/*******************************************************************************
* Copyright (c) 1998, 2008 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* mnorman - May 15/2008 - 1.x - Initial implementation
******************************************************************************/
package org.eclipse.persistence.internal.xr;
// javase imports
import java.net.URL;
import java.security.AccessController;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
// EclipseLink imports
import org.eclipse.persistence.exceptions.SessionLoaderException;
import org.eclipse.persistence.exceptions.ValidationException;
import org.eclipse.persistence.internal.security.PrivilegedAccessHelper;
import org.eclipse.persistence.internal.security.PrivilegedNewInstanceFromClass;
import org.eclipse.persistence.internal.sessions.factories.EclipseLinkObjectPersistenceRuntimeXMLProject;
import org.eclipse.persistence.internal.sessions.factories.MissingDescriptorListener;
import org.eclipse.persistence.internal.sessions.factories.SessionsFactory;
import org.eclipse.persistence.internal.sessions.factories.model.project.ProjectConfig;
import org.eclipse.persistence.oxm.XMLContext;
import org.eclipse.persistence.oxm.XMLLogin;
import org.eclipse.persistence.oxm.XMLUnmarshaller;
import org.eclipse.persistence.oxm.platform.DOMPlatform;
import org.eclipse.persistence.platform.xml.XMLParser;
import org.eclipse.persistence.platform.xml.XMLPlatform;
import org.eclipse.persistence.platform.xml.XMLPlatformFactory;
import org.eclipse.persistence.sessions.Project;
import static org.eclipse.persistence.internal.xr.Util.DBWS_OR_XML;
import static org.eclipse.persistence.internal.xr.Util.DBWS_OX_XML;
import static org.eclipse.persistence.internal.xr.Util.META_INF_PATHS;
public class XRSessionsFactory extends SessionsFactory {
static Pattern matchDBWSOrProject =
Pattern.compile(DBWS_OR_XML, Pattern.CASE_INSENSITIVE);
static Pattern matchDBWSOxProject =
Pattern.compile(DBWS_OX_XML, Pattern.CASE_INSENSITIVE);
@SuppressWarnings("unchecked")
@Override
protected Project loadProjectConfig(ProjectConfig projectConfig) {
Project project = null;
String projectString = projectConfig.getProjectString();
if (projectConfig.isProjectClassConfig()) {
try {
if (PrivilegedAccessHelper.shouldUsePrivilegedAccess()){
project = (Project)AccessController.doPrivileged(
new PrivilegedNewInstanceFromClass(m_classLoader.loadClass(projectString)));
}else{
project = (Project)PrivilegedAccessHelper.newInstanceFromClass(
m_classLoader.loadClass(projectString));
}
} catch (Throwable exception) {
throw SessionLoaderException.failedToLoadProjectClass(projectString, exception);
}
} else {
try {
URL url = null;
Matcher matcher = matchDBWSOrProject.matcher(projectString);
if (matcher.find()) {
// need to try a variety of URLs to find DBWS OR/OX Project
for (String prefix : META_INF_PATHS) {
String searchPath = prefix + DBWS_OR_XML;
url = m_classLoader.getResource(searchPath);
if (url != null) {
break;
}
}
}
else {
matcher = matchDBWSOxProject.matcher(projectString);
if (matcher.find()) {
for (String prefix : META_INF_PATHS) {
String searchPath = prefix + DBWS_OX_XML;
url = m_classLoader.getResource(searchPath);
if (url != null) {
break;
}
}
}
}
if (url != null) {
Project p = new EclipseLinkObjectPersistenceRuntimeXMLProject();
XMLLogin xmlLogin = new XMLLogin();
xmlLogin.setDatasourcePlatform(new DOMPlatform());
p.setDatasourceLogin(xmlLogin);
if (m_classLoader != null) {
p.getDatasourceLogin().getDatasourcePlatform().getConversionManager().
setLoader(m_classLoader);
}
XMLPlatform xmlPlatform = XMLPlatformFactory.getInstance().getXMLPlatform();
XMLParser parser = xmlPlatform.newXMLParser();
parser.setNamespaceAware(true);
parser.setWhitespacePreserving(false);
XMLContext context = new XMLContext(p);
context.getSession(Project.class).getEventManager().addListener(
new MissingDescriptorListener());
XMLUnmarshaller unmarshaller = context.createUnmarshaller();
project = (Project)unmarshaller.unmarshal(url);
}
}
catch (ValidationException validationException) {
if (validationException.getErrorCode() == ValidationException.PROJECT_XML_NOT_FOUND) {
throw SessionLoaderException.failedToLoadProjectXml(projectString,
validationException);
}
else {
throw SessionLoaderException. failedToParseXML(projectString,
validationException);
}
}
}
return project;
}
}