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Micro Distribution of the Payara Project for IBM JDK
/*
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*
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*
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* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
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* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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* language governing permissions and limitations under the License.
*
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*
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//Portions Copyright [2016] [Payara Foundation]
package org.glassfish.deployment.common;
import java.io.FileNotFoundException;
import java.util.List;
import java.util.ArrayList;
import java.io.InputStream;
import java.io.File;
import java.io.IOException;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import java.util.logging.Logger;
import java.util.logging.LogRecord;
import java.util.logging.Level;
import java.net.URI;
import org.glassfish.api.deployment.archive.ReadableArchive;
import com.sun.enterprise.deploy.shared.ArchiveFactory;
import org.glassfish.hk2.external.org.objectweb.asm.AnnotationVisitor;
import org.glassfish.hk2.external.org.objectweb.asm.ClassReader;
import org.glassfish.hk2.external.org.objectweb.asm.Type;
import org.glassfish.internal.api.Globals;
import org.glassfish.logging.annotation.LogMessageInfo;
/**
* This class will detect whether an archive contains specified annotations.
*/
public class GenericAnnotationDetector extends AnnotationScanner {
public static final Logger deplLogger = org.glassfish.deployment.common.DeploymentContextImpl.deplLogger;
@LogMessageInfo(message = "Cannot find archive {0} referenced from archive {1}, it will be ignored for annotation scanning", level="WARNING")
private static final String ARCHIVE_NOT_FOUND = "NCLS-DEPLOYMENT-00006";
@LogMessageInfo(message = "Exception caught {0}", level="WARNING")
private static final String EXCEPTION_CAUGHT = "NCLS-DEPLOYMENT-00007";
@LogMessageInfo(message = "Error in jar entry {0}: {1}", level="WARNING")
private static final String JAR_ENTRY_ERROR = "NCLS-DEPLOYMENT-00008";
@LogMessageInfo(message = "Failed to scan archive for annotations: {0}", level="WARNING")
private static final String FAILED_ANNOTATION_SCAN = "NCLS-DEPLOYMENT-00009";
boolean found = false;
List annotations = new ArrayList();;
public GenericAnnotationDetector(Class[] annotationClasses) {
if (annotationClasses != null) {
for (Class annClass : annotationClasses) {
annotations.add(Type.getDescriptor(annClass));
}
}
}
public boolean hasAnnotationInArchive(ReadableArchive archive) {
scanArchive(archive);
if (found) {
return found;
}
ArchiveFactory archiveFactory = null;
if (Globals.getDefaultHabitat() != null) {
archiveFactory = Globals.getDefaultHabitat().getService(ArchiveFactory.class);
}
if (archiveFactory != null) {
List externalLibs = DeploymentUtils.getExternalLibraries(archive);
for (URI externalLib : externalLibs) {
try {
scanArchive(archiveFactory.openArchive(new File(externalLib.getPath())));
} catch(FileNotFoundException fnfe) {
Object args[] = { externalLib.getPath(), archive.getName() };
deplLogger.log(Level.WARNING, ARCHIVE_NOT_FOUND, args);
} catch (Exception e) {
LogRecord lr = new LogRecord(Level.WARNING, EXCEPTION_CAUGHT);
Object args[] = { e.getMessage() };
lr.setParameters(args);
lr.setThrown(e);
deplLogger.log(lr);
}
}
}
return found;
}
public AnnotationVisitor visitAnnotation(String s, boolean b) {
if (annotations.contains(s)) {
found = true;
}
return null;
}
@Override
public void scanArchive(ReadableArchive archive) {
try {
int crFlags = ClassReader.SKIP_CODE | ClassReader.SKIP_DEBUG
| ClassReader.SKIP_FRAMES;
Enumeration entries = archive.entries();
while (entries.hasMoreElements()) {
String entryName = entries.nextElement();
if (entryName.endsWith(".class")) {
// scan class files
InputStream is = archive.getEntry(entryName);
try {
ClassReader cr = new ClassReader(is);
cr.accept(this, crFlags);
if (found) {
return;
}
} finally {
is.close();
}
} else if (entryName.endsWith(".jar") &&
entryName.indexOf('/') == -1) {
// scan class files inside top level jar
try {
ReadableArchive jarSubArchive = null;
try {
jarSubArchive = archive.getSubArchive(entryName);
Enumeration jarEntries =
jarSubArchive.entries();
while (jarEntries.hasMoreElements()) {
String jarEntryName = jarEntries.nextElement();
if (jarEntryName.endsWith(".class")) {
InputStream is =
jarSubArchive.getEntry(jarEntryName);
try {
ClassReader cr = new ClassReader(is);
cr.accept(this, crFlags);
if (found) {
return;
}
} finally {
is.close();
}
}
}
} finally {
jarSubArchive.close();
}
} catch (IOException ioe) {
Object args[] = { entryName, ioe.getMessage() };
deplLogger.log(Level.WARNING, JAR_ENTRY_ERROR, args);
}
}
}
} catch (Exception e) {
deplLogger.log(Level.WARNING, FAILED_ANNOTATION_SCAN, e.getMessage());
}
}
}
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