| // *************************************************************************************************************************** |
| // * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file * |
| // * distributed with this work for additional information regarding copyright ownership. The ASF licenses this file * |
| // * to you 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.apache.juneau.httppart.bean; |
| |
| import java.lang.annotation.*; |
| |
| import org.apache.juneau.annotation.*; |
| import org.apache.juneau.reflection.*; |
| |
| /** |
| * Utility methods. |
| */ |
| class Utils { |
| |
| static void assertNoArgs(MethodInfo m, Class<?> a) throws InvalidAnnotationException { |
| if (m.getParameterTypes().length != 0) |
| throw new InvalidAnnotationException("Method with @{0} annotation cannot have arguments. Method=''{1}''", a.getSimpleName(), m); |
| } |
| |
| static void assertReturnNotVoid(MethodInfo m, Class<?> a) throws InvalidAnnotationException { |
| ClassInfo rt = m.getReturnType(); |
| if (rt.getInner() == void.class) |
| throw new InvalidAnnotationException("Invalid return type for method with annotation @{0}. Method=''{1}''", a.getSimpleName(), m); |
| } |
| |
| static void assertReturnType(MethodInfo m, Class<? extends Annotation> a, Class<?>...c) throws InvalidAnnotationException { |
| ClassInfo rt = m.getReturnType(); |
| for (Class<?> cc : c) |
| if (rt.getInner() == cc) |
| return; |
| throw new InvalidAnnotationException("Invalid return type for method with annotation @{0}. Method=''{1}''", a.getSimpleName(), m); |
| } |
| |
| static void assertArgType(MethodInfo m, Class<? extends Annotation> a, Class<?>...c) throws InvalidAnnotationException { |
| Class<?>[] ptt = m.getParameterTypes(); |
| if (ptt.length != 1) |
| throw new InvalidAnnotationException("Only one parameter can be passed to method with @{0} annotation. Method=''{0}''", a.getSimpleName(), m); |
| Class<?> rt = ptt[0]; |
| for (Class<?> cc : c) |
| if (rt == cc) |
| return; |
| throw new InvalidAnnotationException("Invalid return type for method with annotation @{0}. Method=''{1}''", a.getSimpleName(), m); |
| } |
| } |