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* obtain a copy of the License at
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// Portions Copyright [2020] Payara Foundation and/or affiliates
package com.sun.enterprise.v3.server;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.hk2.classmodel.reflect.*;
import javax.inject.Inject;
import org.jvnet.hk2.annotations.Service;
import org.glassfish.api.deployment.DeploymentContext;
import org.glassfish.api.container.Sniffer;
import org.glassfish.api.deployment.archive.ReadableArchive;
import org.glassfish.api.deployment.archive.ArchiveHandler;
import org.glassfish.api.deployment.archive.ArchiveType;
import org.glassfish.internal.deployment.SnifferManager;
import com.sun.enterprise.util.LocalStringManagerImpl;
import java.net.URI;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Provide convenience methods to deal with {@link Sniffer}s in the system.
*
* @author Kohsuke Kawaguchi
*/
@Service
public class SnifferManagerImpl implements SnifferManager {
private static final Logger LOGGER = Logger.getLogger(SnifferManager.class.getName());
private static final LocalStringManagerImpl localStrings = new LocalStringManagerImpl(SnifferManagerImpl.class);
@Inject
protected ServiceLocator habitat;
/**
* Returns all the presently registered sniffers
*
* @return Collection (possibly empty but never null) of Sniffer
*/
public Collection getSniffers() {
// this is a little bit of a hack, sniffers are now ordered by their names
// which is useful since connector is before ejb which is before web so if
// a standalone module happens to implement the three types of components,
// they will be naturally ordered correctly. We might want to revisit this
// later and formalize the ordering of sniffers. The hard thing as usual
// is that sniffers are highly pluggable so you never know which sniffers
// set you are working with depending on the distribution
List sniffers = new ArrayList();
sniffers.addAll(habitat.getAllServices(Sniffer.class));
Collections.sort(sniffers, new Comparator() {
public int compare(Sniffer o1, Sniffer o2) {
return o1.getModuleType().compareTo(o2.getModuleType());
}
});
return sniffers;
}
/**
* Check if there's any {@link Sniffer} installed at all.
*/
public final boolean hasNoSniffers() {
return getSniffers().isEmpty();
}
public Sniffer getSniffer(String appType) {
assert appType!=null;
for (Sniffer sniffer : getSniffers()) {
if (appType.equalsIgnoreCase(sniffer.getModuleType())) {
return sniffer;
}
}
return null;
}
/**
* Returns a collection of sniffers that recognized some parts of the
* passed archive as components their container handle.
*
* If no sniffer recognize the passed archive, an empty collection is
* returned.
*
* @param context the deployment context
* @return possibly empty collection of sniffers that handle the passed
* archive.
*/
public Collection getSniffers(DeploymentContext context) {
ReadableArchive archive = context.getSource();
ArchiveHandler handler = context.getArchiveHandler();
List uris = handler.getClassPathURIs(archive);
Types types = context.getTransientAppMetaData(Types.class.getName(), Types.class);
return getSniffers(context, uris, types);
}
public Collection getSniffers(DeploymentContext context, List uris, Types types) {
// it is important to keep an ordered sequence here to keep sniffers
Collection regularSniffers = getSniffers();
// in their natural order.
// scan for registered annotations and retrieve applicable sniffers
List appSniffers = this.getApplicableSniffers(context, uris, types, regularSniffers, true);
// call handles method of the sniffers
for (Sniffer sniffer : regularSniffers) {
if ( !appSniffers.contains(sniffer) && sniffer.handles(context)) {
appSniffers.add(sniffer);
}
}
return appSniffers;
}
private List getApplicableSniffers(DeploymentContext context, List uris, Types types, Collection sniffers, boolean checkPath) {
ArchiveType archiveType = habitat.getService(ArchiveType.class, context.getArchiveHandler().getArchiveType());
if (sniffers==null || sniffers.isEmpty()) {
return Collections.emptyList();
}
List result = new ArrayList();
for (T sniffer : sniffers) {
if (archiveType != null &&
!sniffer.supportsArchiveType(archiveType)) {
continue;
}
String[] annotationNames = sniffer.getAnnotationNames(context);
if (annotationNames==null) continue;
for (String annotationName : annotationNames) {
if (types != null) {
Type type = types.getBy(annotationName);
if (type instanceof AnnotationType) {
Collection elements = ((AnnotationType) type).allAnnotatedTypes();
for (AnnotatedElement element : elements) {
if (checkPath) {
Type t;
if (element instanceof Member) {
t = ((Member) element).getDeclaringType();
} else if (element instanceof Type) {
t = (Type) element;
} else if (element instanceof ParameterizedType) {
t = ((ParameterizedType) element).getType();
} else {
LOGGER.log(Level.WARNING, "Unrecognised type: {0}.", element);
continue;
}
if (t.wasDefinedIn(uris)) {
result.add(sniffer);
break;
}
} else {
result.add(sniffer);
break;
}
}
}
}
}
}
return result;
}
public void validateSniffers(Collection snifferCol, DeploymentContext context) {
for (Sniffer sniffer : snifferCol) {
String[] incompatTypes = sniffer.getIncompatibleSnifferTypes();
if (incompatTypes==null)
return;
for (String type : incompatTypes) {
for (Sniffer sniffer2 : snifferCol) {
if (sniffer2.getModuleType().equals(type)) {
throw new IllegalArgumentException(
localStrings.getLocalString(
"invalidarchivepackaging",
"Invalid archive packaging {2}",
sniffer.getModuleType(), type,
context.getSourceDir().getPath()));
}
}
}
}
}
}
