/**
* Build a persistence.xml file into a SEPersistenceUnitInfo object. May eventually change this to
* use OX mapping as well.
*/
private static List<SEPersistenceUnitInfo> processPersistenceXML(
URL baseURL, InputStream input, ClassLoader loader) {
SAXParserFactory spf = XMLHelper.createParserFactory(false);
XMLReader xmlReader = null;
SAXParser sp = null;
XMLExceptionHandler xmlErrorHandler = new XMLExceptionHandler();
// 247735 - remove the validation of XML.
// create a SAX parser
try {
sp = spf.newSAXParser();
} catch (ParserConfigurationException | SAXException exc) {
throw XMLParseException.exceptionCreatingSAXParser(baseURL, exc);
}
// create an XMLReader
try {
xmlReader = sp.getXMLReader();
xmlReader.setErrorHandler(xmlErrorHandler);
} catch (org.xml.sax.SAXException exc) {
throw XMLParseException.exceptionCreatingXMLReader(baseURL, exc);
}
PersistenceContentHandler myContentHandler = new PersistenceContentHandler();
xmlReader.setContentHandler(myContentHandler);
InputSource inputSource = new InputSource(input);
try {
xmlReader.parse(inputSource);
} catch (IOException exc) {
throw PersistenceUnitLoadingException.exceptionProcessingPersistenceXML(baseURL, exc);
} catch (org.xml.sax.SAXException exc) {
// XMLErrorHandler will handle SAX exceptions
}
// handle any parse exceptions
XMLException xmlError = xmlErrorHandler.getXMLException();
if (xmlError != null) {
throw PersistenceUnitLoadingException.exceptionProcessingPersistenceXML(baseURL, xmlError);
}
Iterator<SEPersistenceUnitInfo> persistenceInfos =
myContentHandler.getPersistenceUnits().iterator();
while (persistenceInfos.hasNext()) {
SEPersistenceUnitInfo info = persistenceInfos.next();
info.setPersistenceUnitRootUrl(baseURL);
info.setClassLoader(loader);
info.setNewTempClassLoader(loader);
}
return myContentHandler.getPersistenceUnits();
}
/**
* Return a list of Archives representing the root of the persistence descriptor. It is the
* caller's responsibility to close all the archives.
*
* @param loader the class loader to get the class path from
*/
public static Set<Archive> findPersistenceArchives(
ClassLoader loader, String descriptorPath, List<URL> jarFileUrls) {
Archive archive = null;
Set<Archive> archives = new HashSet<Archive>();
// See if we are talking about an embedded descriptor
// If not embedded descriptor then just use the regular descriptor path
int splitPosition = descriptorPath.indexOf("!/");
if (splitPosition != -1) {
// It is an embedded archive, so split up the parts
descriptorPath = descriptorPath.substring(splitPosition + 2);
}
try {
for (int i = 0; i < jarFileUrls.size(); i++) {
URL puRootUrl = jarFileUrls.get(i);
archive =
PersistenceUnitProcessor.getArchiveFactory(loader)
.createArchive(puRootUrl, descriptorPath, null);
// archive = new BundleArchive(puRootUrl, descUrl);
if (archive != null) {
archives.add(archive);
}
}
} catch (Exception ex) {
// clean up first
for (Archive a : archives) {
a.close();
}
throw PersistenceUnitLoadingException.exceptionSearchingForPersistenceResources(loader, ex);
}
return archives;
}
/** Load the given class name with the given class loader. */
public static Class loadClass(
String className,
ClassLoader loader,
boolean throwExceptionIfNotFound,
MetadataProject project) {
Class candidateClass = null;
try {
candidateClass = loader.loadClass(className);
} catch (ClassNotFoundException exc) {
if (throwExceptionIfNotFound) {
throw PersistenceUnitLoadingException.exceptionLoadingClassWhileLookingForAnnotations(
className, exc);
} else {
AbstractSessionLog.getLog()
.log(
AbstractSessionLog.WARNING,
"persistence_unit_processor_error_loading_class",
exc.getClass().getName(),
exc.getLocalizedMessage(),
className);
}
} catch (NullPointerException npe) {
// Bug 227630: If any weavable class is not found in the temporary
// classLoader - disable weaving
AbstractSessionLog.getLog()
.log(
AbstractSessionLog.WARNING,
AbstractSessionLog.WEAVER,
"persistence_unit_processor_error_loading_class_weaving_disabled",
loader,
project.getPersistenceUnitInfo().getPersistenceUnitName(),
className);
// Disable weaving (for 1->1 and many->1)only if the classLoader
// returns a NPE on loadClass()
project.disableWeaving();
} catch (Exception exception) {
AbstractSessionLog.getLog()
.log(
AbstractSessionLog.WARNING,
AbstractSessionLog.WEAVER,
"persistence_unit_processor_error_loading_class",
exception.getClass().getName(),
exception.getLocalizedMessage(),
className);
} catch (Error error) {
AbstractSessionLog.getLog()
.log(
AbstractSessionLog.WARNING,
AbstractSessionLog.WEAVER,
"persistence_unit_processor_error_loading_class",
error.getClass().getName(),
error.getLocalizedMessage(),
className);
throw error;
}
return candidateClass;
}
/**
* Go through the jar file for this PersistenceUnitProcessor and process any XML provided in it.
*/
public static List<SEPersistenceUnitInfo> processPersistenceArchive(
Archive archive, ClassLoader loader) {
URL puRootURL = archive.getRootURL();
try {
return processPersistenceXML(puRootURL, archive.getDescriptorStream(), loader);
} catch (Exception e) {
throw PersistenceUnitLoadingException.exceptionLoadingFromUrl(puRootURL.toString(), e);
}
}
/**
* Build the unique persistence name by concatenating the decoded URL with the persistence unit
* name. A decoded URL is required while persisting on a multi-bytes OS.
*
* @param URL
* @param puName
* @return String
*/
public static String buildPersistenceUnitName(URL url, String puName) {
String fullPuName = null;
try {
// append the persistence unit name to the decoded URL
fullPuName = URLDecoder.decode(url.toString(), "UTF8") + "_" + puName;
} catch (UnsupportedEncodingException e) {
throw PersistenceUnitLoadingException.couldNotBuildPersistenceUntiName(
e, url.toString(), puName);
}
return fullPuName;
}
public static ArchiveFactory getArchiveFactory(ClassLoader loader) {
if (ARCHIVE_FACTORY != null) {
return ARCHIVE_FACTORY;
}
ArchiveFactory factory = null;
String factoryClassName = System.getProperty(SystemProperties.ARCHIVE_FACTORY, null);
if (factoryClassName == null) {
return new ArchiveFactoryImpl();
} else {
try {
if (loader != null) {
Class archiveClass = loader.loadClass(factoryClassName);
if (PrivilegedAccessHelper.shouldUsePrivilegedAccess()) {
try {
factory =
(ArchiveFactory)
AccessController.doPrivileged(
new PrivilegedNewInstanceFromClass(archiveClass));
} catch (PrivilegedActionException exception) {
throw PersistenceUnitLoadingException.exceptionCreatingArchiveFactory(
factoryClassName, exception);
}
} else {
factory = (ArchiveFactory) PrivilegedAccessHelper.newInstanceFromClass(archiveClass);
}
}
} catch (ClassNotFoundException cnfe) {
throw PersistenceUnitLoadingException.exceptionCreatingArchiveFactory(
factoryClassName, cnfe);
} catch (IllegalAccessException iae) {
throw PersistenceUnitLoadingException.exceptionCreatingArchiveFactory(
factoryClassName, iae);
} catch (InstantiationException ie) {
throw PersistenceUnitLoadingException.exceptionCreatingArchiveFactory(factoryClassName, ie);
}
}
return factory;
}
/**
* Return a list of Archives representing the root of the persistence descriptor. It is the
* caller's responsibility to close all the archives.
*
* @param loader the class loader to get the class path from
*/
public static Set<Archive> findPersistenceArchives(ClassLoader loader, String descriptorPath) {
Archive archive = null;
Set<Archive> archives = new HashSet<Archive>();
// See if we are talking about an embedded descriptor
int splitPosition = descriptorPath.indexOf("!/");
try {
// If not embedded descriptor then just use the regular descriptor path
if (splitPosition == -1) {
Enumeration<URL> resources = loader.getResources(descriptorPath);
while (resources.hasMoreElements()) {
URL descUrl = resources.nextElement();
if (descUrl != null) {
URL puRootUrl = computePURootURL(descUrl, descriptorPath);
archive =
PersistenceUnitProcessor.getArchiveFactory(loader)
.createArchive(puRootUrl, descriptorPath, null);
// archive = new BundleArchive(puRootUrl, descUrl);
if (archive != null) {
archives.add(archive);
}
}
}
} else {
// It is an embedded archive, so split up the parts
String jarPrefixPath = descriptorPath.substring(0, splitPosition);
String descPath = descriptorPath.substring(splitPosition + 2);
// TODO This causes the bundle to be resolved (not what we want)!
URL prefixUrl = loader.getResource(jarPrefixPath);
archive =
PersistenceUnitProcessor.getArchiveFactory(loader)
.createArchive(prefixUrl, descPath, null);
if (archive != null) {
archives.add(archive);
}
}
} catch (Exception ex) {
// clean up first
for (Archive a : archives) {
a.close();
}
throw PersistenceUnitLoadingException.exceptionSearchingForPersistenceResources(loader, ex);
}
return archives;
}
/**
* INTERNAL:
* translate validation group specified as fully qualifed class names deliminated by ',' into Class[]
* @param validationGroups Array of "," deliminated fully qualified class names
* @param appClassLoader The classloader for application
* @return Array of classes corresponding to classnames in given <code>validationGroups</code>.
* <code>null<code> if given <code>validationGroups</code> is null or empty
*/
private Class[] translateValidationGroups(String validationGroups, ClassLoader appClassLoader) {
Class[] validationGroupsClasses = null;
if (validationGroups != null && validationGroups.length() != 0) {
String[] validationGroupClassNames = validationGroups.split(",");
validationGroupsClasses = new Class[validationGroupClassNames.length];
for (int i = 0; i < validationGroupClassNames.length; i++) {
String validationGroupClassName = validationGroupClassNames[i];
try {
validationGroupsClasses[i] = loadClass(validationGroupClassName, appClassLoader);
} catch (Exception e) {
throw PersistenceUnitLoadingException
.exceptionLoadingClassWhileInitializingValidationGroups(
validationGroupClassName, e);
}
}
}
return validationGroupsClasses;
}
