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Make Searchable PDF From URL | Java | PDF Make Searchable API
Main.java:
J#
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 = "***********************************"; // Direct URL of source PDF file. // You can also upload your own file into PDF.co and use it as url. Check "Upload File" samples for code snippets: https://github.com/bytescout/pdf-co-api-samples/tree/master/File%20Upload/ final static String SourceFileUrl = "https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/pdf-make-searchable/sample.pdf"; // Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'. final static String Pages = ""; // PDF document password. Leave empty for unprotected documents. final static String Password = ""; // OCR language. "eng", "fra", "deu", "spa" supported currently. Let us know if you need more. final static String Language = "eng"; // Destination PDF file name final static Path DestinationFile = Paths.get(".\\result.pdf"); public static void main(String[] args) throws IOException { // Create HTTP client instance OkHttpClient webClient = new OkHttpClient(); // Prepare URL for `Make Searchable PDF` API call String query = "https://api.pdf.co/v1/pdf/makesearchable"; // Make correctly escaped (encoded) URL URL url = null; try { url = new URI(null, query, null).toURL(); } catch (URISyntaxException e) { e.printStackTrace(); } // Create JSON payload String jsonPayload = String.format("{\"name\": \"%s\", \"password\": \"%s\", \"pages\": \"%s\", \"lang\": \"%s\", \"url\": \"%s\"}", DestinationFile.getFileName(), Password, Pages, Language, SourceFileUrl); // Prepare request body RequestBody body = RequestBody.create(MediaType.parse("application/json"), jsonPayload); // Prepare request Request request = new Request.Builder() .url(url) .addHeader("x-api-key", API_KEY) // (!) Set API Key .addHeader("Content-Type", "application/json") .post(body) .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) { // Get URL of generated PDF file String resultFileUrl = json.get("url").getAsString(); // Download PDF file downloadFile(webClient, resultFileUrl, DestinationFile.toFile()); System.out.printf("Generated PDF file saved as \"%s\" file.", DestinationFile.toString()); } 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(); } }