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## org.jboss.virtual.plugins.context
Class AbstractVirtualFileHandler

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

All Implemented Interfaces:
  java.io.Serializable, VirtualFileHandler

Direct Known Subclasses:
  AbstractURIHandler, AbstractURLHandler, AssembledDirectoryHandler, AssembledFileHandler, ByteArrayHandler, DelegatingHandler, NestedJarFromStream, NestedJarFromStream.JarEntryContents

    public abstract class AbstractVirtualFileHandler

extends java.lang.Object
implements VirtualFileHandler

AbstractVirtualFileHandler.

Version:
  $Revision: 1.1 $
Author:
  Adrian Brock, Scott.Stark@jboss.org
See Also:
  Serialized Form

Field Summary
`protected long` | `cachedLastModified` The cached last modified
`protected static org.jboss.logging.Logger` | `log` The log
`protected java.net.URL` | `vfsUrl` The vfs URL

Constructor Summary
`protected` | `AbstractVirtualFileHandler(VFSContext context, VirtualFileHandler parent, java.lang.String name)` Create a new handler

Method Summary
`void` | `close()` Close the resources
`protected int` | `decrement()` Decrement the reference count
`protected void` | `doClose()` The real close
`boolean` | `equals(java.lang.Object obj)`
`java.lang.String` | `getName()` Get the simple VF name (X.java)
`VirtualFileHandler` | `getParent()` Get the parent
`java.lang.String` | `getPathName()` Get the VFS relative path name (org/jboss/X.java)
`VFSContext` | `getVFSContext()` Get the VFSContext this file belongs to
`VirtualFile` | `getVirtualFile()` Get the virtual file wrapper
`boolean` | `hasBeenModified()` Returns true if the file has been modified since this method was last called Last modified time is initialized at handler instantiation.
`int` | `hashCode()`
`protected void` | `checkClosed()` Check whether we are closed
`protected int` | `increment()` Increment the reference count
`void` | `setPathName(java.lang.String path)` todo This is a hack until we can fix http://jira.jboss.com/jira/browse/JBMICROCONT-164
`VirtualFileHandler` | `simpleFindChild(java.lang.String path)` Simple implementation of findChild
`VirtualFileHandler` | `structuredFindChild(java.lang.String path)` Structured implementation of find child
`java.lang.String` | `toString()`
`java.net.URL` | `toURL()` Get the VF URL (file://root/org/jboss/X.java)
`java.net.URL` | `toVfsUrl()` Get a VFS-based URL

Methods inherited from class java.lang.Object
`clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

Methods inherited from interface org.jboss.virtual.spi.VirtualFileHandler
`exists, findChild, getChildren, getLastModified, getSize, isHidden, isLeaf, openStream, toURI`

Field Detail

### log

    protected static final org.jboss.logging.Logger log

  The log

### vfsUrl

    protected java.net.URL vfsUrl

  The vfs URL

### cachedLastModified

    protected transient long cachedLastModified

  The cached last modified

Constructor Detail

### AbstractVirtualFileHandler

    protected AbstractVirtualFileHandler(VFSContext context,
                                         VirtualFileHandler parent,
                                         java.lang.String name)

  Create a new handler

  Parameters:
    `context` - the context
    `parent` - the parent
    `name` - the name
  Throws:
    `java.lang.IllegalArgumentException` - if the context or name is null;

Method Detail

### hasBeenModified

    public boolean hasBeenModified()
                            throws java.io.IOException

  Description copied from interface: `VirtualFileHandler`
  Returns true if the file has been modified since this method was last called Last modified time is initialized at handler instantiation.

  Specified by:
    `hasBeenModified` in interface `VirtualFileHandler`
  Returns:
  Throws:
    `java.io.IOException`

### getName

    public java.lang.String getName()

  Description copied from interface: `VirtualFileHandler`
  Get the simple VF name (X.java)

  Specified by:
    `getName` in interface `VirtualFileHandler`
  Returns:
    the simple file name

### getPathName

    public java.lang.String getPathName()

  Description copied from interface: `VirtualFileHandler`
  Get the VFS relative path name (org/jboss/X.java)

  Specified by:
    `getPathName` in interface `VirtualFileHandler`
  Returns:
    the VFS relative path name

### setPathName

    public void setPathName(java.lang.String path)

  todo This is a hack until we can fix http://jira.jboss.com/jira/browse/JBMICROCONT-164

  Parameters:
    `path` -

### toURL

    public java.net.URL toURL()
                       throws java.net.MalformedURLException,
                              java.net.URISyntaxException

  Description copied from interface: `VirtualFileHandler`
  Get the VF URL (file://root/org/jboss/X.java)

  Specified by:
    `toURL` in interface `VirtualFileHandler`
  Returns:
    the full URL to the VF in the VFS.
  Throws:
    `java.net.MalformedURLException` - for any error
    `java.net.URISyntaxException` - for an error parsing the URI

### toVfsUrl

    public java.net.URL toVfsUrl()
                          throws java.net.MalformedURLException,
                                 java.net.URISyntaxException

  Description copied from interface: `VirtualFileHandler`
  Get a VFS-based URL

  Specified by:
    `toVfsUrl` in interface `VirtualFileHandler`
  Returns:
    the url
  Throws:
    `java.net.MalformedURLException`
    `java.net.URISyntaxException`

### getVirtualFile

    public VirtualFile getVirtualFile()

  Description copied from interface: `VirtualFileHandler`
  Get the virtual file wrapper

  Specified by:
    `getVirtualFile` in interface `VirtualFileHandler`
  Returns:
    the wrapper

### getParent

    public VirtualFileHandler getParent()
                                 throws java.io.IOException

  Description copied from interface: `VirtualFileHandler`
  Get the parent

  Specified by:
    `getParent` in interface `VirtualFileHandler`
  Returns:
    the parent
  Throws:
    `java.io.IOException` - for an error accessing the file system

### getVFSContext

    public VFSContext getVFSContext()

  Description copied from interface: `VirtualFileHandler`
  Get the VFSContext this file belongs to

  Specified by:
    `getVFSContext` in interface `VirtualFileHandler`
  Returns:
    the context

### increment

    protected int increment()

  Increment the reference count

  Returns:
    the resulting count

### decrement

    protected int decrement()

  Decrement the reference count

  Returns:
    the resulting count

### checkClosed

    protected void checkClosed()
                        throws java.lang.IllegalStateException

  Check whether we are closed

  Throws:
    `java.lang.IllegalStateException` - when closed

### close

    public void close()

  Description copied from interface: `VirtualFileHandler`
  Close the resources

  Specified by:
    `close` in interface `VirtualFileHandler`

### doClose

    protected void doClose()

  The real close

### structuredFindChild

    public VirtualFileHandler structuredFindChild(java.lang.String path)
                                           throws java.io.IOException

  Structured implementation of find child

  Parameters:
    `path` - the path
  Returns:
    the handler
  Throws:
    `java.io.IOException` - for any error accessing the virtual file system
    `java.lang.IllegalArgumentException` - for a null name

### simpleFindChild

    public VirtualFileHandler simpleFindChild(java.lang.String path)
                                       throws java.io.IOException

  Simple implementation of findChild

  Parameters:
    `path` - the path
  Returns:
    the handler
  Throws:
    `java.io.IOException` - for any error accessing the virtual file system
    `java.lang.IllegalArgumentException` - for a null name

### toString

    public java.lang.String toString()

  Overrides:
    `toString` in class `java.lang.Object`

### hashCode

    public int hashCode()

  Overrides:
    `hashCode` in class `java.lang.Object`

### equals

    public boolean equals(java.lang.Object obj)

  Overrides:
    `equals` in class `java.lang.Object`

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