Access application properties the classic way

Application.java

package com.sbytestream.sample;

public class Application {
    public static void main(String[] args) {
        try {
            ApplicationProperties applicationProperties = new ApplicationProperties();
            System.out.println(applicationProperties.getSignatureFetchUrl());
        }
        catch(Exception e) {
            System.out.println(e.getMessage());
        }        
    }
}

application.properties

# File location: src/main/resources/
app.signature-fetch-url=http://localhost:8082/signatures

ApplicationProperties.java

package com.sbytestream.sample;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

public class ApplicationProperties {
    public ApplicationProperties() throws IOException {
        load();
    }

    private void load() throws IOException {
        Properties properties = new Properties();
        InputStream is = getClass().getClassLoader().getResourceAsStream(PROPERTIES_FILE);
        if (is != null) {
            properties.load(is);
        }
        else {
            throw new FileNotFoundException(PROPERTIES_FILE + " not found");
        }

        signatureFetchUrl = properties.getProperty("app.signature-fetch-url");
        is.close();
    }

    public String getSignatureFetchUrl() {
        return signatureFetchUrl;
    }

    private String signatureFetchUrl;
    private final String PROPERTIES_FILE = "application.properties";
}