Pregunta (¿cómo) puedo descargar una imagen usando JSoup?


Ya sé dónde está la imagen, pero por simplicidad quería descargar la imagen usando JSoup. (Esto es para simplificar la obtención de cookies, referencias, etc.)

Esto es lo que tengo hasta ahora:

//Open a URL Stream
Response resultImageResponse = Jsoup.connect(imageLocation).cookies(cookies).ignoreContentType(true).execute();

// output here
OutputStreamWriter out = new OutputStreamWriter(new FileOutputStream(new java.io.File(outputFolder + name));
//BufferedWriter out = new BufferedWriter(new FileWriter(outputFolder + name));
out.write(resultImageResponse.body());          // resultImageResponse.body() is where the image's contents are.
out.close();

32
2017-09-17 19:04


origen


Respuestas:


Ni siquiera terminé de escribir la pregunta antes de encontrar la respuesta a través de JSoup y un poco de experimentación.

//Open a URL Stream
Response resultImageResponse = Jsoup.connect(imageLocation).cookies(cookies)
                                        .ignoreContentType(true).execute();

// output here
FileOutputStream out = (new FileOutputStream(new java.io.File(outputFolder + name)));
out.write(resultImageResponse.bodyAsBytes());  // resultImageResponse.body() is where the image's contents are.
out.close();

41
2017-09-17 19:05



Simplemente puedes usar estos métodos-

public static String storeImageIntoFS(String imageUrl, String fileName, String relativePath) {
    String imagePath = null;
    try {
        byte[] bytes = Jsoup.connect(imageUrl).ignoreContentType(true).execute().bodyAsBytes();
        ByteBuffer buffer = ByteBuffer.wrap(bytes);
        String rootTargetDirectory = IMAGE_HOME + "/"+relativePath;
        imagePath = rootTargetDirectory + "/"+fileName;
        saveByteBufferImage(buffer, rootTargetDirectory, fileName);
    } catch (IOException e) {
        e.printStackTrace();
    }
    return imagePath;
}

public static void saveByteBufferImage(ByteBuffer imageDataBytes, String rootTargetDirectory, String savedFileName) {
   String uploadInputFile = rootTargetDirectory + "/"+savedFileName;

   File rootTargetDir = new File(rootTargetDirectory);
   if (!rootTargetDir.exists()) {
       boolean created = rootTargetDir.mkdirs();
       if (!created) {
           System.out.println("Error while creating directory for location- "+rootTargetDirectory);
       }
   }
   String[] fileNameParts = savedFileName.split("\\.");
   String format = fileNameParts[fileNameParts.length-1];

   File file = new File(uploadInputFile);
   BufferedImage bufferedImage;

   InputStream in = new ByteArrayInputStream(imageDataBytes.array());
   try {
       bufferedImage = ImageIO.read(in);
       ImageIO.write(bufferedImage, format, file);
   } catch (IOException e) {
       e.printStackTrace();
   }

}


1
2017-08-08 11:43