org.mortbay.resource

Class ResourceCollection

java.lang.Object

org.mortbay.resource.Resource

org.mortbay.resource.ResourceCollection

All Implemented Interfaces:

Serializable

public class ResourceCollection
extends Resource

A collection of resources (dirs). Allows webapps to have multiple (static) sources. The first resource in the collection is the main resource. If a resource is not found in the main resource, it looks it up in the order the resources were constructed.

Author:

dyu

See Also:

Serialized Form

Field Summary

Fields inherited from class org.mortbay.resource.Resource

__defaultUseCaches

Constructor Summary

Constructors

Constructor and Description
ResourceCollection()
ResourceCollection(Resource[] resources)
ResourceCollection(String csvResources)
ResourceCollection(String[] resources)

Method Summary

Modifier and Type	Method and Description
Resource	addPath(String path) Returns the resource contained inside the current resource with the given name.
boolean	delete() Deletes the given resource
boolean	exists() Returns true if the respresened resource exists.
protected Object	findResource(String path)
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
OutputStream	getOutputStream() Returns an output stream to the resource
Resource[]	getResources()
URL	getURL() Returns an URL representing the given resource
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 resource names contained in the given resource The resource names are not URL encoded.
void	release() Release any resources held by the resource.
boolean	renameTo(Resource dest) Rename the given resource
void	setResources(Resource[] resources)
void	setResources(String csvResources)
void	setResources(String[] resources)
void	setResourcesAsCSV(String csvResources)
String	toString()

Methods inherited from class org.mortbay.resource.Resource

encode, finalize, getAlias, getAssociate, getDefaultUseCaches, getListHTML, newClassPathResource, newClassPathResource, newResource, newResource, newResource, newResource, newSystemResource, setAssociate, setDefaultUseCaches, writeTo

Methods inherited from class java.lang.Object

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

Constructor Detail

ResourceCollection

public ResourceCollection()

ResourceCollection

public ResourceCollection(Resource[] resources)

ResourceCollection

public ResourceCollection(String[] resources)

ResourceCollection

public ResourceCollection(String csvResources)

Method Detail

setResources

public void setResources(Resource[] resources)

Parameters:

resources - Resource array

setResources

public void setResources(String[] resources)

Parameters:

resources - String array

setResources

public void setResources(String csvResources)

Parameters:

csvResources - Comma separated values

setResourcesAsCSV

public void setResourcesAsCSV(String csvResources)

Parameters:

csvResources - Comma separated values

getResources

public Resource[] getResources()

Returns:

the resource array

addPath

public Resource addPath(String path)
                 throws IOException,
                        MalformedURLException

Description copied from class: Resource

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

Specified by:

addPath in class Resource

Parameters:

path - The path segment to add

Returns:

The contained resource (found first) in the collection of resources

Throws:

IOException

MalformedURLException

findResource

protected Object findResource(String path)
                       throws IOException,
                              MalformedURLException

Parameters:

path -

Returns:

the resource(file) if found, returns a list of resource dirs if its a dir, else null.

Throws:

IOException

MalformedURLException

delete

public boolean delete()
               throws SecurityException

Description copied from class: Resource

Deletes the given resource

Specified by:

delete in class Resource

Throws:

SecurityException

exists

public boolean exists()

Description copied from class: Resource

Returns true if the respresened resource exists.

Specified by:

exists in class Resource

getFile

public File getFile()
             throws IOException

Description copied from class: Resource

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

Specified by:

getFile in class Resource

Throws:

IOException

getInputStream

public InputStream getInputStream()
                           throws IOException

Description copied from class: Resource

Returns an input stream to the resource

Specified by:

getInputStream in class Resource

Throws:

IOException

getName

public String getName()

Description copied from class: Resource

Returns the name of the resource

Specified by:

getName in class Resource

getOutputStream

public OutputStream getOutputStream()
                             throws IOException,
                                    SecurityException

Description copied from class: Resource

Returns an output stream to the resource

Specified by:

getOutputStream in class Resource

Throws:

IOException

SecurityException

getURL

public URL getURL()

Description copied from class: Resource

Returns an URL representing the given resource

Specified by:

getURL in class Resource

isDirectory

public boolean isDirectory()

Description copied from class: Resource

Returns true if the respresenetd resource is a container/directory. If the resource is not a file, resources ending with "/" are considered directories.

Specified by:

isDirectory in class Resource

lastModified

public long lastModified()

Description copied from class: Resource

Returns the last modified time

Specified by:

lastModified in class Resource

length

public long length()

Description copied from class: Resource

Return the length of the resource

Specified by:

length in class Resource

list

public String[] list()

Description copied from class: Resource

Returns a list of resource names contained in the given resource The resource names are not URL encoded.

Specified by:

list in class Resource

Returns:

The list of resource names(merged) contained in the collection of resources.

release

public void release()

Description copied from class: Resource

Release any resources held by the resource.

Specified by:

release in class Resource

renameTo

public boolean renameTo(Resource dest)
                 throws SecurityException

Description copied from class: Resource

Rename the given resource

Specified by:

renameTo in class Resource

Throws:

SecurityException

toString

public String toString()

Overrides:

toString in class Object

Returns:

the list of resources separated by a path separator