Support setting and getting properties

src/main/java/io/github/lonamiwebs/overgram/generator/Generator.java

@@ -77,23 +77,44 @@ public class Generator {
                 writer.write(" {\n");
 
                 for (int i = 0; i < object.args.size(); ++i) {
-                    if (object.args.get(i).genericDefinition || object.args.get(i).flags) {
+                    final TLArg arg = object.args.get(i);
+                    if (arg.genericDefinition || arg.flags) {
                         continue;
                     }
                     writer.write("private ");
-                    writer.write(object.args.get(i).javaType());
+                    writer.write(arg.javaType());
                     writer.write(" " + VARIABLE_SUFFIX + i);
                     writer.write(";\n");
+
+                    // Use the builder pattern because Java is stupid and has no optional named arguments.
+                    // Objects will be created with nothing set and the arguments set with .argument(value).
+                    writer.write("public ");
+                    writer.write(TLObject.toCamelCase(object.name));
+                    writer.write(' ');
+                    writer.write(arg.javaName());
+                    writer.write('(');
+                    writer.write(arg.javaType());
+                    writer.write(" value) {\n");
+                    writer.write(VARIABLE_SUFFIX + i);
+                    writer.write(" = value;\n");
+                    writer.write("return this;\n");
+                    writer.write("}\n");
+
+                    // Also allow getting the values in a similar manner without input value .argument()
+                    writer.write("public ");
+                    writer.write(arg.javaType());
+                    writer.write(' ');
+                    writer.write(arg.javaName());
+                    writer.write("() {\n");
+                    writer.write("return " + VARIABLE_SUFFIX + i);
+                    writer.write(";\n");
+                    writer.write("}\n");
                 }
 
                 writer.write("public ");
                 writer.write(TLObject.toCamelCase(object.name));
                 writer.write("() {}\n");
 
-                // Use the builder pattern because Java is stupid and has no optional named arguments.
-                // Objects will be created with nothing set and the arguments set with .argument(value).
-                // TODO
-
                 writeSerialize(writer, object);
                 writeDeserialize(writer, object);
 

src/main/java/io/github/lonamiwebs/overgram/parser/TLArg.java

@@ -131,6 +131,43 @@ public class TLArg {
         return types.size() == 1 && types.get(0).equals("true") ? "" : " != null";
     }
 
+    public static String toCamelCase(final String string) {
+        final StringBuilder result = new StringBuilder(string.length());
+        result.append(Character.toLowerCase(string.charAt(0)));
+        boolean upperNext = false;
+        for (int i = 1; i < string.length(); ++i) {
+            final char c = string.charAt(i);
+            if (c == '_') {
+                upperNext = true;
+            } else if (upperNext) {
+                upperNext = false;
+                result.append(Character.toUpperCase(c));
+            } else {
+                result.append(Character.toLowerCase(c));
+            }
+        }
+        return result.toString();
+    }
+
+    public String javaName() {
+        switch (name) {
+            case "lat":
+                return "latitude"; // not reserved but consistent
+            case "long":
+                return "longitude";
+            case "static":
+                return "isStatic";
+            case "public":
+                return "isPublic";
+            case "private":
+                return "isPrivate";
+            case "final":
+                return "last";
+            default:
+                return toCamelCase(name);
+        }
+    }
+
     @Override
     public String toString() {
         final StringBuilder builder = new StringBuilder();