com.indoqa.solr.server.factory.EmbeddedSolrServerBuilder.java Source code

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/*
 * Licensed to the Indoqa Software Design und Beratung GmbH (Indoqa) under
 * one or more contributor license agreements. See the NOTICE file distributed
 * with this work for additional information regarding copyright ownership.
 * Indoqa 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.indoqa.solr.server.factory;

import static com.indoqa.solr.server.factory.EmbeddedSolrServerUrlHelper.getDataDir;
import static org.apache.solr.core.CoreDescriptor.CORE_DATADIR;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;

import org.apache.solr.client.solrj.SolrServer;
import org.apache.solr.client.solrj.embedded.EmbeddedSolrServer;
import org.apache.solr.core.ConfigSolr;
import org.apache.solr.core.CoreContainer;
import org.apache.solr.core.CoreDescriptor;
import org.apache.solr.core.SolrCore;
import org.apache.solr.core.SolrResourceLoader;

public final class EmbeddedSolrServerBuilder {

    private EmbeddedSolrServerBuilder() {
        // hide utility class constructor
    }

    public static SolrServer build(String url, String embeddedSolrConfigurationDir) throws IOException {
        String solrHome = getNormalizedPath(embeddedSolrConfigurationDir);

        InputStream solrXmlInputStream = EmbeddedSolrServerBuilder.class
                .getResourceAsStream("/embedded-core-container/solr.xml");

        SolrResourceLoader loader = new SolrResourceLoader(solrHome);
        ConfigSolr configSolr = ConfigSolr.fromInputStream(loader, solrXmlInputStream);

        solrXmlInputStream.close();

        CoreContainer container = new CoreContainer(loader, configSolr);
        container.load();

        String dataDir = getNormalizedPath(getDataDir(url));
        CoreDescriptor coreDescriptor = new CoreDescriptor(container, "Embedded Core", solrHome, CORE_DATADIR,
                dataDir);
        SolrCore core = container.create(coreDescriptor);

        return new EmbeddedSolrServer(container, core.getName());
    }

    public static File getCanonicalFile(File file) {
        if (file == null) {
            return null;
        }

        try {
            return file.getCanonicalFile();
        } catch (IOException e) {
            return file;
        }
    }

    private static String getNormalizedPath(String path) {
        File file = new File(path);
        file = getCanonicalFile(file);
        return file.getAbsolutePath();
    }
}