Android Open Source - Sunshine Weather Contract

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C) 2014 The Android Open Source Project
 */*from w  w w .  j  a  va2  s. co m*/
 * 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.mark.helloworld.app.data;

import android.content.ContentUris;
import android.net.Uri;
import android.provider.BaseColumns;

import java.text.SimpleDateFormat;

import java.util.Date;

/**
 * Defines table and column names for the weather database.
 */
public class WeatherContract {

    public static final String CONTENT_AUTHORITY = "com.example.mark.helloworld.app";

    public static final Uri BASE_CONTENT_URI = Uri.parse("content://" + CONTENT_AUTHORITY);

    // Possible paths (appended to base content URI for possible URI's)
    public static final String PATH_WEATHER = "weather";
    public static final String PATH_LOCATION = "location";



    /* Inner class that defines the table contents of the weather table */
    public static final class WeatherEntry implements BaseColumns {

        public static final Uri CONTENT_URI =
                BASE_CONTENT_URI.buildUpon().appendPath(PATH_WEATHER).build();
        public static final String CONTENT_TYPE =
                "vnd.android.cursor.dir/" + CONTENT_AUTHORITY + "/" +
                        PATH_WEATHER;
        public static final String CONTENT_ITEM_TYPE =
                "vnd.android.cursor.item/" + CONTENT_AUTHORITY + "/" +
                        PATH_WEATHER;

        public static final String TABLE_NAME = "weather";

        // Column with the foreign key into the location table.
        public static final String COLUMN_LOC_KEY = "location_id";
        // Date, stored as Text with format yyyy-MM-dd
        public static final String COLUMN_DATETEXT = "date";
        // Weather id as returned by API, to identify the icon to be used
        public static final String COLUMN_WEATHER_ID = "weather_id";

        // Short description and long description of the weather, as provided by API.
        // e.g "clear" vs "sky is clear".
        public static final String COLUMN_SHORT_DESC = "short_desc";

        // Min and max temperatures for the day (stored as floats)
        public static final String COLUMN_MIN_TEMP = "min";
        public static final String COLUMN_MAX_TEMP = "max";

        // Humidity is stored as a float representing percentage
        public static final String COLUMN_HUMIDITY = "humidity";

        // Humidity is stored as a float representing percentage
        public static final String COLUMN_PRESSURE = "pressure";

        // Windspeed is stored as a float representing windspeed  mph
        public static final String COLUMN_WIND_SPEED = "wind";

        // Degrees are meteorological degrees (e.g, 0 is north, 180 is south).  Stored as floats.
        public static final String COLUMN_DEGREES = "degrees";

        public static Uri buildWeatherUri(long _id) {
            return ContentUris.withAppendedId(CONTENT_URI, _id);
        }


        public static Uri buildWeatherLocation(String locationSetting) {
            return CONTENT_URI.buildUpon().appendPath(locationSetting).build();
        }

        public static Uri buildWeatherLocationWithStartDate(
                String locationSetting, String startDate) {
            return CONTENT_URI.buildUpon().appendPath(locationSetting)
                    .appendQueryParameter(COLUMN_DATETEXT, startDate).build();
        }

        public static Uri buildWeatherLocationWithDate(String locationSetting, String date) {
            return CONTENT_URI.buildUpon().appendPath(locationSetting).appendPath(date).build();
        }

        public static String getLocationSettingFromUri(Uri uri) {
            return uri.getPathSegments().get(1);
        }

        public static String getDateFromUri(Uri uri) {
            return uri.getPathSegments().get(2);
        }

        public static String getStartDateFromUri(Uri uri) {
            return uri.getQueryParameter(COLUMN_DATETEXT);
        }
    }

    /* Inner class that defines the table contents of the location table */
    public static final class LocationEntry implements BaseColumns {

        public static final Uri CONTENT_URI =
                BASE_CONTENT_URI.buildUpon().appendPath(PATH_LOCATION).build();

        public static final String CONTENT_TYPE =
                "vnd.android.cursor.dir/" + CONTENT_AUTHORITY + "/" +
                        PATH_LOCATION;
        public static final String CONTENT_ITEM_TYPE =
                "vnd.android.cursor.item/" + CONTENT_AUTHORITY + "/" +
                        PATH_LOCATION;

        // Table name
        public static final String TABLE_NAME = "location";

        // The location setting string is what will be sent to openweathermap
        // as the location query.
        public static final String COLUMN_LOCATION_SETTING = "location_setting";

        // Human readable location string, provided by the API.  Because for styling,
        // "Mountain View" is more recognizable than 94043.
        public static final String COLUMN_CITY_NAME = "city_name";

        // In order to uniquely pinpoint the location on the map when we launch the
        // map intent, we store the latitude and longitude as returned by openweathermap.
        public static final String COLUMN_COORD_LAT = "coord_lat";
        public static final String COLUMN_COORD_LONG = "coord_long";

        public static Uri buildLocationUri(long _id) {
            return ContentUris.withAppendedId(CONTENT_URI, _id);
        }
    }

    public static final String DATE_FORMAT = "yyyyMMdd";

    public static String getDbDateString(Date date) {
        SimpleDateFormat sdf = new SimpleDateFormat(DATE_FORMAT);
        return sdf.format(date);
    }
}

Java Source Code List

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