001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *
010 *        http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License.
018 */
019
020package org.apache.isis.core.metamodel.methodutils;
021
022import java.lang.reflect.Method;
023import java.lang.reflect.Modifier;
024
025/**
026 * As used in the <tt>findAndRemove...</tt> methods.
027 */
028public enum MethodScope {
029    CLASS, OBJECT;
030
031    public boolean isClass() {
032        return this == CLASS;
033    }
034
035    public boolean isObject() {
036        return this == OBJECT;
037    }
038
039    public boolean doesNotMatchScope(final Method method) {
040        return !matchesScopeOf(method);
041    }
042
043    public boolean matchesScopeOf(final Method method) {
044        return isStatic(method) == this.isClass();
045    }
046
047    public static MethodScope scopeFor(final Method method) {
048        return isStatic(method) ? CLASS : OBJECT;
049    }
050
051    private static boolean isStatic(final Method method) {
052        final int modifiers = method.getModifiers();
053        final boolean isStatic = Modifier.isStatic(modifiers);
054        return isStatic;
055    }
056
057}