countEntryOfZipFile

Author: HydrolienF

src/main/java/fr/formiko/utils/FLUFiles.java

@@ -77,7 +77,7 @@ public static boolean downloadAndUnzip(String url, String destination, String di
     }
     public static boolean downloadAndUnzip(String url, String destination) { return downloadAndUnzip(url, destination, ""); }
     public static String downloadAndRead(String url) { return readFileFromWeb(url); }
-    public static int countEntryOfZipFile(String url) { return -1; }
+    public static int countEntryOfZipFile(String url) { return internal.countEntryOfZipFile(url); }
     public static long getSize(String path) { return -1; }
 
     public static boolean setMaxPermission(String path, boolean recursive) { return false; }
@@ -414,6 +414,22 @@ private boolean downloadAndUnzip(String url, String destination, String director
             }
         }
 
+        private int countEntryOfZipFile(String url) {
+            if (isAValidePath(url)) {
+                try (ZipInputStream zis = new ZipInputStream(URI.create(url).toURL().openStream())) {
+                    int count = 0;
+                    while (zis.getNextEntry() != null) {
+                        count++;
+                    }
+                    return count;
+                } catch (IOException e) {
+                    return -1;
+                }
+            } else {
+                return -1;
+            }
+        }
+
 
         class FLUProgressionThread extends Thread {
             private File fileOut;

src/test/java/fr/formiko/utils/FLUFilesTest.java

@@ -361,6 +361,17 @@ private static Stream<Arguments> testDownloadAndUnzipSource() {
                 Arguments.of("https://unexisting.url", false, TEST_PATH_TEMPORARY + "unexisting.url", null, ""));
     }
 
+    @ParameterizedTest
+    @MethodSource("testCountEntryOfZipFileSource")
+    void testCountEntryOfZipFile(String url, int expectedCount) { assertEquals(expectedCount, FLUFiles.countEntryOfZipFile(url)); }
+
+    private static Stream<Arguments> testCountEntryOfZipFileSource() {
+        return Stream.of(Arguments.of("https://github.com/HydrolienF/Kokcinelo/releases/download/3.0.20/KokcineloLauncher.zip", 9),
+                Arguments.of("https://github.com/HydrolienF/Formiko/releases/download/2.29.23/Formiko2.29.23Linux.zip", 9),
+                Arguments.of("https://unexisting.url", -1));
+    }
+
+
     public static void main(String[] args) {
         // FLUFiles.setProgression(new FLUProgressionCLI());
         // FLUFiles.createFile(TEST_PATH_TEMPORARY + "/testCreateFiles1.txt");