org.springframework.orm.jpa.persistenceunit
Class PersistenceUnitReader

java.lang.Object
  org.springframework.orm.jpa.persistenceunit.PersistenceUnitReader

 class PersistenceUnitReader
extends java.lang.Object

Internal helper class for reading persistence.xml files.

Since:

2.0

Author:

Costin Leau, Juergen Hoeller

Field Summary

private DataSourceLookup	dataSourceLookup
private static java.lang.String	EXCLUDE_UNLISTED_CLASSES
private static java.lang.String	JAR_FILE_URL
private static java.lang.String	JTA_DATA_SOURCE
private Log	logger
private static java.lang.String	MANAGED_CLASS_NAME
private static java.lang.String	MAPPING_FILE_NAME
private static java.lang.String	META_INF
private static java.lang.String	NON_JTA_DATA_SOURCE
private static java.lang.String	PERSISTENCE_UNIT
private static java.lang.String	PERSISTENCE_VERSION
private static java.lang.String	PROPERTIES
private static java.lang.String	PROVIDER
private ResourcePatternResolver	resourcePatternResolver
private static java.lang.String	SHARED_CACHE_MODE
private static java.lang.String	TRANSACTION_TYPE
private static java.lang.String	UNIT_NAME
private static java.lang.String	VALIDATION_MODE

Constructor Summary

PersistenceUnitReader(ResourcePatternResolver resourcePatternResolver, DataSourceLookup dataSourceLookup)
Create a new PersistenceUnitReader.

Method Summary

protected org.w3c.dom.Document	buildDocument(org.xml.sax.ErrorHandler handler, java.io.InputStream stream) Validate the given stream and return a valid DOM document for parsing.
protected java.net.URL	determinePersistenceUnitRootUrl(Resource resource) Determine the persistence unit root URL based on the given resource (which points to the persistence.xml file we're reading).
protected void	parseClass(org.w3c.dom.Element persistenceUnit, SpringPersistenceUnitInfo unitInfo) Parse the class XML elements.
protected java.util.List<SpringPersistenceUnitInfo>	parseDocument(Resource resource, org.w3c.dom.Document document, java.util.List<SpringPersistenceUnitInfo> infos) Parse the validated document and add entries to the given unit info list.
protected void	parseJarFiles(org.w3c.dom.Element persistenceUnit, SpringPersistenceUnitInfo unitInfo) Parse the jar-file XML elements.
protected void	parseMappingFiles(org.w3c.dom.Element persistenceUnit, SpringPersistenceUnitInfo unitInfo) Parse the mapping-file XML elements.
protected SpringPersistenceUnitInfo	parsePersistenceUnitInfo(org.w3c.dom.Element persistenceUnit, java.lang.String version) Parse the unit info DOM element.
protected void	parseProperty(org.w3c.dom.Element persistenceUnit, SpringPersistenceUnitInfo unitInfo) Parse the property XML elements.
SpringPersistenceUnitInfo[]	readPersistenceUnitInfos(java.lang.String persistenceXmlLocation) Parse and build all persistence unit infos defined in the specified XML file(s).
SpringPersistenceUnitInfo[]	readPersistenceUnitInfos(java.lang.String[] persistenceXmlLocations) Parse and build all persistence unit infos defined in the given XML files.

Methods inherited from class java.lang.Object

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

Field Detail

PERSISTENCE_VERSION

private static final java.lang.String PERSISTENCE_VERSION

See Also:

Constant Field Values

PERSISTENCE_UNIT

private static final java.lang.String PERSISTENCE_UNIT

See Also:

Constant Field Values

UNIT_NAME

private static final java.lang.String UNIT_NAME

See Also:

Constant Field Values

MAPPING_FILE_NAME

private static final java.lang.String MAPPING_FILE_NAME

See Also:

Constant Field Values

JAR_FILE_URL

private static final java.lang.String JAR_FILE_URL

See Also:

Constant Field Values

MANAGED_CLASS_NAME

private static final java.lang.String MANAGED_CLASS_NAME

See Also:

Constant Field Values

PROPERTIES

private static final java.lang.String PROPERTIES

See Also:

Constant Field Values

PROVIDER

private static final java.lang.String PROVIDER

See Also:

Constant Field Values

TRANSACTION_TYPE

private static final java.lang.String TRANSACTION_TYPE

See Also:

Constant Field Values

JTA_DATA_SOURCE

private static final java.lang.String JTA_DATA_SOURCE

See Also:

Constant Field Values

NON_JTA_DATA_SOURCE

private static final java.lang.String NON_JTA_DATA_SOURCE

See Also:

Constant Field Values

EXCLUDE_UNLISTED_CLASSES

private static final java.lang.String EXCLUDE_UNLISTED_CLASSES

See Also:

Constant Field Values

SHARED_CACHE_MODE

private static final java.lang.String SHARED_CACHE_MODE

See Also:

Constant Field Values

VALIDATION_MODE

private static final java.lang.String VALIDATION_MODE

See Also:

Constant Field Values

META_INF

private static final java.lang.String META_INF

See Also:

Constant Field Values

logger

private final Log logger

resourcePatternResolver

private final ResourcePatternResolver resourcePatternResolver

dataSourceLookup

private final DataSourceLookup dataSourceLookup

Constructor Detail

PersistenceUnitReader

public PersistenceUnitReader(ResourcePatternResolver resourcePatternResolver,
                             DataSourceLookup dataSourceLookup)

Create a new PersistenceUnitReader.

Parameters:

resourcePatternResolver - the ResourcePatternResolver to use for loading resources

dataSourceLookup - the DataSourceLookup to resolve DataSource names in persistence.xml files against

Method Detail

readPersistenceUnitInfos

public SpringPersistenceUnitInfo[] readPersistenceUnitInfos(java.lang.String persistenceXmlLocation)

Parse and build all persistence unit infos defined in the specified XML file(s).

Parameters:

persistenceXmlLocation - the resource location (can be a pattern)

Returns:

the resulting PersistenceUnitInfo instances

readPersistenceUnitInfos

public SpringPersistenceUnitInfo[] readPersistenceUnitInfos(java.lang.String[] persistenceXmlLocations)

Parse and build all persistence unit infos defined in the given XML files.

Parameters:

persistenceXmlLocations - the resource locations (can be patterns)

Returns:

the resulting PersistenceUnitInfo instances

buildDocument

protected org.w3c.dom.Document buildDocument(org.xml.sax.ErrorHandler handler,
                                             java.io.InputStream stream)
                                      throws javax.xml.parsers.ParserConfigurationException,
                                             org.xml.sax.SAXException,
                                             java.io.IOException

Validate the given stream and return a valid DOM document for parsing.

Throws:

javax.xml.parsers.ParserConfigurationException

org.xml.sax.SAXException

java.io.IOException

parseDocument

protected java.util.List<SpringPersistenceUnitInfo> parseDocument(Resource resource,
                                                                  org.w3c.dom.Document document,
                                                                  java.util.List<SpringPersistenceUnitInfo> infos)
                                                           throws java.io.IOException

Parse the validated document and add entries to the given unit info list.

Throws:

java.io.IOException

determinePersistenceUnitRootUrl

protected java.net.URL determinePersistenceUnitRootUrl(Resource resource)
                                                throws java.io.IOException

Determine the persistence unit root URL based on the given resource (which points to the persistence.xml file we're reading).

Parameters:

resource - the resource to check

Returns:

the corresponding persistence unit root URL

Throws:

java.io.IOException - if the checking failed

parsePersistenceUnitInfo

protected SpringPersistenceUnitInfo parsePersistenceUnitInfo(org.w3c.dom.Element persistenceUnit,
                                                             java.lang.String version)
                                                      throws java.io.IOException

Parse the unit info DOM element.

Throws:

java.io.IOException

parseProperty

protected void parseProperty(org.w3c.dom.Element persistenceUnit,
                             SpringPersistenceUnitInfo unitInfo)

Parse the property XML elements.

parseClass

protected void parseClass(org.w3c.dom.Element persistenceUnit,
                          SpringPersistenceUnitInfo unitInfo)

Parse the class XML elements.

parseJarFiles

protected void parseJarFiles(org.w3c.dom.Element persistenceUnit,
                             SpringPersistenceUnitInfo unitInfo)
                      throws java.io.IOException

Parse the jar-file XML elements.

Throws:

java.io.IOException

parseMappingFiles

protected void parseMappingFiles(org.w3c.dom.Element persistenceUnit,
                                 SpringPersistenceUnitInfo unitInfo)

Parse the mapping-file XML elements.