FileConfigurationSourceProvider.java

package io.dropwizard.configuration;

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

/**
 * An implementation of {@link ConfigurationSourceProvider} that reads the configuration from the
 * local file system.
 */
public class FileConfigurationSourceProvider implements ConfigurationSourceProvider {
    @Override
    public InputStream open(String path) throws IOException {
        final File file = new File(path);
        if (!file.exists()) {
            throw new FileNotFoundException("File " + file + " not found");
        }

        return new FileInputStream(file);
    }
}