[Android] getParent util method for path string

[Geoffrey Métais]

vlc-ports/android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Mon May 11 14:54:35 2015 +0200| [be75a2f12c2c5fd90a9afaf6f8b3523d0543d9c9] | committer: Geoffrey Métais

getParent util method for path string

> http://git.videolan.org/gitweb.cgi/vlc-ports/android.git/?a=commit;h=be75a2f12c2c5fd90a9afaf6f8b3523d0543d9c9
---

 vlc-android/src/org/videolan/vlc/util/Strings.java |   16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/vlc-android/src/org/videolan/vlc/util/Strings.java b/vlc-android/src/org/videolan/vlc/util/Strings.java
index ccee272..dfaa1f1 100644
--- a/vlc-android/src/org/videolan/vlc/util/Strings.java
+++ b/vlc-android/src/org/videolan/vlc/util/Strings.java
@@ -20,6 +20,8 @@
 
 package org.videolan.vlc.util;
 
+import android.text.TextUtils;
+
 import org.videolan.vlc.MediaWrapper;
 
 import java.text.DecimalFormat;
@@ -138,4 +140,18 @@ public class Strings {
             title = getName(mediaWrapper.getLocation());
         return title;
     }
+
+    public static String getParent(String path){
+        if (TextUtils.equals("/", path))
+            return path;
+        String parentPath = path;
+        if (parentPath.endsWith("/"))
+            parentPath = parentPath.substring(0, parentPath.length()-1);
+        int index = parentPath.lastIndexOf('/');
+        if (index > 0){
+            parentPath = parentPath.substring(0, index);
+        } else if (index == 0)
+            parentPath = "/";
+        return parentPath;
+    }
 }