Continuing implementation of XML settings.

pom.xml

@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>me.StevenLawson</groupId>
     <artifactId>BukkitTelnetClient</artifactId>
-    <version>2.0.3</version>
+    <version>2.0.4-SNAPSHOT</version>
     <packaging>jar</packaging>
     <build>
         <plugins>
@@ -48,6 +48,11 @@
             <artifactId>json</artifactId>
             <version>20140107</version>
         </dependency>
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>2.4</version>
+        </dependency>
     </dependencies>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

src/main/java/me/StevenLawson/BukkitTelnetClient/BTC_ConfigLoader.java

@@ -1,28 +1,209 @@
 package me.StevenLawson.BukkitTelnetClient;
 
-import java.io.File;
-import java.util.ArrayList;
-import java.util.List;
+import java.io.*;
+import java.util.*;
 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 org.w3c.dom.DOMException;
-import org.w3c.dom.Document;
-import org.w3c.dom.Element;
+import org.apache.commons.io.FileUtils;
+import org.w3c.dom.*;
 
 public class BTC_ConfigLoader
 {
-    public static class PlayerListCommand
+    private static final String SETTINGS_FILE = "settings.xml";
+
+    private final List<PlayerCommandEntry> playerCommands = new ArrayList<>();
+    private final List<ServerEntry> servers = new ArrayList<>();
+
+    public BTC_ConfigLoader()
+    {
+    }
+
+    public boolean load(boolean verbose)
+    {
+        File settings = new File("settings.xml");
+
+        if (!settings.exists())
+        {
+            if (extractFileFromJar("/" + SETTINGS_FILE, SETTINGS_FILE))
+            {
+                if (verbose)
+                {
+                    System.out.println("Copied default " + SETTINGS_FILE + ".");
+                }
+            }
+        }
+
+        if (settings.exists())
+        {
+            boolean loadError = loadXML(settings);
+
+            final List<ServerEntry> oldServers = importOldConfig();
+            this.servers.addAll(oldServers);
+
+            final HashSet<ServerEntry> uniqueServers = new HashSet<>(this.servers);
+            this.servers.clear();
+            this.servers.addAll(uniqueServers);
+
+            generateXML(settings);
+
+            if (verbose)
+            {
+                if (loadError)
+                {
+                    System.out.println("Settings loaded with errors.");
+                }
+                else
+                {
+                    System.out.println("Settings loaded.");
+                }
+            }
+
+            return true;
+        }
+        else
+        {
+            if (verbose)
+            {
+                System.out.println("Can't load " + SETTINGS_FILE + ".");
+            }
+        }
+
+        return false;
+    }
+
+    public boolean save()
+    {
+        return generateXML(new File(SETTINGS_FILE));
+    }
+
+    public List<PlayerCommandEntry> getCommands()
+    {
+        return this.playerCommands;
+    }
+
+    public List<ServerEntry> getServers()
+    {
+        return this.servers;
+    }
+
+    private boolean generateXML(final File file)
+    {
+        try
+        {
+            final Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
+
+            final Element rootElement = doc.createElement("configuration");
+            doc.appendChild(rootElement);
+
+            rootElement.appendChild(PlayerCommandEntry.listToXML(this.playerCommands, doc));
+            rootElement.appendChild(ServerEntry.listToXML(this.servers, doc));
+
+            final Transformer transformer = TransformerFactory.newInstance().newTransformer();
+            transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
+            transformer.setOutputProperty(OutputKeys.INDENT, "yes");
+
+            transformer.transform(new DOMSource(doc), new StreamResult(file));
+
+            return true;
+        }
+        catch (Exception ex)
+        {
+            ex.printStackTrace();
+        }
+
+        return false;
+    }
+
+    private boolean loadXML(final File file)
+    {
+        boolean hadErrors = false;
+
+        try
+        {
+            final Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(file);
+            doc.getDocumentElement().normalize();
+
+            if (!PlayerCommandEntry.xmlToList(this.playerCommands, doc))
+            {
+                System.out.println("Error loading playerCommands.");
+                hadErrors = true;
+            }
+
+            if (!ServerEntry.xmlToList(this.servers, doc))
+            {
+                System.out.println("Error loading servers.");
+                hadErrors = true;
+            }
+        }
+        catch (Exception ex)
+        {
+            ex.printStackTrace();
+            hadErrors = true;
+        }
+
+        return hadErrors;
+    }
+
+    private static boolean extractFileFromJar(final String resourceName, final String fileName)
+    {
+        final InputStream resource = BTC_ConfigLoader.class.getResourceAsStream(resourceName);
+        if (resource != null)
+        {
+            final File destination = new File(fileName);
+            try
+            {
+                FileUtils.copyInputStreamToFile(resource, destination);
+                return true;
+            }
+            catch (IOException ex)
+            {
+                ex.printStackTrace();
+            }
+        }
+
+        return false;
+    }
+
+    private static List<ServerEntry> importOldConfig()
+    {
+        final List<ServerEntry> oldServers = new ArrayList<>();
+
+        try
+        {
+            final File file = new File("btc_servers.cfg");
+            if (file.exists())
+            {
+                try (final BufferedReader in = new BufferedReader(new FileReader(file)))
+                {
+                    String line;
+                    while ((line = in.readLine()) != null)
+                    {
+                        line = line.trim();
+                        oldServers.add(new ServerEntry("imported", line));
+                    }
+                }
+
+                FileUtils.moveFile(file, new File("btc_servers.cfg.bak"));
+            }
+        }
+        catch (IOException ex)
+        {
+            ex.printStackTrace();
+        }
+
+        return oldServers;
+    }
+
+    public static class PlayerCommandEntry
     {
         private final String name;
         private final String format;
 
-        public PlayerListCommand(String name, String format)
+        public PlayerCommandEntry(String name, String format)
         {
             this.name = name;
             this.format = format;
@@ -37,43 +218,14 @@ public class BTC_ConfigLoader
         {
             return name;
         }
-    }
 
-    private static final List<PlayerListCommand> COMMANDS = new ArrayList<>();
-
-    static
+        public static Element listToXML(final List<PlayerCommandEntry> playerCommands, final Document doc)
         {
-        COMMANDS.add(new PlayerListCommand("Ban", "glist ban %s"));
-        COMMANDS.add(new PlayerListCommand("Toggle Mute", "mute %s"));
-        COMMANDS.add(new PlayerListCommand("Kick", "tempban %s 10s Kicked"));
-        COMMANDS.add(new PlayerListCommand("Tempban 5m", "tempban %s 5m"));
-        COMMANDS.add(new PlayerListCommand("Smite", "smite %s"));
-        COMMANDS.add(new PlayerListCommand("Op", "op %s"));
-        COMMANDS.add(new PlayerListCommand("Deop", "deop %s"));
-        COMMANDS.add(new PlayerListCommand("GTFO", "gtfo %s"));
-        COMMANDS.add(new PlayerListCommand("Toggle Freeze", "fr %s"));
-        COMMANDS.add(new PlayerListCommand("Cage", "cage %s"));
-        COMMANDS.add(new PlayerListCommand("Uncage", "cage %s off"));
-        COMMANDS.add(new PlayerListCommand("Doom", "doom %s"));
-        COMMANDS.add(new PlayerListCommand("Creative", "creative %s"));
-        COMMANDS.add(new PlayerListCommand("Survival", "survival %s"));
-    }
+            final Element plcElement = doc.createElement("playerCommands");
 
-    public BTC_ConfigLoader()
+            for (final PlayerCommandEntry command : playerCommands)
             {
-        try
-        {
-            final Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
-
-            final Element rootElement = doc.createElement("configuration");
-            doc.appendChild(rootElement);
-
-            final Element plcElement = doc.createElement("playerListCommands");
-            rootElement.appendChild(plcElement);
-
-            for (final PlayerListCommand command : COMMANDS)
-            {
-                final Element commandElement = doc.createElement("command");
+                final Element commandElement = doc.createElement("playerCommand");
                 plcElement.appendChild(commandElement);
 
                 final Element commandName = doc.createElement("name");
@@ -85,15 +237,147 @@ public class BTC_ConfigLoader
                 commandElement.appendChild(commandFormat);
             }
 
-            final Transformer transformer = TransformerFactory.newInstance().newTransformer();
-            transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
-            transformer.setOutputProperty(OutputKeys.INDENT, "yes");
+            return plcElement;
+        }
 
-            transformer.transform(new DOMSource(doc), new StreamResult(new File("test.xml")));
-        }
-        catch (ParserConfigurationException | DOMException | IllegalArgumentException | TransformerException ex)
+        public static boolean xmlToList(final List<PlayerCommandEntry> playerCommands, final Document doc)
         {
-            ex.printStackTrace();
+            NodeList playerCommandNodes = doc.getDocumentElement().getElementsByTagName("playerCommands");
+            if (playerCommandNodes.getLength() < 1)
+            {
+                return false;
+            }
+            playerCommandNodes = playerCommandNodes.item(0).getChildNodes();
+
+            playerCommands.clear();
+
+            for (int i = 0; i < playerCommandNodes.getLength(); i++)
+            {
+                final Node node = playerCommandNodes.item(i);
+                if (node.getNodeType() == Node.ELEMENT_NODE)
+                {
+                    final Element element = (Element) node;
+
+                    final PlayerCommandEntry command = new PlayerCommandEntry(
+                            element.getElementsByTagName("name").item(0).getTextContent(),
+                            element.getElementsByTagName("format").item(0).getTextContent()
+                    );
+
+                    playerCommands.add(command);
+                }
+            }
+
+            return true;
+        }
+    }
+
+    public static class ServerEntry
+    {
+        private final String name;
+        private final String address;
+
+        public ServerEntry(final String name, final String address)
+        {
+            this.name = name;
+            this.address = address;
+        }
+
+        public String getName()
+        {
+            return name;
+        }
+
+        public String getAddress()
+        {
+            return address;
+        }
+
+        @Override
+        public int hashCode()
+        {
+            int hash = 7;
+            hash = 67 * hash + Objects.hashCode(this.name);
+            hash = 67 * hash + Objects.hashCode(this.address);
+            return hash;
+        }
+
+        @Override
+        public boolean equals(Object obj)
+        {
+            if (obj == null)
+            {
+                return false;
+            }
+
+            if (getClass() != obj.getClass())
+            {
+                return false;
+            }
+
+            final ServerEntry other = (ServerEntry) obj;
+
+            if (!Objects.equals(this.name, other.name))
+            {
+                return false;
+            }
+
+            if (!Objects.equals(this.address, other.address))
+            {
+                return false;
+            }
+
+            return true;
+        }
+
+        public static Element listToXML(final List<ServerEntry> servers, final Document doc)
+        {
+            final Element serversElement = doc.createElement("servers");
+
+            for (final ServerEntry command : servers)
+            {
+                final Element commandElement = doc.createElement("server");
+                serversElement.appendChild(commandElement);
+
+                final Element serverName = doc.createElement("name");
+                serverName.appendChild(doc.createTextNode(command.getName()));
+                commandElement.appendChild(serverName);
+
+                final Element serverAddress = doc.createElement("address");
+                serverAddress.appendChild(doc.createTextNode(command.getAddress()));
+                commandElement.appendChild(serverAddress);
+            }
+
+            return serversElement;
+        }
+
+        public static boolean xmlToList(final List<ServerEntry> servers, final Document doc)
+        {
+            NodeList serverNodes = doc.getDocumentElement().getElementsByTagName("servers");
+            if (serverNodes.getLength() < 1)
+            {
+                return false;
+            }
+            serverNodes = serverNodes.item(0).getChildNodes();
+
+            servers.clear();
+
+            for (int i = 0; i < serverNodes.getLength(); i++)
+            {
+                final Node node = serverNodes.item(i);
+                if (node.getNodeType() == Node.ELEMENT_NODE)
+                {
+                    final Element element = (Element) node;
+
+                    final ServerEntry server = new ServerEntry(
+                            element.getElementsByTagName("name").item(0).getTextContent(),
+                            element.getElementsByTagName("address").item(0).getTextContent()
+                    );
+
+                    servers.add(server);
+                }
+            }
+
+            return true;
         }
     }
 }

src/main/java/me/StevenLawson/BukkitTelnetClient/BukkitTelnetClient.java

@@ -9,9 +9,12 @@ public class BukkitTelnetClient
     public static final String VERSION_STRING = "v2.0.3";
     public static final Logger LOGGER = Logger.getLogger(BukkitTelnetClient.class.getName());
     public static BTC_MainPanel mainPanel = null;
+    public static BTC_ConfigLoader config = new BTC_ConfigLoader();
 
     public static void main(String args[])
     {
+        config.load(true);
+
         findAndSetLookAndFeel("Windows");
 
         java.awt.EventQueue.invokeLater(new Runnable()

src/main/resources/settings.xml

@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<configuration>
+    <playerCommands>
+        <playerCommand>
+            <name>Ban</name>
+            <format>glist ban %s</format>
+        </playerCommand>
+        <playerCommand>
+            <name>Toggle Mute</name>
+            <format>mute %s</format>
+        </playerCommand>
+        <playerCommand>
+            <name>Kick</name>
+            <format>tempban %s 10s Kicked</format>
+        </playerCommand>
+        <playerCommand>
+            <name>Tempban 5m</name>
+            <format>tempban %s 5m</format>
+        </playerCommand>
+        <playerCommand>
+            <name>Smite</name>
+            <format>smite %s</format>
+        </playerCommand>
+        <playerCommand>
+            <name>Op</name>
+            <format>op %s</format>
+        </playerCommand>
+        <playerCommand>
+            <name>Deop</name>
+            <format>deop %s</format>
+        </playerCommand>
+        <playerCommand>
+            <name>GTFO</name>
+            <format>gtfo %s</format>
+        </playerCommand>
+        <playerCommand>
+            <name>Toggle Freeze</name>
+            <format>fr %s</format>
+        </playerCommand>
+        <playerCommand>
+            <name>Cage</name>
+            <format>cage %s</format>
+        </playerCommand>
+        <playerCommand>
+            <name>Uncage</name>
+            <format>cage %s off</format>
+        </playerCommand>
+        <playerCommand>
+            <name>Doom</name>
+            <format>doom %s</format>
+        </playerCommand>
+        <playerCommand>
+            <name>Creative</name>
+            <format>creative %s</format>
+        </playerCommand>
+        <playerCommand>
+            <name>Survival</name>
+            <format>survival %s</format>
+        </playerCommand>
+    </playerCommands>
+    <servers/>
+</configuration>