net.anotheria.anosite.photoserver.api.upload.PhotoWorkbench Maven / Gradle / Ivy

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package net.anotheria.anosite.photoserver.api.upload;

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

import net.anotheria.anosite.photoserver.presentation.shared.PhotoUtil;
import net.anotheria.anosite.photoserver.shared.vo.TempPhotoVO;

public class PhotoWorkbench {

	private static final PhotoUploadAPIConfig uploadConfig = PhotoUploadAPIConfig.getInstance();

	private TempPhotoVO photo;
	private String id;
	private File[] workbenchFile = new File[4];

	public PhotoWorkbench(TempPhotoVO photo, String workbenchId) {
		id = workbenchId;
		this.photo = photo;
	}

	public String getId() {
		return id;
	}

	public TempPhotoVO getPhoto() {
		return photo;
	}

	public InputStream getWorkbenchImage(int rotation) throws FileNotFoundException, IOException {
		return new FileInputStream(getWorkbenchFile(rotation));
	}

	private File getWorkbenchFile(int rotation) throws IOException {
		if (workbenchFile[rotation] != null) {
			return workbenchFile[rotation];
		}

		workbenchFile[rotation] = new File(photo.getFile().getParentFile(), photo.getFile().getName() + "-" + rotation + ".jpg");

		if (rotation == 0) {
			PhotoUtil photoUtil = new PhotoUtil();
			photoUtil.read(photo.getFile());
			photoUtil.scale(uploadConfig.getWorkbenchWidth());
			photoUtil.write(uploadConfig.getJpegQuality(), workbenchFile[rotation]);
		} else {
			File prevRotatedFile = getWorkbenchFile(rotation - 1);
			PhotoUtil photoUtil = new PhotoUtil();
			photoUtil.read(prevRotatedFile);
			photoUtil.rotate();
			photoUtil.write(uploadConfig.getJpegQuality(), workbenchFile[rotation]);
		}

		return workbenchFile[rotation];
	}

}