Add support for -p and -u command line arguments

src/main/java/org/buddha/perforce/patch/fx/FXMLController.java

@@ -138,18 +138,32 @@ public void initialize(URL url, ResourceBundle rb) {
         changeListField.setDisable(true);
         workspaceField.setDisable(true);
         generatePatchButton.setDisable(true);
-        p4PortField.setText(prefs.getP4port());
-        userNameField.setText(prefs.getUsername());
-        passwordField.setText(prefs.getPassword());
-		workspaceField.getSelectionModel().selectedItemProperty().addListener(new ChangeListener() {
-			@Override
-			public void changed(ObservableValue observable, Object oldValue, Object newValue) {
-				if(changelists != null && changelists.containsKey(newValue)) {
-					changeListField.getItems().setAll(changelists.get(newValue));
-					changeListField.getSelectionModel().selectFirst();
-				}
-			}
-		});
+        if (!MainApp.options.isEmpty()) {
+            try {
+            p4PortField.setText(MainApp.options.get("-p").toString());
+            } catch (Exception e) {
+                console.appendText("Unable to get port from command line.\n");
+            }
+            try {
+                userNameField.setText(MainApp.options.get("-u").toString());
+            } catch (Exception e) {
+                console.appendText("Unable to get user from command line.\n");
+            }
+
+        } else {
+            p4PortField.setText(prefs.getP4port());
+            userNameField.setText(prefs.getUsername());
+            passwordField.setText(prefs.getPassword());
+        }
+	workspaceField.getSelectionModel().selectedItemProperty().addListener(new ChangeListener() {
+            @Override
+            public void changed(ObservableValue observable, Object oldValue, Object newValue) {
+                if(changelists != null && changelists.containsKey(newValue)) {
+                    changeListField.getItems().setAll(changelists.get(newValue));
+                    changeListField.getSelectionModel().selectFirst();
+                }
+            }
+	});
     }
 
 	private ChangeListener<String> getLoggerListener() {

src/main/java/org/buddha/perforce/patch/fx/MainApp.java

@@ -3,6 +3,7 @@
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.net.URL;
+import java.util.HashMap;
 import javafx.application.Application;
 import static javafx.application.Application.launch;
 import javafx.event.EventHandler;
@@ -15,8 +16,11 @@
 import javax.swing.ImageIcon;
 import org.buddha.perforce.patch.util.P4Manager;
 import org.buddha.perforce.patch.Config;
+import org.buddha.perforce.patch.util.StringUtils;
 
 public class MainApp extends Application {
+
+    static HashMap options = new HashMap();
 
     @Override
     public void start(Stage stage) throws Exception {
@@ -62,6 +66,7 @@ public void handle(WindowEvent we) {
      * @param args the command line arguments
      */
     public static void main(String[] args) {
+        options = StringUtils.parseArgs(args);
         launch(args);
     }
 

src/main/java/org/buddha/perforce/patch/util/StringUtils.java

@@ -2,6 +2,7 @@
 
 import java.io.PrintWriter;
 import java.io.StringWriter;
+import java.util.HashMap;
 import java.util.List;
 import org.buddha.perforce.patch.Item;
 
@@ -37,4 +38,30 @@ public static String exceptionToString(Exception ex) {
         ex.printStackTrace(new PrintWriter(writer));
         return writer.toString();
     }
+
+    public static HashMap parseArgs(String[] args) {
+        HashMap results = new HashMap();
+        for (int i = 0; i <= args.length - 1; i++) {
+            String value = "";
+            if (args[i].indexOf("-") == 0) {
+                if (args[i].length() == 2) {
+                    try {
+                        value = args[i+1];
+                    } catch (Exception e) {
+                        System.out.println("Unable to get value after flag '" + args[i] + "'" );
+                    }
+                } else if (args[i].length() > 2) {
+                    value = args[i].substring(2);
+                } else if (args[i].length() == 1) {
+                    System.out.println("Invalid flag");
+                }
+                if (args[i].charAt(1) == 'p') {
+                    results.put("-p", value);
+                } else if (args[i].charAt(1) == 'u') {
+                    results.put("-u", value);
+                }
+            }       
+        }
+        return results;
+    }
 }