ClassIntrospector.java
/*
* Portions of this software was developed by employees of the National Institute
* of Standards and Technology (NIST), an agency of the Federal Government and is
* being made available as a public service. Pursuant to title 17 United States
* Code Section 105, works of NIST employees are not subject to copyright
* protection in the United States. This software may be subject to foreign
* copyright. Permission in the United States and in foreign countries, to the
* extent that NIST may hold copyright, to use, copy, modify, create derivative
* works, and distribute this software and its documentation without fee is hereby
* granted on a non-exclusive basis, provided that this notice and disclaimer
* of warranty appears in all copies.
*
* THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
* EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
* THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
* INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
* SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE. IN NO EVENT
* SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
* INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
* OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
* CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
* PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
* OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
*/
package gov.nist.secauto.metaschema.databind.model;
import java.lang.reflect.Method;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
final class ClassIntrospector {
private ClassIntrospector() {
// disable construction
}
public static List<Method> getMatchingMethods(Class<?> clazz, String name, Class<?>... parameterTypes) {
List<Method> retval = new LinkedList<>();
Class<?> searchClass = clazz;
do {
try {
Method method = searchClass.getDeclaredMethod(name, parameterTypes);
retval.add(method);
} catch (NoSuchMethodException ex) {
// do nothing, no matching method was found
}
} while ((searchClass = searchClass.getSuperclass()) != null);
return retval.isEmpty() ? Collections.emptyList() : Collections.unmodifiableList(retval);
}
public static Method getMatchingMethod(Class<?> clazz, String name, Class<?>... parameterTypes) {
Method retval = null;
Class<?> searchClass = clazz;
do {
try {
retval = searchClass.getDeclaredMethod(name, parameterTypes);
// stop on first found method
break;
} catch (NoSuchMethodException ex) {
// do nothing, no matching method was found
}
} while ((searchClass = searchClass.getSuperclass()) != null);
return retval;
}
}