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*
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* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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*/
package org.glassfish.appclient.server.core;
import com.sun.enterprise.deploy.shared.AbstractArchiveHandler;
import com.sun.enterprise.loader.ASURLClassLoader;
import com.sun.enterprise.security.perms.SMGlobalPolicyUtil;
import com.sun.enterprise.security.perms.PermsArchiveDelegate;
import org.glassfish.api.deployment.DeploymentContext;
import org.glassfish.api.deployment.archive.ArchiveDetector;
import org.glassfish.api.deployment.archive.ReadableArchive;
import org.glassfish.appclient.server.connector.CarDetector;
import org.jvnet.hk2.annotations.Service;
import javax.inject.Inject;
import javax.inject.Named;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.security.PrivilegedActionException;
import java.util.logging.Level;
import java.net.URL;
import static javax.xml.stream.XMLStreamConstants.*;
/**
* @author sanjeeb.sahoo@oracle.com
*/
@Service(name = CarDetector.ARCHIVE_TYPE)
public class CarHandler extends AbstractArchiveHandler {
@Inject @Named(CarDetector.ARCHIVE_TYPE)
private ArchiveDetector detector;
@Override
public String getArchiveType() {
return detector.getArchiveType().toString();
}
@Override
public String getVersionIdentifier(ReadableArchive archive) {
String versionIdentifier = null;
try {
GFCarXMLParser gfXMLParser = new GFCarXMLParser();
versionIdentifier = gfXMLParser.extractVersionIdentifierValue(archive);
} catch (IOException e) {
_logger.log(Level.SEVERE, e.getMessage());
} catch (XMLStreamException e) {
_logger.log(Level.SEVERE, e.getMessage());
}
return versionIdentifier;
}
@Override
public boolean handles(ReadableArchive archive) throws IOException {
return detector.handles(archive);
}
@Override
public ClassLoader getClassLoader(final ClassLoader parent, DeploymentContext context) {
ASURLClassLoader cloader = AccessController.doPrivileged(new PrivilegedAction<ASURLClassLoader>() {
@Override
public ASURLClassLoader run() {
return new ASURLClassLoader(parent);
}
});
try {
cloader.addURL(context.getSource().getURI().toURL());
// add libraries referenced from manifest
for (URL url : getManifestLibraries(context)) {
cloader.addURL(url);
}
try {
final DeploymentContext dc = context;
final ClassLoader cl = cloader;
AccessController.doPrivileged(
new PermsArchiveDelegate.SetPermissionsAction(
SMGlobalPolicyUtil.CommponentType.car, dc, cl));
} catch (PrivilegedActionException e) {
throw (SecurityException)e.getException();
}
} catch (MalformedURLException e) {
throw new RuntimeException(e);
}
return cloader;
}
private static class GFCarXMLParser {
private XMLStreamReader parser = null;
protected String extractVersionIdentifierValue(ReadableArchive archive) throws XMLStreamException, IOException {
InputStream input = null;
String versionIdentifierValue = null;
String rootElement = null;
try {
rootElement = "glassfish-application-client";
input = archive.getEntry("META-INF/glassfish-application-client.xml");
if (input != null) {
parser = getXMLInputFactory().createXMLStreamReader(input);
int event = 0;
skipRoot(rootElement);
while (parser.hasNext() && (event = parser.next()) != END_DOCUMENT) {
if (event == START_ELEMENT) {
String name = parser.getLocalName();
if ("version-identifier".equals(name)) {
versionIdentifierValue = parser.getElementText();
} else {
skipSubTree(name);
}
}
}
}
} finally {
if (parser != null) {
parser.close();
}
if (input != null) {
try {
input.close();
} catch (Exception e) {
// ignore
}
}
}
return versionIdentifierValue;
}
private void skipRoot(String name) throws XMLStreamException {
while (true) {
int event = parser.next();
if (event == START_ELEMENT) {
if (!name.equals(parser.getLocalName())) {
throw new XMLStreamException();
}
return;
}
}
}
private void skipSubTree(String name) throws XMLStreamException {
while (true) {
int event = parser.next();
if (event == END_DOCUMENT) {
throw new XMLStreamException();
} else if (event == END_ELEMENT && name.equals(parser.getLocalName())) {
return;
}
}
}
}
}