org.mashupmedia.validator.EditRemoteLibraryPageValidator.java Source code

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Here is the source code for org.mashupmedia.validator.EditRemoteLibraryPageValidator.java

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/*
 *  This file is part of MashupMedia.
 *
 *  MashupMedia is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  MashupMedia is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with MashupMedia.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.mashupmedia.validator;

import java.util.Collection;

import org.apache.commons.lang3.StringUtils;
import org.mashupmedia.model.Group;
import org.mashupmedia.service.LibraryManager;
import org.mashupmedia.web.page.EditRemoteLibraryPage;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.validation.Errors;
import org.springframework.validation.Validator;

@Component
public class EditRemoteLibraryPageValidator implements Validator {

    @Autowired
    private LibraryManager libraryManager;

    @Override
    public boolean supports(Class<?> clazz) {
        return clazz.isAssignableFrom(EditRemoteLibraryPage.class);
    }

    @Override
    public void validate(Object target, Errors errors) {
        EditRemoteLibraryPage editRemoteLibraryPage = (EditRemoteLibraryPage) target;
        String name = editRemoteLibraryPage.getName();

        if (StringUtils.isBlank(name)) {
            errors.rejectValue("name", "configuration.edit-remote-library.errors.empty.name");
        }

        String url = editRemoteLibraryPage.getUrl();
        if (StringUtils.isBlank(url)) {
            errors.rejectValue("url", "configuration.edit-remote-library.errors.empty.url");
        } else {

            if (editRemoteLibraryPage.getLibraryId() == 0 && libraryManager.hasRemoteLibrary(url)) {
                errors.rejectValue("url", "configuration.edit-remote-library.errors.existing.url");
            }
        }

        Collection<Group> groups = editRemoteLibraryPage.getGroups();
        if (groups == null || groups.isEmpty()) {
            errors.rejectValue("groups", "configuration.edit-remote-library.errors.empty.groups");
        }

    }

}