LogLoaderFactory.java

package glug.parser;

import glug.model.ThreadedSystem;
import glug.parser.logmessages.LogMessageParserRegistry;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.LineNumberReader;
import java.util.zip.GZIPInputStream;

public class LogLoaderFactory {
	public LogLoader createLoaderFor(File logFile, ThreadedSystem threadedSystem, LogMessageParserRegistry logMessageParserRegistry) {
		// System.out.println("Processing "+logFile);
		LineNumberReader reader;
		try {
			reader = new LineNumberReader(new InputStreamReader(streamForFile(logFile)),8192*2);
		} catch (IOException e) {
			e.printStackTrace();
			throw new RuntimeException(e);
		}
		
		LogLoader logLoader = new LogLoader(new LogParsingReader(reader,new LogLineParser(new LogCoordinateParser(threadedSystem),logMessageParserRegistry )));
		System.out.println("woo");
		return logLoader;
	}

	private InputStream streamForFile(File logFile) throws IOException, FileNotFoundException {
		FileInputStream uncompressedFileStream = new FileInputStream(logFile);
		if (logFile.getName().endsWith(".gz")) {
			return new GZIPInputStream(uncompressedFileStream);
		}
		return uncompressedFileStream;
	}
}