Launcher update component and CL option. (backport)

git-svn-id: http://svn.dmdirc.com/branches/0.5.5@3060 00569f92-eb28-0410-84fd-f71c24880f

src/com/dmdirc/commandline/CommandLineParser.java

@@ -26,9 +26,10 @@ import com.dmdirc.util.InvalidAddressException;
 import com.dmdirc.util.IrcAddress;
 import com.dmdirc.Main;
 import com.dmdirc.config.IdentityManager;
+import com.dmdirc.updater.components.LauncherComponent;
 import com.dmdirc.util.resourcemanager.ResourceManager;
-import java.rmi.RemoteException;
 
+import java.rmi.RemoteException;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -49,6 +50,7 @@ public class CommandLineParser {
         {'d', "directory", "Use the specified configuration directory", Boolean.TRUE},
         {'e', "existing", "Try to use an existing instance of DMDirc (use with -c)", Boolean.FALSE},
         {'h', "help", "Show command line options and exit", Boolean.FALSE},
+        {'l', "launcher", "Specifies the version of DMDirc's launcher", Boolean.TRUE},
         {'p', "portable", "Enable portable mode", Boolean.FALSE},
         {'r', "disable-reporting", "Disable automatic error reporting", Boolean.FALSE},
         {'v', "version", "Display client version and exit", Boolean.FALSE},
@@ -63,6 +65,9 @@ public class CommandLineParser {
     /** Whether or not to try and use an existing client. */
     private boolean useExisting = false;
     
+    /** The version string passed for the launcher. */
+    private String launcherVersion = "";
+    
     /**
      * Creates a new instance of CommandLineParser.
      *
@@ -194,6 +199,9 @@ public class CommandLineParser {
         case 'h':
             doHelp();
             break;
+        case 'l':
+            launcherVersion = param;
+            break;
         case 'p':
             doDirectory(ResourceManager.getCurrentWorkingDirectory());
             break;
@@ -312,6 +320,10 @@ public class CommandLineParser {
         if (disablereporting) {
             IdentityManager.getConfigIdentity().setOption("temp", "noerrorreporting", true);
         }
+        
+        if (!launcherVersion.isEmpty()) {
+            LauncherComponent.setLauncherInfo(launcherVersion);
+        }
     }
     
     /**

src/com/dmdirc/updater/components/LauncherComponent.java

@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2006-2007 Chris Smith, Shane Mc Cormack, Gregory Holmes
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package com.dmdirc.updater.components;
+
+import com.dmdirc.updater.UpdateChecker;
+import com.dmdirc.updater.UpdateComponent;
+
+/**
+ * Component for updates of DMDirc's launcher.
+ * 
+ * @author chris
+ */
+public class LauncherComponent implements UpdateComponent {
+    
+    /** The platform of our current launcher. */
+    private static String platform = "";
+    
+    /** The version of our current launcher. */
+    private static int version = -1;
+    
+    /**
+     * Parses the specified launcher information.
+     * 
+     * @param info The platform and version of the launcher, separated by '-'.
+     */
+    public static void setLauncherInfo(final String info) {
+        final int hpos = info.indexOf('-');
+        
+        if (hpos == -1) {
+            return;
+        }
+        
+        try {
+            platform = info.substring(0, hpos);
+            version = Integer.parseInt(info.substring(hpos + 1));
+        } catch (NumberFormatException ex) {
+            return;
+        }
+        
+        UpdateChecker.registerComponent(new LauncherComponent());
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public String getName() {
+        return "launcher-" + platform;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public int getVersion() {
+        return version;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void doInstall(final String path) throws Throwable {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+}