| /* |
| * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.beans.introspect; |
| |
| import java.lang.reflect.Method; |
| import java.lang.reflect.Modifier; |
| import java.lang.reflect.Type; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.List; |
| |
| import com.sun.beans.TypeResolver; |
| import com.sun.beans.finder.MethodFinder; |
| |
| final class MethodInfo { |
| final Method method; |
| final Class<?> type; |
| |
| MethodInfo(Method method, Class<?> type) { |
| this.method = method; |
| this.type = type; |
| } |
| |
| MethodInfo(Method method, Type type) { |
| this.method = method; |
| this.type = resolve(method, type); |
| } |
| |
| boolean isThrow(Class<?> exception) { |
| for (Class<?> type : this.method.getExceptionTypes()) { |
| if (type == exception) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| static Class<?> resolve(Method method, Type type) { |
| return TypeResolver.erase(TypeResolver.resolveInClass(method.getDeclaringClass(), type)); |
| } |
| |
| static List<Method> get(Class<?> type) { |
| List<Method> list = null; |
| if (type != null) { |
| boolean inaccessible = !Modifier.isPublic(type.getModifiers()); |
| for (Method method : type.getMethods()) { |
| if (method.getDeclaringClass().equals(type)) { |
| if (inaccessible) { |
| try { |
| method = MethodFinder.findAccessibleMethod(method); |
| if (!method.getDeclaringClass().isInterface()) { |
| method = null; // ignore methods from superclasses |
| } |
| } catch (NoSuchMethodException exception) { |
| // commented out because of 6976577 |
| // method = null; // ignore inaccessible methods |
| } |
| } |
| if (method != null) { |
| if (list == null) { |
| list = new ArrayList<>(); |
| } |
| list.add(method); |
| } |
| } |
| } |
| } |
| if (list != null) { |
| list.sort(MethodOrder.instance); |
| return Collections.unmodifiableList(list); |
| } |
| return Collections.emptyList(); |
| } |
| |
| /** |
| * A comparator that defines a total order so that methods have the same |
| * name and identical signatures appear next to each others. The methods are |
| * sorted in such a way that methods which override each other will sit next |
| * to each other, with the overridden method last - e.g. is Integer getFoo() |
| * placed before Object getFoo(). |
| **/ |
| private static final class MethodOrder implements Comparator<Method> { |
| |
| /* |
| * Code particularly was copied from com.sun.jmx.mbeanserver.MethodOrder |
| */ |
| @Override |
| public int compare(final Method a, final Method b) { |
| int cmp = a.getName().compareTo(b.getName()); |
| if (cmp != 0) { |
| return cmp; |
| } |
| final Class<?>[] aparams = a.getParameterTypes(); |
| final Class<?>[] bparams = b.getParameterTypes(); |
| if (aparams.length != bparams.length) { |
| return aparams.length - bparams.length; |
| } |
| for (int i = 0; i < aparams.length; ++i) { |
| final Class<?> aparam = aparams[i]; |
| final Class<?> bparam = bparams[i]; |
| if (aparam == bparam) { |
| continue; |
| } |
| cmp = aparam.getName().compareTo(bparam.getName()); |
| if (cmp != 0) { |
| return cmp; |
| } |
| } |
| final Class<?> aret = a.getReturnType(); |
| final Class<?> bret = b.getReturnType(); |
| if (aret == bret) { |
| return 0; |
| } |
| |
| // Super type comes last: Integer, Number, Object |
| if (aret.isAssignableFrom(bret)) { |
| return 1; |
| } |
| if (bret.isAssignableFrom(aret)) { |
| return -1; |
| } |
| return aret.getName().compareTo(bret.getName()); |
| } |
| |
| static final MethodOrder instance = new MethodOrder(); |
| } |
| } |