com.nagarro.core.validator.FieldEmptyValidator.java Source code

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Here is the source code for com.nagarro.core.validator.FieldEmptyValidator.java

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/*
 * [y] hybris Platform
 *
 * Copyright (c) 2000-2015 hybris AG
 * All rights reserved.
 *
 * This software is the confidential and proprietary information of hybris
 * ("Confidential Information"). You shall not disclose such Confidential
 * Information and shall use it only in accordance with the terms of the
 * license agreement you entered into with hybris.
 *
 *  
 */
package com.nagarro.core.validator;

import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Required;
import org.springframework.util.Assert;
import org.springframework.validation.Errors;
import org.springframework.validation.Validator;

/**
 * Implementation of {@link org.springframework.validation.Validator} that validates one specific string property
 * specified by {@link #fieldPath} property in any object if it is null or blank
 *
 */
public class FieldEmptyValidator implements Validator {
    private static final String FIELD_REQUIRED_MESSAGE_ID = "field.not.allowed";

    private String fieldPath;

    @Override
    public boolean supports(final Class clazz) {
        return true;
    }

    @Override
    public void validate(final Object object, final Errors errors) {
        Assert.notNull(errors, "Errors object must not be null");
        final Object fieldValue = errors.getFieldValue(fieldPath);

        if (fieldValue != null && (fieldValue instanceof String && StringUtils.isNotBlank((String) fieldValue))) {
            errors.rejectValue(fieldPath, FIELD_REQUIRED_MESSAGE_ID, new String[] { fieldPath }, null);
        }
    }

    public String getFieldPath() {
        return fieldPath;
    }

    @Required
    public void setFieldPath(final String fieldPath) {
        this.fieldPath = fieldPath;
    }

}