Initial commit

ShoppingList/.classpath

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="lib" path="lib/commons-lang3-3.9.jar"/>
+	<classpathentry kind="lib" path="lib/mariadb-java-client-2.4.4.jar"/>
+	<classpathentry kind="lib" path="C:/Users/Jens/Documents/Entwicklung/Eclipse workspace/libs/mailapi-1.5.0.jar"/>
+	<classpathentry kind="lib" path="C:/Users/Jens/Documents/Entwicklung/Eclipse workspace/libs/smtp-1.5.0.jar"/>
+	<classpathentry kind="lib" path="C:/Users/Jens/Documents/Entwicklung/Eclipse workspace/libs/activation-1.1.1.wso2v2.jar"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

ShoppingList/.gitignore

@@ -0,0 +1,74 @@
+
+# Created by https://www.toptal.com/developers/gitignore/api/eclipse
+# Edit at https://www.toptal.com/developers/gitignore?templates=eclipse
+
+### Eclipse ###
+.metadata
+bin/
+tmp/
+*.tmp
+*.bak
+*.swp
+*~.nib
+local.properties
+.settings/
+.loadpath
+.recommenders
+
+# External tool builders
+.externalToolBuilders/
+
+# Locally stored "Eclipse launch configurations"
+*.launch
+
+# PyDev specific (Python IDE for Eclipse)
+*.pydevproject
+
+# CDT-specific (C/C++ Development Tooling)
+.cproject
+
+# CDT- autotools
+.autotools
+
+# Java annotation processor (APT)
+.factorypath
+
+# PDT-specific (PHP Development Tools)
+.buildpath
+
+# sbteclipse plugin
+.target
+
+# Tern plugin
+.tern-project
+
+# TeXlipse plugin
+.texlipse
+
+# STS (Spring Tool Suite)
+.springBeans
+
+# Code Recommenders
+.recommenders/
+
+# Annotation Processing
+.apt_generated/
+.apt_generated_test/
+
+# Scala IDE specific (Scala & Java development for Eclipse)
+.cache-main
+.scala_dependencies
+.worksheet
+
+# Uncomment this line if you wish to ignore the project description file.
+# Typically, this file would be tracked if it contains build/dependency configurations:
+#.project
+
+### Eclipse Patch ###
+# Spring Boot Tooling
+.sts4-cache/
+
+# End of https://www.toptal.com/developers/gitignore/api/eclipse
+
+ShoppingListLogFile.txt
+ShoppingList-settings.ini

ShoppingList/.project

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>ShoppingList</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

ShoppingList/src/com/jens/rhasspy/shoppinglist/DatabaseHandler.java

@@ -0,0 +1,134 @@
+package com.jens.rhasspy.shoppinglist;
+
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+
+public class DatabaseHandler implements Runnable
+{
+	private static DatabaseHandler instance = null;
+	static final String databaseConnectionEncoding = "utf8";
+	
+	Connection conn = null;
+	
+	private DatabaseHandler()
+	{
+	}
+	
+	public static DatabaseHandler getInstance()
+	{
+		if(instance == null)
+			instance = new DatabaseHandler();
+		
+		return instance;
+	}
+	
+	public Connection getConnection()
+	{
+//		if(isConnectedToDatabase())
+//		{
+//			// It has occured that the connection was there, but dead due to timeout or whatever
+//			try
+//			{
+//				conn.getSchema();
+//			}
+//			catch (SQLException e)
+////			if(conn.isValid(5000))
+//			{
+//				Miscellaneous.logEvent("DB connection probably dropped. Reestablishing...");
+//				conn = null;
+//				establishConnection();
+//			}
+//		}
+		
+		if(!isConnectedToDatabase())
+		    establishConnection(true);
+		
+		return this.conn;
+	}
+	
+	/** force means that connection is definitely reestablished, even if there seems to be an existing one **/
+	private synchronized void establishConnection(boolean force)
+	{
+		if(conn == null | force)
+		{			
+			for(String dbServer : Settings.databaseServerNames)
+			{
+				Miscellaneous.logEvent("Trying to connect to database " + Settings.databaseName + "@" + dbServer + " as " + Settings.databaseUsername + "...", 3);
+				
+//				String url = "jdbc:mysql://" + dbServer + ":" + Settings.databasePort + "/";
+//		        String driver = "com.mysql.jdbc.Driver";
+				String url = "jdbc:mariadb://" + dbServer + ":" + Settings.databasePort + "/";
+		        String driver = "org.mariadb.jdbc.Driver";
+		        try
+		        {
+			        Class.forName(driver).newInstance();
+			        conn = DriverManager.getConnection(url + Settings.databaseName + "?characterEncoding=" + databaseConnectionEncoding, Settings.databaseUsername, Settings.databasePassword);
+					Miscellaneous.logEvent("Connected to database.", 3);
+					
+					break;
+		        }
+		        catch (ClassNotFoundException e)
+		        {
+		        	Miscellaneous.logEvent(Settings.languageBlock.get("dbDriverNotFound"), 1);
+		        }
+		        catch (Exception e)
+		        {
+		        	Miscellaneous.logEvent(Settings.languageBlock.get("dbCouldNotConnect"), 1);
+		        	Miscellaneous.logEvent(Diverse.getStackTraceAsString(e), 2);
+		        	this.conn = null;
+		        }
+			}
+		}
+	}
+	
+	public void disconnect()
+	{
+		// TODO: Timeout after which the DB connection is terminated automatically.
+		
+		if(conn != null)
+		{
+			Miscellaneous.logEvent("Disconnecting from database.", 3);
+			try
+			{
+				this.conn.close();
+			}
+			catch (SQLException e)
+			{
+				Miscellaneous.logEvent(Diverse.getStackTraceAsString(e), 1);
+			}
+		}
+		else
+			Miscellaneous.logEvent("Not disconnecting from database because not connected.", 4);
+		
+		conn=null;
+	}
+
+	@Override
+	protected void finalize() throws Throwable
+	{
+		disconnect();
+	}
+
+	@Override
+	public void run()
+	{
+		getConnection();
+	}
+
+	public boolean isConnectedToDatabase()
+	{
+		try
+		{
+			if(conn != null && conn.isValid(5000))
+				return true;
+		}
+		catch (SQLException e)
+		{
+			Miscellaneous.logEvent(Diverse.getStackTraceAsString(e), 1);
+		}
+		
+		return false;
+	}
+}

ShoppingList/src/com/jens/rhasspy/shoppinglist/Diverse.java

@@ -0,0 +1,611 @@
+package com.jens.rhasspy.shoppinglist;
+
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.io.StringReader;
+import java.io.StringWriter;
+import java.io.Writer;
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+import java.security.SecureRandom;
+import java.sql.Time;
+import java.util.ArrayList;
+import java.util.Calendar;
+import java.util.HashMap;
+import java.util.TimeZone;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.transform.OutputKeys;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerConfigurationException;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathConstants;
+import javax.xml.xpath.XPathExpression;
+import javax.xml.xpath.XPathExpressionException;
+import javax.xml.xpath.XPathFactory;
+
+public class Diverse
+{
+    public final static String networkSeparatorCommunication = ";commSep";
+    public final static String networkSeparatorSettings = ";commSett";
+
+    public static enum cacheObjectsEnum { all, devices, commands, rooms, rules, users, houses, nodes, sensors, userDevices };
+
+    public enum SolarEvent {sunrise, sunset};
+
+    public static final String lineSeparator = System.getProperty("line.separator");
+
+    public static String intToOpenClosed(int value)
+    {
+        if(value == 1)
+            return "closed";
+        else if(value == 0)
+            return "open";
+        else
+            return "unknown";
+    }
+
+    public static String intToWaterYesNo(int value)
+    {
+        if(value == 1)
+            return "water";
+        else if(value == 0)
+            return "dry";
+        else
+            return "unknown";
+    }
+
+    public static String intToSmokeYesNo(int value)
+    {
+        if(value == 1)
+            return "smoke";
+        else if(value == 0)
+            return "no smoke";
+        else
+            return "unknown";
+    }
+
+    public static String getEnabledDisabledString(boolean value)
+    {
+        if(value)
+            return "enabled";
+        else
+            return "disabled";
+    }
+
+    public static Calendar calendarFromLong(long source)
+    {
+        Calendar cal = Calendar.getInstance();
+        cal.setTimeInMillis(source);
+        return cal;
+    }
+
+    public static String getOnOffString(boolean value)
+    {
+        if(value)
+            return "on";
+        else
+            return "off";
+    }
+
+    public static String getIniLikeValue(String fullText, String searchObject, String separator)
+    {
+        fullText = fullText.trim();
+
+        if (fullText.toLowerCase().contains(searchObject.toLowerCase()))
+        {
+            if (fullText.toLowerCase().contains(separator.toLowerCase()))    // multiple values
+            {
+                int start = fullText.toLowerCase().indexOf(searchObject.toLowerCase() + "=") + searchObject.length() + 1;
+                int end = fullText.toLowerCase().indexOf(separator.toLowerCase(), start);
+
+                if (end == -1)    // if the last index in fullText
+                    return fullText.substring(start);
+                else
+                    return fullText.substring(start, end);
+            }
+            else                                // only one value
+            {
+                return fullText.substring(fullText.indexOf("=") + 1);
+            }
+        }
+        else
+        {
+            Miscellaneous.logEvent("Index " + searchObject + " cannot be found in full text.", 5);
+            return null;
+        }
+    }
+
+    public static String addOrReplaceIniLikeValue(String fullText, String key, String value, String separator)
+    {
+        fullText = fullText.trim();
+
+        if (fullText.startsWith(key + "=") | fullText.contains(separator + key + "="))
+        {
+            if (fullText.contains(separator))    // multiple values
+            {
+                int start = fullText.indexOf(key + "=") + key.length() + 1;
+                int end = fullText.indexOf(separator, start);
+
+                String oldValue;
+                if (end == -1)    // if the last index in fullText
+                    oldValue = fullText.substring(start);
+                else
+                    oldValue = fullText.substring(start, end);
+
+                return fullText.replace(key + "=" + oldValue, key + "=" + value);
+            }
+            else                                // only one value
+            {
+                return key + "=" + value;
+            }
+        }
+        else
+        {
+            if(fullText.length() > 0)
+                return fullText + separator + key + "=" + value;
+            else
+                return key + "=" + value;
+        }
+    }
+
+    public static String removeIniLikeValue(String fullText, String key, String separator)
+    {
+        fullText = fullText.trim();
+        String toBeRemoved = getIniLikeValue(fullText, key, separator);
+
+        if(toBeRemoved != null && fullText.contains(toBeRemoved))
+        {
+            if(fullText.contains(";"))
+            {
+                if(fullText.contains(";" + toBeRemoved))
+                    return fullText.replace(";" + toBeRemoved, "");
+                else
+                    return fullText.replace(toBeRemoved + ";", "");
+            }
+            else
+                return "";
+        }
+        else
+            return fullText;
+    }
+
+    public static String updateIniLikeValue(String fullText, String key, String value, String separator)
+    {
+        if (fullText.contains(key))
+        {
+            if (fullText.contains(separator))    // multiple values
+            {
+                String[] lines = fullText.split(separator);
+                for(int i=0; i < lines.length; i++)
+                {
+                    if(lines[i].startsWith(key))
+                    {
+                        int equalsPosition = lines[i].indexOf(key + "=") + key.length() + 1;
+                        lines[i] = lines[i].substring(0, equalsPosition) + value;
+                        break;
+                    }
+                }
+
+                return Diverse.arrayImplode(separator, lines);
+            }
+            else                                // only one value
+            {
+                return fullText + separator + key + "=" + value;
+            }
+        }
+        else
+        {
+            return fullText + separator + key + "=" + value;
+        }
+    }
+
+    public static int boolToInt(boolean in)
+    {
+        if (in)
+            return 1;
+        else
+            return 0;
+    }
+
+    public static boolean intToBool(int in)
+    {
+        if (in > 0)
+            return true;
+        else
+            return false;
+
+//        ClientServerSplit.logEvent("Error transforming int to bool.", 3);
+//        return false;
+    }
+
+    public static boolean isNumeric(String stringToCheck)
+    {
+        String character;
+
+        for(int i = 0; i < stringToCheck.length(); i++)
+        {
+            character = stringToCheck.substring(i, i + 1);
+
+            if(!character.matches("[1234567890]") && !character.equals(".") && !character.equals(","))
+                return false;
+        }
+
+        return true;
+    }
+
+    public static boolean arraySearch(String[] haystack, String needle, boolean caseSensitive, boolean matchFullLine)
+    {
+        if(matchFullLine)
+        {
+            if(caseSensitive)
+            {
+                for (String s : haystack)
+                {
+                    if (s.equals(needle))
+                        return true;
+                }
+            }
+            else
+            {
+                for (String s : haystack)
+                {
+                    if (s.toLowerCase().equals(needle.toLowerCase()))
+                        return true;
+                }
+            }
+        }
+        else
+        {
+            if(caseSensitive)
+            {
+                for (String s : haystack)
+                {
+                    if (s.contains(needle))
+                        return true;
+                }
+            }
+            else
+            {
+                for (String s : haystack)
+                {
+                    if (s.toLowerCase().contains(needle.toLowerCase()))
+                        return true;
+                }
+            }
+        }
+
+        return false;
+    }
+
+    public static boolean arraySearch(ArrayList<String> requestList, String needle, boolean caseSensitive, boolean matchFullLine)
+    {
+        return arraySearch(requestList.toArray(new String[requestList.size()]), needle, caseSensitive, matchFullLine);
+    }
+
+    public static boolean arraySearch(cacheObjectsEnum[] haystack, cacheObjectsEnum needle)
+    {
+        if (needle != null)
+        {
+            for (cacheObjectsEnum c : haystack)
+            {
+                if (c.equals(needle))
+                    return true;
+            }
+        }
+        else
+            Miscellaneous.logEvent("Needle should not be null in function arraySearch()", 5);
+
+        return false;
+    }
+
+    public static String arrayImplode(String glue, String... values)
+    {
+        String returnString = "";
+
+        for (String s : values)
+            returnString += s + glue;
+
+        if (returnString.length() > 0)
+            returnString = returnString.substring(0, returnString.length() - glue.length());
+
+        return returnString;
+    }
+
+    public static String arrayImplode(String glue, ArrayList<String> arrayList)
+    {
+        String returnString = "";
+
+        for (Object s : arrayList)
+            returnString += s + glue;
+
+        if (returnString.length() > 0)
+            returnString = returnString.substring(0, returnString.length() - glue.length());
+
+        return returnString;
+    }
+
+    public static String arrayImplode(String glue, Object[] array)
+    {
+        String returnString = "";
+
+        for (Object s : array)
+            returnString += s.toString() + glue;
+
+        if (returnString.length() > 0)
+            returnString = returnString.substring(0, returnString.length() - glue.length());
+
+        return returnString;
+    }
+
+    public static String arrayImplode(String glue, HashMap<String, String> map)
+    {
+        String returnString = "";
+
+        for (String key : map.keySet())
+            returnString += map.get(key) + glue;
+
+        if (returnString.length() > 0)
+            returnString = returnString.substring(0, returnString.length() - glue.length());
+
+        return returnString;
+    }
+
+    public static String getSystemTimezone()
+    {
+//		https://coderanch.com/t/386398/java/System-Timezone
+        TimeZone tz = Calendar.getInstance().getTimeZone();
+//		System.out.println(tz.getDisplayName());// (i.e. Moscow Standard Time)
+        return tz.getID();
+
+//		Should return something like this: Asia/Calcutta
+    }
+
+    public static String createPassword(int length)
+    {
+        final String allowedChars = "0123456789abcdefghijklmnopqrstuvwABCDEFGHIJKLMNOP!§$%&?*+#";
+        SecureRandom random = new SecureRandom();
+        StringBuilder pass = new StringBuilder(length);
+        for (int i = 0; i < length; i++)
+        {
+            pass.append(allowedChars.charAt(random.nextInt(allowedChars.length())));
+        }
+        return pass.toString();
+    }
+
+    public static Element getXmlTree(String inputString) throws SAXException, IOException, ParserConfigurationException
+    {
+        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+        DocumentBuilder builder = factory.newDocumentBuilder();
+
+//		Create a Document from a file or stream
+		/*
+		StringBuilder xmlStringBuilder = new StringBuilder();
+		xmlStringBuilder.append("<?xml version="1.0"?> <class> </class>");
+		ByteArrayInputStream input = new ByteArrayInputStream(xmlStringBuilder.toString().getBytes("UTF-8"));
+		*/
+//		Document doc = builder.parse(input);
+        Document doc = builder.parse(new InputSource(new StringReader(inputString)));
+
+        Element rootElement = doc.getDocumentElement();
+
+        return rootElement;
+	/*
+//		Examine attributes
+
+		//returns specific attribute
+		root.getAttribute("attributeName");
+
+		//returns a Map (table) of names/values
+		root.getAttributes();
+
+//		Examine sub-elements
+
+		//returns a list of subelements of specified name
+		root.getElementsByTagName("subelementName");
+
+		//returns a list of all child nodes
+		root.getChildNodes();
+	*/
+    }
+
+    public static String xmlToString(Node node, boolean omitXmlDeclaration, boolean prettyPrint)
+    {
+        if (node == null)
+        {
+            throw new IllegalArgumentException("node is null.");
+        }
+
+        try
+        {
+            // Remove unwanted whitespaces
+            node.normalize();
+            XPath xpath = XPathFactory.newInstance().newXPath();
+            XPathExpression expr = xpath.compile("//text()[normalize-space()='']");
+            NodeList nodeList = (NodeList) expr.evaluate(node, XPathConstants.NODESET);
+
+            for (int i = 0; i < nodeList.getLength(); ++i)
+            {
+                Node nd = nodeList.item(i);
+                nd.getParentNode().removeChild(nd);
+            }
+
+            // Create and setup transformer
+            Transformer transformer = TransformerFactory.newInstance().newTransformer();
+            transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
+
+            if (omitXmlDeclaration == true)
+            {
+                transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
+            }
+
+            if (prettyPrint == true)
+            {
+                transformer.setOutputProperty(OutputKeys.INDENT, "yes");
+                transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
+            }
+
+            // Turn the node into a string
+            StringWriter writer = new StringWriter();
+            transformer.transform(new DOMSource(node), new StreamResult(writer));
+            return writer.toString();
+        }
+        catch (TransformerConfigurationException e)
+        {
+            e.printStackTrace();
+        }
+        catch (TransformerException e)
+        {
+            throw new RuntimeException(e);
+        }
+        catch (XPathExpressionException e)
+        {
+            throw new RuntimeException(e);
+        }
+
+        return null;
+    }
+
+
+    public static String getStackTrace()
+    {
+        StringBuilder trace = new StringBuilder();
+        for (StackTraceElement ste : Thread.currentThread().getStackTrace())
+            trace.append(ste + Diverse.lineSeparator);
+
+        trace.delete(trace.length(), trace.length());
+
+        return trace.toString();
+    }
+
+    public static String getStackTraceAsString(Throwable aThrowable)
+    {
+        Writer result = new StringWriter();
+        PrintWriter printWriter = new PrintWriter(result);
+        aThrowable.printStackTrace(printWriter);
+        return result.toString();
+    }
+
+    /**
+     * Defines a custom format for the stack trace as String.
+     */
+    public static String getCustomStackTrace(Throwable aThrowable)
+    {
+        //add the class name and any message passed to constructor
+        StringBuilder result = new StringBuilder( "Stacktrace: " );
+        result.append(aThrowable.toString());
+        String NEW_LINE = System.getProperty("line.separator");
+        result.append(NEW_LINE);
+
+        //add each element of the stack trace
+        for (StackTraceElement element : aThrowable.getStackTrace())
+        {
+            result.append(element);
+            result.append(NEW_LINE);
+        }
+        return result.toString();
+    }
+
+    public static ArrayList<Element> getSubElements(Node node, String parentName, String childName)
+    {
+        ArrayList<Element> returnList = new ArrayList<Element>();
+        NodeList nodeElements = ((Element)node).getElementsByTagName("houses");
+        for(int i = 0; i < nodeElements.getLength(); i++)
+        {
+            if (nodeElements.item(i).getNodeType() == Node.ELEMENT_NODE)
+            {
+                NodeList childElements = nodeElements.item(i).getChildNodes();
+                for (int j = 0; j < childElements.getLength(); j++)
+                {
+                    Element element = (Element) childElements.item(j);
+//					HouseTemplate house = HouseTemplate.fromXmlStringStatic(Diverse.getXmlFull(element));
+                    returnList.add(element);
+                }
+            }
+        }
+
+		/*ArrayList<Element> returnList = new ArrayList<>();
+
+		NodeList children = ((Element)node).getElementsByTagName(parentName);
+
+		for(int i=0; i < children.getLength(); i++)
+		{
+			returnList.add((Element)children.item(i));
+		}*/
+
+        return returnList;
+    }
+
+    public static double round(double value, int places)
+    {
+        if (places < 0) throw new IllegalArgumentException();
+
+        BigDecimal bd = new BigDecimal(Double.toString(value));
+        bd = bd.setScale(places, RoundingMode.HALF_UP);
+        return bd.doubleValue();
+    }
+
+    public static Class getCallerClass()
+    {
+        StackTraceElement[] stElements = Thread.currentThread().getStackTrace();
+        for (int i=1; i<stElements.length; i++)
+        {
+            StackTraceElement ste = stElements[i];
+            if (!ste.getClassName().equals(Diverse.class.getName()) && ste.getClassName().indexOf("java.lang.Thread")!=0)
+            {
+                return ste.getClass().getDeclaringClass();
+            }
+        }
+        return null;
+    }
+
+    public static Class getCallerCallerClassName()
+    {
+        StackTraceElement[] stElements = Thread.currentThread().getStackTrace();
+        String callerClassName = null;
+        for (int i=1; i<stElements.length; i++)
+        {
+            StackTraceElement ste = stElements[i];
+            if (!ste.getClassName().equals(Diverse.class.getName())&& ste.getClassName().indexOf("java.lang.Thread")!=0)
+            {
+                if (callerClassName==null)
+                {
+                    callerClassName = ste.getClassName();
+                }
+                else if (!callerClassName.equals(ste.getClassName()))
+                {
+                    try
+                    {
+                        Class returnClass = Class.forName(ste.getClassName());
+                        return returnClass;
+                    }
+                    catch(Exception e)
+                    {}
+//                    return ste.getClassName();
+                }
+            }
+        }
+        return null;
+    }
+    
+    public static int countOccurences(String input, String needle)
+    {
+    	String out = input.replace (needle, "");
+    	int lenDiff = input.length () - out.length ();
+    	return lenDiff / needle.length();
+    }
+}

ShoppingList/src/com/jens/rhasspy/shoppinglist/Miscellaneous.java

@@ -0,0 +1,562 @@
+package com.jens.rhasspy.shoppinglist;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.lang.management.GarbageCollectorMXBean;
+import java.lang.management.ManagementFactory;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.nio.file.StandardOpenOption;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.Properties;
+import java.util.concurrent.TimeUnit;
+import java.util.logging.FileHandler;
+import java.util.logging.Logger;
+
+import javax.mail.Authenticator;
+import javax.mail.Message;
+import javax.mail.PasswordAuthentication;
+import javax.mail.Session;
+import javax.mail.Transport;
+import javax.mail.internet.AddressException;
+import javax.mail.internet.InternetAddress;
+import javax.mail.internet.MimeMessage;
+
+public class Miscellaneous
+{
+	protected static Calendar logDate;
+	static Logger logger = Logger.getLogger(Miscellaneous.class.getName());
+	static FileHandler fileHandler = null;
+	
+	
+	public static final String genericErrorMessage = "sldaskdm32oierror";
+	
+	protected static boolean logCleanerRunning = false;
+
+	static File getLogFileFullPath()
+	{
+		File logFile;
+		File folder = new File(Settings.logFolderPath);
+					
+		if((folder.exists() && folder.canWrite()) | folder.mkdir())
+			logFile = new File(folder.getAbsolutePath() + "/" + Settings.logFileName);
+		else
+			logFile = new File(Settings.logFileName);
+
+//		System.out.println("Using " + logFile.getAbsolutePath().toString() + " as log file path.");
+		
+		return logFile;
+	}
+	
+	public static String formatDate(Date input)
+	{
+		DateFormat sdf = null;
+		SimpleDateFormat fallBackFormatter = new SimpleDateFormat(Settings.dateFormat);
+		
+		if(sdf == null && Settings.dateFormat != null)
+			sdf = new SimpleDateFormat(Settings.dateFormat);
+		
+		String formattedDate;
+		if(sdf != null)
+			formattedDate = sdf.format(input);
+		else
+			formattedDate = fallBackFormatter.format(input);
+		
+		return formattedDate;
+	}
+	
+	public static synchronized void logEvent(String eventDescription, int logLevel)
+	{	
+		if(logLevel <= Settings.logLevel)
+		{
+			logDate = Calendar.getInstance();
+			
+			String formattedDate = Miscellaneous.formatDate(logDate.getTime());
+			
+			String callingClass = Thread.currentThread().getStackTrace()[2].getClassName();
+			
+			String textToLog = Diverse.lineSeparator + formattedDate + ": " + callingClass + ": " + eventDescription;
+			
+			File logFile = getLogFileFullPath();
+			
+			if(!logFile.exists())
+			{
+				try
+				{
+					logFile.createNewFile();
+				}
+				catch (IOException e1)
+				{
+					e1.printStackTrace();
+				}
+			}
+			
+			try
+			{
+			    Files.write(Paths.get(logFile.toString()), textToLog.getBytes(), StandardOpenOption.APPEND);
+			}
+			catch (IOException e)
+			{
+			    //exception handling left as an exercise for the reader
+//				System.out.println("Error appending to file " + logFile + ": " + Diverse.getStackTraceAsString(e));
+			}
+			
+			if(Miscellaneous.isDevelopment())
+				System.out.println(textToLog);
+			
+			if(!logCleanerRunning && Math.random() < 0.01)	// tidy up with 0,1% probability
+			{
+				logCleanerRunning = true;
+				
+				Miscellaneous.logEvent("Cleaning up log file.", 3);
+				
+				long maxSizeInBytes = (long)Settings.logMaxSize * 1024 * 1024;
+				
+				if(logFile.exists() && logFile.length() > (maxSizeInBytes))
+				{						
+					File archivedLogFile = new File(logFile.getAbsolutePath() + "-old");
+					logFile.renameTo(archivedLogFile);
+					Miscellaneous.logEvent("Log renamed to " + archivedLogFile.getAbsolutePath(), 3);
+				}
+
+				Miscellaneous.logEvent("Cleaning up log file finished.", 3);
+	
+				logCleanerRunning = false;
+			}
+		}
+	}
+	
+	public static String getGCStats()
+	{
+		StringBuilder returnString = new StringBuilder();
+		
+	    long totalGarbageCollections = 0;
+	    long garbageCollectionTime = 0;
+
+	    for(GarbageCollectorMXBean gc : ManagementFactory.getGarbageCollectorMXBeans())
+	    {
+
+	        long count = gc.getCollectionCount();
+
+	        if(count >= 0) {
+	            totalGarbageCollections += count;
+	        }
+
+	        long time = gc.getCollectionTime();
+
+	        if(time >= 0)
+	            garbageCollectionTime += time;
+	    }
+
+	    returnString.append("Total Garbage Collections: " + totalGarbageCollections + Diverse.lineSeparator);
+	    returnString.append("Total Garbage Collection Time (ms): " + garbageCollectionTime);
+	    
+	    return returnString.toString();
+	}
+	  
+	  public static class SmtpSimple
+	  {
+		  /**
+		   * Send a single email.
+		   */
+		   public boolean sendEmail(String mailServer, int mailServerPor, String encryptionType, boolean useAuthentication, final String username, final String password, String aFromEmailAddr, String aToEmailAddr, String aSubject, String aBody)
+		   {
+			    // Properties über die Systemeigenschaften anlegen
+				Properties properties = System.getProperties();
+
+				properties.setProperty("mail.smtp.host", mailServer);				
+				properties.setProperty("mail.smtp.port", String.valueOf(mailServerPor));
+
+				properties.setProperty("mail.smtp.auth", String.valueOf(useAuthentication));
+								
+				/*
+				 * final Properties props = new Properties();
+				 * props.put("mail.smtp.host", "SMTPHOST");
+				 * props.put("mail.smtp.port", "PORTNUMBER");
+				 * props.put("mail.transport.protocol","smtp");
+				 * props.put("mail.smtp.auth", "true");
+				 * props.put("mail.smtp.starttls.enable", "true");
+				 * props.put("mail.smtp.tls", "true");
+				 * props.put("mail.smtp.ssl.checkserveridentity", "true");
+				*/				
+
+				if(encryptionType.equalsIgnoreCase("STARTTLS"))
+					properties.setProperty("mail.smtp.starttls.enable", "true");
+				else if(encryptionType.equalsIgnoreCase("TLS"))
+					properties.put("mail.smtp.tls", "true");
+				else if(encryptionType.equalsIgnoreCase("SSL"))
+					properties.setProperty("mail.smtp.ssl.enable", "true");
+				
+//				properties.put("mail.smtp.ssl.checkserveridentity", "false");
+				
+			    Session session;
+		     
+			    Authenticator auth = new Authenticator()
+			    {
+			    	protected PasswordAuthentication getPasswordAuthentication()
+			    	{
+			    		return new PasswordAuthentication(username, password);
+			    	}
+			    };
+
+			    if(useAuthentication)
+			    	session = Session.getDefaultInstance(properties, auth);
+			    else
+			    	session= Session.getDefaultInstance(properties, null);
+
+//             	session.setDebug(true);
+		     
+			    MimeMessage message = new MimeMessage(session);
+			    try
+			    {
+			    	//the "from" address may be set in code, or set in the
+			    	//config file under "mail.from" ; here, the latter style is used
+			    	message.setFrom(new InternetAddress(aFromEmailAddr));
+			    	message.addRecipient(Message.RecipientType.TO, new InternetAddress(aToEmailAddr));
+			    	message.setSubject(aSubject);
+			    	message.setText(aBody);
+			    	Transport.send(message);
+			    	return true;
+			    }
+			    catch (AddressException e)
+			    {
+			    	System.err.println("Cannot send email. " + Diverse.getStackTraceAsString(e));
+			    }
+			    catch (javax.mail.MessagingException e)
+			    {
+			    	System.err.println("Cannot send email. " + Diverse.getStackTraceAsString(e));
+			    }
+		     
+			    return false;
+		   	}
+	  }
+	  
+	  public static String readFile(File file)
+	  {
+	     String content = null;
+	     try
+	     {
+	         FileReader reader = new FileReader(file);
+	         char[] chars = new char[(int) file.length()];
+	         reader.read(chars);
+	         content = new String(chars);
+	         reader.close();
+	     }
+	     catch (IOException e)
+	     {
+	         e.printStackTrace();
+	     }
+	     return content;
+	 }
+	
+	public static double convertCelsiusToFahrenheit(double celsius)
+	{
+		return (celsius * 1.8 + 32);
+	}
+	
+	public static double convertFahrenheitToCelsius(double fahrenheit)
+	{
+		return ((fahrenheit - 32)/1.8);
+	}
+	
+	public static String downloadWebpage(String urlAddress)
+	{
+	    URL url;
+	    InputStream is = null;
+	    BufferedReader br = null;
+	    String line;
+
+	    try
+	    {
+	        url = new URL(urlAddress);
+	        is = url.openStream();  // throws an IOException
+	        br = new BufferedReader(new InputStreamReader(is));
+
+	        StringBuilder returnString = new StringBuilder();
+	        
+	        while ((line = br.readLine()) != null)
+	        {
+//	            System.out.println(line);
+	            returnString.append(line);
+	        }
+	        
+        	if(br != null)
+        		br.close();
+        	
+            if (is != null)
+            	is.close();
+            
+            Miscellaneous.logEvent("Webpage downloaded: " + returnString.toString(), 5);
+            
+	        return returnString.toString();
+	    }
+	    catch (MalformedURLException mue)
+	    {
+	         mue.printStackTrace();
+	    }
+	    catch (IOException ioe)
+	    {
+	         ioe.printStackTrace();
+	    }
+	    finally
+	    {
+	        try
+	        {
+	        	if(br != null)
+	        		br.close();
+	        	
+	            if (is != null)
+	            	is.close();
+	        }
+	        catch (IOException ioe)
+	        {
+	            // nothing to see here
+	        }
+	    }
+	    
+	    return genericErrorMessage;
+	}
+	
+	public static boolean isDevelopment()
+	{
+		Boolean desenv = null;
+		
+//	    if (desenv != null)
+//	    	return desenv;
+
+	    try
+	    {
+	        desenv = new File(".").getCanonicalPath().contains("workspace");
+	    }
+	    catch (IOException e)
+	    {
+	        e.printStackTrace();
+	    }
+
+	    return desenv;
+	}
+	
+	public static String getOnOffStringForBoolean(boolean state)
+	{
+		if(state)
+			return "on";
+		else
+			return "off";
+	}
+	
+//	public enum SolarEvent { dawn, sunrise, solarNoon, sunset, dusk };
+	
+	/**
+	 * 
+	 * @param commandToExecute
+	 * @param timeout
+	 * @return Returns an array: 0=exit code, 1=cmdline output
+	 */
+	public static Object[] runExternalApplication(String commandToExecute, long timeout)
+	{
+		/*
+		 * Classes stolen from https://github.com/stleary/JSON-java
+		 */
+		
+		Miscellaneous.logEvent("Running external application " + commandToExecute + "...", 4);
+		
+		Object[] returnObject = new Object[2];
+		
+		StringBuilder output = new StringBuilder();
+		String line = null;
+	    OutputStream stdin = null;
+	    InputStream stderr = null;
+	    InputStream stdout = null;
+
+		try
+		{		
+			Process process = null;
+			
+			process = Runtime.getRuntime().exec(commandToExecute);
+			stdin = process.getOutputStream ();
+			stderr = process.getErrorStream ();
+			stdout = process.getInputStream ();
+
+			// "write" the parms into stdin
+			/*line = "param1" + "\n";
+			stdin.write(line.getBytes() );
+			stdin.flush();
+			
+			line = "param2" + "\n";
+			stdin.write(line.getBytes() );
+			stdin.flush();
+			
+			line = "param3" + "\n";
+			stdin.write(line.getBytes() );
+			stdin.flush();
+			
+			stdin.close();	*/		
+			
+			// clean up if any output in stdout
+			BufferedReader brCleanUp = new BufferedReader (new InputStreamReader (stdout));
+			while ((line = brCleanUp.readLine ()) != null)
+			{
+			    Miscellaneous.logEvent ("[Stdout] " + line, 4);
+			    output.append(line);
+			}
+			brCleanUp.close();
+			
+			// clean up if any output in stderr
+			brCleanUp = new BufferedReader (new InputStreamReader (stderr));
+			while ((line = brCleanUp.readLine ()) != null)
+			{
+			    Miscellaneous.logEvent ("[Stderr] " + line, 4);
+			    output.append(line);
+			}
+			brCleanUp.close();
+		
+			try
+			{
+				// Wait for the process to exit, we want the return code
+				if(timeout > 0)
+				{
+					try
+					{
+						if(!process.waitFor(timeout, TimeUnit.MILLISECONDS))
+						{
+							Miscellaneous.logEvent("Timeout of " + String.valueOf(timeout) + " ms reached. Killing check attempt.", 3);
+							process.destroyForcibly();
+						}
+					}
+					catch(NoSuchMethodError e)
+					{
+						process.waitFor();
+					}
+				}
+				else
+					process.waitFor();
+			}
+			catch (InterruptedException e)
+			{
+				Miscellaneous.logEvent("Waiting for process failed: " + Diverse.getStackTraceAsString(e), 4);
+				Miscellaneous.logEvent(Diverse.getStackTraceAsString(e), 1);
+			}
+			
+			Miscellaneous.logEvent("ReturnCode: " + String.valueOf(process.exitValue()), 4);
+			
+			returnObject[0] = process.exitValue();
+			returnObject[1] = output.toString();
+			
+			return returnObject;
+		}
+		catch (IOException e)
+		{
+			Miscellaneous.logEvent(Diverse.getStackTraceAsString(e), 1);
+		}
+
+		Miscellaneous.logEvent("Error running external application.", 1);
+		
+		return null;
+	}
+	
+	public static boolean restartNode()
+	{
+//		return true;
+		return (boolean) runExternalApplication("sudo shutdown -r", 60000)[0];
+	}
+
+	public static boolean isLeapYear(int year)
+	{
+        boolean leap = false;
+
+        if(year % 4 == 0)
+        {
+            if( year % 100 == 0)
+            {
+                // year is divisible by 400, hence the year is a leap year
+                if ( year % 400 == 0)
+                    leap = true;
+                else
+                    leap = false;
+            }
+            else
+                leap = true;
+        }
+        else
+            leap = false;
+
+        return leap;
+        
+        /*if(leap)
+            System.out.println(year + " is a leap year.");
+        else
+            System.out.println(year + " is not a leap year.");*/
+    }
+	
+	public static double getStarDate(Calendar when)
+	{		
+		int y = when.get(Calendar.YEAR);
+		
+		int n = 0;
+		if(Miscellaneous.isLeapYear(y))
+			n = 366;
+		else
+			n = 365;
+		
+		int b = 2005;
+		
+		long c = 58000;
+		
+		int d = when.get(Calendar.DAY_OF_MONTH);
+				
+		int m = 0;
+		switch(when.get(Calendar.MONTH))
+		{
+			case Calendar.JANUARY:
+				m = 0;
+				break;
+			case Calendar.FEBRUARY:
+				m = 31;
+				break;
+			case Calendar.MARCH:
+				m = 59;
+				break;
+			case Calendar.APRIL:
+				m = 90;
+				break;
+			case Calendar.MAY:
+				m = 120;
+				break;
+			case Calendar.JUNE:
+				m = 151;
+				break;
+			case Calendar.JULY:
+				m = 181;
+				break;
+			case Calendar.AUGUST:
+				m = 212;
+				break;
+			case Calendar.SEPTEMBER:
+				m = 243;
+				break;
+			case Calendar.OCTOBER:
+				m = 273;
+				break;
+			case Calendar.NOVEMBER:
+				m = 304;
+				break;
+			case Calendar.DECEMBER:
+				m = 334;
+				break;
+		}
+		
+		double stardate = c + (1000 * (y-b)) + (1000/n * (m+d-1));
+		
+		return stardate;
+	}
+}

ShoppingList/src/com/jens/rhasspy/shoppinglist/Product.java

@@ -0,0 +1,194 @@
+package com.jens.rhasspy.shoppinglist;
+import<