Load document from Amazon S3 Storage

Following code snippet shows how to convert a document from Amazon S3 Storage:

 package com.groupdocs.conversion.examples.advanced_usage.loading.loading_documents_from_different_sources;

import com.amazonaws.auth.AWSCredentials;
import com.amazonaws.auth.AWSStaticCredentialsProvider;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.regions.Regions;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3ClientBuilder;
import com.amazonaws.services.s3.model.S3Object;
import com.amazonaws.services.s3.model.S3ObjectInputStream;
import com.groupdocs.conversion.Converter;
import com.groupdocs.conversion.examples.Constants;

import java.io.File;
import java.io.InputStream;
import com.groupdocs.conversion.options.convert.PdfConvertOptions;

/**
* This example demonstrates how to download document from Amazon S3 storage and convert document.
*/
public class LoadDocumentFromAmazonS3 {

    public static void run()
    {
        String key = "sample.docx";
        String convertedFile = "C:\\output\\converted.pdf"; 
        Converter converter = new Converter(downloadFile(key));
        PdfConvertOptions options = new PdfConvertOptions();
        converter.convert(convertedFile, options);

        System.out.print("\nSource document converted successfully.\nCheck output in " + convertedFile);
    }

    public static InputStream downloadFile(String key)
    {
        AWSCredentials credentials = new BasicAWSCredentials(
                "<AWS accesskey>",
                "<AWS secretkey>"
        );
        AmazonS3 s3client = AmazonS3ClientBuilder.standard()
                .withCredentials(new AWSStaticCredentialsProvider(credentials))
                .withRegion(Regions.US_EAST_2)
                .build();
        String bucketName = "my-bucket";

        S3Object s3object = s3client.getObject(bucketName, key);
        S3ObjectInputStream inputStream = s3object.getObjectContent();
        return inputStream;
    }
}

More resources

GitHub Examples

You may easily run the code above and see the feature in action in our GitHub examples:

Free Online Document Converter Apps

Along with full-featured Java library we provide free Apps and free services for document conversion. In order to see a full potential of GroupDocs.Conversion, you are welcome to convert DOC to PDF, DOC to XLSX, PDF to DOC, PDF to XLSX, PPT to DOC and more with Free Online Document Converter App or get a full advantage of Free Online Document Converter Suite with advanced conversion settings and many more enterprise built-in features. Please note that more premium features, advanced options and enhanced document management experience is available for signed-in users at conholdate.app for FREE.
If you don’t own an account yet, register it now for free! No credit card is required!