Vertx3.0 File Upload with Metadata

[Agraj Mangal]

Hi guys,

I'm trying to do a simple File Upload using Vertx 3.0. I've gone through the examples at [1] and [2] and essentially trying a combination of both, as the requirement is to upload the asset as well as send some metadata about the asset in the same request itself. That is, I would like to support the following HTML form

<form action="/form" ENCTYPE="multipart/form-data" method="POST" name="wibble">

    foo:<input type="text" name="foo"/><br>

    bar:<input type="text" name="bar"/><br>

    quux:<input type="text" name="quux"/><br>

    choose a file to upload:<input type="file" name="myfile"/><br>

    <input type="submit"/>

</form>

The complete code for my Verticle is at [3]

As you can see from [3] What I don't know is how to specify the request handlers in order to get both form attributes as well as the uploaded file in a single Request Handler.  

I also tried using Vertx-Web FileUpload by doing the following 

  router.post("/form").handler(BodyHandler.create().setMergeFormAttributes(true));

    router.post("/form")

      .handler(routingContext -> {

        Set<FileUpload> fileUploadSet = routingContext.fileUploads();

        Iterator<FileUpload> fileUploadIterator = fileUploadSet.iterator();

        while (fileUploadIterator.hasNext()){

          FileUpload fileUpload = fileUploadIterator.next();

          

          // How to get actual file from this fileupload ? 

        }

        

    });

But I dont know how to get the actual file from the FileUpload [4] object. I could get the filename, contentType but how to get the actual file that is being uploaded ?

I'm surely missing something really simple. Looking forward to advice :)

Regards,

Agraj

[1] - https://github.com/vert-x/vertx-examples/tree/master/src/raw/java/simpleform

[2] - https://github.com/vert-x/vertx-examples/tree/master/src/raw/java/simpleformupload

[3] - https://github.com/agrajm/vertx-fileupload/blob/master/src/main/java/com/examples/vertx/SimpleFormUploadServer.java

[4] - http://vertx.io/docs/apidocs/io/vertx/ext/web/FileUpload.html

[Tim Fox]

On 08/07/15 19:04, Agraj Mangal wrote:

Hi guys,

I'm trying to do a simple File Upload using Vertx 3.0. I've gone through the examples at [1] and [2] and essentially trying a combination of both, as the requirement is to upload the asset as well as send some metadata about the asset in the same request itself. That is, I would like to support the following HTML form

<form action="/form" ENCTYPE="multipart/form-data" method="POST" name="wibble">

    foo:<input type="text" name="foo"/><br>

    bar:<input type="text" name="bar"/><br>

    quux:<input type="text" name="quux"/><br>

    choose a file to upload:<input type="file" name="myfile"/><br>

    <input type="submit"/>

</form>

The complete code for my Verticle is at [3]

As you can see from [3] What I don't know is how to specify the request handlers in order to get both form attributes as well as the uploaded file in a single Request Handler.  

I also tried using Vertx-Web FileUpload by doing the following 

  router.post("/form").handler(BodyHandler.create().setMergeFormAttributes(true));

    router.post("/form")

      .handler(routingContext -> {

        Set<FileUpload> fileUploadSet = routingContext.fileUploads();

        Iterator<FileUpload> fileUploadIterator = fileUploadSet.iterator();

        while (fileUploadIterator.hasNext()){

          FileUpload fileUpload = fileUploadIterator.next();

          

          // How to get actual file from this fileupload ? 

        }

        

    });

But I dont know how to get the actual file from the FileUpload [4] object. I could get the filename, contentType but how to get the actual file that is being uploaded ?

I'm surely missing something really simple. Looking forward to advice :)

Please take a look at the test suite for examples of this :)

Regards,

Agraj

[1] - https://github.com/vert-x/vertx-examples/tree/master/src/raw/java/simpleform

[2] - https://github.com/vert-x/vertx-examples/tree/master/src/raw/java/simpleformupload

[3] - https://github.com/agrajm/vertx-fileupload/blob/master/src/main/java/com/examples/vertx/SimpleFormUploadServer.java

[4] - http://vertx.io/docs/apidocs/io/vertx/ext/web/FileUpload.html

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[Agraj Mangal]

Thanks Tim for pointing me in the right direction. For reference, the test case for FileUpload using Vertx-web could be found here - https://github.com/vert-x3/vertx-web/blob/master/src/test/java/io/vertx/ext/web/handler/BodyHandlerTest.java#L185