de.egore911.hexanalyzer.persistence.selector.PluginSelector.java Source code

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/*
 * Copyright 2016  Christoph Brill <egore911@gmail.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package de.egore911.hexanalyzer.persistence.selector;

import java.util.List;

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

import org.apache.commons.lang3.StringUtils;

import de.egore911.appframework.persistence.selector.AbstractResourceSelector;
import de.egore911.hexanalyzer.persistence.model.PluginEntity;
import de.egore911.hexanalyzer.persistence.model.PluginEntity_;
import de.egore911.hexanalyzer.ui.dto.Plugin.ExtensionPoint;

public class PluginSelector extends AbstractResourceSelector<PluginEntity> {

    private static final long serialVersionUID = -4769568193014458829L;

    private ExtensionPoint extensionPoint;
    private String search;

    @Nonnull
    @Override
    protected Class<PluginEntity> getEntityClass() {
        return PluginEntity.class;
    }

    @Nonnull
    @Override
    protected List<Predicate> generatePredicateList(@Nonnull CriteriaBuilder builder,
            @Nonnull Root<PluginEntity> from, @Nonnull CriteriaQuery<?> criteriaQuery) {
        List<Predicate> predicates = super.generatePredicateList(builder, from, criteriaQuery);

        if (extensionPoint != null) {
            builder.equal(from.get(PluginEntity_.extensionPoint), extensionPoint);
        }

        if (StringUtils.isNotEmpty(search)) {
            String likePattern = '%' + search + '%';
            predicates.add(builder.or(builder.like(from.get(PluginEntity_.qualifiedName), likePattern),
                    builder.like(from.get(PluginEntity_.source), likePattern)));
        }

        return predicates;
    }

    public PluginSelector withExtensionPoint(ExtensionPoint extensionPoint) {
        this.extensionPoint = extensionPoint;
        return this;
    }

    @Override
    public PluginSelector withSearch(String search) {
        this.search = search;
        return this;
    }

}