X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;f=support%2Fgeneral%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Freflection%2FReflectionUtils.java;h=7c5c45f94fd7f1e2d44a58fafbf38b7cd3f444f2;hb=a182ac0a12646774077ebb3648c996030eff8e20;hp=ee18b11521d1cdca4eba85c9c92438d82a8452f0;hpb=8de36ff0206c996baf3ee4adc3e2293b12ff5f39;p=utils diff --git a/support/general/src/main/java/org/wamblee/reflection/ReflectionUtils.java b/support/general/src/main/java/org/wamblee/reflection/ReflectionUtils.java index ee18b115..7c5c45f9 100644 --- a/support/general/src/main/java/org/wamblee/reflection/ReflectionUtils.java +++ b/support/general/src/main/java/org/wamblee/reflection/ReflectionUtils.java @@ -1,13 +1,33 @@ +/* + * Copyright 2005-2010 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. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ package org.wamblee.reflection; +import java.lang.reflect.Field; import java.lang.reflect.Method; - import java.util.ArrayList; import java.util.Arrays; import java.util.HashMap; import java.util.List; import java.util.Map; +/** + * Some utilities for reflection. + * + * @author Erik Brakkee + */ public class ReflectionUtils { /** * Wraps a type by the corresponding wrapper type if it is a primitive type. @@ -56,24 +76,30 @@ public class ReflectionUtils { return aClass; } - public static List getAllMethods(Class aClass) { + public static List getAllMethods(Class aClass, + Class... aExcludedClasses) { + if (aClass.isInterface()) { + throw new IllegalArgumentException(aClass.getName() + + " is not an interface."); + } Map found = new HashMap(); - getAllMethods(aClass, found); + getAllMethods(aClass, found, Arrays.asList(aExcludedClasses)); return new ArrayList(found.values()); } - private static void getAllMethods(Class aClass, Map aFound) { + private static void getAllMethods(Class aClass, Map aFound, + List aExcludedClasses) { List declared = Arrays.asList(aClass.getDeclaredMethods()); for (Method method : declared) { Method superMethod = aFound.get(method.getName()); if (superMethod == null) { - // no superclass method + // no subclass method aFound.put(method.getName(), method); } else { - // super class method. Check for override. + // subclass method. Check for override. if (!Arrays.equals(superMethod.getParameterTypes(), method .getParameterTypes())) { // parameters differ so this is a new method. @@ -84,8 +110,35 @@ public class ReflectionUtils { Class superClass = aClass.getSuperclass(); - if (superClass != null) { - getAllMethods(superClass, aFound); + if (superClass != null && !aExcludedClasses.contains(superClass)) { + getAllMethods(superClass, aFound, aExcludedClasses); + } + } + + public static List getAllFields(Class aClass, + Class... aExcludedClasses) { + if (aClass.isInterface()) { + throw new IllegalArgumentException(aClass.getName() + + " is an interface."); + } + List found = new ArrayList(); + getAllFields(aClass, found, Arrays.asList(aExcludedClasses)); + + return found; + } + + private static void getAllFields(Class aClass, List aFound, + List aExcludedClasses) { + List declared = Arrays.asList(aClass.getDeclaredFields()); + + for (Field field : declared) { + aFound.add(field); + } + + Class superClass = aClass.getSuperclass(); + + if (superClass != null && !aExcludedClasses.contains(superClass)) { + getAllFields(superClass, aFound, aExcludedClasses); } } }