1.16 Implement ContentProvider getType() method

udacity · Aug 23, 2016 · a244b5a · tanmaymishra2 · Jan 4, 2020 · hanuz06
1 parent 81fe10a
commit a244b5a
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Showing 2 changed files with 26 additions and 5 deletions.
diff --git a/app/src/main/java/com/example/android/pets/data/PetContract.java b/app/src/main/java/com/example/android/pets/data/PetContract.java
@@ -16,6 +16,7 @@
 package com.example.android.pets.data;
 
 import android.net.Uri;
+import android.content.ContentResolver;
 import android.provider.BaseColumns;
 
 /**
@@ -58,6 +59,18 @@ public static final class PetEntry implements BaseColumns {
         /** The content URI to access the pet data in the provider */
         public static final Uri CONTENT_URI = Uri.withAppendedPath(BASE_CONTENT_URI, PATH_PETS);
 
+        /**
+         * The MIME type of the {@link #CONTENT_URI} for a list of pets.
+         */
+        public static final String CONTENT_LIST_TYPE =
+                ContentResolver.CURSOR_DIR_BASE_TYPE + "/" + CONTENT_AUTHORITY + "/" + PATH_PETS;
+
+        /**
+         * The MIME type of the {@link #CONTENT_URI} for a single pet.
+         */
+        public static final String CONTENT_ITEM_TYPE =
+                ContentResolver.CURSOR_ITEM_BASE_TYPE + "/" + CONTENT_AUTHORITY + "/" + PATH_PETS;
+
         /** Name of database table for pets */
         public final static String TABLE_NAME = "pets";
 

diff --git a/app/src/main/java/com/example/android/pets/data/PetProvider.java b/app/src/main/java/com/example/android/pets/data/PetProvider.java
@@ -119,11 +119,6 @@ public Cursor query(Uri uri, String[] projection, String selection, String[] sel
         return cursor;
     }
 
-    @Override
-    public String getType(Uri uri) {
-        return null;
-    }
-
     @Override
     public Uri insert(Uri uri, ContentValues contentValues) {
         final int match = sUriMatcher.match(uri);
@@ -261,4 +256,17 @@ public int delete(Uri uri, String selection, String[] selectionArgs) {
                 throw new IllegalArgumentException("Deletion is not supported for " + uri);
         }
     }
+
+    @Override
+    public String getType(Uri uri) {
+        final int match = sUriMatcher.match(uri);
+        switch (match) {
+            case PETS:
+                return PetEntry.CONTENT_LIST_TYPE;
+            case PET_ID:
+                return PetEntry.CONTENT_ITEM_TYPE;
+            default:
+                throw new IllegalStateException("Unknown URI " + uri + " with match " + match);
+        }
+    }
 }