org.apache.aries.jpa.container.impl
Class PersistenceBundleHelper

java.lang.Object
  org.apache.aries.jpa.container.impl.PersistenceBundleHelper

public class PersistenceBundleHelper
extends Object

This helper can be used to locate persistence.xml files in a bundle

Field Summary

static String	PERSISTENCE_UNIT_HEADER The Meta-Persistence header
static String	PERSISTENCE_XML The persistence xml location
static String	WEB_CONTEXT_PATH_HEADER The Web-ContextPath header (as defined in the web application bundle spec)

Constructor Summary

PersistenceBundleHelper()

Method Summary

static Collection<PersistenceDescriptor>

findPersistenceXmlFiles(org.osgi.framework.Bundle bundle) This method locates persistence descriptor files based on a combination of the default location "META-INF/persistence.xml" and the Meta-Persistence header.

Methods inherited from class java.lang.Object

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

Field Detail

PERSISTENCE_XML

public static final String PERSISTENCE_XML

The persistence xml location

See Also:

Constant Field Values

PERSISTENCE_UNIT_HEADER

public static final String PERSISTENCE_UNIT_HEADER

The Meta-Persistence header

See Also:

Constant Field Values

WEB_CONTEXT_PATH_HEADER

public static final String WEB_CONTEXT_PATH_HEADER

The Web-ContextPath header (as defined in the web application bundle spec)

See Also:

Constant Field Values

Constructor Detail

PersistenceBundleHelper

public PersistenceBundleHelper()

Method Detail

findPersistenceXmlFiles

public static Collection<PersistenceDescriptor> findPersistenceXmlFiles(org.osgi.framework.Bundle bundle)

This method locates persistence descriptor files based on a combination of the default location "META-INF/persistence.xml" and the Meta-Persistence header. Note that getEntry is used to ensure we do not alter the state of the bundle Note also that web application bundles will never return persistence descriptors

Parameters:

bundle - The bundle to search

Returns: