make searchPackage return a CompletableFuture

src/main/java/fr/packageviewer/distribution/ArchDistribution.java

@@ -71,29 +71,23 @@ public CompletableFuture<Pair<Package, Set<String>>> getPackageFromAPI(String pa
 
 }
 
-
 /**
  * Search for a package and return a list of packages
  * @param packageName the package name to search
  * @return
  */
-    public List<SearchedPackage> searchPackage(String packageName){
+    public CompletableFuture<List<SearchedPackage>> searchPackage(String packageName){
         HttpClient client = HttpClient.newHttpClient();
         HttpRequest request = HttpRequest.newBuilder()
                 .uri(URI.create("https://archlinux.org/packages/search/json/?q="+packageName))
                 .build();
 
-        HttpResponse<String> response;
+        CompletableFuture<List<SearchedPackage>> futureSearchedPackages = new CompletableFuture<>();
-        try{
-            response = client.send(request, HttpResponse.BodyHandlers.ofString());
-        }catch(IOException|InterruptedException e){
-            e.printStackTrace();
-            return null;
-        }
 
-        JSONObject json = new JSONObject(response.body());
+        client.sendAsync(request, HttpResponse.BodyHandlers.ofString()).thenAccept(result->{
 
             List<SearchedPackage> searchedPackagesList = new ArrayList<>();
+            JSONObject json = new JSONObject(result.body());
 
             // iterate for every package in the list
             for (Object searchResultObj : json.getJSONArray("results")) {
@@ -107,8 +101,16 @@ public CompletableFuture<Pair<Package, Set<String>>> getPackageFromAPI(String pa
                     searchResultJson.getString("pkgdesc")
                 ));
             }
+           futureSearchedPackages.complete(searchedPackagesList);
+        }).exceptionally(error->{
+            error.printStackTrace();
+            futureSearchedPackages.complete(Collections.emptyList());
+            return null;
+        });
 
-        return searchedPackagesList;
+
+
+        return futureSearchedPackages;
 
     }
 }

src/main/java/fr/packageviewer/distribution/Distribution.java

@@ -7,6 +7,6 @@ import java.util.List;
 import java.util.concurrent.CompletableFuture;
 
 public interface Distribution {
-	List<SearchedPackage> searchPackage(String packageName);
+	CompletableFuture<List<SearchedPackage>> searchPackage(String packageName);
 	CompletableFuture<Package> getPackageTree(String packageName, int depth);
 }

src/main/java/fr/packageviewer/distribution/FedoraDistribution.java

@@ -75,7 +75,7 @@ public class FedoraDistribution extends AsyncRequestsParser implements Distribut
     }
     
     @Override
-    public List<SearchedPackage> searchPackage(String packageName) {
+    public CompletableFuture<List<SearchedPackage>> searchPackage(String packageName) {
 
         HttpClient client = HttpClient.newHttpClient();
         HttpRequest request = HttpRequest.newBuilder()
@@ -84,15 +84,10 @@ public class FedoraDistribution extends AsyncRequestsParser implements Distribut
                                 + packageName + "*"))
                 .build();
 
-        HttpResponse<String> response;
+        CompletableFuture<List<SearchedPackage>> futureSearchedPackages = new CompletableFuture<>();
-        try {
-            response = client.send(request, HttpResponse.BodyHandlers.ofString());
-        } catch (IOException | InterruptedException e) {
-            e.printStackTrace();
-            return null;
-        }
 
-        JSONObject json = new JSONObject(response.body());
+        client.sendAsync(request, HttpResponse.BodyHandlers.ofString()).thenAccept(result->{
+            JSONObject json = new JSONObject(result.body());
 
             List<SearchedPackage> searchedPackagesList = new ArrayList<>();
 
@@ -107,6 +102,13 @@ public class FedoraDistribution extends AsyncRequestsParser implements Distribut
                         searchResultJson.getString("fullname"),
                         searchResultJson.getString("description")));
             }
-        return searchedPackagesList;
+            futureSearchedPackages.complete(searchedPackagesList);
+        }).exceptionally(error->{
+            error.printStackTrace();
+            futureSearchedPackages.complete(Collections.emptyList());
+            return null;
+        });
+
+        return futureSearchedPackages;
     }
 }

src/test/java/fr/packageviewer/ArchTest.java

@@ -67,14 +67,14 @@ public class ArchTest {
 	}
 
 	@Test
-	public void testThatBashSearchReturnsResults() {
+	public void testThatBashSearchReturnsResults() throws ExecutionException, InterruptedException {
 		Distribution arch = new ArchDistribution();
-		Assertions.assertNotEquals(arch.searchPackage("bash").size(), 0);
+		Assertions.assertNotEquals(arch.searchPackage("bash").get().size(), 0);
 	}
 	@Test
-	public void testThatBashSearchContainsBash() {
+	public void testThatBashSearchContainsBash() throws ExecutionException, InterruptedException {
 		Distribution arch = new ArchDistribution();
-		for(SearchedPackage pack : arch.searchPackage("bash")){
+		for(SearchedPackage pack : arch.searchPackage("bash").get()){
 			if(pack.getName().equals("bash")){
 				Assertions.assertTrue(true);
 				return;