org.jboss.virtual.plugins.context.file
Class LinkHandler

java.lang.Object
  org.jboss.virtual.plugins.context.AbstractVirtualFileHandler
      org.jboss.virtual.plugins.context.AbstractURLHandler
          org.jboss.virtual.plugins.context.file.LinkHandler

All Implemented Interfaces:

Serializable, StructuredVirtualFileHandler, VirtualFileHandler

public class LinkHandler
extends AbstractURLHandler
implements StructuredVirtualFileHandler

A handler for link directories.

Version:

$Revision: 1.1 $

Author:

Scott.Stark@jboss.org

See Also:

Serialized Form

Field Summary

Fields inherited from class org.jboss.virtual.plugins.context.AbstractVirtualFileHandler

cachedLastModified, log, vfsUrl

Constructor Summary

LinkHandler(FileSystemContext context, VirtualFileHandler parent, URI uri, String name, List<LinkInfo> links)
Create a new LinkHandler.

Method Summary

VirtualFileHandler	createChildHandler(String name) Create a virtual file context
protected VirtualFileHandler	createLinkHandler(VirtualFileHandler parent, String name, URI linkURI)
protected void	doClose() The real close
VirtualFileHandler	findChild(String path) Find a child
List<VirtualFileHandler>	getChildren(boolean ignoreErrors) Get the children
boolean	isLeaf() Whether it is a simple leaf of the VFS, i.e.

Methods inherited from class org.jboss.virtual.plugins.context.AbstractURLHandler

exists, getLastModified, getSize, getURL, initCacheLastModified, isHidden, openStream, toURI, toURL

Methods inherited from class org.jboss.virtual.plugins.context.AbstractVirtualFileHandler

checkClosed, close, decrement, equals, getName, getParent, getPathName, getVFSContext, getVirtualFile, hasBeenModified, hashCode, increment, setPathName, simpleFindChild, structuredFindChild, toString, toVfsUrl

Methods inherited from class java.lang.Object

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

Constructor Detail

LinkHandler

public LinkHandler(FileSystemContext context,
                   VirtualFileHandler parent,
                   URI uri,
                   String name,
                   List<LinkInfo> links)
            throws IOException,
                   URISyntaxException

Create a new LinkHandler.

Parameters:

context - the context

parent - the parent

uri - the uri

name - the name

links - the links

Throws:

IOException - for an error accessing the file system

IllegalArgumentException - for a null context, url

URISyntaxException - if the uri cannot be parsed

Method Detail

isLeaf

public boolean isLeaf()

Description copied from interface: VirtualFileHandler

Whether it is a simple leaf of the VFS, i.e. whether it can contain other files

Specified by:

isLeaf in interface VirtualFileHandler

Returns:

true if a simple file.

getChildren

public List<VirtualFileHandler> getChildren(boolean ignoreErrors)
                                     throws IOException

Description copied from interface: VirtualFileHandler

Get the children

Specified by:

getChildren in interface VirtualFileHandler

Parameters:

ignoreErrors - whether to ignore errors

Returns:

the children

Throws:

IOException - for an error accessing the file system

findChild

public VirtualFileHandler findChild(String path)
                             throws IOException

Description copied from interface: VirtualFileHandler

Find a child

Specified by:

findChild in interface VirtualFileHandler

Parameters:

path - the path

Returns:

the child

Throws:

IOException - for an error accessing the file system (or the child doesn't exist)

createChildHandler

public VirtualFileHandler createChildHandler(String name)
                                      throws IOException

Description copied from interface: StructuredVirtualFileHandler

Create a virtual file context

Specified by:

createChildHandler in interface StructuredVirtualFileHandler

Parameters:

name - the name

Returns:

the handler

Throws:

IOException - for any error accessing the virtual file system

doClose

protected void doClose()

Description copied from class: AbstractVirtualFileHandler

The real close

Overrides:

doClose in class AbstractVirtualFileHandler

createLinkHandler

protected VirtualFileHandler createLinkHandler(VirtualFileHandler parent,
                                               String name,
                                               URI linkURI)
                                        throws IOException

Throws:

IOException