Example showing how to read Stardog's audit log

PrintProtobufLogs.java

/*
 * Copyright (c) 2017 Stardog Union. <http://www.stardog.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.stardog.example;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;

import com.complexible.common.base.CloseableIterator;
import com.complexible.stardog.KernelEvent;
import com.complexible.stardog.logging.LogReader;
import com.complexible.stardog.logging.protobuf.ProtobufTextLogReader;

/**
 * @author Evren Sirin
 */
public class PrintProtobufLogs {
	public static void main(String[] args) throws Exception {
		File file = new File(args[0]);
		String format = args[1];
		LogReader reader = createLogReader(format);
		try (CloseableIterator<KernelEvent> events = reader.read(new BufferedInputStream(new FileInputStream(file)))) {
			while (events.hasNext()) {
				System.out.println(events.next());
			}
		}
	}

	private static LogReader createLogReader(String format) {
		switch (format.toLowerCase()) {
			case "text": return new ProtobufTextLogReader();
			case "binary": return new ProtobufTextLogReader();
			default: throw new UnsupportedOperationException("Unknown format: " + format);
		}
	}
}