com.appjma.appdeployer.adapter.DownloadLoader.java Source code

Introduction

Here is the source code for com.appjma.appdeployer.adapter.DownloadLoader.java

Source

/*
 * Copyright (C) 2013 Jacek Marchwicki <jacek.marchwicki@gmail.com>
 *
 * 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.appjma.appdeployer.adapter;

import java.util.Map;

import android.app.DownloadManager;
import android.content.Context;
import android.database.Cursor;
import android.support.v4.content.AsyncTaskLoader;

import com.google.common.collect.Maps;

public class DownloadLoader extends AsyncTaskLoader<Map<String, DownloadLoader.DownloadItem>> {

    public static class DownloadItem {

        public final String mId;
        public final int mStatus;

        public DownloadItem(String id, int status) {
            mId = id;
            mStatus = status;
        }
    }

    private DownloadManager mDownloadManager;

    public DownloadLoader(Context context) {
        super(context);
        mDownloadManager = (DownloadManager) context.getSystemService(Context.DOWNLOAD_SERVICE);
    }

    @Override
    public Map<String, DownloadLoader.DownloadItem> loadInBackground() {
        Map<String, DownloadLoader.DownloadItem> map = Maps.newHashMap();
        Cursor cursor = mDownloadManager.query(new DownloadManager.Query());
        int columnId = cursor.getColumnIndex(DownloadManager.COLUMN_ID);
        int columnStatus = cursor.getColumnIndex(DownloadManager.COLUMN_STATUS);
        try {
            for (cursor.moveToFirst(); !cursor.isAfterLast(); cursor.moveToNext()) {
                String id = cursor.getString(columnId);
                int status = cursor.getInt(columnStatus);
                map.put(id, new DownloadItem(id, status));
            }
        } finally {
            cursor.close();
        }
        return map;
    }

}