PDF.co Web API - PDF To Image API - Java - Convert PDF To JPEG From URL - ByteScout

PDF.co Web API – PDF To Image API – Java – Convert PDF To JPEG From URL

  • Home
  • /
  • Articles
  • /
  • PDF.co Web API – PDF To Image API – Java – Convert PDF To JPEG From URL

PDF.co Web API – PDF To Image API – Java – Convert PDF To JPEG From URL

Main.java

[java]
package com.company;

import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import okhttp3.*;

import java.io.*;
import java.net.*;
import java.nio.file.Paths;

public class Main
{
// The authentication key (API Key).
// Get your own by registering at https://app.pdf.co/documentation/api
final static String API_KEY = “***********************************”;

// Source PDF file
final static String SourceFileUrl = “https://s3-us-west-2.amazonaws.com/bytescout-com/files/demo-files/cloud-api/pdf-to-image/sample.pdf”;
// Comma-separated list of page numbers (or ranges) to process. Leave empty for all pages. Example: ‘1,3-5,7-‘.
final static String Pages = “1-2,3-“;
// PDF document password. Leave empty for unprotected documents.
final static String Password = “”;

public static void main(String[] args) throws IOException
{
// Create HTTP client instance
OkHttpClient webClient = new OkHttpClient();

// Prepare URL for `PDF To JPEG` API call
String query = String.format(
“https://api.pdf.co/v1/pdf/convert/to/jpg?password=%s&pages=%s&url=%s”,
Password,
Pages,
SourceFileUrl);

// Make correctly escaped (encoded) URL
URL url = null;
try
{
url = new URI(null, query, null).toURL();
}
catch (URISyntaxException e)
{
e.printStackTrace();
}

// Prepare request
Request request = new Request.Builder()
.url(url)
.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();

boolean error = json.get(“error”).getAsBoolean();
if (!error)
{
// Download generated JPEG files
JsonArray urls = json.get(“urls”).getAsJsonArray();

int page = 1;
for (JsonElement element: urls)
{
String resultFileUrl = element.getAsString();
String localFileName = String.format(“.\\page%s.jpeg”, page);

downloadFile(webClient, resultFileUrl, Paths.get(localFileName).toFile());

System.out.println(String.format(“Downloaded \”%s\”.”, localFileName));
page++;
}
}
else
{
// Display service reported error
System.out.println(json.get(“message”).getAsString());
}
}
else
{
// Display request error
System.out.println(response.code() + ” ” + response.message());
}
}

public static void downloadFile(OkHttpClient webClient, String url, File destinationFile) throws IOException
{
// Prepare request
Request request = new Request.Builder()
.url(url)
.build();
// Execute request
Response response = webClient.newCall(request).execute();

byte[] fileBytes = response.body().bytes();

// Save downloaded bytes to file
OutputStream output = new FileOutputStream(destinationFile);
output.write(fileBytes);
output.flush();
output.close();

response.close();
}
}

[/java]


  Click here to get your Free Trial version of the SDK

Tutorials:

prev
next