java.byte파일 컨트롤

package step4;

import java.io.IOException;

// byte stream을 이용해 이미지 입출력
// FileInputStream < BufferedInputStream
// FileOutputStream < BufferedOuptupStream
public class TestImageService {
	public static void main(String[] args) {
		String copyImagePath = "C:\\4. kosta215\\iotest4\\iu.jpeg";
		String pasteImagePath = "C:\\4. kosta215\\iotest5\\복사본-iu.jpeg";
		ImageService service = new ImageService(copyImagePath,pasteImagePath);
		try {
			service.copyAndPasteImage();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
}

package step4;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

public class ImageService {
	private String copyImagePath;
	private String pasteImagePath;

	public ImageService(String copyImagePath, String pasteImagePath) {
		super();
		new File(pasteImagePath).getParentFile().mkdirs();
		this.copyImagePath = copyImagePath;
		this.pasteImagePath = pasteImagePath;
	}

	// 이밎 처리를 위해 ByteStream을 사용
	// 입력 노드스트림 : FileInputStream, 입력 프로세스스트림 : BufferedInputStream
	// 출력 노드스트림 : FileOutputStream, 출력 프로세스스트림 : BufferedOutputStream
	public void copyAndPasteImage() throws IOException {
		BufferedInputStream bis = null;
		BufferedOutputStream bos = null;
		try {
			bis = new BufferedInputStream(new FileInputStream(copyImagePath));
			bos = new BufferedOutputStream(new FileOutputStream(pasteImagePath));
			int data = bis.read();
			while (data != -1) {
				bos.write(data);
				data = bis.read();
			}

		} finally {
			if (bis != null) {
				bis.close();
			}
			if (bos != null) {
				bis.close();
			}
		}

	}

}