Add code

This commit adds all necessary code and files to make this work.

src/main/java/net/mindoverflow/tools/ssf/Main.java

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+package net.mindoverflow.tools.ssf;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.xml.sax.SAXException;
+import org.yaml.snakeyaml.Yaml;
+
+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.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+import java.io.*;
+import java.nio.file.Files;
+import java.util.Map;
+
+public class Main {
+
+    private static int restartDelay;
+    private static String monitorConnector;
+    private static double monitorScale;
+    private static boolean enable;
+
+    public static void main(String[] args) throws ParserConfigurationException, IOException, SAXException, TransformerException, InterruptedException {
+        File monitorConfig = new File(System.getProperty("user.home") + "/.config/monitors.xml");
+
+        if(!monitorConfig.exists())
+        {
+            System.out.println("File \"monitors.xml\" does not exist! Quitting...");
+            System.exit(1);
+        }
+
+        if(!loadConfig())
+        {
+            System.out.println("Error loading \"config.yml\"! Quitting...");
+            System.exit(1);
+        }
+
+        if(!enable)
+        {
+            System.out.println("Script disabled! Enable it by setting \"enabled: true\" in config.yml!");
+            System.exit(0);
+        }
+
+        DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
+        DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
+        Document doc = documentBuilder.parse(monitorConfig);
+
+        Element rootElement = doc.getDocumentElement();
+        System.out.println("Main element: " + rootElement.getNodeName());
+
+        NodeList rootNodes = rootElement.getElementsByTagName("configuration");
+        Node configuration = rootNodes.item(0);
+        System.out.println("1 - Current node: " + configuration.getNodeName());
+        NodeList logicalMonitors = configuration.getChildNodes();
+        for(int pos = 0; pos < logicalMonitors.getLength(); pos++)
+        {
+            Node logicalMonitor = logicalMonitors.item(pos);
+            if(!logicalMonitor.getNodeName().equalsIgnoreCase("logicalmonitor")) continue;
+            System.out.println("    2 - Current node: " + logicalMonitor.getNodeName());
+            Node scale = getNodeByName("scale", logicalMonitor.getChildNodes());
+            System.out.println("        3A - current node: " + scale.getNodeName());
+            System.out.println("            Current scale: " + scale.getTextContent());
+            Node monitor = getNodeByName("monitor", logicalMonitor.getChildNodes());
+            System.out.println("        3B - current node: " + monitor.getNodeName());
+            Node monitorspec = getNodeByName("monitorspec", monitor.getChildNodes());
+            System.out.println("            4 - current node: " + monitorspec.getNodeName());
+            Node connector = getNodeByName("connector", monitorspec.getChildNodes());
+            System.out.println("                    5 - current node: " + connector.getNodeName());
+            System.out.println("                        Current connector: " + connector.getTextContent());
+
+            String connectorValue = connector.getTextContent();
+
+            if(connectorValue.equalsIgnoreCase(monitorConnector))
+            {
+                scale.setTextContent("1");
+                saveFile(doc, monitorConfig);
+                restartGnome();
+
+                Thread.sleep(restartDelay);
+                scale.setTextContent(monitorScale + "");
+                saveFile(doc, monitorConfig);
+                restartGnome();
+
+                return;
+            }
+
+        }
+    }
+
+    private static Node getNodeByName(String name, NodeList list)
+    {
+        for(int pos = 0; pos < list.getLength(); pos++)
+        {
+            Node current = list.item(pos);
+            if(current.getNodeName().equalsIgnoreCase(name)) return current;
+        }
+
+        return null;
+    }
+
+    private static void restartGnome() throws IOException, InterruptedException {
+        String s;
+
+        InputStream stream = Main.class.getResourceAsStream("/restart.sh");
+        File script = new File("restart.sh");
+        if(!script.exists())
+        {
+            System.out.println("Extracting restart script...");
+            Files.copy(stream, script.getAbsoluteFile().toPath());
+            System.out.println("Done!");
+        }
+
+        System.out.println("Restarting GNOME...");
+        script.setExecutable(true);
+        Process process = Runtime.getRuntime().exec(script.getAbsolutePath());
+
+        BufferedReader br = new BufferedReader(new InputStreamReader(process.getInputStream()));
+
+        while((s = br.readLine()) != null)
+        {
+            System.out.println("line: " + s);
+        }
+
+        process.waitFor();
+        System.out.println ("exit: " + process.exitValue());
+        process.destroy();
+    }
+
+    private static void saveFile(Document doc, File file) throws TransformerException {
+        TransformerFactory transformerFactory = TransformerFactory.newInstance();
+        Transformer transformer = transformerFactory.newTransformer();
+        transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
+        transformer.transform(new DOMSource(doc), new StreamResult(file));
+    }
+
+    private static boolean loadConfig()
+    {
+        InputStream stream = Main.class.getResourceAsStream("/config.yml");
+        File config = new File("config.yml");
+        if(!config.exists())
+        {
+            System.out.println("Extracting config...");
+            try
+            {
+                Files.copy(stream, config.getAbsoluteFile().toPath());
+            } catch (IOException e)
+            {
+                e.printStackTrace();
+                return false;
+            }
+            System.out.println("Done!");
+        }
+
+        System.out.println("Loading config...");
+        Yaml configYaml = new Yaml();
+        Map<String, Object> contents;
+        try
+        {
+            contents = configYaml.load(new FileInputStream(config));
+        } catch (FileNotFoundException e)
+        {
+            e.printStackTrace();
+            return false;
+        }
+        enable = (boolean) contents.get("enable");
+        restartDelay = (int) contents.get("delay");
+        monitorScale = (double) contents.get("scale");
+        monitorConnector = (String) contents.get("monitor-connector");
+        System.out.println("Done!");
+        System.out.println("Enabled: " + enable);
+        System.out.println("Delay: " + restartDelay);
+        System.out.println("Monitor name: " + monitorConnector);
+        System.out.println("Monitor scale: " + monitorScale);
+        return true;
+    }
+}

src/main/resources/META-INF/MANIFEST.MF

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+Manifest-Version: 1.0
+Main-Class: net.mindoverflow.tools.ssf.Main
+