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

java.lang.Object
  org.jboss.virtual.plugins.context.AbstractVirtualFileHandler
      org.jboss.virtual.plugins.context.AbstractURLHandler
          org.jboss.virtual.plugins.context.jar.AbstractJarHandler

All Implemented Interfaces:

Serializable, VirtualFileHandler

Direct Known Subclasses:

AbstractStructuredJarHandler, JarEntryContents, JarEntryHandler, NoCopyNestedJarHandler

public abstract class AbstractJarHandler
extends AbstractURLHandler

AbstractJarHandler.

Version:

$Revision: 1.1 $

Author:

Ales Justin, Adrian Brock, Scott.Stark@jboss.org

See Also:

Serialized Form

Field Summary

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

cachedLastModified, log

Constructor Summary

protected

AbstractJarHandler(VFSContext context, VirtualFileHandler parent, URL url, JarFile jar, ZipEntry entry, String name) Create a new JarHandler.

Method Summary

static JarFile	fromURL(URL url) Convert a URL into a JarFIle
ZipEntry	getEntry() Get the entry.
JarFile	getJar() Get the jar.
protected URL	getURL(VirtualFileHandler parent, String path, boolean isDirEntry) Create the URL for the entry represented by path.
protected void	handleJarFile() Handle jar file after read.
boolean	isLeaf() Whether it is a simple leaf of the VFS, i.e. whether it can contain other files

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, checkParentExists, close, decrement, doClose, equals, getChildPathName, getChildVfsUrl, getName, getParent, getPathName, getVFSContext, getVfsUrl, getVirtualFile, hasBeenModified, hashCode, increment, setPathName, setVfsUrl, simpleFindChild, structuredFindChild, toString, toVfsUrl

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jboss.virtual.spi.VirtualFileHandler

getChild, getChildren

Constructor Detail

AbstractJarHandler

protected AbstractJarHandler(VFSContext context,
                             VirtualFileHandler parent,
                             URL url,
                             JarFile jar,
                             ZipEntry entry,
                             String name)
                      throws IOException

Create a new JarHandler.

Parameters:

context - the context

parent - the parent

url - the url

jar - the jar

entry - the entry

name - the name

Throws:

IOException - for an error accessing the file system

IllegalArgumentException - for a null context, url or vfsPath

Method Detail

getJar

public JarFile getJar()

Get the jar.

Returns:

the jar.

getEntry

public ZipEntry getEntry()

Get the entry.

Returns:

jar entry

getURL

protected URL getURL(VirtualFileHandler parent,
                     String path,
                     boolean isDirEntry)
              throws MalformedURLException

Create the URL for the entry represented by path.

Parameters:

parent - - the parent handler

path - - the simple path to the entry without any trailing '/'

isDirEntry - - whether this is a directory entry

Returns:

the jar entry URL

Throws:

MalformedURLException - if illegal URL form

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

Returns:

true if a simple file.

fromURL

public static JarFile fromURL(URL url)
                       throws IOException

Convert a URL into a JarFIle

Parameters:

url - the url to convert

Returns:

the jar file

Throws:

IOException - for any IO error

handleJarFile

protected void handleJarFile()
                      throws IOException

Handle jar file after read. Find the real jar file, if nested.

Throws:

IOException - for any error