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

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

All Implemented Interfaces:
  java.io.Serializable, VirtualFileHandler

Direct Known Subclasses:
  AbstractJarHandler, FileHandler, JarEntryHandler, LinkHandler, MemoryContextHandler, SynthenticDirEntryHandler

    public abstract class AbstractURLHandler

extends AbstractVirtualFileHandler

URLHandler.

Version:
  $Revision: 1.1 $
Author:
  Adrian Brock
See Also:
  Serialized Form

Field Summary

Fields inherited from class org.jboss.virtual.plugins.context.AbstractVirtualFileHandler
`cachedLastModified, log, vfsUrl`

Constructor Summary
`AbstractURLHandler(VFSContext context, VirtualFileHandler parent, java.net.URL url, java.lang.String name)` Create a newURLHandler.

Method Summary
`boolean` | `exists()` Basis existence on URLConnection.getLastModified() !
`long` | `getLastModified()` When the file was last modified
`long` | `getSize()` Get the size
`java.net.URL` | `getURL()` Get the url
`protected void` | `initCacheLastModified()`
`boolean` | `isHidden()` Whether it is hidden
`java.io.InputStream` | `openStream()` Access the file contents.
`java.net.URI` | `toURI()` Get the VF URI (file://root/org/jboss/X.java)
`java.net.URL` | `toURL()` Get the VF URL (file://root/org/jboss/X.java)

Methods inherited from class org.jboss.virtual.plugins.context.AbstractVirtualFileHandler
`close, decrement, doClose, equals, getName, getParent, getPathName, getVFSContext, getVirtualFile, hasBeenModified, hashCode, checkClosed, increment, setPathName, 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
`findChild, getChildren, isLeaf`

Constructor Detail

### AbstractURLHandler

    public AbstractURLHandler(VFSContext context,
                              VirtualFileHandler parent,
                              java.net.URL url,
                              java.lang.String name)

  Create a newURLHandler.

  Parameters:
    `context` - the context
    `parent` - the parent
    `url` - the url
    `name` - the name
  Throws:
    `java.lang.IllegalArgumentException` - for a null context, vfsPath or url

Method Detail

### initCacheLastModified

    protected void initCacheLastModified()

### getURL

    public java.net.URL getURL()

  Get the url

  Returns:
    the url

### 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`
  Overrides:
    `toURL` in class `AbstractVirtualFileHandler`
  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

### getLastModified

    public long getLastModified()
                         throws java.io.IOException

  Description copied from interface: `VirtualFileHandler`
  When the file was last modified

  Returns:
    the last modified time
  Throws:
    `java.io.IOException` - for any problem accessing the virtual file system

### getSize

    public long getSize()
                 throws java.io.IOException

  Description copied from interface: `VirtualFileHandler`
  Get the size

  Returns:
    the size
  Throws:
    `java.io.IOException` - for any problem accessing the virtual file system

### exists

    public boolean exists()
                   throws java.io.IOException

  Basis existence on URLConnection.getLastModified() != 0. This may not be true for all url connections.

  Returns:
    true if the file exists, false otherwise.
  Throws:
    `java.io.IOException` - - thrown on failure to detect existence.
  See Also:
    `URLConnection.getLastModified()`, `org.jboss.test.virtual.test.URLExistsUnitTestCase`

### isHidden

    public boolean isHidden()
                     throws java.io.IOException

  Description copied from interface: `VirtualFileHandler`
  Whether it is hidden

  Returns:
    true if hidden.
  Throws:
    `java.io.IOException` - for any problem accessing the virtual file system

### openStream

    public java.io.InputStream openStream()
                                   throws java.io.IOException

  Description copied from interface: `VirtualFileHandler`
  Access the file contents.

  Returns:
    An InputStream for the file contents.
  Throws:
    `java.io.IOException` - for any problem accessing the virtual file system

### toURI

    public java.net.URI toURI()
                       throws java.net.URISyntaxException

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

  Returns:
    the full URI to the VF in the VFS.
  Throws:
    `java.net.URISyntaxException` - for an error parsing the URI

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