Java - Put Upload File
Upload Files sample in Put Upload File demonstrating ‘Java’
Main.java
package com.company;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import okhttp3.*;
import java.io.*;
import java.net.*;
import java.nio.file.Path;
import java.nio.file.Paths;
public class Main
{
// The authentication key (API Key).
// Get your own by registering at https://app.pdf.co
final static String API_KEY = "***********************************";
// Source PDF file
final static Path SourceFile = Paths.get(".\\sample.pdf");
public static void main(String[] args) throws IOException
{
String UploadedFileUrl = UploadFileAndGetUrl(SourceFile);
// Display request error
System.out.println("Uploaded File URL: " + UploadedFileUrl);
}
public static String UploadFileAndGetUrl(Path SourceFile){
String uploadedFileUrl = "";
// Create HTTP client instance
OkHttpClient webClient = new OkHttpClient();
// 1. RETRIEVE THE PRESIGNED URL TO UPLOAD THE FILE.
// * If you already have a direct file URL, skip to the step 3.
// Prepare URL for `Get Presigned URL` API call
String query = String.format(
"https://api.pdf.co/v1/file/upload/get-presigned-url?contenttype=application/octet-stream&name=%s",
SourceFile.getFileName());
// Prepare request
Request request = new Request.Builder()
.url(query)
.addHeader("x-api-key", API_KEY) // (!) Set API Key
.build();
// Execute request
Response response = webClient.newCall(request).execute();
if (response.code() == 200)
{
// Parse JSON response
JsonObject json = new JsonParser().parse(response.body().string()).getAsJsonObject();
String status = json.get("status").getAsString();
if (!status.equals("error"))
{
// Get URL to use for the file upload
String uploadUrl = json.get("presignedUrl").getAsString();
// Get URL of uploaded file to use with later API calls
uploadedFileUrl = json.get("url").getAsString();
// 2. UPLOAD THE FILE TO CLOUD.
if (!uploadFile(webClient, API_KEY, uploadUrl, SourceFile))
{
uploadedFileUrl = "";
}
}
}
return uploadedFileUrl;
}
public static boolean uploadFile(OkHttpClient webClient, String apiKey, String url, Path sourceFile) throws IOException
{
// Prepare request body
RequestBody body = RequestBody.create(MediaType.parse("application/octet-stream"), sourceFile.toFile());
// Prepare request
Request request = new Request.Builder()
.url(url)
.addHeader("x-api-key", apiKey) // (!) Set API Key
.addHeader("content-type", "application/octet-stream")
.put(body)
.build();
// Execute request
Response response = webClient.newCall(request).execute();
return (response.code() == 200);
}
}
PDF.co Web API: the Web API with a set of tools for documents manipulation, data conversion, data extraction, splitting and merging of documents. Includes image recognition, built-in OCR, barcode generation and barcode decoders to decode bar codes from scans, pictures and pdf.
Download Source Code (.zip)
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