com.level3.hiper.dyconn.network.device.Repository.java Source code

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Here is the source code for com.level3.hiper.dyconn.network.device.Repository.java

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package com.level3.hiper.dyconn.network.device;

import com.level3.hiper.dyconn.network.device.Info;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.LineIterator;

/**
 *
 * @author zendle.joe
 */
/*
** wrapper around devices.txt periodically refreshed
 */
public class Repository {

    private static Repository instance;

    public static Repository instance() {
        if (instance == null) {
            instance = new Repository();
        }
        return instance;
    }

    private Map<String, Info> deviceInfoMap = new HashMap<>();
    private String fileName;

    public synchronized void load(String fn) throws IOException {

        fileName = fn;
        // entry from devices.txt
        // OVTR IRNG4838I7001 10.248.253.155 2c 161 0v3rtur31sg

        LineIterator it = FileUtils.lineIterator(new File(fn), "UTF-8");
        deviceInfoMap.clear();
        try {
            while (it.hasNext()) {
                String line = it.nextLine();
                if ("".equals(line))
                    continue;
                if (line.startsWith("#"))
                    continue;
                String[] parts = line.split("\\s+");
                String name = parts[1];
                deviceInfoMap.put(name, new Info(parts[0], parts[1], parts[2], parts[3], parts[4]));

            }
        } finally {
            it.close();
        }

    }

    public void refresh() throws IOException {
        this.load(fileName);
    }

    public synchronized Info getByName(String name) {
        return deviceInfoMap.get(name);
    }

    public static void main(String[] args) throws IOException {
        String cfgName = "/dyconn-toml.cfg";
        com.level3.hiper.dyconn.config.Config.instance().initialize(cfgName);
        String devFile = com.level3.hiper.dyconn.config.Config.instance().getString("network.dev.deviceFile");

        Repository.instance().load(devFile);

        String dev = "AUSXTXIKW2001";
        System.out.println("device " + dev + ": " + Repository.instance().getByName(dev));

    }

}