com.gsr.myschool.server.repos.spec.UserSpec.java Source code

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/**
 * Copyright 2012 Nuvola Inc.
 *
 * 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 com.gsr.myschool.server.repos.spec;

import com.google.common.base.Strings;
import com.gsr.myschool.common.shared.type.Authority;
import com.gsr.myschool.server.business.User;
import org.springframework.data.jpa.domain.Specification;

import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;

public class UserSpec {
    public static Specification<User> firstnameLike(final String name) {
        return new Specification<User>() {
            @Override
            public Predicate toPredicate(Root<User> userRoot, CriteriaQuery<?> query, CriteriaBuilder cb) {
                String likePattern = Strings.isNullOrEmpty(name) ? "%" : "%" + name + "%";
                return cb.like(userRoot.<String>get("firstName"), likePattern);
            }
        };
    }

    public static Specification<User> lastnameLike(final String name) {
        return new Specification<User>() {
            @Override
            public Predicate toPredicate(Root<User> userRoot, CriteriaQuery<?> query, CriteriaBuilder cb) {
                String likePattern = Strings.isNullOrEmpty(name) ? "%" : "%" + name + "%";
                return cb.like(userRoot.<String>get("lastName"), likePattern);
            }
        };
    }

    public static Specification<User> emailLike(final String mail) {
        return new Specification<User>() {
            @Override
            public Predicate toPredicate(Root<User> userRoot, CriteriaQuery<?> query, CriteriaBuilder cb) {
                String likePattern = Strings.isNullOrEmpty(mail) ? "%" : "%" + mail + "%";
                return cb.like(userRoot.<String>get("email"), likePattern);
            }
        };
    }

    public static Specification<User> isVip() {
        return new Specification<User>() {
            @Override
            public Predicate toPredicate(Root<User> userRoot, CriteriaQuery<?> query, CriteriaBuilder cb) {
                return cb.equal(userRoot.<Authority>get("authority"), Authority.ROLE_USER_VIP);
            }
        };
    }
}