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org.crsh.vfs.spi.servlet
Class ServletContextDriver

java.lang.Object
  extended by org.crsh.vfs.spi.AbstractFSDriver<String>
      extended by org.crsh.vfs.spi.servlet.ServletContextDriver
All Implemented Interfaces:
FSDriver<String>
public class ServletContextDriver
extends AbstractFSDriver<String>

    

  

  

  

  

  

    

      Field Summary
    

    

      private  ServletContext
      ctx

                .		
    

    

      (package private) static Pattern
      pathPattern

                A valid path.		
    

    

      private  String
      root

                .		
    

  
  
  

    

      Constructor Summary
    

    

      ServletContextDriver(ServletContext ctx, String root)

                 		
    

  
  
  

    

      Method Summary
    

    

      private  Matcher
      assertMatch(String path)

                 		
    

    

       Iterable<String>
      children(String parent)

                Returns an iterable over the children of of a specific directory handle.		
    

    

       long
      getLastModified(String handle)

                Return the last modified date timestamp of an handle.		
    

    

       boolean
      isDir(String file)

                Returns true if the handle represent a directory.		
    

    

       String
      name(String file)

                Returns the name of the handle.		
    

    

       Iterator<InputStream>
      open(String handle)

                Return an iterator over the resources represented by the specified file 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 ServletContext ctx

  

    

      .
      

      

    

  

  

  
  
root

  
private final String root

  

    

      .
      

      

    

  

  

    

      Constructor Detail
    

  

  
ServletContextDriver

  
public ServletContextDriver(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

  

    
Description copied from interface: FSDriver

    

      Returns the name of the handle.
      

    

    

      

        
Parameters:

        
file - the handle

        
Returns:

        
the handle name

        
Throws:

        
IOException - any io exception

      

    

  

  

  
  
isDir

  
public boolean isDir(String file)
              throws IOException

  

    
Description copied from interface: FSDriver

    

      Returns true if the handle represent a directory.
      

    

    

      

        
Parameters:

        
file - the handle

        
Returns:

        
true if the handle is a directory, false otherwise

        
Throws:

        
IOException - any io exception

      

    

  

  

  
  
children

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

  

    
Description copied from interface: FSDriver

    

      Returns an iterable over the children of of a specific directory handle.
      

    

    

      

        
Parameters:

        
parent - the directory handle

        
Returns:

        
the children as an iterable

        
Throws:

        
IOException - any io exception

      

    

  

  

  
  
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

  

    
Description copied from interface: FSDriver

    

      Return the last modified date timestamp of an handle.
      

    

    

      

        
Parameters:

        
handle - the handle

        
Returns:

        
the last modified timestamp

        
Throws:

        
IOException - any io exception

      

    

  

  

  
  
open

  
public Iterator<InputStream> open(String handle)
                           throws IOException

  

    
Description copied from interface: FSDriver

    

      Return an iterator over the resources represented by the specified file handle.
      

    

    

      

        
Parameters:

        
handle - the file handle

        
Returns:

        
the iterator

        
Throws:

        
IOException - any io exception

      

    

  

  

  
  
assertMatch

  
private Matcher assertMatch(String path)

  

    

      

    

  

  

   
  

    

      
        
        

          

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