atom.content.pm.ApplicationContext Maven / Gradle / Ivy
/*
* Copyright © 2015 Geeoz, and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* The Research Projects is dual-licensed under the GNU General Public
* License, version 2.0 (GPLv2) and the Geeoz Commercial License.
*
* Solely for non-commercial purposes. A purpose is non-commercial only if
* it is in no manner primarily intended for or directed toward commercial
* advantage or private monetary compensation.
*
* This Geeoz Software is supplied to you by Geeoz in consideration of your
* agreement to the following terms, and your use, installation, modification
* or redistribution of this Geeoz Software constitutes acceptance of these
* terms. If you do not agree with these terms, please do not use, install,
* modify or redistribute this Geeoz Software.
*
* Neither the name, trademarks, service marks or logos of Geeoz may be used
* to endorse or promote products derived from the Geeoz Software without
* specific prior written permission from Geeoz.
*
* The Geeoz Software is provided by Geeoz on an "AS IS" basis. GEEOZ MAKES NO
* WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
* WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, REGARDING THE GEEOZ SOFTWARE OR ITS USE AND OPERATION ALONE OR IN
* COMBINATION WITH YOUR PRODUCTS.
*
* IN NO EVENT SHALL GEEOZ BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION
* AND/OR DISTRIBUTION OF THE GEEOZ SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER
* THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR
* OTHERWISE, EVEN IF GEEOZ HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* A copy of the GNU General Public License is included in the distribution in
* the file LICENSE and at
*
* http://www.gnu.org/licenses/gpl-2.0.html
*
* If you are using the Research Projects for commercial purposes, we
* encourage you to visit
*
* http://products.geeoz.com/license
*
* for more details.
*
* This software or hardware and documentation may provide access to
* or information on content, products, and services from third parties.
* Geeoz and its affiliates are not responsible for and expressly disclaim
* all warranties of any kind with respect to third-party content, products,
* and services. Geeoz and its affiliates will not be responsible for any loss,
* costs, or damages incurred due to your access to or use of third-party
* content, products, or services. If a third-party content exists, the
* additional copyright notices and license terms applicable to portions of the
* software are set forth in the THIRD_PARTY_LICENSE_README file.
*
* Please contact Geeoz or visit www.geeoz.com if you need additional
* information or have any questions.
*/
package atom.content.pm;
import atom.app.AuditEvent;
import atom.app.AuditManager;
import atom.content.Context;
import atom.security.CompositePolicy;
import javax.security.auth.login.AppConfigurationEntry;
import javax.security.auth.login.Configuration;
import javax.security.auth.spi.LoginModule;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import java.io.IOException;
import java.net.URISyntaxException;
import java.net.URL;
import java.security.NoSuchAlgorithmException;
import java.security.Policy;
import java.security.URIParameter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Enumeration;
import java.util.List;
import java.util.ServiceLoader;
/**
* Special initialization class for the Atom Framework.
*
* @author Alex Voloshyn
* @version 1.9 2/22/15
*/
public final class ApplicationContext {
/**
* Audit manager service.
*/
private static final AuditManager AUDIT =
Context.getSystemService(AuditManager.class);
/**
* Boolean flag for system initialization status.
*/
private static volatile boolean initialized = false;
/**
* Atom application manifest XML file path.
*/
private static final String MANIFEST = "META-INF/manifest.atom.xml";
/**
* Private constructor for non-instantiability.
*/
private ApplicationContext() {
super();
}
/**
* Retrieve initialize status of the system.
*
* @return initialize status of the system
*/
public static boolean isInitialized() {
return initialized;
}
/**
* Initialize this system. After this method call, system stars deploy all
* available applications.
*/
public static void initialize() {
if (!isInitialized()) {
// REGISTER LOGIN MODULES
final List configs = new ArrayList<>();
final ServiceLoader services =
ServiceLoader.load(LoginModule.class);
if (services.iterator().hasNext()) {
final LoginModule module = services.iterator().next();
final String moduleName = module.getClass().getName();
AUDIT.log(AuditEvent.create(module,
AuditEvent.SYSTEM, AuditEvent.CONFIG,
"Register login module: {0}", moduleName));
final AppConfigurationEntry entry = new AppConfigurationEntry(
moduleName,
AppConfigurationEntry.LoginModuleControlFlag.REQUIRED,
Collections.emptyMap());
configs.add(entry);
}
final AppConfigurationEntry[] array =
configs.toArray(new AppConfigurationEntry[configs.size()]);
Configuration.setConfiguration(new Configuration() {
@Override
public AppConfigurationEntry[] getAppConfigurationEntry(
final String name) {
return array;
}
});
// REGISTER POLICY
final Policy defaultPolicy = Policy.getPolicy();
final List policies = new ArrayList<>();
policies.add(defaultPolicy);
Enumeration urls;
try {
urls = Thread.currentThread().getContextClassLoader()
.getResources("jaas.policy");
} catch (IOException e) {
e.printStackTrace();
urls = Collections.emptyEnumeration();
}
while (urls.hasMoreElements()) {
final URL url = urls.nextElement();
try {
final URIParameter uri = new URIParameter(url.toURI());
final Policy policy = Policy.getInstance("JavaPolicy", uri);
AUDIT.log(AuditEvent.create(policy,
AuditEvent.SYSTEM, AuditEvent.CONFIG,
"Register policy file: {0}", url.getFile()));
policies.add(policy);
} catch (URISyntaxException | NoSuchAlgorithmException e) {
e.printStackTrace();
}
}
final CompositePolicy p = new CompositePolicy(policies);
Policy.setPolicy(p);
if (System.getSecurityManager() == null) {
System.setSecurityManager(new SecurityManager());
}
// REGISTER APPLICATIONS
final PackageManager manager =
Context.getSystemService(PackageManager.class);
// REGISTER SPI APPLICATIONS
final ServiceLoader apps =
ServiceLoader.load(ApplicationInfo.class);
for (ApplicationInfo app : apps) {
manager.register(app.getPackageInfo());
app.onRegister();
}
// REGISTER XML APPLICATIONS
try {
final JAXBContext context =
JAXBContext.newInstance(ApplicationInfo.class);
final Unmarshaller unmarshaller = context.createUnmarshaller();
final Enumeration xmls = Thread.currentThread()
.getContextClassLoader().getResources(MANIFEST);
while (xmls.hasMoreElements()) {
final URL xml = xmls.nextElement();
final ApplicationInfo app =
(ApplicationInfo) unmarshaller.unmarshal(xml);
manager.register(app.getPackageInfo());
app.onRegister();
}
} catch (IOException | JAXBException e) {
e.printStackTrace();
}
// CALL OnRegisterListener SPI
final ServiceLoader listeners =
ServiceLoader.load(ApplicationInfo.OnInitListener.class);
listeners.forEach(ApplicationInfo.OnInitListener::onInit);
initialized = true;
}
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy