inital commit
This commit is contained in:
Tilman Walther
@@ -0,0 +1,129 @@
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package de.tilman.transactions;
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import java.math.BigDecimal;
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import java.sql.Connection;
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import java.sql.DriverManager;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.sql.Statement;
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import java.util.LinkedList;
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import java.util.Map;
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import java.util.SortedMap;
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import java.util.TreeMap;
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import org.apache.log4j.Logger;
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public class DatabaseController {
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private final static Logger log = Logger.getLogger(DatabaseController.class);
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final String DB_TREIBER = "org.hsqldb.jdbcDriver";
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// final String DB_URL = "jdbc:hsqldb:file:database/db;ifexists=true;shutdown=true"; // embedded mode, für Testzwecke
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final String DB_URL = "jdbc:hsqldb:hsql://localhost/transaktionen"; // Datenbank läuft separat im server mode
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final String DB_LOGIN = "sa";
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final String DB_PASSWORT = "";
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String tblTransactions = "Transaktionen";
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String tblCategories = "Kategorien";
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Connection connection;
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Statement statement;
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PreparedStatement selectCategoriesSql;
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PreparedStatement insertTransactionSql;
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PreparedStatement getLastIdSql;
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ResultSet resultSet;
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String path;
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boolean hasAuslagen;
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public DatabaseController(String tblTransactions, String tblCategories, String path, boolean hasAuslagen) throws Exception {
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this.tblTransactions = tblTransactions;
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this.tblCategories = tblCategories;
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this.path = path;
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this.hasAuslagen = hasAuslagen;
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Class.forName("org.hsqldb.jdbcDriver");
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connection = DriverManager.getConnection(DB_URL, DB_LOGIN, DB_PASSWORT);
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statement = connection.createStatement();
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// prepare SQL statements
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selectCategoriesSql = connection.prepareCall("SELECT * FROM \""+tblCategories+"\" ORDER BY \"ID\" asc");
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insertTransactionSql = connection.prepareCall("INSERT INTO \""+tblTransactions+"\" (\"ID\", \"Datum\", \"Kategorie\", \"Betrag\", \"Beschreibung\", \"Auslage\") VALUES (null,?,?,?,?,?)");
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}
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public SortedMap<Integer, String> getCategories() throws SQLException {
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resultSet = selectCategoriesSql.executeQuery();
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TreeMap<Integer, String> categoryMap = new TreeMap<Integer, String>();
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while (resultSet.next()) {
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categoryMap.put(resultSet.getInt(1), resultSet.getString(2));
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}
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return categoryMap;
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}
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public int writeTransaction(Transaktion transaction) throws SQLException {
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insertTransactionSql.setBigDecimal(3, transaction.betrag);
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insertTransactionSql.setInt(2, transaction.kategorie);
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insertTransactionSql.setDate(1, new java.sql.Date(transaction.datum.getTime()));
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insertTransactionSql.setString(4, transaction.beschreibung);
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insertTransactionSql.setInt(5, transaction.auslage);
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insertTransactionSql.execute();
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// return the ID of the new row
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resultSet = statement.executeQuery("CALL IDENTITY();");
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resultSet.next();
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int lastId = resultSet.getInt(1);
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log.info("written transaction with ID " + lastId);
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return lastId;
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}
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public void deleteTransaction(int id) throws SQLException {
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log.info("delete transaction #" + id);
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statement.execute("DELETE FROM \""+tblTransactions+"\" WHERE id=" + id);
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}
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public Transaktion getLastTransaction() throws SQLException {
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resultSet = statement.executeQuery("SELECT \"ID\", \"Datum\", \"Kategorie\", \"Betrag\", \"Beschreibung\", \"Auslage\" FROM \""+tblTransactions+"\" WHERE id = (SELECT Max(id) FROM \""+tblTransactions+"\");");
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resultSet.next();
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return new Transaktion(resultSet.getInt(1), resultSet.getBigDecimal(4), resultSet.getInt(3), resultSet.getDate(2), resultSet.getString(5), resultSet.getInt(6));
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}
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public LinkedList<Transaktion> getLastTransactions(int num) throws SQLException {
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LinkedList<Transaktion> list = new LinkedList<Transaktion>();
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Map<Integer, String> categories = getCategories();
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resultSet = statement.executeQuery("SELECT \"ID\", \"Datum\", \"Kategorie\", \"Betrag\", \"Beschreibung\", \"Auslage\" FROM \""+tblTransactions+"\" ORDER BY \"Datum\" desc, \"ID\" desc LIMIT " + num);
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while (resultSet.next()) {
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Transaktion trns = new Transaktion(resultSet.getInt(1), resultSet.getBigDecimal(4), resultSet.getInt(3), categories.get(resultSet.getInt(3)), resultSet.getDate(2), resultSet.getString(5), resultSet.getInt(6));
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list.push(trns);
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}
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return list;
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}
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public BigDecimal getSumExpenses(int id) throws SQLException {
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resultSet = statement.executeQuery("SELECT SUM(\"Betrag\") FROM \"" + tblTransactions + "\" WHERE \"Auslage\"=" + id);
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resultSet.next();
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BigDecimal result = resultSet.getBigDecimal(1);
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if (result == null)
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return new BigDecimal(0);
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return result;
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}
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public void resetExpenses(int id) throws SQLException {
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log.info("resetting expenses for ID " + id);
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statement.execute("UPDATE \"Transaktionen\" SET \"Auslage\"=0 WHERE \"Auslage\"=" + id);
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}
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public void close() throws SQLException {
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selectCategoriesSql.close();
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insertTransactionSql.close();
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log.info("shutting down database");
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statement.execute("SHUTDOWN COMPACT");
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statement.close();
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connection.close();
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log.info("database closed");
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}
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}
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+398
@@ -0,0 +1,398 @@
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package de.tilman.transactions;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.math.BigDecimal;
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import java.sql.SQLException;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Map;
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import java.util.Random;
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import java.util.SortedMap;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.apache.commons.lang3.StringEscapeUtils;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.log4j.BasicConfigurator;
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import org.apache.log4j.ConsoleAppender;
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import org.apache.log4j.Logger;
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import org.apache.log4j.PatternLayout;
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import org.mortbay.jetty.Handler;
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import org.mortbay.jetty.Server;
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import org.mortbay.jetty.handler.DefaultHandler;
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import org.mortbay.jetty.handler.HandlerList;
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import org.mortbay.jetty.handler.ResourceHandler;
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import org.mortbay.jetty.servlet.Context;
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import org.mortbay.jetty.servlet.ServletHolder;
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import org.mortbay.thread.QueuedThreadPool;
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public class Service {
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private final static Logger log = Logger.getLogger(Service.class);
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private static int hostPort = 8080;
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protected Server jetty;
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private static SimpleDateFormat formatter = new SimpleDateFormat("dd.MM.yyyy");
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private Random rnd = new Random();
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public void start() {
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BasicConfigurator.configure(new ConsoleAppender(new PatternLayout("%d{ISO8601} - %m%n")));
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try {
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log.info("open database");
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DatabaseController database = new DatabaseController("Transaktionen", "Kategorien", "/input", true);
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log.info("add shutdown hook for database");
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Runtime.getRuntime().addShutdownHook(new ShutdownThread(database));
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DatabaseController databaseTilman = new DatabaseController("Transaktionen_Tilman", "Kategorien_Tilman", "/tilman", false);
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jetty = new Server(hostPort);
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jetty.setThreadPool(new QueuedThreadPool(10));
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Context inputContext = new Context(jetty, "/", Context.SESSIONS);
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inputContext.addServlet(new ServletHolder(new ReadServlet(database)), "/input");
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inputContext.addServlet(new ServletHolder(new StatsServlet(database)), "/input/last");
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inputContext.addServlet(new ServletHolder(new CsvServlet(database)), "/input/csv");
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inputContext.addServlet(new ServletHolder(new ReadServlet(databaseTilman)), "/tilman");
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inputContext.addServlet(new ServletHolder(new StatsServlet(databaseTilman)), "/tilman/last");
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inputContext.addServlet(new ServletHolder(new CsvServlet(databaseTilman)), "/tilman/csv");
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ResourceHandler resourceHandler = new ResourceHandler();
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resourceHandler.setResourceBase("resources");
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log.info("serving " + resourceHandler.getBaseResource());
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HandlerList handlers = new HandlerList();
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handlers.setHandlers(new Handler[] { resourceHandler, inputContext, new DefaultHandler() });
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jetty.setHandler(handlers);
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jetty.start();
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jetty.join();
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log.info("Listening at " + hostPort);
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} catch (Exception e) {
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e.printStackTrace();
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log.fatal("Failed to start on port " + hostPort + ", reason: " + e.getMessage());
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}
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}
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protected static void writeHeader(PrintWriter out) {
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out.println("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n" +
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"<html xmlns='http://www.w3.org/1999/xhtml'>" +
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"<head><title>Ausgaben</title>" +
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"<meta http-equiv=\"content-type\" " +
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"content=\"text/html; charset=utf-8\" />");
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out.println("<meta name='viewport' content='width=360'/>");
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out.println("<meta name='apple-mobile-web-app-capable' content='yes' />");
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out.println("<link rel='apple-touch-icon' href='/icon.png'/>");
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out.println("<style type='text/css'>\na:link { color:darkred; }\na:visited { color:darkred; }\n</style>");
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out.println("</head><body style='font-family:Arial;sans-serif;'>"); // onload='document.forms[0].betrag.focus()'
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}
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protected static void writeFooter(PrintWriter out) {
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out.println("</body></html>");
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out.close();
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}
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protected static void showTable(DatabaseController database, int num, PrintWriter out) throws ServletException {
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out.println("<table border='1' cellpadding='3' style='margin:auto; margin-top: 2em; font-size: 80%; border-collapse:collapse;'>");
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out.println("<tr><th>Datum</th><th>Kategorie</th><th>Betrag</th><th>Beschreibung</th></tr>");
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LinkedList<Transaktion> transactions = null;
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try {
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transactions = database.getLastTransactions(num);
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} catch (SQLException se) {
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throw new ServletException(se);
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}
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while (!transactions.isEmpty()) {
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Transaktion t = transactions.removeLast();
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out.println("<tr><td>" + formatter.format(t.datum) + "</td><td>" + StringEscapeUtils.escapeHtml4(t.kategorieName) + "</td><td align=\"right\" " + ((t.auslage > 0) ? "style=\"background-color: #ccddff;\">" : ">") + t.betrag.toPlainString() + " €</td><td>" + ((t.beschreibung == null) ? "" : StringEscapeUtils.escapeHtml4(t.beschreibung)) + "</td></tr>");
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}
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out.println("</table>");
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}
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public class ReadServlet extends HttpServlet {
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private static final long serialVersionUID = 1572581546682459768L;
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private int undoChallenge = -1;
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private int auslagenChallenge = -1;
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private int lastId = -1;
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private DatabaseController database;
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public ReadServlet(DatabaseController database) {
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super();
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this.database = database;
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}
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protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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response.setContentType("text/html;charset=utf-8");
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response.setStatus(HttpServletResponse.SC_OK);
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PrintWriter out = response.getWriter();
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writeHeader(out);
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if (request.getParameter("chl") != null) {
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if ((undoChallenge == Integer.parseInt(request.getParameter("chl"))) && (lastId == Integer.parseInt(request.getParameter("del")))) {
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try {
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database.deleteTransaction(lastId);
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} catch (SQLException se) {
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throw new ServletException(se);
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}
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showMessage(out, "Transaktion gelöscht.");
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}
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else if (auslagenChallenge == Integer.parseInt(request.getParameter("chl"))) {
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try {
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database.resetExpenses(Integer.parseInt(request.getParameter("id")));
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} catch (SQLException se) {
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throw new ServletException(se);
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}
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showMessage(out, "Auslagen zurückgesetzt.");
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}
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undoChallenge = -1;
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auslagenChallenge = -1;
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}
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showInputForm(out);
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showTable(database, 10, out);
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showAuslagen(out);
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writeFooter(out);
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}
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protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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response.setContentType("text/html;charset=utf-8");
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boolean error = false;
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String errorMessage = null;
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// der Betrag kann mit Punkt oder Komma als Dezimalzeichen eingegeben werden
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String betragStr = StringUtils.replaceChars(request.getParameter("betrag"), ',', '.');
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// wenn kein Vorzeichen angegeben wurde, nehmen wir eine Ausgabe an
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// und setzen den Betrag negativ
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if (!(betragStr.startsWith("-") || betragStr.startsWith("+"))) {
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betragStr = "-" + betragStr;
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}
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BigDecimal betrag = null;
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try {
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betrag = new BigDecimal(betragStr);
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if (betrag.compareTo(BigDecimal.valueOf(0)) == 0)
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error = true;
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}
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catch (NumberFormatException nfe) {
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error = true;
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}
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if (error)
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errorMessage = "<span style='color: red;'>Fehler: </span> "" + request.getParameter("betrag") + "" ist kein zulässiger Betrag.";
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Date datum = null;
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try {
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datum = formatter.parse(request.getParameter("datum"));
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} catch (ParseException pe) {
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error = true;
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errorMessage = "<span style='color: red;'>Fehler:</span> "" + request.getParameter("datum") + "" ist kein zulässiges Datum.";
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}
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if (!error) {
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Transaktion transaction = new Transaktion(betrag, Integer.parseInt(request.getParameter("kategorie")), datum, request.getParameter("beschreibung"), (database.hasAuslagen ? Integer.parseInt(request.getParameter("auslage")) : 0));
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try {
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lastId = database.writeTransaction(transaction);
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} catch (SQLException se) {
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throw new ServletException(se);
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}
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}
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response.setStatus(HttpServletResponse.SC_OK);
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PrintWriter out = response.getWriter();
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writeHeader(out);
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if (!error)
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showLastTransaction(out);
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else
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showMessage(out, errorMessage);
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showInputForm(out);
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showTable(database, 10, out);
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showAuslagen(out);
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writeFooter(out);
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}
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private void showInputForm(PrintWriter out) throws ServletException {
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SortedMap<Integer, String> categories;
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try {
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categories = database.getCategories();
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} catch (SQLException e) {
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throw new ServletException(e);
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}
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out.println("<form action='" + database.path + "' method='post' style='text-align: center;'><table border='0' cellpadding='1' style='margin:auto;'>");
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out.println("<tr><td align='right'>Betrag:</td><td align='left'><input name='betrag' type='text' size='10' maxlength='10' style='font-size:100%' /></td></tr>");
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out.println("<tr><td align='right'>Kategorie:</td><td align='left'><select name='kategorie' size='1' style='width: 23ex; font-size:100%'>");
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for (Map.Entry<Integer, String> category : categories.entrySet()) {
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if (category.getKey() == 4) {
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out.println("<option selected='selected' value='" + category.getKey() + "'>" + StringEscapeUtils.escapeHtml4(category.getValue()) + "</option>");
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}
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else {
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out.println("<option value='" + category.getKey() + "'>" + StringEscapeUtils.escapeHtml4(category.getValue()) + "</option>");
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}
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}
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out.println("</select></td></tr>");
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out.println("<tr><td align='right'>Datum:</td><td align='left'><input name='datum' type='text' size='10' maxlength='10' value='" + formatter.format(new Date()) + "' style='font-size:100%' /></td></tr>");
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out.println("<tr><td align='right'>Notiz:</td><td align='left'><input name='beschreibung' type='text' size='25' maxlength='255' style='font-size:100%' /></td></tr>");
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if (database.hasAuslagen)
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out.println("<tr><td align='right'>Auslage:</td><td align='left'><input name='auslage' type='radio' value='0' checked='checked' /> Keine <input name='auslage' type='radio' value='1' /> Tilman <input name='auslage' type='radio' value='2' /> Anica</td></tr>");
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out.println("<tr><td align='center' colspan='2'><input type='submit' value='Absenden' /></td></tr></table>");
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out.println("</form>");
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}
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private void showAuslagen(PrintWriter out) throws ServletException {
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if (database.hasAuslagen) {
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auslagenChallenge = rnd.nextInt(Integer.MAX_VALUE);
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out.println("<table border='0' cellpadding='3' style='margin:auto; margin-top: 2em; font-size: 80%; border-collapse:collapse;'>");
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try {
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out.println("<tr><td>Auslagen Anica </td><td align=\"right\">" + database.getSumExpenses(2) + " €</td><td><span style='color: red; font-weight: bold;'><a href='" + database.path + "?id=2&chl=" + auslagenChallenge + "'>überwiesen</a></span></td>");
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out.println("<tr><td>Auslagen Tilman </td><td align=\"right\">" + database.getSumExpenses(1) + " €</td><td><span style='color: red; font-weight: bold;'><a href='" + database.path + "?id=1&chl=" + auslagenChallenge + "'>überwiesen</a></span></td>");
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} catch (SQLException se) {
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throw new ServletException(se);
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}
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out.println("</table>");
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}
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}
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private void showLastTransaction(PrintWriter out) throws ServletException {
|
||||
Transaktion trns = null;
|
||||
try {
|
||||
trns = database.getLastTransaction();
|
||||
} catch (SQLException e) {
|
||||
throw new ServletException(e);
|
||||
}
|
||||
out.println("<div style='text-align: center; font-size: 80%; font-weight: bold; padding: 0.5ex; background-color: lightgray; width: 25em; margin:auto; margin-bottom: 3em;'>");
|
||||
out.println("gespeichert: ");
|
||||
out.print(trns.datum + " ");
|
||||
if (trns.betrag.compareTo(BigDecimal.valueOf(0)) < 0) {
|
||||
out.print("<span style='color: red;'>");
|
||||
}
|
||||
else {
|
||||
out.print("<span style='color: green;'>");
|
||||
}
|
||||
out.println(trns.betrag.toPlainString() + " €</span>");
|
||||
|
||||
undoChallenge = rnd.nextInt(Integer.MAX_VALUE);
|
||||
|
||||
out.println(" <span style='color: red; font-weight: bold;'><a href='" + database.path + "?del=" + trns.id + "&chl=" + undoChallenge + "'>löschen</a></span>");
|
||||
out.println("</div>");
|
||||
}
|
||||
|
||||
private void showMessage(PrintWriter out, String message) {
|
||||
out.println("<div style='text-align: center; font-weight: bold; padding: 0.5ex; border: 2px dotted red; background-color: lightgray; width: 25em; margin:auto; margin-bottom: 3em;'>");
|
||||
out.println(message);
|
||||
out.println("</div>");
|
||||
}
|
||||
}
|
||||
|
||||
public class StatsServlet extends HttpServlet {
|
||||
private static final long serialVersionUID = 4104919572342151480L;
|
||||
private DatabaseController database;
|
||||
|
||||
public StatsServlet(DatabaseController database) {
|
||||
super();
|
||||
this.database = database;
|
||||
}
|
||||
|
||||
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
|
||||
response.setContentType("text/html;charset=utf-8");
|
||||
response.setStatus(HttpServletResponse.SC_OK);
|
||||
PrintWriter out = response.getWriter();
|
||||
|
||||
writeHeader(out);
|
||||
showTable(database, ((request.getParameter("n") != null) ? Integer.parseInt(request.getParameter("n")) : 20), out);
|
||||
writeFooter(out);
|
||||
}
|
||||
}
|
||||
|
||||
public class CsvServlet extends HttpServlet {
|
||||
private static final long serialVersionUID = 4104919572342151480L;
|
||||
private DatabaseController database;
|
||||
|
||||
public CsvServlet(DatabaseController database) {
|
||||
super();
|
||||
this.database = database;
|
||||
}
|
||||
|
||||
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
|
||||
|
||||
char separator = ';';
|
||||
|
||||
if (request.getParameter("separator") != null) {
|
||||
separator = request.getParameter("separator").charAt(0);
|
||||
}
|
||||
|
||||
response.setContentType("text/html;charset=utf-8");
|
||||
response.setStatus(HttpServletResponse.SC_OK);
|
||||
PrintWriter out = response.getWriter();
|
||||
|
||||
writeHeader(out);
|
||||
|
||||
out.println("<pre>");
|
||||
out.println("ID" + separator + "Datum" + separator + "Kategorie" + separator + "Betrag" + separator + "Beschreibung");
|
||||
|
||||
List<Transaktion> transactions = null;
|
||||
try {
|
||||
transactions = database.getLastTransactions(((request.getParameter("n") != null) ? Integer.parseInt(request.getParameter("n")) : 50));
|
||||
} catch (SQLException se) {
|
||||
throw new ServletException(se);
|
||||
}
|
||||
|
||||
for (Transaktion t : transactions) {
|
||||
String s = "" + t.id + separator + formatter.format(t.datum) + separator + StringEscapeUtils.escapeHtml4(t.kategorieName) + separator + t.betrag.toPlainString() + separator + ((t.beschreibung == null) ? "" : StringEscapeUtils.escapeHtml4(t.beschreibung));
|
||||
System.out.println(s);
|
||||
out.println(s);
|
||||
}
|
||||
|
||||
out.println("</pre>");
|
||||
|
||||
writeFooter(out);
|
||||
}
|
||||
}
|
||||
|
||||
class ShutdownThread extends Thread {
|
||||
DatabaseController database;
|
||||
|
||||
public ShutdownThread(DatabaseController database) {
|
||||
this.database = database;
|
||||
}
|
||||
|
||||
public void run() {
|
||||
try {
|
||||
database.close();
|
||||
} catch (SQLException se) {
|
||||
log.error(se);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public static void main(String[] args) {
|
||||
Service service = new Service();
|
||||
service.start();
|
||||
}
|
||||
}
|
||||
+32
@@ -0,0 +1,32 @@
|
||||
package de.tilman.transactions;
|
||||
|
||||
import java.math.BigDecimal;
|
||||
import java.util.Date;
|
||||
|
||||
public class Transaktion {
|
||||
public int id;
|
||||
public BigDecimal betrag;
|
||||
public int kategorie;
|
||||
public String kategorieName;
|
||||
public Date datum;
|
||||
public String beschreibung;
|
||||
public int auslage;
|
||||
|
||||
public Transaktion(int id, BigDecimal betrag, int kategorie, Date datum, String beschreibung, int auslage) {
|
||||
this.id = id;
|
||||
this.betrag = betrag;
|
||||
this.kategorie = kategorie;
|
||||
this.datum = datum;
|
||||
this.beschreibung = beschreibung;
|
||||
this.auslage = auslage;
|
||||
}
|
||||
|
||||
public Transaktion(int id, BigDecimal betrag, int kategorie, String kategorieName, Date datum, String beschreibung, int auslage) {
|
||||
this(id, betrag, kategorie, datum, beschreibung, auslage);
|
||||
this.kategorieName = kategorieName;
|
||||
}
|
||||
|
||||
public Transaktion(BigDecimal betrag, int kategorie, Date datum, String beschreibung, int auslage) {
|
||||
this(-1, betrag, kategorie, datum, beschreibung, auslage);
|
||||
}
|
||||
}
|
||||
Executable
+18
@@ -0,0 +1,18 @@
|
||||
package org.example;
|
||||
|
||||
import java.io.IOException;
|
||||
import javax.servlet.ServletException;
|
||||
import javax.servlet.http.HttpServlet;
|
||||
import javax.servlet.http.HttpServletRequest;
|
||||
import javax.servlet.http.HttpServletResponse;
|
||||
|
||||
public class HelloServlet extends HttpServlet
|
||||
{
|
||||
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
|
||||
{
|
||||
response.setContentType("text/html");
|
||||
response.setStatus(HttpServletResponse.SC_OK);
|
||||
response.getWriter().println("<h1>Hello Servlet</h1>");
|
||||
response.getWriter().println("session=" + request.getSession(true).getId());
|
||||
}
|
||||
}
|
||||
Executable
+32
@@ -0,0 +1,32 @@
|
||||
package org.example;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import javax.servlet.ServletException;
|
||||
import javax.servlet.http.HttpServletRequest;
|
||||
import javax.servlet.http.HttpServletResponse;
|
||||
|
||||
import org.mortbay.jetty.HttpConnection;
|
||||
import org.mortbay.jetty.Request;
|
||||
import org.mortbay.jetty.Server;
|
||||
import org.mortbay.jetty.handler.AbstractHandler;
|
||||
|
||||
public class HelloWorld extends AbstractHandler {
|
||||
|
||||
public void handle(String target, HttpServletRequest request, HttpServletResponse response, int dispatch) throws IOException,
|
||||
ServletException {
|
||||
response.setContentType("text/html;charset=utf-8");
|
||||
response.setStatus(HttpServletResponse.SC_OK);
|
||||
response.getWriter().println("<pre>Aloha,\nfunky time</pre>");
|
||||
Request base_request = (request instanceof Request) ? (Request)request:HttpConnection.getCurrentConnection().getRequest();
|
||||
base_request.setHandled(true);
|
||||
}
|
||||
|
||||
public static void main(String[] args) throws Exception {
|
||||
Server server = new Server(8080);
|
||||
server.setHandler(new HelloWorld());
|
||||
|
||||
server.start();
|
||||
server.join();
|
||||
}
|
||||
}
|
||||
Executable
+2
@@ -0,0 +1,2 @@
|
||||
<h1>Hello World Webapp</h1>
|
||||
<a href="/hello">Hello Servlet</a>
|
||||
Executable
+15
@@ -0,0 +1,15 @@
|
||||
<?xml version="1.0" encoding="ISO-8859-1"?>
|
||||
<web-app
|
||||
xmlns="http://java.sun.com/xml/ns/javaee"
|
||||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
|
||||
version="2.5">
|
||||
<servlet>
|
||||
<servlet-name>Hello</servlet-name>
|
||||
<servlet-class>org.example.HelloServlet</servlet-class>
|
||||
</servlet>
|
||||
<servlet-mapping>
|
||||
<servlet-name>Hello</servlet-name>
|
||||
<url-pattern>/hello/*</url-pattern>
|
||||
</servlet-mapping>
|
||||
</web-app>
|
||||
Reference in New Issue
Block a user