Use "yyyy-MM-dd_HH-mm-ss.SSS" for saved file & directory names

YYYY-MM-DD_HH-MM-SS works except for one thing-- you can have multiple
images (or whatever) taken per second.  For that reason, I'm using:

"yyyy-MM-dd_HH-mm-ss.SSS"

So it's ISO8601 + 3 numeric digits ...which includes milliseconds.

Notice this should also fix a bug where identically-named files taken
within the same second were getting overwritten.

Author: fat-tire

src/main/java/org/havenapp/main/Utils.java

@@ -11,9 +11,9 @@
  * Class containing util functions which will be used multiple times throughout the app.
  */
 
-class Utils {
+public class Utils {
 
-    private static final String DATE_TIME_PATTERN = "yyyy-MM-dd_HH-mm-ss";
+    public static final String DATE_TIME_PATTERN = "yyyy-MM-dd_HH-mm-ss.SSS";
 
     static String getTimerText(long milliseconds) {
         String timerText;
@@ -41,7 +41,7 @@ static String getTimerText(long milliseconds) {
      * The default {@link Locale} is used.
      *
      * @param date concerned {@link Date} instance
-     * @return a string of the format "yyyy-MM-dd_HH:mm:ss" for the corresponding date
+     * @return a string of the format "yyyy-MM-dd_HH-mm-ss.SSS" for the corresponding date
      */
     public static String getDateTime(Date date) {
         return new SimpleDateFormat(DATE_TIME_PATTERN, Locale.getDefault()).format(date);

src/main/java/org/havenapp/main/sensors/media/AudioRecorderTask.java

@@ -15,9 +15,13 @@
 import android.os.Environment;
 import android.util.Log;
 
-import java.io.File;
-
 import org.havenapp.main.PreferenceManager;
+import org.havenapp.main.Utils;
+
+import java.io.File;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.Locale;
 
 public class AudioRecorderTask extends Thread {
 
@@ -69,7 +73,8 @@ protected AudioRecorderTask(Context context) {
 
         File fileFolder = new File(Environment.getExternalStorageDirectory().getPath(),prefs.getDefaultMediaStoragePath());
         fileFolder.mkdirs();
-        audioPath = new File(fileFolder,new java.util.Date().getTime() + ".m4a");
+        audioPath = new File(fileFolder,new SimpleDateFormat(Utils.DATE_TIME_PATTERN,
+				Locale.getDefault()).format(new Date()) + ".m4a");
 
     }
 

src/main/java/org/havenapp/main/sensors/motion/CameraViewHolder.java

@@ -30,16 +30,19 @@
 import com.google.android.cameraview.CameraView;
 
 import org.havenapp.main.PreferenceManager;
+import org.havenapp.main.Utils;
 import org.havenapp.main.model.EventTrigger;
 import org.havenapp.main.service.MonitorService;
 import org.jcodec.api.android.AndroidSequenceEncoder;
 
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
+import java.util.Locale;
 import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.ThreadPoolExecutor;
@@ -145,9 +148,10 @@ public CameraViewHolder(Activity context, CameraView cameraView) {
                         File fileImageDir = new File(Environment.getExternalStorageDirectory(), prefs.getDefaultMediaStoragePath());
                         fileImageDir.mkdirs();
 
-                        String ts = new Date().getTime() + ".jpg";
+                        String ts = new SimpleDateFormat(Utils.DATE_TIME_PATTERN,
+                                Locale.getDefault()).format(new Date());
 
-                        File fileImage = new File(fileImageDir, "detected.original." + ts);
+                        File fileImage = new File(fileImageDir, ts.concat(".detected.original.jpg"));
                         FileOutputStream stream = new FileOutputStream(fileImage);
                         rawBitmap.compress(Bitmap.CompressFormat.JPEG, 100, stream);
 
@@ -329,7 +333,8 @@ private synchronized boolean recordVideo() {
 
 	    if (doingVideoProcessing)
 	        return false;
-        String ts1 = String.valueOf(new Date().getTime());
+        String ts1 = new SimpleDateFormat(Utils.DATE_TIME_PATTERN,
+                Locale.getDefault()).format(new Date());
         File fileStoragePath = new File(Environment.getExternalStorageDirectory(),prefs.getDefaultMediaStoragePath());
         fileStoragePath.mkdirs();
 

src/main/java/org/havenapp/main/service/WebServer.java

@@ -6,6 +6,7 @@
 import android.util.Log;
 
 import org.havenapp.main.R;
+import org.havenapp.main.Utils;
 import org.havenapp.main.model.Event;
 import org.havenapp.main.model.EventTrigger;
 
@@ -14,8 +15,10 @@
 import java.io.IOException;
 import java.nio.charset.Charset;
 import java.security.MessageDigest;
+import java.text.SimpleDateFormat;
 import java.util.HashMap;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.UUID;
 
@@ -169,7 +172,8 @@ private void showEvent (Event event, StringBuffer page) {
         for (EventTrigger eventTrigger: triggers)
         {
             String title = eventTrigger.getStringType(mContext);
-            String desc = eventTrigger.getTriggerTime().toString();
+            String desc = new SimpleDateFormat(Utils.DATE_TIME_PATTERN,
+                    Locale.getDefault()).format(eventTrigger.getTriggerTime());
 
             page.append("<b>");
             page.append(title).append("</b><br/>");

src/main/java/org/havenapp/main/ui/EventActivity.java

@@ -16,11 +16,14 @@
 import android.view.View;
 
 import org.havenapp.main.R;
+import org.havenapp.main.Utils;
 import org.havenapp.main.model.Event;
 import org.havenapp.main.model.EventTrigger;
 
 import java.io.File;
+import java.text.SimpleDateFormat;
 import java.util.ArrayList;
+import java.util.Locale;
 
 public class EventActivity extends AppCompatActivity {
 
@@ -176,7 +179,9 @@ private String generateLog () {
 
         for (EventTrigger eventTrigger : mEvent.getEventTriggers()) {
 
-            mEventLog.append("Event Triggered @ ").append(eventTrigger.getTriggerTime().toString()).append("\n");
+            mEventLog.append("Event Triggered @ ").append(
+                     new SimpleDateFormat(Utils.DATE_TIME_PATTERN,
+                            Locale.getDefault()).format(eventTrigger.getTriggerTime())).append("\n");
 
             String sType = eventTrigger.getStringType(this);