com.br.uepb.validator.adapter.CustomConstraintSpringValidatorAdapter.java Source code

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Here is the source code for com.br.uepb.validator.adapter.CustomConstraintSpringValidatorAdapter.java

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/*
The MIT License (MIT)
Copyright (c) 2016 Ncleo de Tecnologias Estratgicas em Sade (NUTES)
    
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated 
documentation files (the "Software"), to deal in the Software without restriction, including without limitation 
the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, 
and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
    
The above copyright notice and this permission notice shall be included in all copies or substantial portions 
of the Software.
    
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED 
TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 
CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
DEALINGS IN THE SOFTWARE. 
*/
package com.br.uepb.validator.adapter;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Set;

import javax.validation.ConstraintViolation;

import org.springframework.beans.NotReadablePropertyException;
import org.springframework.validation.BindingResult;
import org.springframework.validation.Errors;
import org.springframework.validation.FieldError;
import org.springframework.validation.ObjectError;
import org.springframework.validation.beanvalidation.LocalValidatorFactoryBean;

public class CustomConstraintSpringValidatorAdapter extends LocalValidatorFactoryBean {

    @Override
    protected void processConstraintViolations(Set<ConstraintViolation<Object>> violations, Errors errors) {
        for (ConstraintViolation<Object> violation : violations) {
            String field = violation.getPropertyPath().toString();
            FieldError fieldError = errors.getFieldError(field);
            if (fieldError == null || !fieldError.isBindingFailure()) {
                try {
                    String errorCode = violation.getConstraintDescriptor().getAnnotation().annotationType()
                            .getSimpleName();
                    Object[] errorArgs = getArgumentsForConstraint(errors.getObjectName(), field,
                            violation.getConstraintDescriptor());
                    if (errors instanceof BindingResult) {
                        // can do custom FieldError registration with invalid value from ConstraintViolation,
                        // as necessary for Hibernate Validator compatibility (non-indexed set path in field)
                        BindingResult bindingResult = (BindingResult) errors;
                        String[] errorCodes = bindingResult.resolveMessageCodes(errorCode, field);
                        String nestedField = bindingResult.getNestedPath() + field;
                        ObjectError error;
                        if ("".equals(nestedField)) {
                            error = new ObjectError(errors.getObjectName(), errorCodes, errorArgs,
                                    violation.getMessage());
                        } else {
                            Object invalidValue = violation.getInvalidValue();
                            if (!"".equals(field) && invalidValue == violation.getLeafBean()) {
                                // bean constraint with property path: retrieve the actual property value
                                invalidValue = bindingResult.getRawFieldValue(field);
                            }
                            if (violation.getMessage() != null && violation.getMessage().startsWith("{")
                                    && violation.getMessage().endsWith("}")) {
                                String keyMessage = violation.getMessage();
                                keyMessage = keyMessage.replace("{", "");
                                keyMessage = keyMessage.replace("}", "");
                                List<String> temp = new ArrayList<String>(Arrays.asList(errorCodes));
                                temp.add(keyMessage);
                                errorCodes = temp.toArray(new String[temp.size()]);
                                error = new FieldError(errors.getObjectName(), nestedField, invalidValue, false,
                                        errorCodes, errorArgs, violation.getMessage());
                            } else {
                                error = new FieldError(errors.getObjectName(), nestedField, invalidValue, false,
                                        errorCodes, errorArgs, violation.getMessage());
                            }
                        }
                        bindingResult.addError(error);
                    } else {
                        // got no BindingResult - can only do standard rejectValue call
                        // with automatic extraction of the current field value
                        if (violation.getMessage() != null && violation.getMessage().startsWith("{")
                                && violation.getMessage().endsWith("}")) {
                            String keyMessage = violation.getMessage();
                            keyMessage = keyMessage.replace("{", "");
                            keyMessage = keyMessage.replace("}", "");
                            errors.rejectValue(field, keyMessage);
                        } else {
                            errors.rejectValue(field, errorCode, errorArgs, violation.getMessage());
                        }
                    }
                } catch (NotReadablePropertyException ex) {
                    throw new IllegalStateException("JSR-303 validated property '" + field
                            + "' does not have a corresponding accessor for Spring data binding - "
                            + "check your DataBinder's configuration (bean property versus direct field access)",
                            ex);
                }
            }
        }
    }
}