Java tutorial
package com.temenos.interaction.commands.solr; /* * #%L * interaction-commands-solr * %% * Copyright (C) 2012 - 2013 Temenos Holdings N.V. * %% * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * 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 * GNU General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * #L% */ import javax.ws.rs.core.MultivaluedMap; import org.apache.solr.client.solrj.SolrQuery; import org.apache.solr.client.solrj.SolrServer; import org.apache.solr.client.solrj.SolrServerException; import org.apache.solr.client.solrj.response.QueryResponse; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import com.temenos.interaction.core.command.InteractionCommand; import com.temenos.interaction.core.command.InteractionContext; public class SelectCommand extends AbstractSolrCommand implements InteractionCommand { private final static Logger logger = LoggerFactory.getLogger(SelectCommand.class); @Autowired private SolrServer solrServer; public SelectCommand() { } public SelectCommand(SolrServer solrServer) { this.solrServer = solrServer; } public Result execute(InteractionContext ctx) { MultivaluedMap<String, String> queryParams = ctx.getQueryParameters(); String entityName = ctx.getCurrentState().getEntityName(); try { String queryStr = queryParams.getFirst("q"); SolrQuery query = new SolrQuery(); query.setQuery(queryStr); QueryResponse rsp = solrServer.query(query); ctx.setResource(buildCollectionResource(entityName, rsp.getResults())); return Result.SUCCESS; } catch (SolrServerException e) { logger.error("An unexpected error occurred while querying Solr", e); } return Result.FAILURE; } }