Delete source and result files from server

Author: jonas-jasas

src/com/convertapi/ConversionResult.java

@@ -65,4 +65,24 @@ public List<Path> saveFilesSync(Path directory) {
             }
         }).collect(Collectors.toList());
     }
+
+    @SuppressWarnings("WeakerAccess")
+    public List<CompletableFuture> delete() {
+        List<CompletableFuture> futures = new ArrayList<>();
+        for (int i = 0; i < response.Files.length; i++) {
+            futures.add(getFile(i).delete());
+        }
+        return futures;
+    }
+
+    @SuppressWarnings("WeakerAccess")
+    public void deleteSync() {
+        delete().forEach(d -> {
+            try {
+                d.get();
+            } catch (InterruptedException | ExecutionException e) {
+                throw new RuntimeException(e);
+            }
+        });
+    }
 }

src/com/convertapi/ConversionResultFile.java

@@ -48,4 +48,9 @@ public CompletableFuture<Path> saveFile(Path path) {
             }
         });
     }
+
+    @SuppressWarnings("WeakerAccess")
+    public CompletableFuture delete() {
+        return Http.requestDelete(getUrl());
+    }
 }

src/com/convertapi/Http.java

@@ -46,6 +46,18 @@ static CompletableFuture<InputStream> requestGet(String url) {
         });
     }
 
+    static CompletableFuture<Void> requestDelete(String url) {
+        return CompletableFuture.supplyAsync(() -> {
+            Request request = getRequestBuilder().delete().url(url).build();
+            try {
+                getClient().newCall(request).execute();
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+            return null;
+        });
+    }
+
     static Request.Builder getRequestBuilder() {
         return new Request.Builder()
                 .header("User-Agent", "convertapi-java");

src/com/convertapi/Param.java

@@ -18,6 +18,7 @@
 public class Param {
     private final String name;
     private CompletableFuture<List<String>> value;
+    private boolean isUploadedFile = false;
 
     @SuppressWarnings("unused")
     private Param(String name) {
@@ -53,6 +54,7 @@ public Param(String name, byte[] value, String fileFormat, Config config) {
         String fileName = "getFile." + fileFormat;
         String contentTypeString = MimetypesFileTypeMap.getDefaultFileTypeMap().getContentType(fileName);
         this.value = upload(value, fileName, MediaType.parse(contentTypeString), config);
+        isUploadedFile = true;
     }
 
     public Param(String name, Path value) throws IOException {
@@ -64,6 +66,7 @@ public Param(String name, Path value, Config config) throws IOException {
         this(name);
         String contentTypeString = MimetypesFileTypeMap.getDefaultFileTypeMap().getContentType(value.toFile());
         this.value = upload(Files.readAllBytes(value), value.getFileName().toString(), MediaType.parse(contentTypeString), config);
+        isUploadedFile = true;
     }
 
     @SuppressWarnings("unused")
@@ -94,6 +97,12 @@ public List<String> getValue() throws ExecutionException, InterruptedException {
         return this.value.get();
     }
 
+    public CompletableFuture<Void> delete() {
+        return isUploadedFile
+                ? value.thenCompose(urls -> Http.requestDelete(urls.get(0)))
+                : CompletableFuture.completedFuture(null);
+    }
+
     private static CompletableFuture<List<String>> upload(byte[] data, String fileName, MediaType fileContentType, Config config) {
         return CompletableFuture.supplyAsync(() -> {
             Request request = Http.getRequestBuilder()

src/com/convertapi/examples/Advanced.java

@@ -0,0 +1,46 @@
+package com.convertapi.examples;
+
+import java.io.IOException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeUnit;
+
+import com.convertapi.Config;
+import com.convertapi.ConversionResult;
+import com.convertapi.ConvertApi;
+import com.convertapi.Param;
+
+/**
+ * Example of HTTP client setup to use HTTP proxy server.
+ */
+
+public class Advanced {
+    public static void main(String[] args) throws IOException, ExecutionException, InterruptedException {
+        Config.setDefaultSecret("YOUR API SECRET");    //Get your secret at https://www.convertapi.com/a
+
+        // Advanced HTTP client setup
+        Config.setDefaultHttpBuilder(builder -> {
+            return builder
+                    .proxy(new Proxy(Proxy.Type.HTTP, new InetSocketAddress("10.0.0.1", 8888))) // Setting Proxy server
+                    .connectTimeout(3, TimeUnit.SECONDS);    // Setting connect timeout
+                    // More settings can be tuned here
+        });
+
+        // Conversion
+        Param fileParam = new Param("file", "https://cdn.convertapi.com/cara/testfiles/presentation.pptx");
+        System.out.println("Converting remote PPTX to PDF");
+        CompletableFuture<ConversionResult> result = ConvertApi.convert("pptx", "pdf", new Param[]{fileParam});
+        Path pdfFile = Paths.get(System.getProperty("java.io.tmpdir") + "/myfile.pdf");
+        result.get().saveFile(pdfFile).get();
+
+        // Leaving no files on convertapi.com server
+        System.out.println("Deleting source file from convertapi.com server");
+        fileParam.delete().get();
+        System.out.println("Deleting result files from convertapi.com server");
+        result.get().deleteSync();
+
+        System.out.println("PDF file saved to: " + pdfFile.toString());
+    }
+}