org.jboss.virtual.plugins.context.jar
Class SynthenticDirEntryHandler

java.lang.Object
  extended by org.jboss.virtual.plugins.context.AbstractVirtualFileHandler
      extended by org.jboss.virtual.plugins.context.AbstractURLHandler
          extended by org.jboss.virtual.plugins.context.jar.SynthenticDirEntryHandler
All Implemented Interfaces:
java.io.Serializable, StructuredVirtualFileHandler, VirtualFileHandler

public class SynthenticDirEntryHandler
extends AbstractURLHandler
implements StructuredVirtualFileHandler

SynthenticDirEntryHandler represents non-existent directory jar entry.

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
SynthenticDirEntryHandler(VFSContext context, VirtualFileHandler parent, java.lang.String entryName, long lastModified, java.net.URL url)
          Create a new SynthenticDirEntryHandler.
 
Method Summary
 void addChild(VirtualFileHandler child)
          Add a child to an entry
 VirtualFileHandler createChildHandler(java.lang.String name)
          Create a child handler for the given name.
 VirtualFileHandler findChild(java.lang.String path)
          Find a child
 java.util.List<VirtualFileHandler> getChildren(boolean ignoreErrors)
          Get the children
 long getLastModified()
          When the file was last modified
 long getSize()
          Get the size
 boolean isHidden()
          Whether it is hidden
 boolean isLeaf()
          Whether it is a simple leaf of the VFS, i.e.
 java.io.InputStream openStream()
          Access the file contents.
 
Methods inherited from class org.jboss.virtual.plugins.context.AbstractURLHandler
getURL, initCacheLastModified, toURI, toURL
 
Methods inherited from class org.jboss.virtual.plugins.context.AbstractVirtualFileHandler
checkClosed, close, doClose, equals, getName, getParent, getPathName, getVFSContext, getVirtualFile, hasBeenModified, hashCode, simpleFindChild, structuredFindChild, toString, toVfsUrl
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 

Constructor Detail

SynthenticDirEntryHandler

public SynthenticDirEntryHandler(VFSContext context,
                                 VirtualFileHandler parent,
                                 java.lang.String entryName,
                                 long lastModified,
                                 java.net.URL url)
                          throws java.io.IOException
Create a new SynthenticDirEntryHandler.

Parameters:
context - the context
parent - the parent
entryName - - the simple name for the dir
lastModified - the timestamp for the dir
url - the full url
Throws:
java.io.IOException - for an error accessing the file system
java.lang.IllegalArgumentException - for a null context, url, jar or entry
Method Detail

addChild

public void addChild(VirtualFileHandler child)
Add a child to an entry

Parameters:
child -

getLastModified

public long getLastModified()
Description copied from interface: VirtualFileHandler
When the file was last modified

Specified by:
getLastModified in interface VirtualFileHandler
Overrides:
getLastModified in class AbstractURLHandler
Returns:
the last modified time

getSize

public long getSize()
Description copied from interface: VirtualFileHandler
Get the size

Specified by:
getSize in interface VirtualFileHandler
Overrides:
getSize in class AbstractURLHandler
Returns:
the size

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.

isHidden

public boolean isHidden()
Description copied from interface: VirtualFileHandler
Whether it is hidden

Specified by:
isHidden in interface VirtualFileHandler
Overrides:
isHidden in class AbstractURLHandler
Returns:
true if hidden.

openStream

public java.io.InputStream openStream()
                               throws java.io.IOException
Description copied from interface: VirtualFileHandler
Access the file contents.

Specified by:
openStream in interface VirtualFileHandler
Overrides:
openStream in class AbstractURLHandler
Returns:
An InputStream for the file contents.
Throws:
java.io.IOException - for any problem accessing the virtual file system

getChildren

public java.util.List<VirtualFileHandler> getChildren(boolean ignoreErrors)
                                               throws java.io.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:
java.io.IOException - for an error accessing the file system

findChild

public VirtualFileHandler findChild(java.lang.String path)
                             throws java.io.IOException
Description copied from interface: VirtualFileHandler
Find a child

Specified by:
findChild in interface VirtualFileHandler
Parameters:
path - the path
Returns:
the child
Throws:
java.io.IOException - for an error accessing the file system (or the child doesn't exist)

createChildHandler

public VirtualFileHandler createChildHandler(java.lang.String name)
                                      throws java.io.IOException
Create a child handler for the given name. This looks to the entryMap for an existing child.

Specified by:
createChildHandler in interface StructuredVirtualFileHandler
Parameters:
name - - the simple name of an immeadiate child.
Returns:
the VirtualFileHandler previously added via addChild.
Throws:
java.io.IOException - - thrown if there are no children or the name does not match a child