org.graylog.plugins.views.search.export.LegacyChunkDecorator 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.export;
import com.google.common.collect.ImmutableMultimap;
import org.graylog.plugins.views.search.LegacyDecoratorProcessor;
import org.graylog2.plugin.indexer.searches.timeranges.TimeRange;
import org.graylog2.rest.models.messages.responses.ResultMessageSummary;
import org.graylog2.rest.resources.search.responses.SearchResponse;
import javax.inject.Inject;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.stream.Collectors;
public class LegacyChunkDecorator implements ChunkDecorator {
private final LegacyDecoratorProcessor decoratorProcessor;
@Inject
public LegacyChunkDecorator(LegacyDecoratorProcessor decoratorProcessor) {
this.decoratorProcessor = decoratorProcessor;
}
@Override
public SimpleMessageChunk decorate(SimpleMessageChunk undecoratedChunk, ExportMessagesCommand command) {
SearchResponse undecoratedLegacyResponse = legacySearchResponseFrom(undecoratedChunk, command);
SearchResponse decoratedLegacyResponse = decoratorProcessor.decorateSearchResponse(undecoratedLegacyResponse, command.decorators());
SimpleMessageChunk decoratedChunk = simpleMessageChunkFrom(decoratedLegacyResponse, undecoratedChunk.fieldsInOrder());
return decoratedChunk.toBuilder().chunkOrder(undecoratedChunk.chunkOrder()).build();
}
private SimpleMessageChunk simpleMessageChunkFrom(SearchResponse searchResponse, LinkedHashSet fieldsInOrder) {
LinkedHashSet messages = searchResponse.messages().stream()
.map(legacyMessage -> SimpleMessage.from(legacyMessage.index(), new LinkedHashMap<>(legacyMessage.message())))
.collect(Collectors.toCollection(LinkedHashSet::new));
// use fieldsInOrder from undecoratedChunk, because the order can get mixed up when decorators are applied
return SimpleMessageChunk.from(fieldsInOrder, messages);
}
private SearchResponse legacySearchResponseFrom(SimpleMessageChunk chunk, ExportMessagesCommand command) {
final List legacyMessages = legacyMessagesFrom(chunk);
String queryString = command.queryString().queryString();
TimeRange timeRange = command.timeRange();
return SearchResponse.create(
queryString,
queryString,
Collections.emptySet(),
legacyMessages,
chunk.fieldsInOrder(),
-1,
-1,
timeRange.getFrom(),
timeRange.getTo()
);
}
private List legacyMessagesFrom(SimpleMessageChunk chunk) {
return chunk.messages().stream()
.map(simpleMessage -> ResultMessageSummary.create(ImmutableMultimap.of(), simpleMessage.fields(), simpleMessage.index()))
.collect(Collectors.toList());
}
}