| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.camel.component.elasticsearch.converter; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.Map; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import org.apache.camel.Converter; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.component.elasticsearch.ElasticsearchConstants; |
| import org.apache.camel.util.ObjectHelper; |
| import org.elasticsearch.action.admin.indices.delete.DeleteIndexRequest; |
| import org.elasticsearch.action.bulk.BulkRequest; |
| import org.elasticsearch.action.delete.DeleteRequest; |
| import org.elasticsearch.action.get.GetRequest; |
| import org.elasticsearch.action.index.IndexRequest; |
| import org.elasticsearch.action.search.SearchRequest; |
| import org.elasticsearch.action.update.UpdateRequest; |
| import org.elasticsearch.common.Strings; |
| import org.elasticsearch.common.xcontent.XContentBuilder; |
| import org.elasticsearch.common.xcontent.XContentFactory; |
| import org.elasticsearch.common.xcontent.XContentType; |
| import org.elasticsearch.index.query.QueryBuilders; |
| import org.elasticsearch.search.builder.SearchSourceBuilder; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| @Converter(generateLoader = true) |
| public final class ElasticsearchActionRequestConverter { |
| private static final Logger LOG = LoggerFactory.getLogger(ElasticsearchActionRequestConverter.class); |
| |
| private static final String ES_QUERY_DSL_PREFIX = "query"; |
| private static final String PARENT = "parent"; |
| |
| private ElasticsearchActionRequestConverter() { |
| } |
| |
| // Update requests |
| private static UpdateRequest createUpdateRequest(Object document, Exchange exchange) { |
| if (document instanceof UpdateRequest) { |
| return (UpdateRequest)document; |
| } |
| UpdateRequest updateRequest = new UpdateRequest(); |
| if (document instanceof byte[]) { |
| updateRequest.doc((byte[])document); |
| } else if (document instanceof Map) { |
| updateRequest.doc((Map<String, Object>)document); |
| } else if (document instanceof String) { |
| updateRequest.doc((String)document, XContentFactory.xContentType((String)document)); |
| } else if (document instanceof XContentBuilder) { |
| updateRequest.doc((XContentBuilder)document); |
| } else { |
| return null; |
| } |
| |
| return updateRequest.waitForActiveShards(exchange.getIn().getHeader(ElasticsearchConstants.PARAM_WAIT_FOR_ACTIVE_SHARDS, Integer.class)) |
| .index(exchange.getIn().getHeader(ElasticsearchConstants.PARAM_INDEX_NAME, String.class)) |
| .id(exchange.getIn().getHeader(ElasticsearchConstants.PARAM_INDEX_ID, String.class)); |
| } |
| |
| // Index requests |
| private static IndexRequest createIndexRequest(Object document, Exchange exchange) { |
| if (document instanceof IndexRequest) { |
| return (IndexRequest)document; |
| } |
| IndexRequest indexRequest = new IndexRequest(); |
| if (document instanceof byte[]) { |
| indexRequest.source((byte[])document, XContentFactory.xContentType((byte[])document)); |
| } else if (document instanceof Map) { |
| indexRequest.source((Map<String, Object>)document); |
| } else if (document instanceof String) { |
| indexRequest.source((String)document, XContentFactory.xContentType((String)document)); |
| } else if (document instanceof XContentBuilder) { |
| indexRequest.source((XContentBuilder)document); |
| } else { |
| return null; |
| } |
| |
| return indexRequest.waitForActiveShards(exchange.getIn().getHeader(ElasticsearchConstants.PARAM_WAIT_FOR_ACTIVE_SHARDS, Integer.class)) |
| .index(exchange.getIn().getHeader(ElasticsearchConstants.PARAM_INDEX_NAME, String.class)); |
| } |
| |
| @Converter |
| public static IndexRequest toIndexRequest(Object document, Exchange exchange) { |
| return createIndexRequest(document, exchange).id(exchange.getIn().getHeader(ElasticsearchConstants.PARAM_INDEX_ID, String.class)); |
| } |
| |
| @Converter |
| public static UpdateRequest toUpdateRequest(Object document, Exchange exchange) { |
| return createUpdateRequest(document, exchange).id(exchange.getIn().getHeader(ElasticsearchConstants.PARAM_INDEX_ID, String.class)); |
| } |
| |
| @Converter |
| public static GetRequest toGetRequest(Object document, Exchange exchange) { |
| if (document instanceof GetRequest) { |
| return (GetRequest)document; |
| } |
| if (document instanceof String) { |
| return new GetRequest(exchange.getIn().getHeader(ElasticsearchConstants.PARAM_INDEX_NAME, String.class)) |
| .id((String) document); |
| } |
| return null; |
| } |
| |
| @Converter |
| public static DeleteRequest toDeleteRequest(Object document, Exchange exchange) { |
| if (document instanceof DeleteRequest) { |
| return (DeleteRequest)document; |
| } |
| if (document instanceof String) { |
| return new DeleteRequest().index(exchange.getIn().getHeader(ElasticsearchConstants.PARAM_INDEX_NAME, String.class)) |
| .id((String)document); |
| } |
| return null; |
| } |
| |
| @Converter |
| public static DeleteIndexRequest toDeleteIndexRequest(Object document, Exchange exchange) { |
| if (document instanceof DeleteIndexRequest) { |
| return (DeleteIndexRequest)document; |
| } |
| if (document instanceof String) { |
| String index = exchange.getIn().getHeader(ElasticsearchConstants.PARAM_INDEX_NAME, String.class); |
| return new DeleteIndexRequest(index); |
| } |
| return null; |
| } |
| |
| @Converter |
| public static SearchRequest toSearchRequest(Object queryObject, Exchange exchange) throws IOException { |
| if (queryObject instanceof SearchRequest) { |
| return (SearchRequest)queryObject; |
| } |
| SearchRequest searchRequest = new SearchRequest(); |
| |
| // Only setup the indexName and indexType if the message header has the |
| // setting |
| String indexName = exchange.getIn().getHeader(ElasticsearchConstants.PARAM_INDEX_NAME, String.class); |
| if (ObjectHelper.isNotEmpty(indexName)) { |
| searchRequest.indices(indexName); |
| } |
| |
| SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder(); |
| String queryText = null; |
| |
| if (queryObject instanceof Map<?, ?>) { |
| Map<String, Object> mapQuery = (Map<String, Object>)queryObject; |
| // Remove 'query' prefix from the query object for backward |
| // compatibility |
| if (mapQuery.containsKey(ES_QUERY_DSL_PREFIX)) { |
| mapQuery = (Map<String, Object>)mapQuery.get(ES_QUERY_DSL_PREFIX); |
| } |
| try { |
| XContentBuilder contentBuilder = XContentFactory.contentBuilder(XContentType.JSON); |
| queryText = Strings.toString(contentBuilder.map(mapQuery)); |
| } catch (IOException e) { |
| LOG.error("Cannot build the QueryText from the map.", e); |
| } |
| } else if (queryObject instanceof String) { |
| queryText = (String)queryObject; |
| ObjectMapper mapper = new ObjectMapper(); |
| JsonNode jsonTextObject = mapper.readValue(queryText, JsonNode.class); |
| JsonNode parentJsonNode = jsonTextObject.get(ES_QUERY_DSL_PREFIX); |
| if (parentJsonNode != null) { |
| queryText = parentJsonNode.toString(); |
| } |
| } else { |
| // Cannot convert the queryObject into SearchRequest |
| LOG.info("Cannot convert queryObject into SearchRequest object"); |
| return null; |
| } |
| |
| searchSourceBuilder.query(QueryBuilders.wrapperQuery(queryText)); |
| searchRequest.source(searchSourceBuilder); |
| |
| return searchRequest; |
| } |
| |
| @Converter |
| public static BulkRequest toBulkRequest(Object documents, Exchange exchange) { |
| if (documents instanceof BulkRequest) { |
| return (BulkRequest)documents; |
| } |
| if (documents instanceof List) { |
| BulkRequest request = new BulkRequest(); |
| for (Object document : (List<Object>)documents) { |
| request.add(createIndexRequest(document, exchange)); |
| } |
| return request; |
| } |
| return null; |
| } |
| |
| } |