/
Generator.java
executable file
·185 lines (134 loc) · 6.33 KB
/
Generator.java
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package com.audacious_software.passive_data_kit.generators;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.MatrixCursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import com.audacious_software.passive_data_kit.activities.generators.DataPointViewHolder;
import com.audacious_software.passive_data_kit.activities.generators.GeneratorViewHolder;
import com.audacious_software.pdk.passivedatakit.R;
import java.text.DateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
@SuppressWarnings("unused")
public abstract class Generator
{
public static final String PDK_METADATA = "passive-data-metadata";
public static final java.lang.String IDENTIFIER = "generator-id";
public static final String TIMESTAMP = "timestamp";
public static final String GENERATOR = "generator";
public static final String SOURCE = "source";
public static final String MEDIA_ATTACHMENT_KEY = "attachment";
public static final String MEDIA_CONTENT_TYPE_KEY = "attachment-type";
public static final String MEDIA_ATTACHMENT_GUID_KEY = "attachment-guid";
public static final String LATITUDE = "latitude";
public static final String LONGITUDE = "longitude";
private static final String TABLE_SQLITE_MASTER = "sqlite_master";
private static final String TABLE_METADATA = "metadata";
private static String TABLE_METADATA_LAST_UPDATED = "last_updated";
private static String TABLE_METADATA_KEY = "key";
private static String TABLE_METADATA_VALUE = "value";
protected Context mContext = null;
public Generator(Context context)
{
this.mContext = context.getApplicationContext();
}
public static void start(Context context) {
// Do nothing - override in subclasses...
}
public static void stop(Context context) {
// Do nothing - override in subclasses.
}
public static boolean isEnabled(Context context)
{
return false;
}
public static boolean isRunning(Context context)
{
return false;
}
public static long latestPointGenerated(Context context) {
return 0;
}
public static View fetchView(ViewGroup parent) {
return LayoutInflater.from(parent.getContext()).inflate(R.layout.card_generator_generic, parent, false);
}
public static void bindViewHolder(DataPointViewHolder holder) {
Class currentClass = new Object() { }.getClass().getEnclosingClass();
String identifier = currentClass.getCanonicalName();
TextView generatorLabel = (TextView) holder.itemView.findViewById(R.id.label_generator);
generatorLabel.setText(identifier);
}
public static View fetchDisclosureView(ViewGroup parent) {
return LayoutInflater.from(parent.getContext()).inflate(R.layout.row_generator_disclosure_generic, parent, false);
}
public static void bindDisclosureViewHolder(GeneratorViewHolder holder) {
Class currentClass = new Object() { }.getClass().getEnclosingClass();
String identifier = currentClass.getCanonicalName();
TextView generatorLabel = (TextView) holder.itemView.findViewById(R.id.label_generator);
generatorLabel.setText(identifier);
}
public static String formatTimestamp(Context context, double timestamp) {
timestamp *= 1000;
Calendar tsCalendar = Calendar.getInstance();
tsCalendar.setTimeInMillis((long) timestamp);
Calendar now = Calendar.getInstance();
Date tsDate = tsCalendar.getTime();
String time = android.text.format.DateFormat.getTimeFormat(context).format(tsDate);
if (tsCalendar.get(Calendar.DAY_OF_MONTH) == now.get(Calendar.DAY_OF_MONTH)) {
return time;
}
String date = android.text.format.DateFormat.getMediumDateFormat(context).format(tsDate);
return context.getString(R.string.format_full_timestamp_pdk, date, time);
}
public abstract List<Bundle> fetchPayloads();
public Cursor queryHistory(String[] cols, String where, String[] args, String orderBy) {
Cursor c = new MatrixCursor(cols);
return c;
}
protected int getDatabaseVersion(SQLiteDatabase db) {
String where = "type = ? AND name = ?";
String[] args = { "table", Generator.TABLE_METADATA };
Cursor c = db.query(Generator.TABLE_SQLITE_MASTER, null, where, args, null, null, null);
if (c.getCount() > 0) {
// Do nothing - table exists...
} else {
db.execSQL(this.mContext.getString(R.string.pdk_generator_create_version_table));
}
c.close();
String versionWhere = Generator.TABLE_METADATA_KEY + " = ?";
String[] versionArgs = { "version" };
c = db.query(Generator.TABLE_METADATA, null, versionWhere, versionArgs, null, null, Generator.TABLE_METADATA_LAST_UPDATED + " DESC");
int version = 0;
if (c.moveToNext()) {
version = Integer.parseInt(c.getString(c.getColumnIndex(Generator.TABLE_METADATA_VALUE)));
}
c.close();
return version;
}
protected void setDatabaseVersion(SQLiteDatabase db, int newVersion) {
boolean keyExists = false;
String versionWhere = Generator.TABLE_METADATA_KEY + " = ?";
String[] versionArgs = { "version" };
Cursor c = db.query(Generator.TABLE_METADATA, null, versionWhere, versionArgs, null, null, Generator.TABLE_METADATA_LAST_UPDATED + " DESC");
if (c.getCount() > 0) {
keyExists = true;
}
c.close();
ContentValues values = new ContentValues();
values.put(Generator.TABLE_METADATA_KEY, "version");
values.put(Generator.TABLE_METADATA_VALUE, "" + newVersion);
values.put(Generator.TABLE_METADATA_LAST_UPDATED, System.currentTimeMillis());
if (keyExists) {
db.update(Generator.TABLE_METADATA, values, versionWhere, versionArgs);
} else {
db.insert(Generator.TABLE_METADATA, null, values);
}
}
}