Java tutorial
package org.bensteele.jirrigate; import java.io.IOException; import java.io.PrintWriter; import java.util.Set; import java.util.TreeSet; import jline.console.ConsoleReader; import jline.console.completer.Completer; import jline.console.completer.StringsCompleter; import org.apache.commons.lang.ArrayUtils; import org.bensteele.jirrigate.controller.Controller; import org.bensteele.jirrigate.controller.IrrigationResult; import org.bensteele.jirrigate.controller.zone.Zone; import org.bensteele.jirrigate.weather.WeatherStation; import org.joda.time.format.DateTimeFormat; import org.joda.time.format.DateTimeFormatter; /** * A simple class to provide an interactive console/shell to jirrigate using jline2. * * @author Ben Steele (ben@bensteele.org) */ public class Console { private final Irrigator irrigator; private final Set<String> commands = new TreeSet<String>(); private final ConsoleReader reader; private Completer completer = new StringsCompleter(); public Console(Irrigator irrigator) throws IOException { this.irrigator = irrigator; this.reader = new ConsoleReader(); } private void activateController(String input) { for (Controller c : irrigator.getControllers()) { if (input.toLowerCase().contains(c.getName().toLowerCase())) { System.out.print("Activating " + c.getName() + ": "); c.setActive(true); System.out.println("OK"); } } } private void activateWeatherStation(String input) { for (WeatherStation ws : irrigator.getWeatherStations()) { if (input.toLowerCase().contains(ws.getName().toLowerCase())) { System.out.print("Activating " + ws.getName() + ": "); ws.setActive(true); System.out.println("OK"); } } } private void deactivateController(String input) { for (Controller c : irrigator.getControllers()) { if (input.toLowerCase().contains(c.getName().toLowerCase())) { System.out.print("Deactivating " + c.getName() + ": "); c.setActive(false); System.out.println("OK"); } } } private void deactivateWeatherStation(String input) { for (WeatherStation ws : irrigator.getWeatherStations()) { if (input.toLowerCase().contains(ws.getName().toLowerCase())) { System.out.print("Deactivating " + ws.getName() + ": "); ws.setActive(false); System.out.println("OK"); } } } private void printControllerInfo(String input) { System.out.format("%-25s%-20s%-20s%-10s%-15s%-15s%-10s\n", "Controller", "Type", "IP", "Port", "Username", "Password", "# Zones"); for (Controller c : irrigator.getControllers()) { if (input.toLowerCase().contains(c.getName().toLowerCase())) { System.out.format("%-25s%-20s%-20s%-10s%-15s%-15s%-10s\n", c.getName(), c.getControllerType(), c.getIpAddress().getHostAddress(), c.getPort(), c.getUsername(), c.getPassword(), c.getZones().size()); } } } private void printControllerInfoAll(String input) { System.out.format("%-25s%-20s%-20s%-10s%-15s%-15s%-10s\n", "Controller", "Type", "IP", "Port", "Username", "Password", "# Zones"); for (Controller c : irrigator.getControllers()) { System.out.format("%-25s%-20s%-20s%-10s%-15s%-15s%-10s\n", c.getName(), c.getControllerType(), c.getIpAddress().getHostAddress(), c.getPort(), c.getUsername(), c.getPassword(), c.getZones().size()); } } private void printControllerStatus(String input) { DateTimeFormatter statusFormatter = DateTimeFormat.forPattern("dd/MM/yyyy HH:mm"); System.out.format("%-25s%-20s%-25s%-10s%-15s%-28s\n", "Controller", "Status", "Currently Irrigating", "Active", "# Irrigations", "Next Irrigation Due"); for (Controller c : irrigator.getControllers()) { if (input.toLowerCase().contains(c.getName().toLowerCase())) { System.out.format("%-25s%-20s%-25s%-10s%-15s%-28s\n", c.getName(), c.getStatus(), c.isIrrigating(), c.isActive(), c.getIrrigationResults().size(), statusFormatter.print(irrigator.nextIrrigationAt())); } } } private void printControllerStatusAll(String input) { DateTimeFormatter statusFormatter = DateTimeFormat.forPattern("dd/MM/yyyy HH:mm"); System.out.format("%-25s%-20s%-25s%-10s%-15s%-28s\n", "Controller", "Status", "Currently Irrigating", "Active", "# Irrigations", "Next Irrigation Due"); for (Controller c : irrigator.getControllers()) { System.out.format("%-25s%-20s%-25s%-10s%-15s%-28s\n", c.getName(), c.getStatus(), c.isIrrigating(), c.isActive(), c.getIrrigationResults().size(), statusFormatter.print(irrigator.nextIrrigationAt())); } } private void printControllerZones(String input) { for (Controller c : irrigator.getControllers()) { if (input.toLowerCase().contains(c.getName().toLowerCase())) { System.out.format("%-30s%-6s%-6s\n", "Name", "Id", "Duration"); for (Zone z : c.getZones()) { String durationAmount = ""; if (z.getDuration() < 60) { durationAmount = z.getDuration() + "s"; } else { durationAmount = (z.getDuration() / 60) + "m"; } System.out.format("%-30s%-6s%-6s\n", z.getName(), z.getId(), durationAmount); } } } } private void printHelpMenu() { System.out.println("Available commands are:\n"); for (String command : commands) { System.out.println(command); } } private void printIrrigationResults(String input) { for (Controller c : irrigator.getControllers()) { if (input.toLowerCase().contains(c.getName().toLowerCase())) { String[] amountString = input.split("results last "); int duration = Integer.parseInt(amountString[1]); IrrigationResult[] results = (IrrigationResult[]) c.getIrrigationResults().toArray(); ArrayUtils.reverse(results); for (int i = 0; i < duration; i++) { // Don't let the array go out of bounds. if (i == results.length) { break; } System.out.println("\n" + results[i]); } } } } private void printVersion() { System.out.println("v" + irrigator.getVersion() + " by Ben Steele.\n"); } private void printWeatherStationInfo(String input) { DateTimeFormatter formatter = DateTimeFormat.forPattern("dd/MM/yyyy HH:mm"); System.out.format("%-25s%-15s%-10s%-12s%-20s%-20s\n", "Station", "Type", "Active", "# Records", "Oldest Record", "Newest Record"); for (WeatherStation ws : irrigator.getWeatherStations()) { if (input.toLowerCase().contains(ws.getName().toLowerCase())) { System.out.format("%-25s%-15s%-10s%-12s%-20s%-20s\n", ws.getName(), ws.getType(), ws.isActive(), ws.getNumberOfRecords(), formatter.print(ws.getOldestRecordTime()), formatter.print(ws.getNewestRecordTime())); } } } private void printWeatherMultiplier(String input) { System.out.println("Multiplier Value: " + irrigator.getWeatherMultiplierValue()); System.out.println("Multiplier Max Temp: " + irrigator.getWeatherMultiplierMaxTemp() + "C"); System.out.println("Multiplier Days To Look Ahead: " + irrigator.getWeatherMultiplierDaysToLookAhead()); System.out.println("Currently Triggered?: " + ((irrigator.getWeatherMultiplier() != 1.0) ? true : false)); } private void printWeatherStationStatus(String input) { for (WeatherStation ws : irrigator.getWeatherStations()) { if (input.toLowerCase().contains(ws.getName().toLowerCase())) { System.out.println("Station: " + ws.getName()); System.out.println("Record: " + ws.getStatus()); System.out.println("Current Temp (C): " + ws.getCurrentTemperatureCelcius()); System.out.println("Today's Max Temp (C): " + ws.getTodaysMaxTemperatureCelcius()); System.out.println("Today's Min Temp (C): " + ws.getTodaysMinTemperatureCelcius()); System.out.println("Current Temp (F): " + ws.getCurrentTemperatureFahrenheit()); System.out.println("Today's Max Temp (F): " + ws.getTodaysMaxTemperatureFahrenheit()); System.out.println("Today's Min Temp (F): " + ws.getTodaysMinTemperatureFahrenheit()); System.out.println("Avg 7-day Temp (C): " + ws.getLastXDaysAvgTemperatureCelcius(7)); System.out.println("Avg 7-day Temp (F): " + ws.getLastXDaysAvgTemperatureFahrenheit(7)); System.out.println("Today's Rainfall (mm): " + ws.getTodaysRainfallMilliLitres()); System.out.println("Today's Rainfall (in): " + ws.getTodaysRainfallInches()); System.out.println("Last 7-day Rainfall (mm): " + ws.getLastXDaysRainfallMilliLitres(7)); System.out.println("Last 7-day Rainfall (in): " + ws.getLastXDaysRainfallInches(7)); System.out.println("Humidity (%): " + ws.getCurrentRelativeHumidityPercentage()); System.out.println("Current Wind (kph): " + ws.getCurrentWindspeedKiloMetresPerHour()); System.out.println("Current Wind (mph): " + ws.getCurrentWindspeedMilesPerHour()); System.out.println("PoP 1-day (%): " + ws.getNextXDaysPercentageOfPrecipitation(1)); System.out.println("PoP 3-day (%): " + ws.getNextXDaysPercentageOfPrecipitation(3)); System.out.println("PoP 7-day (%): " + ws.getNextXDaysPercentageOfPrecipitation(7)); } } } private void processConsoleInput(String input) { input = input.trim(); if (input.matches("activate controller.*")) { activateController(input); } else if (input.matches("deactivate controller.*")) { deactivateController(input); } else if (input.matches("activate weatherstation.*")) { activateWeatherStation(input); } else if (input.matches("deactivate weatherstation.*")) { deactivateWeatherStation(input); } else if (input.matches("reload controller configuration")) { try { irrigator.reloadConfigurationFromFile(); irrigator.processControllerConfiguration(); } catch (Exception e) { System.out.println("Error re-loading configuration due to: " + e.getMessage()); } addAutoCompleteCommands(reader); System.out.println("Configuration has been reloaded."); } else if (input.matches("reload watering day/time configuration")) { try { irrigator.reloadConfigurationFromFile(); irrigator.processWateringDaysConfiguration(); irrigator.processWateringStartTimeConfiguration(); } catch (Exception e) { System.out.println("Error re-loading configuration due to: " + e.getMessage()); } addAutoCompleteCommands(reader); System.out.println("Configuration has been reloaded."); } else if (input.matches("reload weatherstation configuration")) { try { irrigator.reloadConfigurationFromFile(); irrigator.processWeatherStationConfiguration(); } catch (Exception e) { System.out.println("Error re-loading configuration due to: " + e.getMessage()); } addAutoCompleteCommands(reader); System.out.println("Configuration has been reloaded."); } else if (input.matches("reload weather multiplier configuration")) { try { irrigator.reloadConfigurationFromFile(); irrigator.processWeatherMultiplierConfiguration(); } catch (Exception e) { System.out.println("Error re-loading configuration due to: " + e.getMessage()); } addAutoCompleteCommands(reader); System.out.println("Configuration has been reloaded."); } else if (input.matches("reload weather threshold configuration")) { try { irrigator.reloadConfigurationFromFile(); irrigator.processWeatherThresholdConfiguration(); } catch (Exception e) { System.out.println("Error re-loading configuration due to: " + e.getMessage()); } addAutoCompleteCommands(reader); System.out.println("Configuration has been reloaded."); } else if (input.matches("show controller all info")) { printControllerInfoAll(input); } else if (input.matches("show controller.*info")) { printControllerInfo(input); } else if (input.matches("show controller all status")) { printControllerStatusAll(input); } else if (input.matches("show controller.*results last \\d")) { printIrrigationResults(input); } else if (input.matches("show controller.*status")) { printControllerStatus(input); } else if (input.matches("show controller.*zones")) { printControllerZones(input); } else if (input.matches("show license")) { printLicense(); } else if (input.matches("show version")) { printVersion(); } else if (input.matches("show weather multiplier")) { printWeatherMultiplier(input); } else if (input.matches("show weatherstation.*info")) { printWeatherStationInfo(input); } else if (input.matches("show weatherstation.*status")) { printWeatherStationStatus(input); } else if (input.matches("start irrigation all")) { startAllIrrigation(); } else if (input.matches("stop irrigation all")) { stopAllIrrigation(); } else if (input.matches("test controller.*zone.*duration \\d+")) { testZone(input); } else { printHelpMenu(); } } private void printLicense() { String gnuV3License = "Jirrigate - A Java based irrigation control system.\n" + "Copyright (C) 2013 Ben Steele\n" + "https://github.com/bensteele/jirrigate\n\n" + "This program is free software: you can redistribute it and/or modify\n" + "it under the terms of the GNU General Public License as published by\n" + "the Free Software Foundation, either version 3 of the License, or\n" + "(at your option) any later version.\n" + "\n" + "This program is distributed in the hope that it will be useful,\n" + "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" + "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" + "GNU General Public License for more details.\n" + "\n" + "You should have received a copy of the GNU General Public License\n" + "along with this program. If not, see [http://www.gnu.org/licenses/]."; System.out.println(gnuV3License); } private void startAllIrrigation() { for (Controller c : irrigator.getControllers()) { System.out.print("Starting default irrigation for " + c.getName() + ": "); c.irrigationRequest(c.generateDefaultIrrigationRequest()); System.out.println("OK"); } } private void addAutoCompleteCommands(ConsoleReader reader) { // Clear any old auto-complete commands. commands.clear(); reader.removeCompleter(completer); // Add the controllers to the auto-complete for (Controller c : irrigator.getControllers()) { commands.add("show controller " + c.getName() + " info"); commands.add("show controller " + c.getName() + " results last <x>"); commands.add("show controller " + c.getName() + " status"); commands.add("show controller " + c.getName() + " zones"); commands.add("deactivate controller " + c.getName()); commands.add("activate controller " + c.getName()); } commands.add("show controller all info"); commands.add("show controller all status"); // Add zone testing for (Controller c : irrigator.getControllers()) { for (Zone z : c.getZones()) { commands.add("test controller " + c.getName() + " zone " + z.getName() + " duration <seconds> "); } } // Add the weather stations to the auto-complete for (WeatherStation ws : irrigator.getWeatherStations()) { commands.add("show weatherstation " + ws.getName() + " info"); commands.add("show weatherstation " + ws.getName() + " status"); commands.add("deactivate weatherstation " + ws.getName()); commands.add("activate weatherstation " + ws.getName()); } // Add weather multiplier commands to the auto-complete commands.add("show weather multiplier"); // Add irrigator specific commands to the auto-complete commands.add("reload controller configuration"); commands.add("reload watering day/time configuration"); commands.add("reload weatherstation configuration"); commands.add("reload weather multiplier configuration"); commands.add("reload weather threshold configuration"); commands.add("stop irrigation all"); commands.add("start irrigation all"); commands.add("show license"); commands.add("show version"); completer = new StringsCompleter(commands); reader.addCompleter(completer); } public void startConsole() throws IOException { reader.setPrompt("jirrigate> "); addAutoCompleteCommands(reader); String line; PrintWriter out = new PrintWriter(reader.getOutput(), true); while ((line = reader.readLine()) != null) { if (line.equalsIgnoreCase("quit") || line.equalsIgnoreCase("exit")) { out.println("Goodbye!"); System.exit(0); } processConsoleInput(line); } } private void stopAllIrrigation() { for (Controller c : irrigator.getControllers()) { System.out.print("Stopping " + c.getName() + ": "); if (c.stopIrrigation()) { System.out.println("OK"); } else { System.out.println("FAIL"); } } } private void testZone(String input) { for (Controller c : irrigator.getControllers()) { if (input.toLowerCase().contains(c.getName().toLowerCase())) { for (Zone z : c.getZones()) { if (input.toLowerCase().contains(z.getName().toLowerCase())) { String[] durationString = input.split("duration "); long duration = Long.parseLong(durationString[1]); System.out.println("Testing " + c.getName() + " zone " + z.getName() + " for " + duration + " seconds"); c.testZone(z, duration); } } } } } }