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GeezerVison is showing github.com — javaxt-express/src/javaxt/express/Server.java at master · javaxt-project/javaxt-express Expand file tree/ Copy pathServer.javaMore file actions 436 lines (335 loc) · 15.1 KB / Copy pathServer.javaFile metadata and controls436 lines (335 loc) · 15.1 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 package javaxt.express; import javaxt.express.cms.Content; import javaxt.http.servlet.HttpServlet; import javaxt.http.servlet.HttpServletRequest; import javaxt.http.servlet.HttpServletResponse; import javaxt.http.servlet.ServletException; import javaxt.sql.*; import javaxt.json.*; import javaxt.io.Jar; import static javaxt.utils.Console.*; import java.util.*; import java.io.IOException; import javaxt.express.utils.DbUtils; //****************************************************************************** //** Express Server //****************************************************************************** /** * Command line application used to start a web server and serve content. * ******************************************************************************/ public class Server { //************************************************************************** //** main //************************************************************************** /** Command line interface used to start the server. * @param arguments Command line arguments */ public static void main(String[] arguments) throws Exception { HashMap<String, String> args = parseArgs(arguments); Jar jar = new Jar(Server.class); //Process command line args if (args.containsKey("-version")){ String version = jar.getVersion(); if (version==null) version = "Unknown"; System.out.println(version); } else if (args.containsKey("-deploy")){ Deploy.main(arguments); } else if (args.containsKey("-start")){ javaxt.utils.Value start = getValue(args, "-start"); Config config = getConfig(args, jar); try { //Get servlet HttpServlet servlet; if (start.equals("website") || start.equals("cms")){ servlet = new WebSite(config, args); } else if (start.equals("webservice") || start.equals("webservices")){ servlet = new WebServices(config, args); } else{ servlet = new WebServer(config, args); } //Start server int port = config.get("webserver").get("port").toInteger(); int numThreads = config.get("webserver").get("numThreads").toInteger(); javaxt.http.Server server = new javaxt.http.Server(port, numThreads, servlet); server.start(); } catch (Exception e) { System.out.println("Server could not start because of an " + e.getClass() + ": " + e.getMessage()); e.printStackTrace(); } } else{ System.out.println("Unsupported command"); } } //************************************************************************** //** WebSite //************************************************************************** /** Returns an HTTP servlet used serve content using the Express Content * Management System (CMS). */ private static class WebSite extends javaxt.express.cms.WebSite { private WebSite(Config config, HashMap<String, String> args){ super(getDirectory(config)); } private static javaxt.io.Directory getDirectory(Config config){ javaxt.io.Directory web = null; try{ web = (javaxt.io.Directory) config.get("webserver").get("webDir").toObject(); } catch(Exception e){} if (web==null) throw new IllegalArgumentException( "Invalid directory. Use the -dir argument to specify a path to a CMS folder."); return web; } /* Override the native getContent method to generate custom HTML for wiki * pages. Performs custom keyword substitution for the "<%=index%>" tag. */ public Content getContent(HttpServletRequest request, javaxt.io.File file){ //Get path from url String path = request.getURL().getPath().toLowerCase(); //Remove leading and trailing "/" characters if (path.startsWith("/")) path = path.substring(1); if (path.endsWith("/")) path = path.substring(0, path.length()-1); //Return content if (path.equals("wiki")){ String html = file.getText(); Date date = file.getDate(); if (file.getName(false).equals("index")){ Content content = getIndex(file); javaxt.utils.Date d = new javaxt.utils.Date(content.getDate()); if (d.isAfter(new javaxt.utils.Date(date))){ date = d.getDate(); } html = html.replace("<%=index%>", content.getHTML()); } return new Content(html, date); } else{ return super.getContent(request, file); } } } //************************************************************************** //** WebServer //************************************************************************** /** Returns an HTTP servlet used serve static files using the FileManager. * The FileManager ensures that files are properly cached by the browser. */ private static class WebServer extends HttpServlet { private FileManager fileManager; public WebServer(Config config, HashMap<String, String> args){ //Get directory javaxt.io.Directory web = null; try{ web = (javaxt.io.Directory) config.get("webserver").get("webDir").toObject(); } catch(Exception e){} if (web==null) throw new IllegalArgumentException( "Invalid directory. Use the -dir argument to specify a path to a web folder."); //If we're still here, instantiate the file manager fileManager = new FileManager(web); } public void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { fileManager.sendFile(request, response); } } //************************************************************************** //** WebServices //************************************************************************** /** Returns an HTTP servlet used execute CRUD operations (create, read, * update, delete) using a given set of models. */ private static class WebServices extends HttpServlet { private WebService ws; private Database database; public WebServices(Config config, HashMap<String, String> args) throws Exception { //Parse inputs String input = getValue(args, "-model", "-models").toString(); javaxt.io.File inputFile; try { inputFile = new javaxt.io.File(input); if (!inputFile.exists()) throw new Exception(); } catch(Exception e){ throw new IllegalArgumentException("Models are required"); } database = config.getDatabase(); if (database==null) throw new IllegalArgumentException("Invalid or missing database"); //Get models javaxt.orm.Model[] models = new javaxt.orm.Parser(inputFile.getText()).getModels(); //Initialize schema (create tables, indexes, etc) String schema = new javaxt.orm.Schema(models).getSQLScript(); if (database.getDriver().equals("H2")){ //Set H2 to PostgreSQL mode Properties properties = database.getProperties(); if (properties==null){ properties = new java.util.Properties(); database.setProperties(properties); } properties.setProperty("MODE", "PostgreSQL"); properties.setProperty("DATABASE_TO_LOWER", "TRUE"); properties.setProperty("DEFAULT_NULL_ORDERING", "HIGH"); //Update list of non-reserved keywords (e.g. "KEY", "VALUE", "YEAR") HashSet<String> nonKeyWords = new HashSet<>(); Set<String> resevedKeyWords = new HashSet<>( Arrays.asList(database.getReservedKeywords()) ); for (javaxt.orm.Model model : models){ String str = model.getTableName().toUpperCase(); if (resevedKeyWords.contains(str)) nonKeyWords.add(str); for (javaxt.orm.Field field : model.getFields()){ str = field.getColumnName().toUpperCase(); if (resevedKeyWords.contains(str)) nonKeyWords.add(str); } } if (!nonKeyWords.isEmpty()){ properties.setProperty("NON_KEYWORDS", String.join(",", nonKeyWords)); } } DbUtils.initSchema(database, schema, null); //Enable metadata caching database.enableMetadataCache(true); //Inititalize connection pool database.initConnectionPool(); //Compile models into classes Class[] classes = new javaxt.orm.Compiler(models).getClasses(); //Instantiate web services ws = new Demo(); //Initialize classes and register them with the web service for (Class c : classes){ Model.init(c, database.getConnectionPool()); ws.addModel(c); } } /** Used to process HTTP requests */ public void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //Add CORS support response.addHeader("Access-Control-Allow-Origin", "*"); response.addHeader("Access-Control-Allow-Headers","*"); response.addHeader("Access-Control-Allow-Methods", "*"); //Generate response ServiceRequest req = new ServiceRequest(request); ServiceResponse rsp = ws.getServiceResponse(req, database); rsp.send(response); } private class Demo extends WebService {} } //************************************************************************** //** getConfig //************************************************************************** private static Config getConfig(HashMap<String, String> args, Jar jar){ javaxt.io.File jarFile = new javaxt.io.File(jar.getFile()); //Get config file javaxt.io.File configFile = (args.containsKey("-config")) ? getFile(args.get("-config"), jarFile) : new javaxt.io.File(jar.getFile().getParentFile(), "config.json"); //Initialize config Config config = new Config(); if (configFile.exists()){ try{ config.init(configFile.getJSONObject()); } catch(Exception e){} } //Get web config JSONObject webConfig = config.get("webserver").toJSONObject(); if (webConfig==null){ webConfig = new JSONObject(); config.set("webserver", webConfig); } //Set directory for the web server try{ String dir = getValue(args, "-d", "-dir", "-directory", "-web", "-share").toString(); if (dir.endsWith("\"")) dir = dir.substring(0, dir.length()-1); java.io.File f = new java.io.File(dir); if (f.isFile()) f = f.getParentFile(); javaxt.io.Directory web = new javaxt.io.Directory(f); webConfig.set("webDir", web); } catch(Exception e){} //Set port for the web server Integer port = getValue(args, "-p", "-port").toInteger(); if (port==null && !webConfig.has("port")) webConfig.set("port", 8080); else webConfig.set("port", port); //Set number of threads for the web server Integer numThreads = getValue(args, "-t", "-threads").toInteger(); if (numThreads==null && !webConfig.has("numThreads")) webConfig.set("numThreads", 250); else webConfig.set("numThreads", numThreads); //Get database config Database database = config.getDatabase(); if (database==null){ String db = getValue(args, "-database", "-data").toString(); if (db!=null){ try{ //Check if the database arg represents a path to a directory String path = db; javaxt.io.Directory dir = new javaxt.io.Directory(path); if (dir.exists()){ try{ java.io.File f = new java.io.File(path); javaxt.io.Directory d = new javaxt.io.Directory(f.getCanonicalFile()); if (!dir.toString().equals(d.toString())){ dir = d; } } catch(Exception e){ } } else{ path = (configFile.exists()) ? configFile.MapPath(path) : jarFile.MapPath(path); dir = new javaxt.io.Directory(new java.io.File(path)); } //If the directory doesn't exist, throw an error. Do not try //to create a new directory because the path may be invalid. if (!dir.exists()) throw new Exception(); //Create a new database using H2 database = new Database(); database.setDriver("H2"); database.setHost(dir.toString().replace("\\", "/") + "database"); } catch(Exception e){ //Try parsing connection string if (args.containsKey("-database")){ try{ database = new Database(db); } catch(Exception ex){} } } //Update database config if (database!=null){ int maxConnections = Math.min(25, webConfig.get("numThreads").toInteger()); database.setConnectionPoolSize(maxConnections); config.setDatabase(database); } } } return config; } //************************************************************************** //** getFile //************************************************************************** /** Returns a File for a given path * @param path Full canonical path to a file or a relative path (relative * to the jarFile) */ public static javaxt.io.File getFile(String path, javaxt.io.File jarFile){ javaxt.io.File file = new javaxt.io.File(path); if (!file.exists()){ file = new javaxt.io.File(jarFile.MapPath(path)); } return file; } } |
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