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Java Source Code / Java Documentation » Web Server » JicarillaHTTP » org.jicarilla.io 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.jicarilla.io.FilesystemImpl

FilesystemImpl
public class FilesystemImpl implements Filesystem(Code)

author:
   Leo Simons
version:
   $Id: FilesystemImpl.java,v 1.6 2004/03/31 12:10:59 lsimons Exp $

Inner Class :protected static class FileChannelWrapper

Field Summary
protected  Mapm_openFiles
    
protected  Filem_rootDirectory
    

Constructor Summary
public  FilesystemImpl(String rootDirectory)
    

Method Summary
protected  voidaddOpenFile(FileChannel fc, FileInputStream fis)
     Keep a reference to the provided FileInputStream around in order to be able to close it when it is fed to FilesystemImpl.returnFile(ReadableByteChannel) .
protected  voidcheckPathIsAllowed(String absolutePath)
    
public synchronized  ReadableByteChannelgetFile(String relativePath)
    
protected  FileChannelgetFileChannel(File file)
     Retrieve a FileChannel pointing to the provided file.
Parameters:
  file - the file to retrieve the associated FileChannelfor.
protected  FilegetFileFromRelativePath(String relativePath)
     Transform a path relative to the root directory to a File .
protected  StringgetFullPath(String relativePath)
     Transform a path relative to the root directory to an absolute path.
protected synchronized  MapgetOpenFiles()
    
protected synchronized  FilegetRootDirectory()
    
protected  voidreturnChannel(FileChannel fc)
     Remove the reference to the provided FileInputStream and close it if it existed before.
public synchronized  voidreturnFile(ReadableByteChannel channel)
    
protected synchronized  voidsetOpenFiles(Map openFiles)
    
protected synchronized  voidsetRootDirectory(File root)
    

Field Detail
m_openFiles
protected Map m_openFiles(Code)



m_rootDirectory
protected File m_rootDirectory(Code)




Constructor Detail
FilesystemImpl
public FilesystemImpl(String rootDirectory)(Code)




Method Detail
addOpenFile
protected void addOpenFile(FileChannel fc, FileInputStream fis)(Code)
Keep a reference to the provided FileInputStream around in order to be able to close it when it is fed to FilesystemImpl.returnFile(ReadableByteChannel) .
Parameters:
  fc - the channel associated with the stream.
Parameters:
  fis - the stream to keep around.



checkPathIsAllowed
protected void checkPathIsAllowed(String absolutePath)(Code)
Tries to make sure that the provided path lives somewhere inside m_rootDirectory}.
Parameters:
  absolutePath - the path to check for location validity.
throws:
  SecurityException - if the file does not live insidethe root directory.



getFile
public synchronized ReadableByteChannel getFile(String relativePath) throws FileNotFoundException(Code)



getFileChannel
protected FileChannel getFileChannel(File file) throws FileNotFoundException(Code)
Retrieve a FileChannel pointing to the provided file.
Parameters:
  file - the file to retrieve the associated FileChannelfor. the FileChannel pointing to the provided file.
throws:
  FileNotFoundException - if the specified file cannot be found,the provided path points to a directory or to a file from whichcannot be read.
throws:
  SecurityException - if access to the file is denied.



getFileFromRelativePath
protected File getFileFromRelativePath(String relativePath) throws FileNotFoundException(Code)
Transform a path relative to the root directory to a File .
Parameters:
  relativePath - the path to transform. a File instance pointing to the specified path.
throws:
  FileNotFoundException - if the specified file cannot be found,the provided path points to a directory or to a file from whichcannot be read.
throws:
  SecurityException - if access to the file is denied.



getFullPath
protected String getFullPath(String relativePath)(Code)
Transform a path relative to the root directory to an absolute path.
Parameters:
  relativePath - the path to transform. an absolute path to the same location.
throws:
  SecurityException - if access to the file is denied.



getOpenFiles
protected synchronized Map getOpenFiles()(Code)



getRootDirectory
protected synchronized File getRootDirectory()(Code)



returnChannel
protected void returnChannel(FileChannel fc)(Code)
Remove the reference to the provided FileInputStream and close it if it existed before.
Parameters:
  fc - the channel associated with the stream.



returnFile
public synchronized void returnFile(ReadableByteChannel channel)(Code)



setOpenFiles
protected synchronized void setOpenFiles(Map openFiles)(Code)



setRootDirectory
protected synchronized void setRootDirectory(File root)(Code)



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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