org.jboss.virtual.plugins.context.vfs
Class AssembledDirectoryHandler

java.lang.Object
  org.jboss.virtual.plugins.context.AbstractVirtualFileHandler
      org.jboss.virtual.plugins.context.vfs.AssembledDirectoryHandler

All Implemented Interfaces:

Serializable, StructuredVirtualFileHandler, VirtualFileHandler

public class AssembledDirectoryHandler
extends AbstractVirtualFileHandler
implements StructuredVirtualFileHandler

The assembled directory handler.

Version:

$Revision: 1.1 $

Author:

Bill Burke, Ales Justin

See Also:

Serialized Form

Field Summary

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

cachedLastModified, log

Constructor Summary

AssembledDirectoryHandler(VFSContext context, AssembledDirectoryHandler parent, String name)

Method Summary

VirtualFileHandler	addChild(VirtualFileHandler handler)
VirtualFileHandler	createChildHandler(String name) Create a virtual file context
boolean	exists() Tests whether the underlying implementation file still exists.
VirtualFileHandler	findChild(String name)
VirtualFileHandler	getChild(String path) Get a child
List<VirtualFileHandler>	getChildren(boolean ignoreErrors) Get the children
long	getLastModified() When the file was last modified
long	getSize() Get the size
AssembledDirectory	getVirtualFile() Get the virtual file wrapper
protected void	internalReplaceChild(VirtualFileHandler original, VirtualFileHandler replacement) Replace original child with unpacked replacement.
boolean	isHidden() Whether it is hidden
boolean	isLeaf() Whether it is a simple leaf of the VFS, i.e.
boolean	isNested() Are we nested in some archive.
InputStream	openStream() Access the file contents.
boolean	removeChild(String name) This method removes a specified child from its list of children map
URI	toURI() Get the VF URI (file://root/org/jboss/X.java)
URL	toURL() Get the VF URL (file://root/org/jboss/X.java)

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

checkClosed, checkParentExists, cleanup, close, decrement, delete, doClose, equals, getChildPathName, getChildVfsUrl, getLocalPathName, getLocalVFSContext, getName, getParent, getPathName, getRealURL, getReferences, getVFSContext, getVfsUrl, hasBeenModified, hashCode, increment, isArchive, isTemporary, replaceChild, setPathName, setVfsUrl, simpleFindChild, structuredFindChild, toInternalVfsUrl, toString, toStringLocal, toVfsUrl

Methods inherited from class java.lang.Object

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

Constructor Detail

AssembledDirectoryHandler

public AssembledDirectoryHandler(VFSContext context,
                                 AssembledDirectoryHandler parent,
                                 String name)
                          throws IOException

Throws:

IOException

Method Detail

addChild

public VirtualFileHandler addChild(VirtualFileHandler handler)

removeChild

public boolean removeChild(String name)

This method removes a specified child from its list of children map

Specified by:

removeChild in interface VirtualFileHandler

Parameters:

name - child name

Returns:

true if child was removed, false otherwise

findChild

public VirtualFileHandler findChild(String name)

getChild

public VirtualFileHandler getChild(String path)
                            throws IOException

Description copied from interface: VirtualFileHandler

Get a child

Specified by:

getChild in interface VirtualFileHandler

Parameters:

path - the path

Returns:

the child or null if not found

Throws:

IOException - for an error accessing the file system

toURI

public URI toURI()
          throws URISyntaxException

Description copied from interface: VirtualFileHandler

Get the VF URI (file://root/org/jboss/X.java)

Specified by:

toURI in interface VirtualFileHandler

Returns:

the full URI to the VF in the VFS.

Throws:

URISyntaxException - for an error parsing the URI

getLastModified

public long getLastModified()
                     throws IOException

Description copied from interface: VirtualFileHandler

When the file was last modified

Specified by:

getLastModified in interface VirtualFileHandler

Returns:

the last modified time

Throws:

IOException - for any problem accessing the virtual file system

getSize

public long getSize()
             throws IOException

Description copied from interface: VirtualFileHandler

Get the size

Specified by:

getSize in interface VirtualFileHandler

Returns:

the size

Throws:

IOException - for any problem accessing the virtual file system

exists

public boolean exists()
               throws IOException

Description copied from interface: VirtualFileHandler

Tests whether the underlying implementation file still exists.

Specified by:

exists in interface VirtualFileHandler

Returns:

true if the file exists, false otherwise.

Throws:

IOException - - thrown on failure to detect existence.

isLeaf

public boolean isLeaf()
               throws IOException

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.

Throws:

IOException - for any problem accessing the virtual file system

isHidden

public boolean isHidden()
                 throws IOException

Description copied from interface: VirtualFileHandler

Whether it is hidden

Specified by:

isHidden in interface VirtualFileHandler

Returns:

true if hidden.

Throws:

IOException - for any problem accessing the virtual file system

isNested

public boolean isNested()
                 throws IOException

Description copied from interface: VirtualFileHandler

Are we nested in some archive.

Specified by:

isNested in interface VirtualFileHandler

Returns:

true if this is archive entry

Throws:

IOException - for any error

openStream

public InputStream openStream()
                       throws IOException

Description copied from interface: VirtualFileHandler

Access the file contents.

Specified by:

openStream in interface VirtualFileHandler

Returns:

An InputStream for the file contents.

Throws:

IOException - for any problem accessing the virtual file system

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

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

getVirtualFile

public AssembledDirectory getVirtualFile()

Description copied from interface: VirtualFileHandler

Get the virtual file wrapper

Specified by:

getVirtualFile in interface VirtualFileHandler

Overrides:

getVirtualFile in class AbstractVirtualFileHandler

Returns:

the wrapper

toURL

public URL toURL()
          throws MalformedURLException,
                 URISyntaxException

Description copied from interface: VirtualFileHandler

Get the VF URL (file://root/org/jboss/X.java)

Specified by:

toURL in interface VirtualFileHandler

Overrides:

toURL in class AbstractVirtualFileHandler

Returns:

the full URL to the VF in the VFS.

Throws:

MalformedURLException - for any error

URISyntaxException - for an error parsing the URI

internalReplaceChild

protected void internalReplaceChild(VirtualFileHandler original,
                                    VirtualFileHandler replacement)

Description copied from class: AbstractVirtualFileHandler

Replace original child with unpacked replacement.

Overrides:

internalReplaceChild in class AbstractVirtualFileHandler

Parameters:

original - the original

replacement - the replacement