Limitations and API Differences

Public API Differences

The following list (with sample code segments) shows some differences between Aspose.Slides for Java and Aspose.Slides for Node.js via Java APIs.

Importing library (Package Comparisons)

Aspose.Slides for Java

import com.aspose.slides.*;

Aspose.Slides for Node.js via Java

var aspose = aspose || {};
aspose.slides = require("aspose.slides.via.java");

Instantiating a new Presentation

Aspose.Slides for Java

Presentation pres = new Presentation();

Aspose.Slides for Node.js via Java

var pres = new aspose.slides.Presentation();

Streaming Files and Constants

Aspose.Slides for Java

InputStream inputstream = new FileInputStream("Pres1.pptx");
Presentation pres = new Presentation(inputstream);
pres.save("result.pptx", SaveFormat.Pptx);

Aspose.Slides for Node.js via Java

var aspose = aspose || {};

aspose.slides = require("aspose.slides.via.java");

var fs = require("fs");
var readStream = fs.createReadStream("presentation.pptx");
aspose.slides.Presentation.createPresentationFromStream(readStream, function(err, pres) {
   if (err) {
      console.log("open Presentation error");
      return;
   }
   pres.save("result.pptx", aspose.slides.SaveFormat.Pptx));
   console.log('saved to file');
});

Other Limitations of Aspose.Slides for Node.js via Java API compared to Aspose.Slides for Java API

1. Importing/exporting data from an Array, ArrayList, ResultSet etc. is not supported.
2. Printing is not supported.