addPath in class URLResource

Parameters:

path - The path segment to add, which should be encoded by the encode method.

Throws:

IOException

MalformedURLException

getAlias

public URL getAlias()

Overrides:

getAlias in class Resource

Returns:

The canonical Alias of this resource or null if none.

exists

public boolean exists()

Returns true if the resource exists.

Overrides:

exists in class URLResource

lastModified

public long lastModified()

Returns the last modified time

Overrides:

lastModified in class URLResource

isDirectory

public boolean isDirectory()

Returns true if the respresenetd resource is a container/directory.

Overrides:

isDirectory in class URLResource

length

public long length()

Return the length of the resource

Overrides:

length in class URLResource

getName

public String getName()

Returns the name of the resource

Overrides:

getName in class URLResource

getFile

public File getFile()

Returns an File representing the given resource or NULL if this is not possible.

Overrides:

getFile in class URLResource

getInputStream

public InputStream getInputStream()
                           throws IOException

Returns an input stream to the resource

Overrides:

getInputStream in class URLResource

Throws:

IOException

getReadableByteChannel

public ReadableByteChannel getReadableByteChannel()
                                           throws IOException

Description copied from class: Resource

Returns an readable bytechannel to the resource or null if one is not available.

Overrides:

getReadableByteChannel in class URLResource

Throws:

IOException

delete

public boolean delete()
               throws SecurityException

Deletes the given resource

Overrides:

delete in class URLResource

Throws:

SecurityException

renameTo

public boolean renameTo(Resource dest)
                 throws SecurityException

Rename the given resource

Overrides:

renameTo in class URLResource

Throws:

SecurityException

list

public String[] list()

Returns a list of resources contained in the given resource

Overrides:

list in class URLResource

encode

public String encode(String uri)

Encode according to this resource type. File URIs are encoded.

Overrides:

encode in class Resource

Parameters:

uri - URI to encode.

Returns:

The uri unchanged.

equals

public boolean equals(Object o)

Overrides:

equals in class URLResource

Parameters:

o -

Returns:

true of the object o is a FileResource pointing to the same file as this resource.

hashCode

public int hashCode()

Overrides:

hashCode in class URLResource

Returns:

the hashcode.

copyTo

public void copyTo(File destination)
            throws IOException

Overrides:

copyTo in class Resource

Throws:

IOException