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;
022import io.jboot.web.validate.Regex;
023
024import javax.validation.constraints.Email;
025import javax.validation.constraints.Pattern;
026import java.lang.reflect.Parameter;
027
028public class EmailInterceptor implements Interceptor {
029
030    @Override
031    public void intercept(Invocation inv) {
032        Parameter[] parameters = inv.getMethod().getParameters();
033        for (int index = 0; index < parameters.length; index++) {
034            Email email = parameters[index].getAnnotation(Email.class);
035            if (email == null) {
036                continue;
037            }
038
039            Object validObject = inv.getArg(index);
040            if (validObject == null || !matches(email, validObject.toString())) {
041                String reason = parameters[index].getName() + " is not email at method: " + ClassUtil.buildMethodString(inv.getMethod());
042                ValidUtil.throwValidException(parameters[index].getName(), email.message(), reason);
043            }
044        }
045
046
047        inv.invoke();
048    }
049
050    private static boolean matches(Email email, String value) {
051        Pattern.Flag[] flags = email.flags();
052        String regexp = ".*".equals(email.regexp()) ? Regex.EMAIL : email.regexp();
053        if (flags.length == 0) {
054            return value.matches(regexp);
055        }
056
057        int intFlag = 0;
058        for (Pattern.Flag flag : flags) {
059            intFlag = intFlag | flag.getValue();
060        }
061
062        java.util.regex.Pattern p = java.util.regex.Pattern.compile(regexp, intFlag);
063        return p.matcher(value).matches();
064
065    }
066
067}