1 files changed, 0 insertions, 115 deletions
diff --git a/media/MediaBrowserService/Application/src/main/java/com/example/android/mediabrowserservice/utils/MediaIDHelper.java b/media/MediaBrowserService/Application/src/main/java/com/example/android/mediabrowserservice/utils/MediaIDHelper.java
deleted file mode 100644
index 604cf8ac..00000000
--- a/media/MediaBrowserService/Application/src/main/java/com/example/android/mediabrowserservice/utils/MediaIDHelper.java
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * Copyright (C) 2014 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.example.android.mediabrowserservice.utils;
-
-import java.util.Arrays;
-
-/**
- * Utility class to help on queue related tasks.
- */
-public class MediaIDHelper {
-
-    private static final String TAG = LogHelper.makeLogTag(MediaIDHelper.class);
-
-    // Media IDs used on browseable items of MediaBrowser
-    public static final String MEDIA_ID_ROOT = "__ROOT__";
-    public static final String MEDIA_ID_MUSICS_BY_GENRE = "__BY_GENRE__";
-    public static final String MEDIA_ID_MUSICS_BY_SEARCH = "__BY_SEARCH__";
-
-    private static final char CATEGORY_SEPARATOR = '/';
-    private static final char LEAF_SEPARATOR = '|';
-
-    public static String createMediaID(String musicID, String... categories) {
-        // MediaIDs are of the form <categoryType>/<categoryValue>|<musicUniqueId>, to make it easy
-        // to find the category (like genre) that a music was selected from, so we
-        // can correctly build the playing queue. This is specially useful when
-        // one music can appear in more than one list, like "by genre -> genre_1"
-        // and "by artist -> artist_1".
-        StringBuilder sb = new StringBuilder();
-        if (categories != null && categories.length > 0) {
-            sb.append(categories[0]);
-            for (int i=1; i < categories.length; i++) {
-                sb.append(CATEGORY_SEPARATOR).append(categories[i]);
-            }
-        }
-        if (musicID != null) {
-            sb.append(LEAF_SEPARATOR).append(musicID);
-        }
-        return sb.toString();
-    }
-
-    public static String createBrowseCategoryMediaID(String categoryType, String categoryValue) {
-        return categoryType + CATEGORY_SEPARATOR + categoryValue;
-    }
-
-    /**
-     * Extracts unique musicID from the mediaID. mediaID is, by this sample's convention, a
-     * concatenation of category (eg "by_genre"), categoryValue (eg "Classical") and unique
-     * musicID. This is necessary so we know where the user selected the music from, when the music
-     * exists in more than one music list, and thus we are able to correctly build the playing queue.
-     *
-     * @param mediaID that contains the musicID
-     * @return musicID
-     */
-    public static String extractMusicIDFromMediaID(String mediaID) {
-        int pos = mediaID.indexOf(LEAF_SEPARATOR);
-        if (pos >= 0) {
-            return mediaID.substring(pos+1);
-        }
-        return null;
-    }
-
-    /**
-     * Extracts category and categoryValue from the mediaID. mediaID is, by this sample's
-     * convention, a concatenation of category (eg "by_genre"), categoryValue (eg "Classical") and
-     * mediaID. This is necessary so we know where the user selected the music from, when the music
-     * exists in more than one music list, and thus we are able to correctly build the playing queue.
-     *
-     * @param mediaID that contains a category and categoryValue.
-     */
-    public static String[] getHierarchy(String mediaID) {
-        int pos = mediaID.indexOf(LEAF_SEPARATOR);
-        if (pos >= 0) {
-            mediaID = mediaID.substring(0, pos);
-        }
-        return mediaID.split(String.valueOf(CATEGORY_SEPARATOR));
-    }
-
-    public static String extractBrowseCategoryValueFromMediaID(String mediaID) {
-        String[] hierarchy = getHierarchy(mediaID);
-        if (hierarchy != null && hierarchy.length == 2) {
-            return hierarchy[1];
-        }
-        return null;
-    }
-
-    private static boolean isBrowseable(String mediaID) {
-        return mediaID.indexOf(LEAF_SEPARATOR) < 0;
-    }
-
-    public static String getParentMediaID(String mediaID) {
-        String[] hierarchy = getHierarchy(mediaID);
-        if (!isBrowseable(mediaID)) {
-            return createMediaID(null, hierarchy);
-        }
-        if (hierarchy == null || hierarchy.length <= 1) {
-            return MEDIA_ID_ROOT;
-        }
-        String[] parentHierarchy = Arrays.copyOf(hierarchy, hierarchy.length-1);
-        return createMediaID(null, parentHierarchy);
-    }
-}