org.crsh.vfs.spi.servlet
Class ServletContextDriver

java.lang.Object
  org.crsh.vfs.spi.AbstractFSDriver<String>
      org.crsh.vfs.spi.servlet.ServletContextDriver

All Implemented Interfaces:

FSDriver<String>

public class ServletContextDriver
extends AbstractFSDriver<String>

Field Summary

private javax.servlet.ServletContext	ctx .
(package private) static Pattern	pathPattern A valid path.
private String	root .

Constructor Summary

ServletContextDriver(javax.servlet.ServletContext ctx, String root)

Method Summary

private Matcher	assertMatch(String path)
Iterable<String>	children(String parent)
long	getLastModified(String handle)
boolean	isDir(String file)
String	name(String file)
InputStream	open(String handle)
String	root() Returns the root handle.
URL	toURL(String file) The implementation attempts to get an URL that will be valid for the file system first (when the war is usually exploded) and if it is not able, it will delegate to ServletContext.getResource(String).

Methods inherited from class org.crsh.vfs.spi.AbstractFSDriver

child

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

pathPattern

static final Pattern pathPattern

A valid path.

ctx

private final javax.servlet.ServletContext ctx

.

root

private final String root

.

Constructor Detail

ServletContextDriver

public ServletContextDriver(javax.servlet.ServletContext ctx,
                            String root)

Method Detail

root

public String root()
            throws IOException

Description copied from interface: FSDriver

Returns the root handle.

Returns:

the root handle

Throws:

IOException - any io exception

name

public String name(String file)
            throws IOException

Throws:

IOException

isDir

public boolean isDir(String file)
              throws IOException

Throws:

IOException

children

public Iterable<String> children(String parent)
                          throws IOException

Throws:

IOException

toURL

public URL toURL(String file)
          throws IOException

The implementation attempts to get an URL that will be valid for the file system first (when the war is usually exploded) and if it is not able, it will delegate to ServletContext.getResource(String).

Parameters:

file - the file path

Returns:

the URL

Throws:

IOException - any io exception

getLastModified

public long getLastModified(String handle)
                     throws IOException

Throws:

IOException

open

public InputStream open(String handle)
                 throws IOException

Throws:

IOException

assertMatch

private Matcher assertMatch(String path)