org.apache.openjpa.lib.meta
Class FileMetaDataIterator

java.lang.Object
  org.apache.openjpa.lib.meta.FileMetaDataIterator

All Implemented Interfaces:

MetaDataIterator, Closeable

public class FileMetaDataIterator
extends Object
implements MetaDataIterator

Iterator over a file, or over all metadata resources below a given directory.

Author:

Abe White

Constructor Summary

FileMetaDataIterator(File file)
Constructor; supply metadata file.

FileMetaDataIterator(File dir, MetaDataFilter filter)
Constructor; supply root of directory tree to search and optional file filter.

Method Summary

void	close() Close the resources used by this iterator.
File	getFile() Return the last-iterated metadata resource content as a file, or null if not an extant file.
InputStream	getInputStream() Return the last-iterated metadata resource content as a stream.
boolean	hasNext() Return whether there is another resource to iterate over.
Object	next() Return the next metadata resource.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileMetaDataIterator

public FileMetaDataIterator(File file)

Constructor; supply metadata file.

FileMetaDataIterator

public FileMetaDataIterator(File dir,
                            MetaDataFilter filter)
                     throws IOException

Constructor; supply root of directory tree to search and optional file filter.

Throws:

IOException

Method Detail

hasNext

public boolean hasNext()

Description copied from interface: MetaDataIterator

Return whether there is another resource to iterate over.

Specified by:

hasNext in interface MetaDataIterator

next

public Object next()
            throws IOException

Description copied from interface: MetaDataIterator

Return the next metadata resource.

Specified by:

next in interface MetaDataIterator

Throws:

IOException

getInputStream

public InputStream getInputStream()
                           throws IOException

Description copied from interface: MetaDataIterator

Return the last-iterated metadata resource content as a stream.

Specified by:

getInputStream in interface MetaDataIterator

Throws:

IOException

getFile

public File getFile()

Description copied from interface: MetaDataIterator

Return the last-iterated metadata resource content as a file, or null if not an extant file.

Specified by:

getFile in interface MetaDataIterator

close

public void close()

Description copied from interface: MetaDataIterator

Close the resources used by this iterator.

Specified by:

close in interface MetaDataIterator

Specified by:

close in interface Closeable