com.ui4j.bytebuddy.matcher.ClassLoaderHierarchyMatcher Maven / Gradle / Ivy
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package com.ui4j.bytebuddy.matcher;
/**
* An element matcher that matches all {@link java.lang.ClassLoader}s in the matched class loaders hierarchy
* against a given matcher.
*
* @param The exact type of the class loader that is matched.
*/
public class ClassLoaderHierarchyMatcher implements ElementMatcher {
/**
* The matcher to apply on each class loader in the hierarchy.
*/
private final ElementMatcher classLoaderMatcher;
/**
* Creates a new class loader hierarchy matcher.
*
* @param classLoaderMatcher The matcher to apply on each class loader in the hierarchy.
*/
public ClassLoaderHierarchyMatcher(ElementMatcher classLoaderMatcher) {
this.classLoaderMatcher = classLoaderMatcher;
}
@Override
public boolean matches(T target) {
ClassLoader current = target;
while (current != null) {
if (classLoaderMatcher.matches(current)) {
return true;
}
current = current.getParent();
}
return classLoaderMatcher.matches(null);
}
@Override
public boolean equals(Object other) {
return this == other || !(other == null || getClass() != other.getClass())
&& classLoaderMatcher.equals(((ClassLoaderHierarchyMatcher) other).classLoaderMatcher);
}
@Override
public int hashCode() {
return classLoaderMatcher.hashCode();
}
@Override
public String toString() {
return "hasChild(" + classLoaderMatcher + ')';
}
}