Rudimentary audio file processing.

framework/src/main/java/org/toop/framework/audio/AudioFilesManager.java

@@ -0,0 +1,55 @@
+package org.toop.framework.audio;
+
+import java.io.IOException;
+import java.io.InvalidObjectException;
+import java.nio.file.*;
+import java.util.HashSet;
+import java.util.Set;
+
+public class AudioFilesManager {
+
+    private Set<String> audioFiles;
+    private String audioDirectory;
+
+    public AudioFilesManager(String audioDirectory) throws NotDirectoryException {
+        if (!audioDirectory.endsWith("/") && !audioDirectory.endsWith("\\")) {
+            throw new NotDirectoryException(audioDirectory);
+        }
+        this.audioFiles = AudioFilesManager.getAllAudioFiles(audioDirectory);
+        this.audioDirectory = audioDirectory;
+    }
+
+    public Set<String> getAudioFiles() {
+        return this.audioFiles;
+    }
+
+    public String getAudioFile(String file) {
+        if (!audioFiles.contains(file)) {
+            return null;
+        }
+        return audioDirectory + file;
+    }
+
+    private static Set<String> getAllAudioFiles(String audioDirectory) {
+        Set<String> fileSet = new HashSet<>();
+        try (DirectoryStream<Path> stream = Files.newDirectoryStream(Paths.get(audioDirectory))) {
+            for (Path path : stream) {
+                if (!Files.isDirectory(path)) {
+                    String extension = "";
+
+                    int i = path.getFileName().toString().lastIndexOf('.');
+                    if (i > 0) {
+                        extension = path.getFileName().toString().substring(i+1);
+                    }
+                    if (extension.equalsIgnoreCase("wave") || extension.equalsIgnoreCase("wav")
+                    ||  extension.equalsIgnoreCase("mp3"))
+                        fileSet.add(path.getFileName()
+                            .toString());
+                }
+            }
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+        return fileSet;
+    }
+}

framework/src/main/java/org/toop/framework/audio/AudioPlayer.java

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+package org.toop.framework.audio;
+
+public class AudioPlayer {
+
+
+
+}