org.graylog.plugins.views.migrations.V20200204122000_MigrateUntypedViewsToDashboards.ViewState Maven / Gradle / Ivy

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Graylog

There is a newer version: 5.2.7

/**
 * This file is part of Graylog.
 *
 * Graylog 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.
 *
 * Graylog 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 Graylog.  If not, see .
 */
package org.graylog.plugins.views.migrations.V20200204122000_MigrateUntypedViewsToDashboards;

import org.bson.Document;

import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;

class ViewState {
    private static final String FIELD_WIDGET_MAPPING = "widget_mapping";
    private final Document viewStateDocument;

    ViewState(Document viewStateDocument) {
        this.viewStateDocument = viewStateDocument;
    }

    List widgets() {
        if (viewStateDocument.get("widgets") instanceof List) {
            @SuppressWarnings("unchecked") final Collection widgetList = viewStateDocument.get("widgets", Collection.class);
            return widgetList.stream()
                    .map(Widget::new)
                    .collect(Collectors.toList());
        }
        return Collections.emptyList();
    }

    Set searchTypeIdsForWidgetId(String widgetId) {
        final Document widgetMapping = viewStateDocument.get(FIELD_WIDGET_MAPPING, Document.class);
        if (widgetMapping == null) {
            return Collections.emptySet();
        }
        @SuppressWarnings("unchecked") final Collection rawWidgetsList = widgetMapping.get(widgetId, Collection.class);
        if (rawWidgetsList == null) {
            return Collections.emptySet();
        }
        return new HashSet<>(rawWidgetsList);
    }
}