/*
* Hibernate Validator, declare and validate application constraints
*
* License: Apache License, Version 2.0
* See the license.txt file in the root directory or <http://www.apache.org/licenses/LICENSE-2.0>.
*/
package org.hibernate.validator.internal.util.classhierarchy;
Provides filters to be used when invoking ClassHierarchyHelper.getHierarchy(Class<Object>, Filter...)
. Author: Gunnar Morling
/**
* Provides filters to be used when invoking
* {@link ClassHierarchyHelper#getHierarchy(Class, Filter...)}.
*
* @author Gunnar Morling
*/
public class Filters {
private static final Filter PROXY_FILTER = new WeldProxyFilter();
private static final Filter INTERFACES_FILTER = new InterfacesFilter();
private Filters() {
// Not allowed
}
Returns a filter which excludes interfaces.
Returns: a filter which excludes interfaces
/**
* Returns a filter which excludes interfaces.
*
* @return a filter which excludes interfaces
*/
public static Filter excludeInterfaces() {
return INTERFACES_FILTER;
}
Returns a filter which excludes proxy objects.
Returns: a filter which excludes proxy objects
/**
* Returns a filter which excludes proxy objects.
*
* @return a filter which excludes proxy objects
*/
public static Filter excludeProxies() {
return PROXY_FILTER;
}
private static class InterfacesFilter implements Filter {
@Override
public boolean accepts(Class<?> clazz) {
return !clazz.isInterface();
}
}
private static class WeldProxyFilter implements Filter {
private static final String WELD_PROXY_INTERFACE_NAME = "org.jboss.weld.bean.proxy.ProxyObject";
@Override
public boolean accepts(Class<?> clazz) {
return !isWeldProxy( clazz );
}
Whether the given class is a proxy created by Weld or not. This is the case if the given class implements the interface org.jboss.weld.bean.proxy.ProxyObject
. Params: - clazz – the class of interest
Returns: true
if the given class is a Weld proxy, false
otherwise
/**
* Whether the given class is a proxy created by Weld or not. This is
* the case if the given class implements the interface
* {@code org.jboss.weld.bean.proxy.ProxyObject}.
*
* @param clazz the class of interest
*
* @return {@code true} if the given class is a Weld proxy,
* {@code false} otherwise
*/
private boolean isWeldProxy(Class<?> clazz) {
for ( Class<?> implementedInterface : clazz.getInterfaces() ) {
if ( implementedInterface.getName().equals( WELD_PROXY_INTERFACE_NAME ) ) {
return true;
}
}
return false;
}
}
}