001/**
002 * Copyright (c) 2015-2022, Michael Yang 杨福海 (fuhai999@gmail.com).
003 * <p>
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 * <p>
008 * http://www.apache.org/licenses/LICENSE-2.0
009 * <p>
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package io.jboot.components.valid.interceptor;
017
018import com.jfinal.aop.Interceptor;
019import com.jfinal.aop.Invocation;
020import io.jboot.components.valid.ValidUtil;
021import io.jboot.utils.ClassUtil;
022
023import javax.validation.constraints.NegativeOrZero;
024import java.lang.reflect.Parameter;
025
026public class NegativeOrZeroInterceptor implements Interceptor {
027
028    @Override
029    public void intercept(Invocation inv) {
030        Parameter[] parameters = inv.getMethod().getParameters();
031        for (int index = 0; index < parameters.length; index++) {
032            NegativeOrZero negativeOrZero = parameters[index].getAnnotation(NegativeOrZero.class);
033            if (negativeOrZero == null) {
034                continue;
035            }
036
037            Object validObject = inv.getArg(index);
038
039            if (!(validObject instanceof Number) || ((Number) validObject).longValue() > 0) {
040                String reason = parameters[index].getName() + " is null or greater than 0 at method: " + ClassUtil.buildMethodString(inv.getMethod());
041                ValidUtil.throwValidException(parameters[index].getName(), negativeOrZero.message(), reason);
042            }
043
044        }
045
046        inv.invoke();
047    }
048
049
050}