oracle.toplink.essentials.ejb.cmp3.persistence

Class JarInputStreamURLArchive

java.lang.Object

oracle.toplink.essentials.ejb.cmp3.persistence.JarInputStreamURLArchive

All Implemented Interfaces:

Archive

public class JarInputStreamURLArchive
extends java.lang.Object
implements Archive

This is an implementation of Archive which is used when container returns some form of URL from which an InputStream in jar format can be obtained. e.g. jar:file:/tmp/a_ear/b.war!/WEB-INF/lib/pu.jar

Author:

Sanjeeb.Sahoo@Sun.COM

Constructor Summary

Constructors

Constructor and Description
JarInputStreamURLArchive(java.net.URL url)
JarInputStreamURLArchive(java.net.URL url, java.util.logging.Logger logger)

Method Summary

Modifier and Type	Method and Description
java.util.Iterator<java.lang.String>	getEntries() Returns an Iterator of the file entries.
java.io.InputStream	getEntry(java.lang.String entryPath) Returns the InputStream for the given entry name.
java.net.URL	getEntryAsURL(java.lang.String entryPath) Returns the URL for the given entry name.
java.net.URL	getRootURL()

Methods inherited from class java.lang.Object

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

Constructor Detail

JarInputStreamURLArchive

public JarInputStreamURLArchive(java.net.URL url)
                         throws java.io.IOException

Throws:

java.io.IOException

JarInputStreamURLArchive

public JarInputStreamURLArchive(java.net.URL url,
                                java.util.logging.Logger logger)
                         throws java.io.IOException

Throws:

java.io.IOException

Method Detail

getEntries

public java.util.Iterator<java.lang.String> getEntries()

Description copied from interface: Archive

Returns an Iterator of the file entries. Each String represents a file name relative to the root of the module.

Specified by:

getEntries in interface Archive

getEntry

public java.io.InputStream getEntry(java.lang.String entryPath)
                             throws java.io.IOException

Description copied from interface: Archive

Returns the InputStream for the given entry name. Returns null if no such entry exists. The entry name must be relative to the root of the module.

Specified by:

getEntry in interface Archive

Parameters:

entryPath - the file name relative to the root of the module.

Returns:

the InputStream for the given entry name or null if not found.

Throws:

java.io.IOException

getEntryAsURL

public java.net.URL getEntryAsURL(java.lang.String entryPath)
                           throws java.io.IOException

Description copied from interface: Archive

Returns the URL for the given entry name. Returns null if no such entry exists. The entry name must be relative to the root of the module.

Specified by:

getEntryAsURL in interface Archive

Parameters:

entryPath - the file name relative to the root of the module.

Returns:

the URL for the given entry name or null if not found.

Throws:

java.io.IOException

getRootURL

public java.net.URL getRootURL()

Specified by:

getRootURL in interface Archive

Returns:

the URL that this archive represents.