com.tripod.solr.util.EmbeddedSolrServerFactory.java Source code

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Here is the source code for com.tripod.solr.util.EmbeddedSolrServerFactory.java

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/*
 * 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 com.tripod.solr.util;

import org.apache.commons.io.FileUtils;
import org.apache.solr.client.solrj.SolrClient;
import org.apache.solr.client.solrj.SolrServerException;
import org.apache.solr.client.solrj.embedded.EmbeddedSolrServer;
import org.apache.solr.client.solrj.request.CoreAdminRequest;
import org.apache.solr.core.NodeConfig;
import org.apache.solr.core.SolrResourceLoader;

import java.io.File;
import java.io.IOException;
import java.nio.file.Path;
import java.nio.file.Paths;

/**
 * Factory for creating instances of EmbeddedSolrServer for testing.
 *
 * @author bbende
 */
public class EmbeddedSolrServerFactory {

    public static final String DEFAULT_SOLR_HOME = EmbeddedSolrServerFactory.class.getProtectionDomain()
            .getCodeSource().getLocation().getFile() + "/../solr";

    public static final String DEFAULT_CONFIGSET_DIR = "src/test/resources/configsets";

    /**
     * @param coreName the name of the core, must have a matching directory in configHome
     * @return an EmbeddedSolrServer with a core created for the given coreName
     */
    public static SolrClient create(final String coreName) throws IOException, SolrServerException {
        return create(DEFAULT_SOLR_HOME, DEFAULT_CONFIGSET_DIR, coreName, true);
    }

    /**
     * @param solrHome the Solr home directory to use
     * @param configSetHome the directory containing config sets
     * @param coreName the name of the core, must have a matching directory in configHome
     * @return an EmbeddedSolrServer with a core created for the given coreName
     */
    public static SolrClient create(final String solrHome, final String configSetHome, final String coreName)
            throws IOException, SolrServerException {
        return create(solrHome, configSetHome, coreName, true);
    }

    /**
     * @param solrHome the Solr home directory to use
     * @param configSetHome the directory containing config sets
     * @param coreName the name of the core, must have a matching directory in configHome
     * @param cleanSolrHome if true the directory for solrHome will be deleted and re-created if it already exists
     * @return an EmbeddedSolrServer with a core created for the given coreName
     */
    public static SolrClient create(final String solrHome, final String configSetHome, final String coreName,
            final boolean cleanSolrHome) throws IOException, SolrServerException {

        final File solrHomeDir = new File(solrHome);
        if (solrHomeDir.exists()) {
            FileUtils.deleteDirectory(solrHomeDir);
            solrHomeDir.mkdirs();
        } else {
            solrHomeDir.mkdirs();
        }

        final SolrResourceLoader loader = new SolrResourceLoader(solrHomeDir.toPath());
        final Path configSetPath = Paths.get(configSetHome).toAbsolutePath();

        final NodeConfig config = new NodeConfig.NodeConfigBuilder("embeddedSolrServerNode", loader)
                .setConfigSetBaseDirectory(configSetPath.toString()).build();

        final EmbeddedSolrServer embeddedSolrServer = new EmbeddedSolrServer(config, coreName);

        final CoreAdminRequest.Create createRequest = new CoreAdminRequest.Create();
        createRequest.setCoreName(coreName);
        createRequest.setConfigSet(coreName);
        embeddedSolrServer.request(createRequest);

        return embeddedSolrServer;
    }

}