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

Nested Classes

Modifier and Type	Class and Description
class	DirectoryRepository.Enumerator Inner class for enumerating the files in the directory.

Field Summary

Fields

Modifier and Type	Field and Description
protected java.io.File	dir The directory.
protected java.lang.String	dirString Unambiguous representation of directory for error messages.

Fields inherited from class visad.data.Repository

forms

Constructor Summary

Constructors

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

Method Summary

Methods

Modifier and Type	Method and Description
protected java.lang.String	fullName(java.lang.String id) Return the fully-qualified name of a persistent data object.
java.util.Enumeration	getEnumeration() Return an enumeration of the data objects in this repository.
static void	main(java.lang.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 java.io.File dir

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

dirString

protected java.lang.String dirString

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

Constructor Detail

DirectoryRepository

public DirectoryRepository(java.lang.String name,
                   java.lang.String location)
                    throws BadRepositoryException,
                           java.io.IOException

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

Throws:

BadRepositoryException

java.io.IOException

Method Detail

getEnumeration

public java.util.Enumeration getEnumeration()
                                     throws BadRepositoryException,
                                            java.lang.SecurityException

Return an enumeration of the data objects in this repository.

Specified by:

getEnumeration in class Repository

Throws:

BadRepositoryException

java.lang.SecurityException

fullName

protected java.lang.String fullName(java.lang.String id)

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

Specified by:

fullName in class Repository

main

public static void main(java.lang.String[] args)
                 throws BadRepositoryException,
                        java.io.IOException

Test this class.

Throws:

BadRepositoryException

java.io.IOException