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 com.jfinal.kit.Ret;
021import io.jboot.components.valid.ValidUtil;
022import io.jboot.utils.ClassUtil;
023
024import javax.validation.constraints.Min;
025import java.lang.reflect.Parameter;
026
027public class MinInterceptor implements Interceptor {
028
029    @Override
030    public void intercept(Invocation inv) {
031        Parameter[] parameters = inv.getMethod().getParameters();
032
033        for (int index = 0; index < parameters.length; index++) {
034            Min min = parameters[index].getAnnotation(Min.class);
035            if (min == null) {
036                continue;
037            }
038
039            Object validObject = inv.getArg(index);
040            if (validObject == null) {
041                continue;
042            }
043
044            long objectLen = Util.getObjectLen(validObject);
045
046            if (min.value() > objectLen) {
047                String reason = parameters[index].getName() + " min value is " + min.value() + ", but current value is " + validObject + " at method: " + ClassUtil.buildMethodString(inv.getMethod());
048                Ret paras = Ret.by("value", min.value());
049                ValidUtil.throwValidException(parameters[index].getName(), min.message(), paras, reason);
050            }
051        }
052
053        inv.invoke();
054    }
055
056
057}