nl.surfnet.coin.teams.service.impl.InvitationFormValidator.java Source code

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Here is the source code for nl.surfnet.coin.teams.service.impl.InvitationFormValidator.java

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/*
 * Copyright 2011 SURFnet bv, The Netherlands
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package nl.surfnet.coin.teams.service.impl;

import org.hibernate.validator.constraints.impl.EmailValidator;
import org.springframework.util.StringUtils;
import org.springframework.validation.Errors;
import org.springframework.validation.Validator;

import nl.surfnet.coin.teams.domain.InvitationForm;

/**
 * Validates {@link InvitationForm}
 */
public class InvitationFormValidator implements Validator {

    private static final EmailValidator EMAIL_VALIDATOR = new EmailValidator();

    /**
     * {@inheritDoc}
     */
    @Override
    public boolean supports(Class<?> clazz) {
        return clazz.isAssignableFrom(InvitationForm.class);
    }

    /**
     * {@inheritDoc}
     * <p/>
     * Fails if both the input field for manual email address input is empty and there is no
     * csv file with content
     */
    @Override
    public void validate(Object target, Errors errors) {
        InvitationForm form = (InvitationForm) target;

        if (StringUtils.hasText(form.getEmails())) {
            String[] emails = form.getEmails().split(",");
            for (String email : emails) {
                if (!EMAIL_VALIDATOR.isValid(email.trim(), null)) {
                    errors.rejectValue("emails", "error.wrongFormattedEmailList");
                    break;
                }

            }
        }

        if (form.hasCsvFile() && form.getCsvFile().getSize() == 0) {
            errors.rejectValue("csvFile", "invite.errors.EmptyCSV");
        }

        if (!(StringUtils.hasText(form.getEmails())) && (!form.hasCsvFile())) {
            errors.rejectValue("emails", "invite.errors.NoEmailAddresses");
        }

    }
}