com.opensearchserver.hadse.Hadse.java Source code

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Here is the source code for com.opensearchserver.hadse.Hadse.java

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/** Copyright 2014 OpenSearchServer, Inc.
 * http://www.opensearchserver.com
 *
 * Licensed 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.opensearchserver.hadse;

import java.io.File;
import java.io.IOException;
import java.net.URISyntaxException;

import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;

import org.apache.log4j.Logger;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.util.StringUtils;

import com.fasterxml.jackson.core.JsonGenerationException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.opensearchserver.hadse.cluster.ClusterCatalog;
import com.opensearchserver.hadse.index.IndexCatalog;
import com.opensearchserver.hadse.index.IndexItem;

@ComponentScan
@EnableAutoConfiguration
public class Hadse {

    public final static File data_dir;

    private final static String HADSE_DATA = "HADSE_DATA";

    public static final Logger LOG = Logger.getLogger(Hadse.class);

    static {
        String data = System.getProperty(HADSE_DATA);
        if (StringUtils.isEmpty(data))
            data = System.getenv(HADSE_DATA);
        if (StringUtils.isEmpty(data))
            throw new RuntimeException("HADSE_DATA variable not set.");
        File dataFile = new File(data);
        if (!dataFile.exists())
            throw new RuntimeException("Please create the directory (HADSE_DATA) " + dataFile.getAbsolutePath());
        if (!dataFile.isDirectory())
            throw new RuntimeException("The path (HADSE_DATA) is not a directory " + dataFile.getAbsolutePath());
        data_dir = dataFile;
    }

    private static int port = 8080;

    @PostConstruct
    void start() throws JsonGenerationException, JsonMappingException, URISyntaxException, IOException {
        ClusterCatalog.init(port);
        IndexCatalog.loadAll();
    }

    @PreDestroy
    void stop() {
        IndexItem.closeAll();
    }

    public static void main(String[] args) {
        if (args != null)
            for (String arg : args) {
                String s[] = StringUtils.split(arg, "=");
                if (s.length < 2)
                    continue;
                if ("--server.port".equals(s[0]))
                    port = Integer.parseInt(s[1]);
            }
        SpringApplication app = new SpringApplication(Hadse.class);
        app.setShowBanner(false);
        app.run(args);
    }
}