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To test on both Java 8 and Java 9, use this command: mvn clean install -Djava8.home=/path/to/jdk/8
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,155 @@ | ||
| package org.jboss.logmanager; | ||
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| import static java.security.AccessController.doPrivileged; | ||
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| import java.lang.module.ModuleDescriptor; | ||
| import java.security.PrivilegedAction; | ||
| import java.util.EnumSet; | ||
| import java.util.Iterator; | ||
| import java.util.Optional; | ||
| import java.util.Set; | ||
| import java.util.function.Function; | ||
| import java.util.stream.Stream; | ||
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| import org.jboss.modules.Module; | ||
| import org.jboss.modules.Version; | ||
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| /** | ||
| * @author <a href="mailto:david.lloyd@redhat.com">David M. Lloyd</a> | ||
| */ | ||
| final class JDKSpecific { | ||
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| static final StackWalker WALKER = doPrivileged(new GetStackWalkerAction()); | ||
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| private JDKSpecific() {} | ||
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| private static final boolean JBOSS_MODULES; | ||
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| static { | ||
| boolean jbossModules = false; | ||
| try { | ||
| Module.getStartTime(); | ||
| jbossModules = true; | ||
| } catch (Throwable ignored) {} | ||
| JBOSS_MODULES = jbossModules; | ||
| } | ||
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| static Class<?> findCallingClass(Set<ClassLoader> rejectClassLoaders) { | ||
| final SecurityManager sm = System.getSecurityManager(); | ||
| if (sm != null) { | ||
| return doPrivileged(new FindCallingClassAction(rejectClassLoaders)); | ||
| } else { | ||
| return WALKER.walk(new FindFirstWalkFunction(rejectClassLoaders)); | ||
| } | ||
| } | ||
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| static void calculateCaller(ExtLogRecord logRecord) { | ||
| WALKER.walk(new CallerCalcFunction(logRecord)); | ||
| } | ||
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| static void calculateJdkModule(final ExtLogRecord logRecord, final Class<?> clazz) { | ||
| final java.lang.Module module = clazz.getModule(); | ||
| if (module != null) { | ||
| logRecord.setSourceModuleName(module.getName()); | ||
| final ModuleDescriptor descriptor = module.getDescriptor(); | ||
| if (descriptor != null) { | ||
| final Optional<ModuleDescriptor.Version> optional = descriptor.version(); | ||
| if (optional.isPresent()) { | ||
| logRecord.setSourceModuleVersion(optional.get().toString()); | ||
| } else { | ||
| logRecord.setSourceModuleVersion(null); | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| static void calculateModule(final ExtLogRecord logRecord, final Class<?> clazz) { | ||
| final Module module = Module.forClass(clazz); | ||
| if (module != null) { | ||
| logRecord.setSourceModuleName(module.getName()); | ||
| final Version version = module.getVersion(); | ||
| if (version != null) { | ||
| logRecord.setSourceModuleVersion(version.toString()); | ||
| } else { | ||
| logRecord.setSourceModuleVersion(null); | ||
| } | ||
| } else { | ||
| calculateJdkModule(logRecord, clazz); | ||
| } | ||
| } | ||
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| static final class CallerCalcFunction implements Function<Stream<StackWalker.StackFrame>, Void> { | ||
| private final ExtLogRecord logRecord; | ||
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| CallerCalcFunction(final ExtLogRecord logRecord) { | ||
| this.logRecord = logRecord; | ||
| } | ||
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| public Void apply(final Stream<StackWalker.StackFrame> stream) { | ||
| final String loggerClassName = logRecord.getLoggerClassName(); | ||
| final Iterator<StackWalker.StackFrame> iterator = stream.iterator(); | ||
| boolean found = false; | ||
| while (iterator.hasNext()) { | ||
| final StackWalker.StackFrame frame = iterator.next(); | ||
| final Class<?> clazz = frame.getDeclaringClass(); | ||
| if (clazz.getName().equals(loggerClassName)) { | ||
| // next entry could be the one we want! | ||
| found = true; | ||
| } else if (found) { | ||
| logRecord.setSourceClassName(frame.getClassName()); | ||
| logRecord.setSourceMethodName(frame.getMethodName()); | ||
| logRecord.setSourceFileName(frame.getFileName()); | ||
| logRecord.setSourceLineNumber(frame.getLineNumber()); | ||
| if (JBOSS_MODULES) { | ||
| calculateModule(logRecord, clazz); | ||
| } else { | ||
| calculateJdkModule(logRecord, clazz); | ||
| } | ||
| return null; | ||
| } | ||
| } | ||
| logRecord.setUnknownCaller(); | ||
| return null; | ||
| } | ||
| } | ||
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| static final class GetStackWalkerAction implements PrivilegedAction<StackWalker> { | ||
| GetStackWalkerAction() {} | ||
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| public StackWalker run() { | ||
| return StackWalker.getInstance(EnumSet.of(StackWalker.Option.RETAIN_CLASS_REFERENCE)); | ||
| } | ||
| } | ||
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| static final class FindCallingClassAction implements PrivilegedAction<Class<?>> { | ||
| private final Set<ClassLoader> rejectClassLoaders; | ||
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| FindCallingClassAction(final Set<ClassLoader> rejectClassLoaders) { | ||
| this.rejectClassLoaders = rejectClassLoaders; | ||
| } | ||
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| public Class<?> run() { | ||
| return WALKER.walk(new FindFirstWalkFunction(rejectClassLoaders)); | ||
| } | ||
| } | ||
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| static final class FindFirstWalkFunction implements Function<Stream<StackWalker.StackFrame>, Class<?>> { | ||
| private final Set<ClassLoader> rejectClassLoaders; | ||
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| FindFirstWalkFunction(final Set<ClassLoader> rejectClassLoaders) { | ||
| this.rejectClassLoaders = rejectClassLoaders; | ||
| } | ||
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| public Class<?> apply(final Stream<StackWalker.StackFrame> stream) { | ||
| final Iterator<StackWalker.StackFrame> iterator = stream.iterator(); | ||
| while (iterator.hasNext()) { | ||
| final Class<?> clazz = iterator.next().getDeclaringClass(); | ||
| final ClassLoader classLoader = clazz.getClassLoader(); | ||
| if (! rejectClassLoaders.contains(classLoader)) { | ||
| return clazz; | ||
| } | ||
| } | ||
| return null; | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| /* | ||
| * JBoss, Home of Professional Open Source. | ||
| * Copyright 2017 Red Hat, Inc., and individual contributors | ||
| * as indicated by the @author tags. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| package org.jboss.logmanager; | ||
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| import java.security.PrivilegedAction; | ||
|
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| /** | ||
| */ | ||
| class LogLevelInitTask implements PrivilegedAction<Void> { | ||
| LogLevelInitTask() { | ||
| } | ||
|
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| public Void run() { | ||
| return null; | ||
| } | ||
| } |