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48 lines
1.4 KiB
48 lines
1.4 KiB
6 years ago
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package ${domain};
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import javax.validation.ConstraintViolation;
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import javax.validation.Validation;
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import javax.validation.Validator;
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import javax.validation.ValidatorFactory;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Set;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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* 验证工具类。提供一些通用简单的数据验证功能。
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*/
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public class ValidationUtil {
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private static ValidatorFactory factory = Validation.buildDefaultValidatorFactory();
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public static <T extends ApiResponse> T validate(ApiRequest req, T response) {
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if (req == null) {
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response.addError(ErrorType.EXPECTATION_NULL, "请求对象不能为空");
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return response;
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}
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try {
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Validator validator = factory.getValidator();
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Set<ConstraintViolation<ApiRequest>> constraintViolations = validator.validate(req);
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if (constraintViolations.size() > 0) {
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for (ConstraintViolation<ApiRequest> violation : constraintViolations) {
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response.addError(ErrorType.INVALID_PARAMETER, violation.getMessage());
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}
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}
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} catch (Exception e) {
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e.printStackTrace();
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response.addError(ErrorType.BUSINESS_ERROR, e.getMessage());
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}
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return response;
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}
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}
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