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Load-time weaving support for WildFly 13+ (JBoss Modules 1.8+) 

Fixes gh-22297
This commit is contained in:
Juergen Hoeller 2019-02-05 00:44:52 +01:00
parent 59a9c8e004
commit 0ebc020b21
1 changed files with 19 additions and 4 deletions
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23
spring-context/src/main/java/org/springframework/instrument/classloading/jboss/JBossLoadTimeWeaver.java
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@ -1,5 +1,5 @@
/*
* Copyright 2002-2017 the original author or authors.
* Copyright 2002-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -32,6 +32,7 @@ import org.springframework.util.ReflectionUtils;
* Thanks to Ales Justin and Marius Bogoevici for the initial prototype.
*
* <p>As of Spring Framework 5.0, this weaver supports WildFly 8+.
* As of Spring Framework 5.1.5, it also supports WildFly 13+.
*
* @author Costin Leau
* @author Juergen Hoeller
@ -42,6 +43,9 @@ public class JBossLoadTimeWeaver implements LoadTimeWeaver {
private static final String DELEGATING_TRANSFORMER_CLASS_NAME =
"org.jboss.as.server.deployment.module.DelegatingClassFileTransformer";
private static final String WRAPPER_TRANSFORMER_CLASS_NAME =
"org.jboss.modules.JLIClassTransformer";
private final ClassLoader classLoader;
@ -76,12 +80,23 @@ public class JBossLoadTimeWeaver implements LoadTimeWeaver {
}
transformer.setAccessible(true);
this.delegatingTransformer = transformer.get(classLoader);
if (!this.delegatingTransformer.getClass().getName().equals(DELEGATING_TRANSFORMER_CLASS_NAME)) {
Object suggestedTransformer = transformer.get(classLoader);
if (suggestedTransformer.getClass().getName().equals(WRAPPER_TRANSFORMER_CLASS_NAME)) {
Field wrappedTransformer = ReflectionUtils.findField(suggestedTransformer.getClass(), "transformer");
if (wrappedTransformer == null) {
throw new IllegalArgumentException(
"Could not find 'transformer' field on JBoss JLIClassTransformer: " +
suggestedTransformer.getClass().getName());
}
wrappedTransformer.setAccessible(true);
suggestedTransformer = wrappedTransformer.get(suggestedTransformer);
}
if (!suggestedTransformer.getClass().getName().equals(DELEGATING_TRANSFORMER_CLASS_NAME)) {
throw new IllegalStateException(
"Transformer not of the expected type DelegatingClassFileTransformer: " +
this.delegatingTransformer.getClass().getName());
suggestedTransformer.getClass().getName());
}
this.delegatingTransformer = suggestedTransformer;
Method addTransformer = ReflectionUtils.findMethod(this.delegatingTransformer.getClass(),
"addTransformer", ClassFileTransformer.class);