protected EMFBuilderServiceProxyHandler registerEMFBuilderService(
EMFServiceProxyHandler emfServiceProxyHandler,
String puName,
Dictionary<String, String> props) {
EMFBuilderServiceProxyHandler emfBuilderProxyHandler =
new EMFBuilderServiceProxyHandler(osgiProvider, puName, emfServiceProxyHandler);
Object emfBuilderServiceProxy = null;
try {
emfBuilderServiceProxy =
Proxy.newProxyInstance(
this.getClass().getClassLoader(),
new Class[] {EntityManagerFactoryBuilder.class},
emfBuilderProxyHandler);
} catch (Exception e) {
AbstractSessionLog.getLog()
.finest("EclipseLink OSGi - Failed to create proxy for EMF builder service: " + e);
}
try {
String[] serviceInterfaces = new String[] {EntityManagerFactoryBuilder.class.getName()};
context.registerService(serviceInterfaces, emfBuilderServiceProxy, props);
} catch (Exception e) {
AbstractSessionLog.getLog()
.finest("EclipseLink OSGi could not register EMF Builder service for " + puName + e);
}
AbstractSessionLog.getLog()
.finer("EclipseLink OSGi registered EMF Builder service for " + puName);
return emfBuilderProxyHandler;
}
/** 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;
}
/** Initialize the logging file if it is specified by the system property. */
public static void initializeTopLinkLoggingFile() {
String loggingFile = System.getProperty(PersistenceUnitProperties.LOGGING_FILE);
try {
if (loggingFile != null) {
AbstractSessionLog.getLog().setWriter(new FileWriter(loggingFile));
}
} catch (IOException e) {
AbstractSessionLog.getLog()
.log(SessionLog.WARNING, "cmp_init_default_logging_file_is_invalid", loggingFile, e);
}
}
// EclipseLink-specific logging functions
protected void openEclipseLinkLogFileIfSpecified() {
String loggingFile = System.getProperty(PersistenceUnitProperties.LOGGING_FILE);
try {
if (loggingFile != null) {
eclipseLinkLog = new FileWriter(loggingFile);
AbstractSessionLog.getLog().setWriter(eclipseLinkLog);
}
} catch (IOException e) {
AbstractSessionLog.getLog()
.log(SessionLog.WARNING, "cmp_init_default_logging_file_is_invalid", loggingFile, e);
}
}
/**
* INTERNAL: This method perform all necessary steps(verification, pre-build the target directory)
* prior to the invocation of the weaving function.
*/
private void preProcess() throws URISyntaxException, MalformedURLException {
// Instantiate default session log
AbstractSessionLog.getLog().setLevel(this.logLevel);
if (logWriter != null) {
((DefaultSessionLog) AbstractSessionLog.getLog()).setWriter(logWriter);
}
// Make sure the source is existing
if (!(new File(Helper.toURI(source)).exists())) {
throw StaticWeaveException.missingSource();
}
URI targetURI = Helper.toURI(target);
// Verification target and source, two use cases create warning or exception.
// 1. If source is directory and target is jar -
// This will lead unknown outcome, user attempt to use this tool to pack outcome into a Jar.
// Warning message will be logged, this is can be worked around by other utilities.
// 2. Both source and target are specified as a same jar -
// User was trying to perform weaving in same Jar which is not supported, an Exception will be
// thrown.
if (isDirectory(source) && targetURI.toString().endsWith(".jar")) {
AbstractSessionLog.getLog()
.log(
SessionLog.WARNING,
ToStringLocalization.buildMessage(
"staticweave_processor_unknown_outcome", new Object[] {null}));
}
if (!isDirectory(source) && target.toString().equals(source.toString())) {
throw StaticWeaveException.weaveInplaceForJar(source.toString());
}
// pre-create target if it is directory and dose not exist.
// Using the method File.isDirectory() is not enough to determine what the type(dir or jar)
// of the target(specified by URL)that user want to create. File.isDirectory() will return false
// in
// two possibilities, the location either is not directory or the location dose not exist.
// Therefore pre-build of the directory target is required. Pre-build for the file(JAR) target
// is not required since it gets built automatically by opening outputstream.
if (!(new File(targetURI)).exists()) {
if (!targetURI.toString().endsWith(".jar")) {
(new File(targetURI)).mkdirs();
// if directory fails to build, which may leads to unknown outcome since it will
// be treated as single file in the class StaticWeaveHandler and automatically gets built
// by outputstream.
// re-assign URL.
target = (new File(targetURI)).toURL();
}
}
}
/**
* This method fixes incorrect authority attribute that is set by JDK when UNC is used in
* classpath. See JDK bug #6585937 and GlassFish issue #3209 for more details.
*/
private static URL fixUNC(URL url)
throws URISyntaxException, MalformedURLException, UnsupportedEncodingException {
String protocol = url.getProtocol();
if (!"file".equalsIgnoreCase(protocol)) {
return url;
}
String authority = url.getAuthority();
String file = url.getFile();
if (authority != null) {
AbstractSessionLog.getLog()
.finer(
"fixUNC: before fixing: url = "
+ url
+ ", authority = "
+ authority
+ ", file = "
+ file);
assert (url.getPort() == -1);
// See GlassFish issue https://glassfish.dev.java.net/issues/show_bug.cgi?id=3209 and
// JDK issue http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6585937
// When there is UNC path in classpath, the classloader.getResource
// returns a file: URL with an authority component in it.
// The URL looks like this:
// file://ahost/afile.
// Interestingly, authority and file components for the above URL
// are either "ahost" and "/afile" or "" and "//ahost/afile" depending on
// how the URL is obtained. If classpath is set as a jar with UNC,
// the former is true, if the classpath is set as a directory with UNC,
// the latter is true.
String prefix = "";
if (authority.length() > 0) {
prefix = "////";
} else if (file.startsWith("//")) {
prefix = "//";
}
file = prefix.concat(authority).concat(file);
url = new URL(protocol, null, file);
AbstractSessionLog.getLog()
.finer(
"fixUNC: after fixing: url = "
+ url
+ ", authority = "
+ url.getAuthority()
+ ", file = "
+ url.getFile());
}
return url;
}
/**
* This method initializes the container. Essentially, it will try to load the class that contains
* the list of entities and reflectively call the method that contains that list. It will then
* initialize the container with that list.
*/
public void initialize(Map m) {
boolean keepInitialMaps = keepAllPredeployedPersistenceUnits();
if (keepInitialMaps) {
this.initialPuInfos = new HashMap();
}
// always create initialEmSetupImpls - it's used to check for puName uniqueness in
// initPersistenceUnits
this.initialEmSetupImpls = new HashMap();
// ailitchev - copied from findPersistenceUnitInfoInArchives: mkeith - get resource name from
// prop and include in subsequent call
String descriptorPath = (String) m.get(PersistenceUnitProperties.ECLIPSELINK_PERSISTENCE_XML);
final Set<Archive> pars;
if (descriptorPath != null) {
pars =
PersistenceUnitProcessor.findPersistenceArchives(
initializationClassloader, descriptorPath);
} else {
pars = PersistenceUnitProcessor.findPersistenceArchives(initializationClassloader);
}
try {
for (Archive archive : pars) {
AbstractSessionLog.getLog().log(SessionLog.FINER, "cmp_init_initialize", archive);
initPersistenceUnits(archive, m);
}
} finally {
for (Archive archive : pars) {
archive.close();
}
this.initialEmSetupImpls = null;
}
}
protected void closeEclipseLinkLogFileIfNecessary() {
// Reset to default
AbstractSessionLog.setLog(new DefaultSessionLog());
try {
if (eclipseLinkLog != null) {
eclipseLinkLog.close();
}
} catch (IOException e) {
}
}
protected void registerEMFServices(String[] persistenceUnitNames) {
for (String puName : persistenceUnitNames) {
AbstractSessionLog.getLog()
.finest("EclipseLink OSGi - registering services for PU '" + puName + "'");
// Assemble the properties
Dictionary<String, String> props = new Hashtable<String, String>();
props.put("osgi.unit.name", puName);
props.put("osgi.unit.provider", PersistenceProvider.class.getName());
EMFServiceProxyHandler emfServiceProxyHandler = registerEMFService(puName, props);
registerEMFBuilderService(emfServiceProxyHandler, puName, props);
}
}
/** Store a reference to a bundle as it is started so the bundle can be accessed later. */
private void registerBundle(Bundle bundle) {
if ((bundle.getState() & (Bundle.STARTING | Bundle.RESOLVED | Bundle.ACTIVE)) != 0) {
AbstractSessionLog.getLog()
.finest(
"EclipseLink OSGi - examining bundle: "
+ bundle.getSymbolicName()
+ "_"
+ bundle.getBundleId());
if (!PersistenceProvider.includesBundle(bundle)) {
try {
String[] persistenceUnitNames = getPersistenceUnitNames(bundle);
if (persistenceUnitNames != null) {
// Bundle contains persistence unit(s)
PersistenceProvider.addBundle(bundle, persistenceUnitNames);
registerEMFServices(persistenceUnitNames);
}
} catch (Exception e) {
AbstractSessionLog.getLog().logThrowable(SessionLog.WARNING, e);
}
}
}
}
/**
* Create a list of java.lang.Class that contains the classes of all the entities that we will be
* deploying.
*/
protected Set loadEntityClasses(Collection entityNames, ClassLoader classLoader) {
Set entityClasses = new HashSet();
// Load the classes using the loader passed in
AbstractSessionLog.getLog()
.log(SessionLog.FINER, "cmp_loading_entities_using_loader", classLoader);
for (Iterator iter = entityNames.iterator(); iter.hasNext(); ) {
String entityClassName = (String) iter.next();
try {
entityClasses.add(classLoader.loadClass(entityClassName));
} catch (ClassNotFoundException cnfEx) {
throw ValidationException.entityClassNotFound(entityClassName, classLoader, cnfEx);
}
}
return entityClasses;
}
/**
* INTERNAL: For this Type generate classes
*
* @param packageName
* @param nr
*/
public void preInitialize(String packageName, List namespaceResolvers) {
String instanceClassName = getInstanceClassName();
if (null == instanceClassName) {
if (null == packageName) {
String uri = getURI();
if (null == uri) {
packageName = SDOUtil.getDefaultPackageName() + SDOConstants.JAVA_PACKAGE_NAME_SEPARATOR;
} else {
packageName =
SDOUtil.getPackageNameFromURI(uri) + SDOConstants.JAVA_PACKAGE_NAME_SEPARATOR;
}
}
// Verify and fix any Class name that does not conform to conventions
// run the class name through the JAXB mangler
String mangledClassName = SDOUtil.className(getName(), false, true, true);
// we will not fix any type collision at this time as a result of class renaming
// write fully qualified java class name
StringBuffer fullClassName = new StringBuffer(packageName);
fullClassName.append(mangledClassName);
setInstanceClassName(fullClassName.toString());
}
AbstractSessionLog.getLog()
.log(
AbstractSessionLog.FINER, //
"sdo_type_generation_processing_type", //
new Object[] {Helper.getShortClassName(getClass()), getInstanceClassName()});
initializeNamespaces(namespaceResolvers);
getXmlDescriptor().setJavaClassName(getImplClassName());
// See SDOResolvable enhancement
String schemaContext = getName();
if (getXmlDescriptor().getNamespaceResolver() != null) {
String prefix = getXmlDescriptor().getNamespaceResolver().resolveNamespaceURI(getURI());
if ((prefix != null) && !prefix.equals(SDOConstants.EMPTY_STRING)) {
schemaContext = prefix + SDOConstants.SDO_XPATH_NS_SEPARATOR_FRAGMENT + schemaContext;
}
}
String schemaContextWithSlash = SDOConstants.SDO_XPATH_SEPARATOR_FRAGMENT + schemaContext;
XMLSchemaReference schemaRef = new XMLSchemaClassPathReference();
schemaRef.setSchemaContext(schemaContextWithSlash);
schemaRef.setType(XMLSchemaReference.COMPLEX_TYPE);
getXmlDescriptor().setSchemaReference(schemaRef);
}
/** On start, we do two things We register a listener for bundles and we start our JPA server */
public void start(BundleContext context) throws Exception {
Activator.context = context;
String initializer = null;
ServiceReference packageAdminRef =
context.getServiceReference("org.osgi.service.packageadmin.PackageAdmin");
PackageAdmin packageAdmin = (PackageAdmin) context.getService(packageAdminRef);
Bundle[] fragments = packageAdmin.getFragments(context.getBundle());
if (fragments != null) {
for (int i = 0; i < fragments.length; i++) {
Bundle fragment = fragments[i];
initializer = (String) fragment.getHeaders().get("JPA-Initializer");
if (initializer != null) {
AbstractSessionLog.getLog()
.log(
SessionLog.CONFIG,
LoggingLocalization.buildMessage("osgi_initializer", new Object[] {initializer}));
break;
}
}
}
osgiProvider = new PersistenceProvider(initializer);
registerBundleListener();
}
/**
* predeploy (with deploy) is one of the two steps required in deployment of entities This method
* will prepare to call predeploy, call it and finally register the transformer returned to be
* used for weaving.
*/
public EntityManagerSetupImpl callPredeploy(
SEPersistenceUnitInfo persistenceUnitInfo,
Map m,
String persistenceUnitUniqueName,
String sessionName) {
AbstractSessionLog.getLog()
.log(
SessionLog.FINER,
"cmp_init_invoke_predeploy",
persistenceUnitInfo.getPersistenceUnitName());
Map mergedProperties =
EntityManagerFactoryProvider.mergeMaps(m, persistenceUnitInfo.getProperties());
// Bug#4452468 When globalInstrumentation is null, there is no weaving
checkWeaving(mergedProperties);
Set tempLoaderSet = PersistenceUnitProcessor.buildClassSet(persistenceUnitInfo, m);
// Create the temp loader that will not cache classes for entities in our persistence unit
ClassLoader tempLoader = createTempLoader(tempLoaderSet);
persistenceUnitInfo.setNewTempClassLoader(tempLoader);
EntityManagerSetupImpl emSetupImpl =
new EntityManagerSetupImpl(persistenceUnitUniqueName, sessionName);
// A call to predeploy will partially build the session we will use
final ClassTransformer transformer =
emSetupImpl.predeploy(persistenceUnitInfo, mergedProperties);
// After preDeploy it's impossible to weave again - so may substitute the temporary classloader
// with the real one.
// The temporary classloader could be garbage collected even if the puInfo is cached for the
// future use by other emSetupImpls.
persistenceUnitInfo.setNewTempClassLoader(persistenceUnitInfo.getClassLoader());
registerTransformer(transformer, persistenceUnitInfo, m);
return emSetupImpl;
}
private int getLogLevel() {
return AbstractSessionLog.translateStringToLoggingLevel(logLevel);
}
@Override
public void buildSessions() {
XRDynamicClassLoader xrdecl = new XRDynamicClassLoader(parentClassLoader);
DatasourceLogin login = new DatabaseLogin();
login.setUserName(username);
login.setPassword(password);
((DatabaseLogin) login).setConnectionString(url);
((DatabaseLogin) login).setDriverClassName(DATABASE_PLATFORM);
Platform platform = builder.getDatabasePlatform();
ConversionManager conversionManager = platform.getConversionManager();
if (conversionManager != null) {
conversionManager.setLoader(xrdecl);
}
login.setDatasourcePlatform(platform);
((DatabaseLogin) login).bindAllParameters();
((DatabaseLogin) login).setUsesStreamsForBinding(true);
Project orProject = null;
if (DBWS_OR_STREAM.size() != 0) {
MetadataProcessor processor =
new MetadataProcessor(
new XRPersistenceUnitInfo(xrdecl),
new DatabaseSessionImpl(login),
xrdecl,
false,
true,
false,
false,
false,
null,
null);
processor.setMetadataSource(
new JPAMetadataSource(xrdecl, new StringReader(DBWS_OR_STREAM.toString())));
PersistenceUnitProcessor.processORMetadata(
processor, true, PersistenceUnitProcessor.Mode.ALL);
processor.addNamedQueries();
orProject = processor.getProject().getProject();
} else {
orProject = new Project();
}
orProject.setName(builder.getProjectName().concat(OR_PRJ_SUFFIX));
orProject.setDatasourceLogin(login);
DatabaseSession databaseSession = orProject.createDatabaseSession();
if ("off".equalsIgnoreCase(builder.getLogLevel())) {
databaseSession.dontLogMessages();
} else {
databaseSession.setLogLevel(
AbstractSessionLog.translateStringToLoggingLevel(builder.getLogLevel()));
}
xrService.setORSession(databaseSession);
orProject.convertClassNamesToClasses(xrdecl);
Project oxProject = null;
Map<String, OXMMetadataSource> metadataMap = new HashMap<String, OXMMetadataSource>();
StreamSource xml = new StreamSource(new StringReader(DBWS_OX_STREAM.toString()));
try {
JAXBContext jc = JAXBContext.newInstance(XmlBindingsModel.class);
Unmarshaller unmarshaller = jc.createUnmarshaller();
JAXBElement<XmlBindingsModel> jaxbElt = unmarshaller.unmarshal(xml, XmlBindingsModel.class);
XmlBindingsModel model = jaxbElt.getValue();
for (XmlBindings xmlBindings : model.getBindingsList()) {
metadataMap.put(xmlBindings.getPackageName(), new OXMMetadataSource(xmlBindings));
}
} catch (JAXBException jaxbex) {
jaxbex.printStackTrace();
}
Map<String, Map<String, OXMMetadataSource>> properties =
new HashMap<String, Map<String, OXMMetadataSource>>();
properties.put(JAXBContextProperties.OXM_METADATA_SOURCE, metadataMap);
try {
org.eclipse.persistence.jaxb.dynamic.DynamicJAXBContext jCtx =
org.eclipse.persistence.jaxb.dynamic.DynamicJAXBContextFactory.createContextFromOXM(
parentClassLoader, properties);
oxProject = jCtx.getXMLContext().getSession(0).getProject();
} catch (JAXBException e) {
e.printStackTrace();
}
((XMLLogin) oxProject.getDatasourceLogin()).setPlatformClassName(DOM_PLATFORM_CLASSNAME);
((XMLLogin) oxProject.getDatasourceLogin()).setEqualNamespaceResolvers(false);
prepareDescriptors(oxProject, orProject, xrdecl);
ProjectHelper.fixOROXAccessors(orProject, oxProject);
xrService.setORSession(databaseSession);
xrService.setXMLContext(new XMLContext(oxProject));
xrService.setOXSession(xrService.getXMLContext().getSession(0));
}
/**
* Return the java.lang.reflect.Member for the represented attribute. In the case of property
* access the get method will be returned
*
* @return corresponding java.lang.reflect.Member
*/
@Override
public Member getJavaMember() {
AttributeAccessor accessor = getMapping().getAttributeAccessor();
if (accessor.isMethodAttributeAccessor()) {
// Method level access here
Method aMethod = ((MethodAttributeAccessor) accessor).getGetMethod();
if (null == aMethod) {
// 316991: If the getMethod is not set - use a reflective call via the getMethodName
String getMethodName = null;
try {
getMethodName =
((MethodAttributeAccessor) mapping.getAttributeAccessor()).getGetMethodName();
if (PrivilegedAccessHelper.shouldUsePrivilegedAccess()) {
aMethod =
AccessController.doPrivileged(
new PrivilegedGetDeclaredMethod(
this.getManagedTypeImpl().getJavaType(), getMethodName, null));
} else {
aMethod =
PrivilegedAccessHelper.getDeclaredMethod(
this.getManagedTypeImpl().getJavaType(), getMethodName, null);
}
// Exceptions are to be ignored for reflective calls - if the methodName is also null - it
// will catch here
} catch (PrivilegedActionException pae) {
// pae.printStackTrace();
} catch (NoSuchMethodException nsfe) {
// nsfe.printStackTrace();
}
}
return aMethod;
}
// Field level access here
Member aMember = ((InstanceVariableAttributeAccessor) accessor).getAttributeField();
// For primitive and basic types - we should not return null - the attributeAccessor on the
// MappedSuperclass is not initialized - see
// http://wiki.eclipse.org/EclipseLink/Development/JPA_2.0/metamodel_api#DI_95:_20091017:_Attribute.getJavaMember.28.29_returns_null_for_a_BasicType_on_a_MappedSuperclass_because_of_an_uninitialized_accessor
// MappedSuperclasses need special handling to get their type from an inheriting subclass
// Note: This code does not handle attribute overrides on any entity subclass tree - use
// descriptor initialization instead
if (null == aMember) {
if (this.getManagedTypeImpl().isMappedSuperclass()) {
// get inheriting subtype member (without handling @override annotations)
AttributeImpl inheritingTypeMember =
((MappedSuperclassTypeImpl) this.getManagedTypeImpl())
.getMemberFromInheritingType(mapping.getAttributeName());
// 322166: If attribute is defined on this current ManagedType (and not on a superclass) -
// do not attempt a reflective call on a superclass
if (null != inheritingTypeMember) {
// Verify we have an attributeAccessor
aMember =
((InstanceVariableAttributeAccessor)
inheritingTypeMember.getMapping().getAttributeAccessor())
.getAttributeField();
}
}
if (null == aMember) {
// 316991: Handle Embeddable types
// If field level access - perform a getDeclaredField call
// Field level access
// Check declaredFields in the case where we have no getMethod or getMethodName
try {
if (PrivilegedAccessHelper.shouldUsePrivilegedAccess()) {
aMember =
AccessController.doPrivileged(
new PrivilegedGetDeclaredField(
this.getManagedTypeImpl().getJavaType(),
mapping.getAttributeName(),
false));
} else {
aMember =
PrivilegedAccessHelper.getDeclaredField(
this.getManagedTypeImpl().getJavaType(), mapping.getAttributeName(), false);
}
// Exceptions are to be ignored for reflective calls - if the methodName is also null - it
// will catch here
} catch (PrivilegedActionException pae) {
// pae.printStackTrace();
} catch (NoSuchFieldException nsfe) {
// nsfe.printStackTrace();
}
}
}
// 303063: secondary check for attribute override case - this will show on code coverage
if (null == aMember) {
AbstractSessionLog.getLog()
.log(
SessionLog.FINEST,
AbstractSessionLog.METAMODEL,
"metamodel_attribute_getmember_is_null",
this,
this.getManagedTypeImpl(),
this.getDescriptor());
}
return aMember;
}
/** INTERNAL: The method performs weaving function */
private void process() throws IOException, URISyntaxException {
// Instantiate output handler.
AbstractStaticWeaveOutputHandler swoh;
if (isDirectory(this.target)) {
swoh = new StaticWeaveDirectoryOutputHandler(this.source, this.target);
} else {
swoh =
new StaticWeaveJAROutputHandler(
new JarOutputStream(new FileOutputStream(new File(Helper.toURI(this.target)))));
}
// Instantiate classloader.
this.classLoader =
(this.classLoader == null)
? Thread.currentThread().getContextClassLoader()
: this.classLoader;
this.classLoader = new URLClassLoader(getURLs(), this.classLoader);
// Instantiate the classtransformer, we check if the persistenceinfo URL has been specified.
StaticWeaveClassTransformer classTransformer = null;
if (persistenceInfo != null) {
classTransformer =
new StaticWeaveClassTransformer(
persistenceInfo,
persistenceXMLLocation,
this.classLoader,
this.logWriter,
this.logLevel);
} else {
classTransformer =
new StaticWeaveClassTransformer(
source, persistenceXMLLocation, this.classLoader, this.logWriter, this.logLevel);
}
// Starting process.
Archive sourceArchive = (new ArchiveFactoryImpl()).createArchive(source, null, null);
if (sourceArchive != null) {
try {
Iterator entries = sourceArchive.getEntries();
while (entries.hasNext()) {
String entryName = (String) entries.next();
InputStream entryInputStream = sourceArchive.getEntry(entryName);
// Add a directory entry
swoh.addDirEntry(getDirectoryFromEntryName(entryName));
// Add a regular entry
JarEntry newEntry = new JarEntry(entryName);
// Ignore non-class files.
if (!(entryName.endsWith(".class"))) {
swoh.addEntry(entryInputStream, newEntry);
continue;
}
String className = PersistenceUnitProcessor.buildClassNameFromEntryString(entryName);
byte[] originalClassBytes = null;
byte[] transferredClassBytes = null;
try {
Class thisClass = this.classLoader.loadClass(className);
// If the class is not in the classpath, we simply copy the entry
// to the target(no weaving).
if (thisClass == null) {
swoh.addEntry(entryInputStream, newEntry);
continue;
}
// Try to read the loaded class bytes, the class bytes is required for
// classtransformer to perform transfer. Simply copy entry to the target(no weaving)
// if the class bytes can't be read.
InputStream is = this.classLoader.getResourceAsStream(entryName);
if (is != null) {
ByteArrayOutputStream baos = null;
try {
baos = new ByteArrayOutputStream();
byte[] bytes = new byte[NUMBER_OF_BYTES];
int bytesRead = is.read(bytes, 0, NUMBER_OF_BYTES);
while (bytesRead >= 0) {
baos.write(bytes, 0, bytesRead);
bytesRead = is.read(bytes, 0, NUMBER_OF_BYTES);
}
originalClassBytes = baos.toByteArray();
} finally {
baos.close();
}
} else {
swoh.addEntry(entryInputStream, newEntry);
continue;
}
// If everything is OK so far, we perform the weaving. we need three parameters in order
// to
// class to perform weaving for that class, the class name,the class object and class
// bytes.
transferredClassBytes =
classTransformer.transform(
className.replace('.', '/'), thisClass, originalClassBytes);
// If transferredClassBytes is null means the class dose not get woven.
if (transferredClassBytes != null) {
swoh.addEntry(newEntry, transferredClassBytes);
} else {
swoh.addEntry(entryInputStream, newEntry);
}
} catch (IllegalClassFormatException e) {
AbstractSessionLog.getLog().logThrowable(AbstractSessionLog.WARNING, e);
// Anything went wrong, we need log a warning message, copy the entry to the target and
// process next entry.
swoh.addEntry(entryInputStream, newEntry);
continue;
} catch (ClassNotFoundException e) {
AbstractSessionLog.getLog().logThrowable(AbstractSessionLog.WARNING, e);
swoh.addEntry(entryInputStream, newEntry);
continue;
} finally {
// Need close the inputstream for current entry before processing next one.
entryInputStream.close();
}
}
} finally {
sourceArchive.close();
swoh.closeOutputStream();
}
}
}
