zbendhiba commented on code in PR #14928: URL: https://github.com/apache/camel/pull/14928#discussion_r1691257784
########## components/camel-ai/camel-langchain4j-web-search/src/main/java/org/apache/camel/component/langchain4j/web/search/LangChain4jWebSearchProducer.java: ########## @@ -0,0 +1,104 @@ +/* + * 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.langchain4j.web.search; + +import java.util.List; +import java.util.stream.Collectors; + +import dev.langchain4j.web.search.WebSearchEngine; +import dev.langchain4j.web.search.WebSearchOrganicResult; +import dev.langchain4j.web.search.WebSearchRequest; +import dev.langchain4j.web.search.WebSearchResults; +import org.apache.camel.Exchange; +import org.apache.camel.support.DefaultProducer; +import org.apache.camel.util.ObjectHelper; + +public class LangChain4jWebSearchProducer extends DefaultProducer { + + private WebSearchEngine webSearchEngine; + + public LangChain4jWebSearchProducer(LangChain4jWebSearchEndpoint endpoint) { + super(endpoint); + } + + @Override + public LangChain4jWebSearchEndpoint getEndpoint() { + return (LangChain4jWebSearchEndpoint) super.getEndpoint(); + } + + @Override + public void process(Exchange exchange) throws Exception { + // check if there's a custom WebSearchRequest -- advanced + WebSearchRequest webSearchRequest = getEndpoint().getConfiguration().getWebSearchRequest(); + + // build a Web Search Request + if (webSearchRequest == null) { + final String searchTerms = exchange.getMessage().getMandatoryBody(String.class); + webSearchRequest = WebSearchRequest.builder() + .searchTerms(searchTerms) + .maxResults(getEndpoint().getConfiguration().getMaxResults()) + .language(getEndpoint().getConfiguration().getLanguage()) + .geoLocation(getEndpoint().getConfiguration().getGeoLocation()) + .startPage(getEndpoint().getConfiguration().getStartPage()) + .startIndex(getEndpoint().getConfiguration().getStartIndex()) + .additionalParams(getEndpoint().getConfiguration().getAdditionalParams()) + .build(); + } + + // perform the request + WebSearchResults webSearchResults = webSearchEngine.search(webSearchRequest); + + // exrtact the list + List<WebSearchOrganicResult> resultList = webSearchResults.results(); + + // compute the response + computeResponse(resultList, exchange, webSearchRequest.maxResults()); + } + + @Override + protected void doStart() throws Exception { + super.doStart(); + this.webSearchEngine = getEndpoint().getConfiguration().getWebSearchEngine(); + ObjectHelper.notNull(webSearchEngine, "webSearchEngine"); + } + + /** + * Computes the response of the web search based on the configuration and input results. + * + * @param webSearchOrganicResults the list of WebSearchOrganicResult objects to process + * @param exchange the Apache Camel Exchange object + * @param maxResults maxResults + */ + private void computeResponse(List<WebSearchOrganicResult> webSearchOrganicResults, Exchange exchange, Integer maxResults) { + // return a single object as a response + if (maxResults == 1) { + switch (getEndpoint().getConfiguration().getResultType()) { + case LANGCHAIN4J_WEB_SEARCH_ORGNAIC_RESULT -> exchange.getIn().setBody(webSearchOrganicResults.get(0)); Review Comment: I improved that part. Let me know if that looks good to you -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@camel.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
