com.blade.Blade Maven / Gradle / Ivy
/**
* Copyright (c) 2017, biezhi 王爵 ([email protected])
*
* 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 com.blade;
import com.blade.event.*;
import com.blade.event.EventListener;
import com.blade.exception.BladeException;
import com.blade.ioc.Ioc;
import com.blade.ioc.SimpleIoc;
import com.blade.kit.Assert;
import com.blade.kit.BladeKit;
import com.blade.kit.StringKit;
import com.blade.kit.reload.FileChangeDetector;
import com.blade.loader.BladeLoader;
import com.blade.mvc.Const;
import com.blade.mvc.handler.*;
import com.blade.mvc.hook.WebHook;
import com.blade.mvc.http.HttpMethod;
import com.blade.mvc.http.HttpSession;
import com.blade.mvc.http.Session;
import com.blade.mvc.http.session.SessionManager;
import com.blade.mvc.route.RouteMatcher;
import com.blade.mvc.ui.template.DefaultEngine;
import com.blade.mvc.ui.template.TemplateEngine;
import com.blade.server.Server;
import com.blade.server.netty.NettyServer;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import lombok.NonNull;
import lombok.extern.slf4j.Slf4j;
import lombok.var;
import java.io.IOException;
import java.nio.file.*;
import java.util.*;
import java.util.concurrent.CountDownLatch;
import java.util.function.Consumer;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import static com.blade.mvc.Const.*;
/**
* Blade Core
*
* The Blade is the core operating class of the framework,
* which can be used to register routes,
* modify the template engine, set the file list display,
* static resource directory, and so on.
*
* @author biezhi 2017/5/31
*/
@Slf4j
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class Blade {
/**
* Project middleware list,
* the default is empty, when you use the time you can call the use of methods to add.
*
* Blade provide you with BasicAuthMiddleware, CsrfMiddleware,
* you can customize the implementation of some middleware
*/
private List middleware = new ArrayList<>();
/**
* BeanProcessor list, which stores all the actions that were performed before the project was started
*/
private List processors = new ArrayList<>();
/**
* Blade loader list, which stores all the actions that were performed before the project was started
*/
private List loaders = new ArrayList<>();
/**
* All need to be scanned by the package, when you do not set the time will scan com.blade.plugin package
*/
private Set packages = new LinkedHashSet<>(PLUGIN_PACKAGE_NAME);
/**
* All static resource URL prefixes,
* defaults to "/favicon.ico", "/robots.txt", "/static/", "/upload/", "/webjars/",
* which are located under classpath
*/
private Set statics = new HashSet<>(DEFAULT_STATICS);
/**
* The default IOC container implementation
*/
private Ioc ioc = new SimpleIoc();
/**
* The default template engine implementation, this is a very simple, generally not put into production
*/
private TemplateEngine templateEngine = new DefaultEngine();
/**
* Event manager, which manages all the guys that will trigger events
*/
private EventManager eventManager = new EventManager();
/**
* Session manager, which manages session when you enable session
*/
private SessionManager sessionManager = new SessionManager(eventManager);
/**
* Used to wait for the start to complete the lock
*/
private CountDownLatch latch = new CountDownLatch(1);
/**
* Web server implementation, currently only netty
*/
private Server server = new NettyServer();
/**
* A route matcher that matches whether a route exists
*/
private RouteMatcher routeMatcher = new RouteMatcher();
/**
* Blade environment, which stores the parameters of the app.properties configuration file
*/
private Environment environment = Environment.empty();
/**
* Exception handling, it will output some logs when the error is initiated
*/
private Consumer startupExceptionHandler = (e) -> log.error("Start blade failed", e);
/**
* Exception handler, default is DefaultExceptionHandler.
*
* When you need to customize the handling of exceptions can be inherited from DefaultExceptionHandler
*/
private ExceptionHandler exceptionHandler = new DefaultExceptionHandler();
/**
* Used to identify whether the web server has started
*/
private boolean started = false;
/**
* Project main class, the main category is located in the root directory of the basic package,
* all the features will be in the sub-package below
*/
private Class bootClass = null;
/**
* Session implementation type, the default is HttpSession.
*
* When you need to be able to achieve similar RedisSession
*/
private Class sessionImplType = HttpSession.class;
/**
* WebSocket path
*/
private String webSocketPath;
/**
* Blade app start banner, default is Const.BANNER
*/
private String bannerText;
/**
* Blade app start thread name, default is Const.DEFAULT_THREAD_NAME
*/
private String threadName;
/**
* WebSocket Handler
*/
private WebSocketHandler webSocketHandler;
/**
* Give your blade instance, from then on will get the energy
*
* @return return blade instance
* {@link #of }
*/
@Deprecated
public static Blade me() {
return Blade.of();
}
/**
* Give your blade instance, from then on will get the energy
*
* @return return blade instance
*/
public static Blade of() {
return new Blade();
}
/**
* Get blade ioc container, default is SimpleIoc implement.
*
* IOC container will help you hosting Bean or component, it is actually a Map inside.
* In the blade in a single way to make objects reuse,
* you can save resources, to avoid the terrible memory leak
*
* @return return ioc container
*/
public Ioc ioc() {
return this.ioc;
}
/**
* Add a get route to routes
*
* @param path your route path
* @param handler route implement
* @return return blade instance
* @see #get(String, RouteHandler)
*/
@Deprecated
public Blade get(@NonNull String path, @NonNull RouteHandler0 handler) {
this.routeMatcher.addRoute(path, handler, HttpMethod.GET);
return this;
}
/**
* Add a get route to routes
*
* @param path your route path
* @param handler route implement
* @return return blade instance
*/
public Blade get(@NonNull String path, @NonNull RouteHandler handler) {
this.routeMatcher.addRoute(path, handler, HttpMethod.GET);
return this;
}
/**
* Add a post route to routes
*
* @param path your route path
* @param handler route implement
* @return return blade instance
* @see #post(String, RouteHandler)
*/
@Deprecated
public Blade post(@NonNull String path, @NonNull RouteHandler0 handler) {
this.routeMatcher.addRoute(path, handler, HttpMethod.POST);
return this;
}
/**
* Add a post route to routes
*
* @param path your route path
* @param handler route implement
* @return return blade instance
*/
public Blade post(@NonNull String path, @NonNull RouteHandler handler) {
this.routeMatcher.addRoute(path, handler, HttpMethod.POST);
return this;
}
/**
* Add a put route to routes
*
* @param path your route path
* @param handler route implement
* @return return blade instance
* @see #put(String, RouteHandler)
*/
@Deprecated
public Blade put(@NonNull String path, @NonNull RouteHandler0 handler) {
this.routeMatcher.addRoute(path, handler, HttpMethod.PUT);
return this;
}
/**
* Add a put route to routes
*
* @param path your route path
* @param handler route implement
* @return return blade instance
*/
public Blade put(@NonNull String path, @NonNull RouteHandler handler) {
this.routeMatcher.addRoute(path, handler, HttpMethod.PUT);
return this;
}
/**
* Add a delete route to routes
*
* @param path your route path
* @param handler route implement
* @return return blade instance
* @see #delete(String, RouteHandler)
*/
@Deprecated
public Blade delete(@NonNull String path, @NonNull RouteHandler0 handler) {
this.routeMatcher.addRoute(path, handler, HttpMethod.DELETE);
return this;
}
/**
* Add a delete route to routes
*
* @param path your route path
* @param handler route implement
* @return return blade instance
*/
public Blade delete(@NonNull String path, @NonNull RouteHandler handler) {
this.routeMatcher.addRoute(path, handler, HttpMethod.DELETE);
return this;
}
/**
* Add a before route to routes, the before route will be executed before matching route
*
* @param path your route path
* @param handler route implement
* @return return blade instance
* @see #before(String, RouteHandler)
*/
@Deprecated
public Blade before(@NonNull String path, @NonNull RouteHandler0 handler) {
this.routeMatcher.addRoute(path, handler, HttpMethod.BEFORE);
return this;
}
/**
* Add a before route to routes, the before route will be executed before matching route
*
* @param path your route path
* @param handler route implement
* @return return blade instance
*/
public Blade before(@NonNull String path, @NonNull RouteHandler handler) {
this.routeMatcher.addRoute(path, handler, HttpMethod.BEFORE);
return this;
}
/**
* Add a after route to routes, the before route will be executed after matching route
*
* @param path your route path
* @param handler route implement
* @return return blade instance
* @see #after(String, RouteHandler)
*/
@Deprecated
public Blade after(@NonNull String path, @NonNull RouteHandler0 handler) {
this.routeMatcher.addRoute(path, handler, HttpMethod.AFTER);
return this;
}
/**
* Add a after route to routes, the before route will be executed after matching route
*
* @param path your route path
* @param handler route implement
* @return return blade instance
*/
public Blade after(@NonNull String path, @NonNull RouteHandler handler) {
this.routeMatcher.addRoute(path, handler, HttpMethod.AFTER);
return this;
}
/**
* Setting blade mvc default templateEngine
*
* @param templateEngine TemplateEngine object
* @return blade
*/
public Blade templateEngine(@NonNull TemplateEngine templateEngine) {
this.templateEngine = templateEngine;
return this;
}
/**
* Get TemplateEngine, default is DefaultEngine
*
* @return return TemplateEngine
*/
public TemplateEngine templateEngine() {
return this.templateEngine;
}
/**
* Get RouteMatcher
*
* @return return RouteMatcher
*/
public RouteMatcher routeMatcher() {
return this.routeMatcher;
}
/**
* Register bean to ioc container
*
* @param bean bean object
* @return blade
*/
public Blade register(@NonNull Object bean) {
this.ioc.addBean(bean);
return this;
}
/**
* Register bean to ioc container
*
* @param cls bean class, the class must provide a no args constructor
* @return blade
*/
public Blade register(@NonNull Class cls) {
this.ioc.addBean(cls);
return this;
}
/**
* Add multiple static resource file
* the default provides the static, upload
*
* @param folders static resource directory
* @return blade
*/
public Blade addStatics(@NonNull String... folders) {
this.statics.addAll(Arrays.asList(folders));
return this;
}
/**
* Set whether to show the file directory, default doesn't show
*
* @param fileList show the file directory
* @return blade
*/
public Blade showFileList(boolean fileList) {
this.environment.set(ENV_KEY_STATIC_LIST, fileList);
return this;
}
/**
* Set whether open gzip, default disabled
*
* @param gzipEnable enabled gzip
* @return blade
*/
public Blade gzip(boolean gzipEnable) {
this.environment.set(ENV_KEY_GZIP_ENABLE, gzipEnable);
return this;
}
/**
* Get ioc bean
*
* @param cls bean class type
* @return return bean instance
*/
public T getBean(@NonNull Class cls) {
return this.ioc.getBean(cls);
}
/**
* Get ExceptionHandler
*
* @return return ExceptionHandler
*/
public ExceptionHandler exceptionHandler() {
return this.exceptionHandler;
}
/**
* Set ExceptionHandler, when you need a custom exception handling
*
* @param exceptionHandler your ExceptionHandler instance
* @return return blade instance
*/
public Blade exceptionHandler(ExceptionHandler exceptionHandler) {
this.exceptionHandler = exceptionHandler;
return this;
}
/**
* Get current is developer mode
*
* @return return true is developer mode, else not.
*/
public boolean devMode() {
return this.environment.getBoolean(ENV_KEY_DEV_MODE, true);
}
/**
* Whether encoding setting mode for developers
* The default mode is developers
*
* @param devMode developer mode
* @return blade
*/
public Blade devMode(boolean devMode) {
this.environment.set(ENV_KEY_DEV_MODE, devMode);
return this;
}
public boolean isAutoRefreshDir() {
return this.environment.get(ENV_KEY_AUTO_REFRESH_DIR).isPresent();
}
public void setAutoRefreshDir(String dir) {
this.environment.set(ENV_KEY_AUTO_REFRESH_DIR, dir);
}
public Class bootClass() {
return this.bootClass;
}
/**
* Set whether to enable cors
*
* @param enableCors enable cors
* @return blade
*/
public Blade enableCors(boolean enableCors) {
this.environment.set(ENV_KEY_CORS_ENABLE, enableCors);
return this;
}
/**
* Get blade statics list.
* e.g: "/favicon.ico", "/robots.txt", "/static/", "/upload/", "/webjars/"
*
* @return return statics
*/
public Set getStatics() {
return this.statics;
}
/**
* When set to start blade scan packages
*
* @param packages package name
* @return blade
*/
public Blade scanPackages(@NonNull String... packages) {
this.packages.addAll(Arrays.asList(packages));
return this;
}
/**
* Get scan the package set.
*
* @return return packages set
*/
public Set scanPackages() {
return packages;
}
/**
* Set to start blade configuration file by default
* Boot config properties file in classpath directory.
*
* Without setting will read the classpath -> application.properties
*
* @param bootConf boot config file name
* @return blade
*/
public Blade bootConf(@NonNull String bootConf) {
this.environment.set(ENV_KEY_BOOT_CONF, bootConf);
return this;
}
/**
* Set the environment variable for global use here
*
* {@link #env(String, String)}
*
* @param key environment key
* @param value environment value
* @return blade
*/
@Deprecated
public Blade environment(@NonNull String key, @NonNull Object value) {
this.environment.set(key, value);
return this;
}
/**
* Return the application's environment configuration information.
*
* @return Environment
*/
public Environment environment() {
return this.environment;
}
@Deprecated
public Blade environment(Environment environment) {
this.environment = environment;
return this;
}
/**
* Get application environment information.
*
* @param key environment key
* @return environment optional value
*/
public Optional env(String key) {
return this.environment.get(key);
}
/**
* Get application environment information.
*
* @param key environment key
* @param defaultValue default value, if value is null
* @return environment optional value
*/
public String env(String key, String defaultValue) {
return this.environment.get(key, defaultValue);
}
/**
* Set to start the web server to monitor port, the default is 9000
*
* @param port web server port, default is 9000
* @return blade
*/
public Blade listen(int port) {
Assert.greaterThan(port, 0, "server port not is negative number.");
this.environment.set(ENV_KEY_SERVER_PORT, port);
return this;
}
/**
* Set to start the web server to listen the IP address and port
* The default will listen 0.0.0.0:9000
*
* @param address ip address
* @param port web server port
* @return blade
*/
public Blade listen(@NonNull String address, int port) {
Assert.greaterThan(port, 0, "server port not is negative number.");
this.environment.set(ENV_KEY_SERVER_ADDRESS, address);
this.environment.set(ENV_KEY_SERVER_PORT, port);
return this;
}
/**
* The use of multiple middleware, if any
*
* @param middleware middleware object array
* @return blade
*/
public Blade use(@NonNull WebHook... middleware) {
if (BladeKit.isEmpty(middleware)) {
return this;
}
this.middleware.addAll(Arrays.asList(middleware));
for (var webHook: middleware) {
this.register(webHook);
}
return this;
}
/**
* Get middleware list
*
* @return return middleware list
*/
public List middleware() {
return this.middleware;
}
/**
* Set in the name of the app blade application
*
* @param appName application name
* @return blade
*/
public Blade appName(@NonNull String appName) {
this.environment.set(ENV_KEY_APP_NAME, appName);
return this;
}
/**
* Add a event watcher
* When the trigger event is executed eventListener
*
* @param eventType event type
* @param eventListener event watcher
* @return blade
*/
public Blade event(@NonNull EventType eventType, @NonNull EventListener eventListener) {
this.eventManager.addEventListener(eventType, eventListener);
return this;
}
/**
* Add a event watcher
* When the trigger event is executed eventListener
*
* @param eventType event type
* @param eventListener event watcher
* @return blade
*/
public Blade on(@NonNull EventType eventType, @NonNull EventListener eventListener) {
this.eventManager.addEventListener(eventType, eventListener);
return this;
}
/**
* Get session implements Class Type
*
* @return return blade Session Type
*/
public Class sessionType() {
return this.sessionImplType;
}
/**
* Set session implements Class Type, e.g: RedisSession
*
* @param sessionImplType Session Type implement
* @return return blade instance
*/
public Blade sessionType(Class sessionImplType) {
this.sessionImplType = sessionImplType;
return this;
}
/**
* Event on started
*
* @param processor bean processor
* @return return blade instance
*/
@Deprecated
public Blade onStarted(@NonNull BeanProcessor processor) {
this.processors.add(processor);
return this;
}
/**
* Add blade loader
*
* @param loader
* @return
*/
public Blade addLoader(@NonNull BladeLoader loader) {
this.loaders.add(loader);
return this;
}
/**
* Get processors
*
* @return return processors
*/
@Deprecated
public List processors() {
return this.processors;
}
public List loaders() {
return this.loaders;
}
/**
* Get EventManager
*
* @return return EventManager
*/
public EventManager eventManager() {
return this.eventManager;
}
/**
* Get SessionManager
*
* @return return SessionManager
*/
public SessionManager sessionManager() {
return this.sessionManager;
}
/**
* Disable session, default is open
*
* @return return blade instance
*/
public Blade disableSession() {
this.sessionManager = null;
return this;
}
public Blade watchEnvChange(boolean watchEnvChange) {
this.environment.set(ENV_KEY_APP_WATCH_ENV, watchEnvChange);
return this;
}
/**
* Start blade application.
*
* When all the routing in the main function of situations you can use,
* Otherwise please do not call this method.
*
* @return return blade instance
*/
public Blade start() {
return this.start(null, null);
}
/**
* Start blade application
*
* @param mainCls main Class, the main class bag is basic package
* @param args command arguments
* @return return blade instance
*/
public Blade start(Class mainCls, String... args) {
return this.start(mainCls, DEFAULT_SERVER_ADDRESS, DEFAULT_SERVER_PORT, args);
}
/**
* Start the blade web server
*
* @param bootClass Start the boot class, used to scan the class in all of the packages
* @param address web server bind ip address
* @param port web server bind port
* @param args launch parameters
* @return blade
*/
public Blade start(Class bootClass, @NonNull String address, int port, String... args) {
try {
this.loadConfig(args);
this.environment.set(ENV_KEY_SERVER_ADDRESS, address);
Assert.greaterThan(port, 0, "server port not is negative number.");
this.bootClass = bootClass;
eventManager.fireEvent(EventType.SERVER_STARTING, new Event().attribute("blade", this));
Thread thread = new Thread(() -> {
try {
server.start(Blade.this, args);
latch.countDown();
server.join();
} catch (Exception e) {
startupExceptionHandler.accept(e);
}
});
String threadName = null != this.threadName ? this.threadName : environment.get(ENV_KEY_APP_THREAD_NAME, null);
threadName = null != threadName ? threadName : DEFAULT_THREAD_NAME;
thread.setName(threadName);
thread.start();
this.started = true;
Thread resourceFilesRefreshThread = new Thread(() -> {
try {
FileChangeDetector fileChangeDetector = new FileChangeDetector(environment.get(ENV_KEY_AUTO_REFRESH_DIR).get());
fileChangeDetector.processEvent((event, filePath) -> {
try {
//TODO: add support for Create and Delete
if (event.equals(StandardWatchEventKinds.ENTRY_MODIFY)) {
Path destPath = FileChangeDetector.getDestPath(filePath, environment);
Files.copy(filePath, destPath, StandardCopyOption.REPLACE_EXISTING);
}
} catch (IOException e) {
log.error("Exception when trying to copy updated file");
startupExceptionHandler.accept(e);
}
});
} catch (IOException e) {
startupExceptionHandler.accept(e);
}
});
if (devMode() && isAutoRefreshDir()) {
log.info("auto refresh is enabled");
resourceFilesRefreshThread.start();
}
} catch (Exception e) {
startupExceptionHandler.accept(e);
}
return this;
}
/**
* Await web server started
*
* @return return blade instance
*/
public Blade await() {
if (!this.started) {
throw new IllegalStateException("Server hasn't been started. Call start() before calling this method.");
}
try {
this.latch.await();
} catch (Exception e) {
log.error("Blade start await error", e);
Thread.currentThread().interrupt();
}
return this;
}
/**
* Stop current blade application
*
* Will stop synchronization waiting netty service
*/
public void stop() {
this.eventManager.fireEvent(EventType.SERVER_STOPPING, new Event().attribute("blade", this));
this.server.stopAndWait();
this.eventManager.fireEvent(EventType.SERVER_STOPPED, new Event().attribute("blade", this));
}
/**
* Register WebSocket path
*
* @param path websocket path
* @param handler websocket handler
* @return return blade instance
*/
public Blade webSocket(@NonNull String path, @NonNull WebSocketHandler handler) {
if (null != this.webSocketHandler) {
throw new BladeException(500, "There is already a WebSocket path.");
}
this.webSocketPath = path;
this.webSocketHandler = handler;
this.routeMatcher.addWebSocket(path);
return this;
}
/**
* Get webSocket path
*
* @return return websocket path
*/
public String webSocketPath() {
return this.webSocketPath;
}
/**
* Set blade start banner text
*
* @param bannerText banner text
* @return return blade instance
*/
public Blade bannerText(String bannerText) {
this.bannerText = bannerText;
return this;
}
/**
* Get banner text
*
* @return return blade start banner text
*/
public String bannerText() {
if (null != bannerText) return bannerText;
var bannerPath = environment.get(ENV_KEY_BANNER_PATH, null);
if (StringKit.isEmpty(bannerPath) || Files.notExists(Paths.get(bannerPath))) {
return null;
}
try {
var bufferedReader = Files.newBufferedReader(Paths.get(bannerPath));
bannerText = bufferedReader.lines().collect(Collectors.joining("\r\n"));
} catch (Exception e) {
log.error("Load Start Banner file error", e);
}
return bannerText;
}
/**
* Set blade start thread name
*
* @param threadName thread name
* @return return blade instance
*/
public Blade threadName(String threadName) {
this.threadName = threadName;
return this;
}
/**
* Set context path, default is "/"
*
* @param contextPath context path
* @return return blade instance
* @since 2.0.8-RELEASE
*/
public Blade contextPath(String contextPath) {
this.environment.set(ENV_KEY_CONTEXT_PATH, contextPath);
return this;
}
/**
* Get WebSocket Handler
*
* @return return websocket handler
*/
public WebSocketHandler webSocketHandler() {
return this.webSocketHandler;
}
/**
* Load application environment configuration
*
* @param args command line parameters
*/
private void loadConfig(String[] args) {
var bootConf = environment().get(ENV_KEY_BOOT_CONF, PROP_NAME);
var bootEnv = Environment.of(bootConf);
if (null == bootEnv || bootEnv.isEmpty()) {
bootEnv = Environment.of(PROP_NAME0);
}
if (!Objects.requireNonNull(bootEnv).isEmpty()) {
bootEnv.props().forEach((key, value) -> environment.set(key.toString(), value));
}
if (null != args) {
Optional envArg = Stream.of(args).filter(s -> s.startsWith(Const.TERMINAL_BLADE_ENV)).findFirst();
envArg.ifPresent(arg -> {
String envName = "application-" + arg.split("=")[1] + ".properties";
log.info("current environment file is: {}", envName);
Environment customEnv = Environment.of(envName);
if (customEnv != null) {
customEnv.props().forEach((key, value) -> this.environment.set(key.toString(), value));
}
});
}
this.register(this.environment);
// load terminal param
if (BladeKit.isEmpty(args)) {
return;
}
for (var arg: args) {
if (arg.startsWith(TERMINAL_SERVER_ADDRESS)) {
var pos = arg.indexOf(TERMINAL_SERVER_ADDRESS) + TERMINAL_SERVER_ADDRESS.length();
var address = arg.substring(pos);
this.environment.set(ENV_KEY_SERVER_ADDRESS, address);
} else if (arg.startsWith(TERMINAL_SERVER_PORT)) {
var pos = arg.indexOf(TERMINAL_SERVER_PORT) + TERMINAL_SERVER_PORT.length();
var port = arg.substring(pos);
this.environment.set(ENV_KEY_SERVER_PORT, port);
}
}
}
}