gumga.framework.application.GumgaTempFileService.java Source code

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Here is the source code for gumga.framework.application.GumgaTempFileService.java

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package gumga.framework.application;

import gumga.framework.core.GumgaValues;
import gumga.framework.domain.domains.GumgaFile;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.Random;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class GumgaTempFileService {

    private static final Logger log = LoggerFactory.getLogger(GumgaTempFileService.class);

    @Autowired
    private GumgaValues gumgaValues;

    public String create(GumgaFile gumgaFile) {
        String tempFileName = "uploadData" + (System.currentTimeMillis() * 1000 + new Random().nextInt(1000));

        try { //TODO Arrumar o tratamento da Exception
            File folder = new File(gumgaValues.getUploadTempDir());
            folder.mkdirs();
            FileOutputStream fos = new FileOutputStream(gumgaValues.getUploadTempDir() + "/" + tempFileName);
            ObjectOutputStream oos = new ObjectOutputStream(fos);
            oos.writeObject(gumgaFile);
            oos.close();
            fos.close();
            return tempFileName;
        } catch (Exception ex) {
            log.error("erro ao criar arquivo temporario " + tempFileName, ex);
        }
        return "error";
    }

    public String delete(String fileName) {
        try { //TODO Arrumar o tratamento da Exception
            File file = new File(gumgaValues.getUploadTempDir() + "/" + fileName);
            file.delete();
            return "OK";
        } catch (Exception ex) {
            log.error("erro ao excluir arquivo temporario " + fileName, ex);
        }
        return "error";
    }

    public GumgaFile find(String tempFileName) {
        if (tempFileName == null || tempFileName.isEmpty()) {
            return null;
        }
        try { //TODO Melhorar o tratamento da Exception para FileNotFound
            FileInputStream fis = new FileInputStream(gumgaValues.getUploadTempDir() + "/" + tempFileName);
            ObjectInputStream ois = new ObjectInputStream(fis);
            GumgaFile gf = (GumgaFile) ois.readObject();
            ois.close();
            fis.close();
            return gf;
        } catch (Exception ex) {
            log.error("erro ao recuperar arquivo temporario " + tempFileName, ex);
        }
        return null;
    }

}