Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * 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.
 */

public class Main {
    private static final char CATEGORY_SEPARATOR = '/';
    private static final char LEAF_SEPARATOR = '|';

    public static String extractBrowseCategoryValueFromMediaID(String mediaID) {
        String[] hierarchy = getHierarchy(mediaID);
        if (hierarchy != null && hierarchy.length == 2) {
            return hierarchy[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));
    }
}