org.apache.commons.vfs.provider.zip
Class ZipFileSystem

java.lang.Object
  extended by org.apache.commons.vfs.provider.AbstractVfsComponent
      extended by org.apache.commons.vfs.provider.AbstractFileSystem
          extended by org.apache.commons.vfs.provider.zip.ZipFileSystem
All Implemented Interfaces:
FileSystem, VfsComponent
Direct Known Subclasses:
JarFileSystem

public class ZipFileSystem
extends AbstractFileSystem
implements FileSystem

A read-only file system for Zip/Jar files.

Version:
$Revision: 764356 $ $Date: 2009-04-13 06:06:01 +0200 (Mo, 13. Apr 2009) $
Author:
Adam Murdoch

Constructor Summary
ZipFileSystem(FileName rootName, FileObject parentLayer, FileSystemOptions fileSystemOptions)
           
 
Method Summary
protected  void addCapabilities(java.util.Collection caps)
          Returns the capabilities of this file system.
protected  FileObject createFile(FileName name)
          Creates a file object.
protected  java.util.zip.ZipFile createZipFile(java.io.File file)
           
protected  ZipFileObject createZipFileObject(FileName name, java.util.zip.ZipEntry entry)
           
protected  void doCloseCommunicationLink()
          Close the underlaying link used to access the files
protected  java.util.zip.ZipFile getZipFile()
           
 void init()
          Initialises this component.
 
Methods inherited from class org.apache.commons.vfs.provider.AbstractFileSystem
addJunction, addListener, close, closeCommunicationLink, decorateFileObject, doReplicateFile, fireFileChanged, fireFileCreated, fireFileDeleted, getAttribute, getFileFromCache, getFileSystemManager, getFileSystemOptions, getLastModTimeAccuracy, getParentLayer, getRoot, getRootName, getRootURI, hasCapability, isOpen, isReleaseable, notifyAllStreamsClosed, putFileToCache, removeFileFromCache, removeJunction, removeListener, replicateFile, resolveFile, resolveFile, setAttribute
 
Methods inherited from class org.apache.commons.vfs.provider.AbstractVfsComponent
getContext, getLogger, setContext, setLogger
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.apache.commons.vfs.FileSystem
addJunction, addListener, getAttribute, getFileSystemManager, getFileSystemOptions, getLastModTimeAccuracy, getParentLayer, getRoot, getRootName, getRootURI, hasCapability, removeJunction, removeListener, replicateFile, resolveFile, resolveFile, setAttribute
 

Constructor Detail

ZipFileSystem

public ZipFileSystem(FileName rootName,
                     FileObject parentLayer,
                     FileSystemOptions fileSystemOptions)
              throws FileSystemException
Throws:
FileSystemException
Method Detail

init

public void init()
          throws FileSystemException
Description copied from class: AbstractFileSystem
Initialises this component.

Specified by:
init in interface VfsComponent
Overrides:
init in class AbstractFileSystem
Throws:
FileSystemException - if an error occurs.

getZipFile

protected java.util.zip.ZipFile getZipFile()
                                    throws FileSystemException
Throws:
FileSystemException

createZipFileObject

protected ZipFileObject createZipFileObject(FileName name,
                                            java.util.zip.ZipEntry entry)
                                     throws FileSystemException
Throws:
FileSystemException

createZipFile

protected java.util.zip.ZipFile createZipFile(java.io.File file)
                                       throws FileSystemException
Throws:
FileSystemException

doCloseCommunicationLink

protected void doCloseCommunicationLink()
Description copied from class: AbstractFileSystem
Close the underlaying link used to access the files

Overrides:
doCloseCommunicationLink in class AbstractFileSystem

addCapabilities

protected void addCapabilities(java.util.Collection caps)
Returns the capabilities of this file system.

Specified by:
addCapabilities in class AbstractFileSystem

createFile

protected FileObject createFile(FileName name)
                         throws FileSystemException
Creates a file object.

Specified by:
createFile in class AbstractFileSystem
Throws:
FileSystemException


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