package org.example;

import java.io.File;
import java.util.List;

import org.riversun.bigdoc.bin.BigFileSearcher;

public class Example {

	public static void main(String[] args) throws Exception {

		byte[] searchBytes = "hello world.".getBytes("UTF-8");

		File file = new File("/var/tmp/yourBigfile.bin");

		BigFileSearcher searcher = new BigFileSearcher();

		List<Long> findList = searcher.searchBigFile(file, searchBytes);

		System.out.println("positions = " + findList);
	}
}

package org.riversun.bigdoc.bin;

import java.io.File;
import java.io.UnsupportedEncodingException;
import java.util.List;

import org.riversun.bigdoc.bin.BigFileSearcher.OnRealtimeResultListener;

public class Example {

  public static void main(String[] args) throws UnsupportedEncodingException, InterruptedException {
    byte[] searchBytes = "sometext".getBytes("UTF-8");
    
    File file = new File("path/to/file");

    final BigFileSearcher searcher = new BigFileSearcher();

    searcher.setUseOptimization(true);
    searcher.setSubBufferSize(256);
    searcher.setSubThreadSize(Runtime.getRuntime().availableProcessors());

    final SearchCondition sc = new SearchCondition();
    
    sc.srcFile = file;
    sc.startPosition = 0;
    sc.searchBytes = searchBytes;

    sc.onRealtimeResultListener = new OnRealtimeResultListener() {

      @Override
      public void onRealtimeResultListener(float progress, List<Long> pointerList) {
        System.out.println("progress:" + progress + " pointerList:" + pointerList);
      }
    };

    final Thread th = new Thread(new Runnable() {

      @Override
      public void run() {
        List<Long> searchBigFileRealtime = searcher.searchBigFile(sc);
      }
    });

    th.start();

    Thread.sleep(1500);

    searcher.cancel();

    th.join();

  }
}