ControllerApplication.java

/*
 * Copyright (C) 2014 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package ro.pippo.controller;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import ro.pippo.controller.extractor.MethodParameterExtractor;
import ro.pippo.core.Application;
import ro.pippo.core.PippoSettings;
import ro.pippo.core.util.ServiceLocator;

import java.util.Arrays;
import java.util.List;

/**
 * @author Decebal Suiu
 */
public class ControllerApplication extends Application {

    private static final Logger log = LoggerFactory.getLogger(ControllerApplication.class);

    private ControllerInstantiationListenerList controllerInstantiationListeners;
    private ControllerInitializationListenerList controllerInitializationListeners;
    private ControllerInvokeListenerList controllerInvokeListeners;

    private ControllerFactory controllerFactory;
    private List<MethodParameterExtractor> extractors;

    public ControllerApplication() {
        super();
    }

    public ControllerApplication(PippoSettings settings) {
        super(settings);
    }

    public ControllerInstantiationListenerList getControllerInstantiationListeners() {
        if (controllerInstantiationListeners == null) {
            controllerInstantiationListeners = new ControllerInstantiationListenerList();
        }

        return controllerInstantiationListeners;
    }

    public ControllerInitializationListenerList getControllerInitializationListeners() {
        if (controllerInitializationListeners == null) {
            controllerInitializationListeners = new ControllerInitializationListenerList();
        }

        return controllerInitializationListeners;
    }

    public ControllerInvokeListenerList getControllerInvokeListeners() {
        if (controllerInvokeListeners == null) {
            controllerInvokeListeners = new ControllerInvokeListenerList();
        }

        return controllerInvokeListeners;
    }

    public ControllerFactory getControllerFactory() {
        if (controllerFactory == null) {
            controllerFactory = new DefaultControllerFactory();
        }

        return controllerFactory;
    }

    public ControllerApplication setControllerFactory(ControllerFactory controllerFactory) {
        this.controllerFactory = controllerFactory;
        log.debug("Controller factory is '{}'", controllerFactory.getClass().getName());

        return this;
    }

    public ControllerApplication addExtractors(MethodParameterExtractor... extractors) {
        getExtractors().addAll(Arrays.asList(extractors));

        return this;
    }

    public List<MethodParameterExtractor> getExtractors() {
        if (extractors == null) {
            extractors = ServiceLocator.locateAll(MethodParameterExtractor.class);
        }

        return extractors;
    }

    public ControllerApplication addControllers(String... packageNames) {
        ControllerRegistry controllerRegistry = new ControllerRegistry(this);
        controllerRegistry.register(packageNames);
        controllerRegistry.getRoutes().forEach(this::addRoute);

        return this;
    }

    public ControllerApplication addControllers(Package... packages) {
        ControllerRegistry controllerRegistry = new ControllerRegistry(this);
        controllerRegistry.register(packages);
        controllerRegistry.getRoutes().forEach(this::addRoute);

        return this;
    }

    public ControllerApplication addControllers(Class<? extends Controller>... controllerClasses) {
        ControllerRegistry controllerRegistry = new ControllerRegistry(this);
        controllerRegistry.register(controllerClasses);
        controllerRegistry.getRoutes().forEach(this::addRoute);

        return this;
    }

    public ControllerApplication addControllers(Controller... controllers) {
        ControllerRegistry controllerRegistry = new ControllerRegistry(this);
        controllerRegistry.register(controllers);
        controllerRegistry.getRoutes().forEach(this::addRoute);

        return this;
    }

}