com.expressui.sample.view.user.UserQuery.java Source code

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Here is the source code for com.expressui.sample.view.user.UserQuery.java

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/*
 * Copyright (c) 2011 Brown Bag Consulting.
 * This file is part of the ExpressUI project.
 * Author: Juan Osuna
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License Version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
 * Brown Bag Consulting, Brown Bag Consulting DISCLAIMS THE WARRANTY OF
 * NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the ExpressUI software without
 * disclosing the source code of your own applications. These activities
 * include: offering paid services to customers as an ASP, providing
 * services from a web application, shipping ExpressUI with a closed
 * source product.
 *
 * For more information, please contact Brown Bag Consulting at this
 * address: juan@brownbagconsulting.com.
 */

package com.expressui.sample.view.user;

import com.expressui.core.dao.StructuredEntityQuery;
import com.expressui.sample.dao.UserDao;
import com.expressui.sample.entity.security.Role;
import com.expressui.sample.entity.security.User;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import javax.persistence.TypedQuery;
import javax.persistence.criteria.*;
import java.util.ArrayList;
import java.util.List;

@Component
@Scope("prototype")
@SuppressWarnings({ "rawtypes" })
public class UserQuery extends StructuredEntityQuery<User> {

    @Resource
    private UserDao userDao;

    private String loginName;
    private Role doesNotBelongToRole;

    public String getLoginName() {
        return loginName;
    }

    public void setLoginName(String loginName) {
        this.loginName = loginName;
    }

    public Role getDoesNotBelongToRole() {
        return doesNotBelongToRole;
    }

    public void setDoesNotBelongToRole(Role doesNotBelongToRole) {
        this.doesNotBelongToRole = doesNotBelongToRole;
    }

    @Override
    public List<User> execute() {
        return userDao.execute(this);
    }

    @Override
    public List<Predicate> buildCriteria(CriteriaBuilder builder, Root<User> rootEntity) {
        List<Predicate> criteria = new ArrayList<Predicate>();

        if (!isEmpty(loginName)) {
            ParameterExpression<String> p = builder.parameter(String.class, "loginName");
            criteria.add(builder.like(builder.upper(rootEntity.<String>get("loginName")), p));
        }

        if (!isEmpty(doesNotBelongToRole)) {
            ParameterExpression<Role> p = builder.parameter(Role.class, "doesNotBelongToRole");
            Join join = rootEntity.join("userRoles", JoinType.LEFT);
            criteria.add(builder.or(builder.notEqual(join.get("role"), p), builder.isNull(join.get("role"))));
        }

        return criteria;
    }

    @Override
    public void setParameters(TypedQuery typedQuery) {
        if (!isEmpty(loginName)) {
            typedQuery.setParameter("loginName", "%" + loginName.toUpperCase() + "%");
        }
        if (!isEmpty(doesNotBelongToRole)) {
            typedQuery.setParameter("doesNotBelongToRole", doesNotBelongToRole);
        }
    }

    @Override
    public void clear() {
        Role doesNotBelongToRole = this.doesNotBelongToRole;
        super.clear();
        this.doesNotBelongToRole = doesNotBelongToRole;
    }

    @Override
    public String toString() {
        return "UserQuery{" + "loginName='" + loginName + '\'' + '}';
    }
}