added ability to add an entire folder to an in-memory template

jpasskit/src/main/java/de/brendamour/jpasskit/signing/PKPassTemplateFolder.java

@@ -48,7 +48,7 @@ public void provisionPassAtDirectory(File tempPassDir) throws IOException {
     @Override
     public Map<String, ByteBuffer> getAllFiles() throws IOException {
         Map<String, ByteBuffer> allFiles = new HashMap<>();
-        for (File file : new File(pathToTemplateDirectory).listFiles()) {
+        for (File file : FileUtils.listFiles(new File(pathToTemplateDirectory), null, true)) {
             byte[] byteArray = IOUtils.toByteArray(new FileInputStream(file));
             String filePath = file.getAbsolutePath().replace(pathToTemplateDirectory, "");
             allFiles.put(filePath, ByteBuffer.wrap(byteArray));

jpasskit/src/main/java/de/brendamour/jpasskit/signing/PKPassTemplateInMemory.java

@@ -22,6 +22,9 @@
 import java.io.InputStream;
 import java.net.URL;
 import java.nio.ByteBuffer;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Collection;
 import java.util.HashMap;
 import java.util.Locale;
 import java.util.Map;
@@ -102,6 +105,20 @@ public void addFile(String pathInTemplate, Locale locale, URL contentURL) throws
         addFile(pathForLocale(pathInTemplate, locale), contentURL.openStream());
     }
 
+    public void addAllFiles(String directoryWithFilesToAdd) throws IOException {
+        File directoryWithFilesToAddAsFile = new File(directoryWithFilesToAdd);
+        if (!directoryWithFilesToAddAsFile.isDirectory()) {
+            throw new IllegalArgumentException("Provided file is not a directory");
+        }
+
+        Path pathToSourceFolder = Paths.get(directoryWithFilesToAddAsFile.getAbsolutePath());
+        Collection<File> filesInDir = FileUtils.listFiles(directoryWithFilesToAddAsFile, null, true); 
+        for (File file : filesInDir) {
+                Path relativePathOfFile = pathToSourceFolder.relativize(Paths.get(file.getAbsolutePath()));
+                addFile(relativePathOfFile.toString(), file);
+        }
+    }
+
     public Map<String, InputStream> getFiles() {
         return files;
     }

jpasskit/src/test/java/de/brendamour/jpasskit/signing/PKPassTemplateFolderTest.java

@@ -56,7 +56,7 @@ public void provisionTest() throws IOException, URISyntaxException {
     public void test_getAllFiles() throws IOException, URISyntaxException {
         Map<String, ByteBuffer> allFiles = pkPassTemplateFolder.getAllFiles();
         Assert.assertNotNull(allFiles);
-        Assert.assertEquals(allFiles.size(), 6);
+        Assert.assertEquals(allFiles.size(), 8);
 
         File templateFolder = new File(PASS_TEMPLATE_FOLDER);
         for (Entry<String, ByteBuffer> entry : allFiles.entrySet()) {

jpasskit/src/test/java/de/brendamour/jpasskit/signing/PKPassTemplateInMemoryTest.java

@@ -40,6 +40,8 @@
 
 public class PKPassTemplateInMemoryTest {
 
+    private static final String PASS_TEMPLATE_FOLDER = PKPassTemplateFolderTest.class.getClassLoader().getResource("StoreCard.raw").getPath();
+
     private PKPassTemplateInMemory pkPassTemplateInMemory;
 
     @BeforeMethod
@@ -123,6 +125,14 @@ public void addFile_fromURL_withLocale() throws IOException {
         Assert.assertTrue(IOUtils.contentEquals(url.openStream(), files.get("en.lproj/" + PKPassTemplateInMemory.PK_ICON_RETINA)));
     }
 
+    @Test
+    public void addAllFiles() throws IOException {
+
+        pkPassTemplateInMemory.addAllFiles(PASS_TEMPLATE_FOLDER);
+        Map<String, InputStream> files = pkPassTemplateInMemory.getFiles();
+        Assert.assertEquals(files.size(), 8);
+    }
+
     @Test
     public void provisionPass() throws IOException {
 
@@ -135,11 +145,10 @@ public void provisionPass() throws IOException {
         Assert.assertEquals(createdFiles.size(), 2);
     }
 
-
     @Test
     public void test_getAllFiles() throws IOException, URISyntaxException {
         prepareTemplate();
-        
+
         Map<String, ByteBuffer> allFiles = pkPassTemplateInMemory.getAllFiles();
         Assert.assertNotNull(allFiles);
         Assert.assertEquals(allFiles.size(), 2);
@@ -148,7 +157,7 @@ public void test_getAllFiles() throws IOException, URISyntaxException {
             Assert.assertTrue(entry.getValue().remaining() > 0);
         }
     }
-    
+
     private void prepareTemplate() throws IOException {
         // icon
         URL iconFileURL = PKPassTemplateInMemoryTest.class.getClassLoader().getResource("StoreCard.raw/icon@2x.png");
@@ -158,5 +167,5 @@ private void prepareTemplate() throws IOException {
         // icon for language
         pkPassTemplateInMemory.addFile(PKPassTemplateInMemory.PK_ICON_RETINA, Locale.ENGLISH, iconFile);
     }
-    
+
 }