org.graylog.plugins.views.search.LegacyDecoratorProcessor Maven / Gradle / Ivy

/*
 * Copyright (C) 2020 Graylog, Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the Server Side Public License, version 1,
 * as published by MongoDB, Inc.
 *
 * 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
 * Server Side Public License for more details.
 *
 * You should have received a copy of the Server Side Public License
 * along with this program. If not, see
 * .
 */
package org.graylog.plugins.views.search;

import org.graylog2.decorators.Decorator;
import org.graylog2.decorators.DecoratorProcessor;
import org.graylog2.plugin.decorators.SearchResponseDecorator;
import org.graylog2.rest.resources.search.responses.SearchResponse;

import javax.inject.Inject;
import java.util.Comparator;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

public class LegacyDecoratorProcessor {
    private final DecoratorProcessor decoratorProcessor;
    private final Map searchResponseDecorators;

    @Inject
    public LegacyDecoratorProcessor(DecoratorProcessor decoratorProcessor,
                                    Map searchResponseDecorators) {
        this.decoratorProcessor = decoratorProcessor;
        this.searchResponseDecorators = searchResponseDecorators;
    }

    public SearchResponse decorateSearchResponse(SearchResponse searchResponse, List decorators) {
        if (decorators.isEmpty()) {
            return searchResponse;
        }
        final List searchResponseDecorators = decorators
                .stream()
                .sorted(Comparator.comparing(Decorator::order))
                .map(decorator -> this.searchResponseDecorators.get(decorator.type()).create(decorator))
                .collect(Collectors.toList());
        return decoratorProcessor.decorate(searchResponse, searchResponseDecorators);
    }

    public static class Fake extends LegacyDecoratorProcessor {
        public Fake() {
            super(null, null);
        }

        @Override
        public SearchResponse decorateSearchResponse(SearchResponse searchResponse, List decorators) {
            return searchResponse;
        }
    }
}