FilePropertyDataLoader.java

package com.tangoe.components;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.ScheduledExecutorService;

public class FilePropertyDataLoader implements PropertyDataLoader,Runnable {

	private volatile Map<String, String> props;
    private ScheduledExecutorService es;
    private String propertyFilePath;

 
    public FilePropertyDataLoader(String propertyFilePath) {
        this.propertyFilePath = propertyFilePath;
    }

    private void loadData() {
        try (BufferedReader reader = new BufferedReader(new FileReader(propertyFilePath))) {
            Properties properties = new Properties();
            properties.load(reader);
            Map<String, String> propMap = new HashMap<>();
            properties.forEach((prop, val) -> propMap.put((String) prop, (String) val));
            this.props = Collections.unmodifiableMap(propMap);
        } catch (IOException ex) {
            throw new RuntimeException("Unable to load properties from file", ex);
        }
    }

    @Override
    public void startLoading() {
    	loadData();
    }

    @Override
    public void stopLoading() {

    }

    @Override
    public Map<String, String> getProps() {
        return props;
    }

    @Override
    public void run() {

    }

}