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package org.glassfish.persistence.jpa;
import com.sun.enterprise.deployment.BundleDescriptor;
import com.sun.enterprise.deployment.PersistenceUnitDescriptor;
import org.glassfish.deployment.common.RootDeploymentDescriptor;
import org.glassfish.deployment.common.ModuleDescriptor;
import com.sun.enterprise.util.i18n.StringManager;
import com.sun.logging.LogDomains;
import javax.naming.NamingException;
import javax.persistence.spi.ClassTransformer;
import javax.persistence.spi.PersistenceUnitInfo;
import javax.persistence.spi.PersistenceUnitTransactionType;
import javax.persistence.SharedCacheMode;
import javax.persistence.ValidationMode;
import javax.sql.DataSource;
import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.glassfish.deployment.common.DeploymentUtils;
/**
* This class implements {@link PersistenceUnitInfo} interface.
*
* @author [email protected]
*/
public class PersistenceUnitInfoImpl implements PersistenceUnitInfo {
/* This class is public because it is used in verifier */
private static final String DEFAULT_PROVIDER_NAME = "org.eclipse.persistence.jpa.PersistenceProvider"; // NOI18N
// We allow the default provider to be specified using -D option.
private static String defaultProvider;
private static Logger logger = LogDomains.getLogger(PersistenceUnitInfoImpl.class, LogDomains.PERSISTENCE_LOGGER);
private static final StringManager localStrings = StringManager.getManager(PersistenceUnitInfoImpl.class);
private PersistenceUnitDescriptor persistenceUnitDescriptor;
private ProviderContainerContractInfo providerContainerContractInfo;
private File absolutePuRootFile;
private DataSource jtaDataSource;
private DataSource nonJtaDataSource;
private List jarFiles;
public PersistenceUnitInfoImpl(
PersistenceUnitDescriptor persistenceUnitDescriptor,
ProviderContainerContractInfo providerContainerContractInfo) {
this.persistenceUnitDescriptor = persistenceUnitDescriptor;
this.providerContainerContractInfo = providerContainerContractInfo;
jarFiles = _getJarFiles();
String jtaDataSourceName = persistenceUnitDescriptor.getJtaDataSource();
String nonJtaDataSourceName = persistenceUnitDescriptor.getNonJtaDataSource();
try {
jtaDataSource = jtaDataSourceName == null ? null : providerContainerContractInfo.lookupDataSource(jtaDataSourceName);
nonJtaDataSource = nonJtaDataSourceName == null ? null : providerContainerContractInfo.lookupNonTxDataSource(nonJtaDataSourceName);
} catch (NamingException e) {
throw new RuntimeException(e);
}
}
// Implementation of PersistenceUnitInfo interface
/**
* {@inheritDoc}
*/
public String getPersistenceUnitName() {
return persistenceUnitDescriptor.getName();
}
/**
* {@inheritDoc}
*/
public String getPersistenceProviderClassName() {
return getPersistenceProviderClassNameForPuDesc(persistenceUnitDescriptor);
}
/**
* {@inheritDoc}
*/
public PersistenceUnitTransactionType getTransactionType() {
return PersistenceUnitTransactionType.valueOf(
persistenceUnitDescriptor.getTransactionType());
}
/**
* {@inheritDoc}
*/
public DataSource getJtaDataSource() {
return jtaDataSource;
}
/**
* {@inheritDoc}
*/
public DataSource getNonJtaDataSource() {
return nonJtaDataSource;
}
public URL getPersistenceUnitRootUrl() {
try {
return getAbsolutePuRootFile().toURI().toURL();
} catch (MalformedURLException e) {
throw new RuntimeException(e);
}
}
/**
* {@inheritDoc}
*/
public List getMappingFileNames() {
return persistenceUnitDescriptor.getMappingFiles(); // its already unmodifiable
}
/**
* {@inheritDoc}
*/
public List getJarFileUrls() {
return jarFiles;
}
/**
* {@inheritDoc}
*/
public List getManagedClassNames() {
return persistenceUnitDescriptor.getClasses(); // its already unmodifiable
}
public boolean excludeUnlistedClasses() {
return persistenceUnitDescriptor.isExcludeUnlistedClasses();
}
public SharedCacheMode getSharedCacheMode() {
return persistenceUnitDescriptor.getSharedCacheMode();
}
public ValidationMode getValidationMode() {
return persistenceUnitDescriptor.getValidationMode();
}
/**
* {@inheritDoc}
*/
public Properties getProperties() {
return persistenceUnitDescriptor.getProperties(); // its already a clone
}
public String getPersistenceXMLSchemaVersion() {
return persistenceUnitDescriptor.getParent().getSpecVersion();
}
/**
* {@inheritDoc}
*/
public ClassLoader getClassLoader() {
return providerContainerContractInfo.getClassLoader();
}
/**
* {@inheritDoc}
*/
public void addTransformer(ClassTransformer transformer) {
providerContainerContractInfo.addTransformer(transformer);
}
/**
* {@inheritDoc}
*/
public ClassLoader getNewTempClassLoader() {
return providerContainerContractInfo.getTempClassloader();
}
@Override public String toString() {
/*
* This method is used for debugging only.
*/
StringBuilder result = new StringBuilder(""); // NOI18N
result.append("\n\t").append(getPersistenceUnitRootUrl()).append(""); // NOI18N
result.append("\n\t").append(getPersistenceUnitName()).append(""); // NOI18N
result.append("\n\t").append(getPersistenceProviderClassName()).append(""); // NOI18N
result.append("\n\t").append(getTransactionType()).append(""); // NOI18N
result.append("\n\t").append(getJtaDataSource()).append(""); // NOI18N
result.append("\n\t").append(getNonJtaDataSource()).append(""); // NOI18N
for (URL jar : getJarFileUrls()) {
result.append("\n\t").append(jar).append(""); // NOI18N
}
for (String mappingFile : getMappingFileNames()) {
result.append("\n\t").append(mappingFile).append(""); // NOI18N
}
for (String clsName : getManagedClassNames()) {
result.append("\n\t").append(clsName).append(""); // NOI18N
}
result.append("\n\t").append(excludeUnlistedClasses()).append(""); // NOI18N
result.append("\n\t").append(getProperties()).append(""); // NOI18N
result.append("\n\t").append(getClassLoader()).append(""); // NOI18N
result.append("\n\n"); // NOI18N
return result.toString();
}
private List _getJarFiles() {
List jarFileNames = new ArrayList(
persistenceUnitDescriptor.getJarFiles());
List jarFiles = new ArrayList(jarFileNames.size() + 1);
String absolutePuRoot = getAbsolutePuRootFile().getAbsolutePath();
for (String jarFileName : jarFileNames) {
String nativeJarFileName = jarFileName.replace('/',
File.separatorChar);
final File parentFile = new File(absolutePuRoot).getParentFile();
// only components are exploded, hence first look for original archives.
File jarFile = new File(parentFile, nativeJarFileName);
if (!jarFile.exists()) {
// if the referenced jar is itself a component, then
// it might have been exploded, hence let's see
// if that is the case.
// let's calculate the name component and path component from this URI
// e.g. if URI is ../../foo_bar/my-ejb.jar,
// name component is foo_bar/my-ejb.jar and
// path component is ../../
// These are my own notions used here.
String pathComponent = "";
String nameComponent = jarFileName;
if(jarFileName.lastIndexOf("../") != -1) {
final int separatorIndex = jarFileName.lastIndexOf("../")+3;
pathComponent = jarFileName.substring(0,separatorIndex);
nameComponent = jarFileName.substring(separatorIndex);
}
logger.fine("For jar-file="+ jarFileName+ ", " + // NOI18N
"pathComponent=" +pathComponent + // NOI18N
", nameComponent=" + nameComponent); // NOI18N
File parentPath = new File(parentFile, pathComponent);
jarFile = new File(parentPath, DeploymentUtils.
getRelativeEmbeddedModulePath(parentPath.
getAbsolutePath(), nameComponent));
}
if (jarFile.exists()) {
try {
jarFiles.add(jarFile.toURI().toURL());
} catch (MalformedURLException e) {
throw new RuntimeException(e);
}
} else {
// Should be a caught by verifier. So, just log a message
if (logger.isLoggable(Level.WARNING)) {
logger.log(Level.WARNING, "puinfo.referenced_jar_not_found", new Object[]{absolutePuRoot, jarFileName, jarFile});
}
}
}
return jarFiles;
}
private File getAbsolutePuRootFile() {
// TODO caller of this method are _getJarFiles() and getPersitenceUnitRootUrl(). Both of them can be implemented using helper methods in PersistenceUnitDescriptor to better encapsulate
if (absolutePuRootFile == null) {
absolutePuRootFile = new File(providerContainerContractInfo.getApplicationLocation(),
getAbsolutePuRootWithinApplication().replace('/', File.separatorChar));
if (!absolutePuRootFile.exists()) {
throw new RuntimeException(
absolutePuRootFile.getAbsolutePath() + " does not exist!");
}
}
return absolutePuRootFile;
}
/**
* This method calculates the absolute path of the root of a PU.
* Absolute path is not the path with regards to root of file system.
* It is the path from the root of the Java EE application this
* persistence unit belongs to.
* Returned path always uses '/' as path separator.
* @return the absolute path of the root of this persistence unit
*/
private String getAbsolutePuRootWithinApplication() {
// TODO shift this into PersistenceUnitDescriptor to better encapsulate
RootDeploymentDescriptor rootDD = persistenceUnitDescriptor.getParent().
getParent();
String puRoot = persistenceUnitDescriptor.getPuRoot();
if(rootDD.isApplication()){
return puRoot;
} else {
ModuleDescriptor module = BundleDescriptor.class.cast(rootDD).
getModuleDescriptor();
if(module.isStandalone()) {
return puRoot;
} else {
// The module is embedded in an ear (an ejb jar or war)
final String moduleLocation = // Would point to the directory where module is expanded. For example myejb_jar
DeploymentUtils.getRelativeEmbeddedModulePath(
providerContainerContractInfo.getApplicationLocation(), module.getArchiveUri());
return moduleLocation + '/' + puRoot; // see we always '/'
}
}
}
/**
* This method first checks if default provider is specified in the
* environment (e.g. using -D option in domain.xml). If so, we use that.
* Else we defaults to EclipseLink.
*
* @return
*/
public static String getDefaultprovider() {
final String DEFAULT_PERSISTENCE_PROVIDER_PROPERTY =
"com.sun.persistence.defaultProvider"; // NOI18N
if(defaultProvider == null) {
defaultProvider =
System.getProperty(DEFAULT_PERSISTENCE_PROVIDER_PROPERTY,
DEFAULT_PROVIDER_NAME);
}
return defaultProvider;
}
public static String getPersistenceProviderClassNameForPuDesc(
PersistenceUnitDescriptor persistenceUnitDescriptor) {
String provider = persistenceUnitDescriptor.getProvider();
if (PersistenceUnitLoader.isNullOrEmpty(provider)) {
provider = getDefaultprovider();
}
return provider;
}
}
