| /* |
| * Copyright (c) OSGi Alliance (2017). All Rights Reserved. |
| * |
| * 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.osgi.util.converter; |
| |
| import java.lang.reflect.Field; |
| import java.lang.reflect.Method; |
| import java.lang.reflect.Modifier; |
| |
| /** |
| * @author $Id$ |
| */ |
| class DTOUtil { |
| private DTOUtil() { |
| // Do not instantiate. This is a utility class. |
| } |
| |
| static boolean isDTOType(Class< ? > cls, boolean ignorePublicNoArgsCtor) { |
| if(!ignorePublicNoArgsCtor) { |
| try { |
| cls.getConstructor(); |
| } catch (NoSuchMethodException | SecurityException e) { |
| // No public zero-arg constructor, not a DTO |
| return false; |
| } |
| } |
| |
| for (Method m : cls.getMethods()) { |
| try { |
| Object.class.getMethod(m.getName(), m.getParameterTypes()); |
| } catch (NoSuchMethodException snme) { |
| // Not a method defined by Object.class (or override of such |
| // method) |
| return false; |
| } |
| } |
| |
| /* |
| * for (Field f : cls.getDeclaredFields()) { int modifiers = |
| * f.getModifiers(); if (Modifier.isStatic(modifiers)) { // ignore |
| * static fields continue; } if (!Modifier.isPublic(modifiers)) { return |
| * false; } } |
| */ |
| |
| boolean foundField = false; |
| for (Field f : cls.getFields()) { |
| int modifiers = f.getModifiers(); |
| if (Modifier.isStatic(modifiers)) { |
| // ignore static fields |
| continue; |
| } |
| |
| if (!Modifier.isPublic(modifiers)) { |
| return false; |
| } |
| foundField = true; |
| } |
| return foundField; |
| } |
| } |