Add Constroller system; a class that contains 0-N methods with Route's annotation; can have Matcher, Context, Reader or Write, or none of them

src/dev/peerat/framework/DependencyInjector.java

@@ -13,10 +13,12 @@ public class DependencyInjector{
 	private Map<String, Object> map;
 	private List<BiFunction<Constructor<?>, Parameter, Object>> builders;
 	private Object[] injections;
+	private Map<Class<?>, Object> cache;
 	
 	public DependencyInjector(){
 		this.map = new HashMap<>();
 		this.builders = new ArrayList<>();
+		this.cache = new HashMap<>();
 	}
 	
 	public DependencyInjector of(String name, Object value){
@@ -41,7 +43,7 @@ public class DependencyInjector{
 		return this;
 	}
 
-	Object applyDependency(Constructor<?> constructor, Parameter parameter, Map<Class<?>, Object> cache){
+	Object applyDependency(Constructor<?> constructor, Parameter parameter){
 		Injection annotation = parameter.getAnnotation(Injection.class);
 		if(annotation != null){
 			Object result = this.map.get(annotation.value());
@@ -52,8 +54,8 @@ public class DependencyInjector{
 			Object result = function.apply(constructor, parameter);
 			if(result != null) return result;
 		}
-		if(this.injections == null) return null;
 		Class<?> type = parameter.getType();
+		if(this.injections == null) throw new IllegalArgumentException("No dependency for type "+type+" in constructor "+constructor);
 		Object result = null;
 		for(Object injection : injections){
 			if(type.isAssignableFrom(injection.getClass())){
@@ -65,6 +67,7 @@ public class DependencyInjector{
 				}
 			}
 		}
+		if(result == null) throw new IllegalArgumentException("No dependency for type "+type+" in constructor "+constructor);
 		return result;
 	}
 }

src/dev/peerat/framework/RouteMapper.java

@@ -12,73 +12,61 @@ public class RouteMapper<U extends User>{
 	
 	private Router<U> router;
 	
-	private Response[] responses;
-	private Method[] methods;
-	private Route[] routes;
-	private Pattern[] patterns;
+	private RouteState[] states;
 	private int[] calls;
 	private int dif;
 	
 	public RouteMapper(Router<U> router){
 		this.router = router;
-		this.responses = new Response[0];
-		this.methods = new Method[0];
-		this.routes = new Route[0];
-		this.patterns = new Pattern[0];
+		this.states = new RouteState[0];
 	}
 
-	public void register(Response response, Method method, Route route, Pattern pattern){
-		int length = responses.length+1;
-		this.responses = addElement(responses, new Response[length], response);
-		this.methods = addElement(methods, new Method[length], method);
-		this.routes = addElement(routes, new Route[length], route);
-		this.patterns = addElement(patterns, new Pattern[length], pattern);
+	public void register(Object instance, Method method, Route route){
+		int length = states.length+1;
+		this.states = addElement(states, new RouteState[length], new RouteState(instance, method, route));
 		if(this.calls != null) this.calls = new int[length];
 	}
 	
 	public void activeReOrdering(){
-		this.calls = new int[responses.length];
+		this.calls = new int[states.length];
 		this.dif = 2;
 	}
 	
 	public boolean exec(Context context, HttpReader reader, HttpWriter writer, List<RouteInterceptor> interceptors) throws Exception{
-		Response response = null;
-		Method method = null;
+		RouteState target = null;
 		Matcher matcher = null;
 		
 		String path = context.getPath();
 		
-		synchronized(responses){
-			for(int i = 0; i < responses.length; i++){
-				Route route = routes[i];
-				Pattern pattern = patterns[i];
-				matcher = pattern.matcher(path);
-				if(matcher.matches()){
-					if(route.websocket()){
+		synchronized(states){
+			for(int i = 0; i < states.length; i++){
+				RouteState state = states[i];
+				matcher = state.match(path);
+				if(matcher != null){
+					if(state.isWebSocket()){
 						switchToWebSocket(reader, writer);
 						reader = new WebSocketReader(reader);
 						writer = new WebSocketWriter(writer);
-						if(route.needLogin()){
+						if(state.needLogin()){
 							String token = reader.<JsonMap>readJson().get("token");
 							context.setUser(this.router.getUser(token));
 						}
 					}
-					if((!context.isLogged()) && route.needLogin()){
+					if((!context.isLogged()) && state.needLogin()){
 						writer.response(401, router.getDefaultHeaders(context.getType()));
 						return true;
 					}
-					response = responses[i];
-					method = methods[i];
+					target = state;
 					order(i);
 					break;
 				}
 			}
 		}
-		if(response != null){
+		if(target != null){
 			for(RouteInterceptor interceptor : interceptors){
-				if(!interceptor.intercept(matcher, context, reader, writer, method)) return true;
+				if(!interceptor.intercept(matcher, context, reader, writer, target.getMethod())) return true;
 			}
-			response.exec(matcher, context, reader, writer);
+			target.getMethod().invoke(target.getInstance(), target.bindMethod(matcher, context, reader, writer));
 			return true;
 		}
 		return false;
@@ -94,10 +82,7 @@ public class RouteMapper<U extends User>{
 		}
 		if(index < 1) return;
 		if(call > this.calls[index-1]){
-			switchElement(responses, index, index-1);
-			switchElement(methods, index, index-1);
-			switchElement(routes, index, index-1);
-			switchElement(patterns, index, index-1);
+			switchElement(states, index, index-1);
 			
 			this.calls[index] = this.calls[index-1];
 			this.calls[index-1] = call;

src/dev/peerat/framework/RouteState.java

@@ -0,0 +1,72 @@
+package dev.peerat.framework;
+
+import java.lang.reflect.Method;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class RouteState {
+	
+	private Object instance;
+	private Method method;
+	private Route route;
+	private Pattern pattern;
+	private int[] bindMethod;
+	
+	public RouteState(Object instance, Method method, Route route){
+		this.instance = instance;
+		this.method = method;
+		this.route = route;
+		this.pattern = Pattern.compile(route.path());
+		
+		Class<?>[] parameters = method.getParameterTypes();
+		this.bindMethod = new int[4];
+		this.bindMethod[0] = findIndex(parameters, Matcher.class);
+		this.bindMethod[1] = findIndex(parameters, Context.class);
+		this.bindMethod[2] = findIndex(parameters, HttpReader.class);
+		this.bindMethod[3] = findIndex(parameters, HttpWriter.class);
+	}
+	
+	public Matcher match(String path){
+		Matcher matcher = pattern.matcher(path);
+		return matcher.matches() ? matcher : null;
+	}
+	
+	public boolean isWebSocket(){
+		return route.websocket();
+	}
+	
+	public boolean needLogin(){
+		return route.needLogin();
+	}
+	
+	public Method getMethod(){
+		return this.method;
+	}
+	
+	public Object getInstance(){
+		return this.instance;
+	}
+	
+	public Object[] bindMethod(Matcher matcher, Context context, HttpReader reader, HttpWriter writer){
+		Object[] result = new Object[method.getParameterCount()];
+		setElement(result, bindMethod[0], matcher);
+		setElement(result, bindMethod[1], context);
+		setElement(result, bindMethod[2], reader);
+		setElement(result, bindMethod[3], writer);
+		return result;
+	}
+	
+	private void setElement(Object[] array, int position, Object element){
+		if(position < 0) return;
+		array[position] = element; 
+	}
+	
+	private int findIndex(Class<?>[] array, Class<?> type){
+		for(int i = 0; i < array.length; i++){
+			Class<?> clazz = array[i];
+			if(type.isAssignableFrom(clazz)) return i;
+		}
+		return -1;
+	}
+
+}

src/dev/peerat/framework/Router.java

@@ -105,13 +105,33 @@ public class Router<U extends User>{
 					Response.class.getDeclaredMethods()[0].getParameterTypes());
 			Route route = method.getAnnotation(Route.class);
 
-			this.mappers[route.type().ordinal()].register(response, method, route, Pattern.compile(route.path()));
+			this.mappers[route.type().ordinal()].register(response, method, route);
 		}catch(Exception e){
 			throw new IllegalArgumentException(e);
 		}
 		return this;
 	}
 	
+	public Router<U> registerClass(Class<?> clazz, Object... injections) throws Exception{
+		return registerClass(clazz, new DependencyInjector().of(injections));
+	}
+	
+	public Router<U> registerClass(Class<?> clazz, DependencyInjector injector) throws Exception{
+		Constructor<?>[] constructors = clazz.getDeclaredConstructors();
+		if(constructors.length != 1) throw new IllegalArgumentException("Class with multiple constructor. Not supported by this framework for the moment.");
+		Object instance = injectDependencies(constructors[0], injector);
+		
+		for(Method method : clazz.getDeclaredMethods()){
+			Route route = method.getAnnotation(Route.class);
+			if(route == null) continue;
+			
+			this.mappers[route.type().ordinal()].register(instance, method, route);
+			System.out.println("Registered route "+method+" ["+route.type()+" "+route.path()+"]");
+		}
+		
+		return this;
+	}
+	
 	public Router<U> registerPackages(Object... injections){
 		return registerPackages(new DependencyInjector().of(injections));
 	}
@@ -131,16 +151,10 @@ public class Router<U extends User>{
 		try{
 			BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
 			String line;
-			Map<Class<?>, Object> cache = new HashMap<>();
 			while((line = reader.readLine()) != null){
 				if(line.endsWith(".class")){
 					Class<?> clazz = Class.forName(name+"."+line.substring(0, line.lastIndexOf('.')));
-					if(Response.class.isAssignableFrom(clazz)){
-						if(clazz.equals(Response.class)) continue;
-						Constructor<?>[] constructors = clazz.getDeclaredConstructors();
-						if(constructors.length != 1) continue;
-						injectDependencies(constructors[0], cache, injector);
-					}
+					registerClass(clazz, injector);
 				}else{
 					registerPackages(name+"."+line, injector);
 				}
@@ -153,24 +167,11 @@ public class Router<U extends User>{
 		return this;
 	}
 	
-	private void injectDependencies(Constructor<?> constructor, Map<Class<?>, Object> cache, DependencyInjector injector){
+	private Object injectDependencies(Constructor<?> constructor, DependencyInjector injector) throws Exception{
 		Parameter[] parameters = constructor.getParameters();
 		Object[] injections = new Object[parameters.length];
-		for(int i = 0; i < parameters.length; i++){
-			Parameter parameter = parameters[i];
-			Class<?> type = parameter.getType();
-			Object dependency = cache.get(type);
-			if(dependency != null) injections[i] = dependency;
-			else if((injections[i] = injector.applyDependency(constructor, parameter, cache)) == null) throw new IllegalArgumentException("No dependency for type "+type+" in constructor "+constructor);
-		}
-		try {
-			Response response = (Response) constructor.newInstance(injections);
-			register(response);
-			System.out.println("registerd "+response.getClass());
-		} catch (Exception e){
-			e.printStackTrace();
-		}
-		
+		for(int i = 0; i < parameters.length; i++) injections[i] = injector.applyDependency(constructor, parameters[i]);
+		return constructor.newInstance(injections);		
 	}
 
 	public Router<U> setDefault(Response response){