package net.bytebuddy.matcher;
import net.bytebuddy.build.HashCodeAndEqualsPlugin;
/**
* An element matcher that matches all {@link java.lang.ClassLoader}s in the matched class loaders hierarchy
* against a given matcher.
*
* @param <T> The exact type of the class loader that is matched.
*/
@HashCodeAndEqualsPlugin.Enhance
public class ClassLoaderHierarchyMatcher<T extends ClassLoader> extends ElementMatcher.Junction.AbstractBase<T> {
/**
* The matcher to apply on each class loader in the hierarchy.
*/
private final ElementMatcher<? super ClassLoader> matcher;
/**
* Creates a new class loader hierarchy matcher.
*
* @param matcher The matcher to apply on each class loader in the hierarchy.
*/
public ClassLoaderHierarchyMatcher(ElementMatcher<? super ClassLoader> matcher) {
this.matcher = matcher;
}
@Override
public boolean matches(T target) {
ClassLoadercurrent = target;
while (current != null) {
if (matcher.matches(current)) {
return true;
}
current = current.getParent();
}
return matcher.matches(null);
}
@Override
public StringtoString() {
return "hasChild(" + matcher + ')';
}
}