visad.data
Class DirectoryRepository

java.lang.Object
  visad.data.Repository
      visad.data.DirectoryRepository

public class DirectoryRepository
extends Repository

A data object repository implemented as files in a local directory.

Nested Class Summary

class

DirectoryRepository.Enumerator Inner class for enumerating the files in the directory.

Field Summary

protected File	dir The directory.
protected String	dirString Unambiguous representation of directory for error messages.

Fields inherited from class visad.data.Repository

forms

Constructor Summary

DirectoryRepository(String name, String location)
Construct a directory repository with support for the default forms of data.

Method Summary

protected String	fullName(String id) Return the fully-qualified name of a persistent data object.
Enumeration	getEnumeration() Return an enumeration of the data objects in this repository.
static void	main(String[] args) Test this class.

Methods inherited from class visad.data.Repository

add, getForms, getForms, getLocation, getName, open, open, save, save

Methods inherited from class java.lang.Object

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

Field Detail

dir

protected File dir

The directory. Effectively "final" if the constructor succeeds.

dirString

protected String dirString

Unambiguous representation of directory for error messages. Effectively "final" if the constructor succeeds.

Constructor Detail

DirectoryRepository

public DirectoryRepository(String name,
                           String location)
                    throws BadRepositoryException,
                           IOException

Construct a directory repository with support for the default forms of data.

Throws:

BadRepositoryException

IOException

Method Detail

getEnumeration

public Enumeration getEnumeration()
                           throws BadRepositoryException,
                                  SecurityException

Return an enumeration of the data objects in this repository.

Specified by:

getEnumeration in class Repository

Throws:

BadRepositoryException

SecurityException

fullName

protected String fullName(String id)

Return the fully-qualified name of a persistent data object.

Specified by:

fullName in class Repository

main

public static void main(String[] args)
                 throws BadRepositoryException,
                        IOException

Test this class.

Throws:

BadRepositoryException

IOException