org.apache.openjpa.lib.meta
Class ZipFileMetaDataIterator

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

All Implemented Interfaces:

MetaDataFilter.Resource, MetaDataIterator, Closeable

public class ZipFileMetaDataIterator
extends Object
implements MetaDataIterator, MetaDataFilter.Resource

Iterator over all metadata resources in a given zip file.

Author:

Abe White

Constructor Summary

ZipFileMetaDataIterator(URL url, MetaDataFilter filter)
Constructor; supply zip/jar URL and optional file filter.

ZipFileMetaDataIterator(ZipFile file, MetaDataFilter filter)
Constructor; supply zip file and optional file filter.

Method Summary

void	close() Close the resources used by this iterator.
byte[]	getContent() Resource content.
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.
String	getName() The name of the resource.
boolean	hasNext() Return whether there is another resource to iterate over.
String	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

ZipFileMetaDataIterator

public ZipFileMetaDataIterator(URL url,
                               MetaDataFilter filter)
                        throws IOException

Constructor; supply zip/jar URL and optional file filter.

Throws:

IOException

ZipFileMetaDataIterator

public ZipFileMetaDataIterator(ZipFile file,
                               MetaDataFilter filter)

Constructor; supply zip file and optional file filter.

Method Detail

hasNext

public boolean hasNext()
                throws IOException

Description copied from interface: MetaDataIterator

Return whether there is another resource to iterate over.

Specified by:

hasNext in interface MetaDataIterator

Throws:

IOException

next

public String 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

getName

public String getName()

Description copied from interface: MetaDataFilter.Resource

The name of the resource.

Specified by:

getName in interface MetaDataFilter.Resource

getContent

public byte[] getContent()
                  throws IOException

Description copied from interface: MetaDataFilter.Resource

Resource content.

Specified by:

getContent in interface MetaDataFilter.Resource

Throws:

IOException