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Check annotation without loading annotation type

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This commit is contained in:
Jongho Moon
2015-08-25 13:57:54 +09:00
parent 45978e46cc
commit d3cee5bcd8
1 changed files with 12 additions and 53 deletions
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profiler/src/main/java/com/navercorp/pinpoint/profiler/modifier/spring/beans/interceptor/TargetBeanFilter.java
+12 -53
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@@ -16,20 +16,18 @@
package com.navercorp.pinpoint.profiler.modifier.spring.beans.interceptor;
import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder;
import com.navercorp.pinpoint.bootstrap.config.ProfilerConfig;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.lang.annotation.Annotation;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.Set;
import java.util.regex.Pattern;
import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder;
import com.navercorp.pinpoint.bootstrap.config.ProfilerConfig;
/**
*
* @author Jongho Moon <jongho.moon@navercorp.com>
@@ -40,12 +38,9 @@ public class TargetBeanFilter {
private static final int CACHE_CONCURRENCY_LEVEL = Runtime.getRuntime().availableProcessors() * 2;
private static final Object EXIST = new Object();
private final Logger logger = LoggerFactory.getLogger(getClass());
private final List<Pattern> targetNamePatterns;
private final List<Pattern> targetClassPatterns;
private final List<String> targetAnnotationNames;
private final ConcurrentMap<ClassLoader, List<Class<? extends Annotation>>> targetAnnotationMap = new ConcurrentHashMap<ClassLoader, List<Class<? extends Annotation>>>();
private final Set<String> targetAnnotationNames;
private final Cache<Class<?>, Object> transformed = createCache();
@@ -86,7 +81,7 @@ public class TargetBeanFilter {
private TargetBeanFilter(List<Pattern> targetNamePatterns, List<Pattern> targetClassPatterns, List<String> targetAnnotationNames) {
this.targetNamePatterns = targetNamePatterns;
this.targetClassPatterns = targetClassPatterns;
this.targetAnnotationNames = targetAnnotationNames;
this.targetAnnotationNames = targetAnnotationNames == null ? null : new HashSet<String>(targetAnnotationNames);
}
public boolean isTarget(String beanName, Class<?> clazz) {
@@ -115,17 +110,15 @@ public class TargetBeanFilter {
}
if (targetAnnotationNames != null) {
List<Class<? extends Annotation>> targetAnnotations = getTargetAnnotations(clazz.getClassLoader());
for (Class<? extends Annotation> a : targetAnnotations) {
if (clazz.isAnnotationPresent(a)) {
for (Annotation a : clazz.getAnnotations()) {
if (targetAnnotationNames.contains(a.annotationType().getName())) {
return true;
}
}
for (Annotation a : clazz.getAnnotations()) {
for (Class<? extends Annotation> ac : targetAnnotations) {
if (a.annotationType().isAnnotationPresent(ac)) {
for (Annotation ac : a.annotationType().getAnnotations()) {
if (targetAnnotationNames.contains(ac.annotationType().getName())) {
return true;
}
}
@@ -150,40 +143,6 @@ public class TargetBeanFilter {
transformed.put(clazz, EXIST);
}
private List<Class<? extends Annotation>> getTargetAnnotations(ClassLoader classLoader) {
ClassLoader nonNull = classLoader == null ? ClassLoader.getSystemClassLoader() : classLoader;
List<Class<? extends Annotation>> targetAnnotations = targetAnnotationMap.get(nonNull);
if (targetAnnotations == null) {
targetAnnotations = loadTargetAnnotations(nonNull);
targetAnnotationMap.put(nonNull, targetAnnotations);
}
return targetAnnotations;
}
private List<Class<? extends Annotation>> loadTargetAnnotations(ClassLoader loader) {
if (targetAnnotationNames.isEmpty()) {
return Collections.emptyList();
}
List<Class<? extends Annotation>> targetAnnotationClasses = new ArrayList<Class<? extends Annotation>>(targetAnnotationNames.size());
for (String targetAnnotationName : targetAnnotationNames) {
try {
Class<?> clazz = loader.loadClass(targetAnnotationName);
Class<? extends Annotation> ac = clazz.asSubclass(Annotation.class);
targetAnnotationClasses.add(ac);
} catch (ClassNotFoundException e) {
logger.warn("Cannot find Spring beans profile target annotation class: {}. This configuration will be ignored.", targetAnnotationName, e);
} catch (ClassCastException e) {
logger.warn("Given Spring beans profile target annotation class is not subclass of Annotation: {}. This configuration will be ignored.", targetAnnotationName, e);
}
}
return targetAnnotationClasses;
}
private static List<String> split(String values) {
if (values == null) {
return Collections.emptyList();