Version 14, October 2012

[GpsPrune.git] / tim / prune / function / PlayAudioFunction.java

diff --git a/tim/prune/function/PlayAudioFunction.java b/tim/prune/function/PlayAudioFunction.java
index 0e14d7c9ad1f9f6c9f4df9f761b7c466838b751d..2ac71e93b6e38bbbaab727aa1a6d7d421c4a117a 100644 (file)
--- a/tim/prune/function/PlayAudioFunction.java
+++ b/tim/prune/function/PlayAudioFunction.java
@@ -1,8 +1,12 @@
 package tim.prune.function;
 
+import java.io.BufferedOutputStream;
 import java.io.ByteArrayInputStream;
 import java.io.File;
+import java.io.FileOutputStream;
 import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+
 import javax.sound.sampled.AudioInputStream;
 import javax.sound.sampled.AudioSystem;
 import javax.sound.sampled.Clip;
@@ -58,39 +62,34 @@ public class PlayAudioFunction extends GenericFunction implements Runnable
                {
                        // First choice is to play using java
                        played = playClip(audio);
-                       // Second choice is to try the Desktop library from java 6, if available
+                       // If this didn't work, then try to play the file another way
                        if (!played) {
-                               try {
-                                       Class<?> d = Class.forName("java.awt.Desktop");
-                                       d.getDeclaredMethod("open", new Class[] {File.class}).invoke(
-                                               d.getDeclaredMethod("getDesktop").invoke(null), new Object[] {audioFile});
-                                       //above code mimics: Desktop.getDesktop().open(audioFile);
-                                       played = true;
-                               }
-                               catch (Exception ignore) {
-                                       played = false;
-                               }
+                               played = playAudioFile(audioFile);
                        }
-                       // If the Desktop call failed, need to try backup methods
+               }
+               else if (audioFile == null && audio.getByteData() != null)
+               {
+                       // Try to play audio clip using byte array
+                       played = playClip(audio);
+                       // If this didn't work, then need to copy the byte data to a file and play it from there
                        if (!played)
                        {
-                               // If system looks like a Mac, try open command
-                               String osName = System.getProperty("os.name").toLowerCase();
-                               boolean isMacOsx = osName.indexOf("mac os") >= 0 || osName.indexOf("darwin") >= 0;
-                               if (isMacOsx) {
-                                       String[] command = new String[] {"open", audioFile.getAbsolutePath()};
-                                       try {
-                                               Runtime.getRuntime().exec(command);
-                                               played = true;
-                                       }
-                                       catch (IOException ioe) {}
+                               try
+                               {
+                                       String suffix = getSuffix(audio.getName());
+                                       File tempFile = File.createTempFile("gpsaudio", suffix);
+                                       tempFile.deleteOnExit();
+                                       // Copy byte data to this file
+                                       BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(tempFile));
+                                       bos.write(audio.getByteData(), 0, audio.getByteData().length);
+                                       bos.close();
+                                       played = playAudioFile(tempFile);
+                               }
+                               catch (IOException ignore) {
+                                       System.err.println("Error: " + ignore.getClass().getName() + " - " + ignore.getMessage());
                                }
                        }
                }
-               else if (audioFile == null && audio.getByteData() != null) {
-                       // Try to play audio clip using byte array (can't use Desktop or Runtime)
-                       played = playClip(audio);
-               }
                if (!played)
                {
                        // If still not worked, show error message
@@ -134,6 +133,54 @@ public class PlayAudioFunction extends GenericFunction implements Runnable
                return success;
        }
 
+       /**
+        * Try to play the specified audio file
+        * @param inFile file to play
+        * @return true if play was successful
+        */
+       private boolean playAudioFile(File inFile)
+       {
+               boolean played = false;
+               // Try the Desktop library from java 6, if available
+               if (!played)
+               {
+                       try
+                       {
+                               Class<?> d = Class.forName("java.awt.Desktop");
+                               d.getDeclaredMethod("open", new Class[] {File.class}).invoke(
+                                       d.getDeclaredMethod("getDesktop").invoke(null), new Object[] {inFile});
+                               //above code mimics: Desktop.getDesktop().open(audioFile);
+                               played = true;
+                       }
+                       catch (InvocationTargetException e) {
+                               System.err.println("ITE: " + e.getCause().getClass().getName() + " - " + e.getCause().getMessage());
+                               played = false;
+                       }
+                       catch (Exception ignore) {
+                               System.err.println(ignore.getClass().getName() + " - " + ignore.getMessage());
+                               played = false;
+                       }
+               }
+
+               // If the Desktop call failed, need to try backup methods
+               if (!played)
+               {
+                       // If system looks like a Mac, try the open command
+                       String osName = System.getProperty("os.name").toLowerCase();
+                       boolean isMacOsx = osName.indexOf("mac os") >= 0 || osName.indexOf("darwin") >= 0;
+                       if (isMacOsx)
+                       {
+                               String[] command = new String[] {"open", inFile.getAbsolutePath()};
+                               try {
+                                       Runtime.getRuntime().exec(command);
+                                       played = true;
+                               }
+                               catch (IOException ioe) {}
+                       }
+               }
+               return played;
+       }
+
        /**
         * Try to stop a currently playing clip
         */
@@ -163,4 +210,16 @@ public class PlayAudioFunction extends GenericFunction implements Runnable
                }
                return percent;
        }
+
+       /**
+        * @param inName name of audio file
+        * @return suffix (rest of name after the dot) - expect mp3, wav, ogg
+        */
+       private static final String getSuffix(String inName)
+       {
+               if (inName == null || inName.equals("")) {return ".tmp";}
+               final int dotPos = inName.lastIndexOf('.');
+               if (dotPos < 0) {return inName;} // no dot found
+               return inName.substring(dotPos);
+       }
 }