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/*
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* SONEWS News Server
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* see AUTHORS for the list of contributors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sonews.util;
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import java.io.BufferedReader;
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import java.io.InputStreamReader;
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import java.sql.Connection;
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import java.sql.DriverManager;
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import java.sql.SQLException;
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import java.sql.Statement;
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import java.util.HashMap;
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import java.util.Map;
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import org.sonews.util.io.Resource;
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/**
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* Database setup utility class.
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* @author Christian Lins
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* @since sonews/0.5.0
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*/
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public final class DatabaseSetup {
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private static final Map<String, String> templateMap = new HashMap<String, String>();
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private static final Map<String, StringTemplate> urlMap = new HashMap<String, StringTemplate>();
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private static final Map<String, String> driverMap = new HashMap<String, String>();
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static {
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templateMap.put("1", "helpers/database_mysql5_tmpl.sql");
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templateMap.put("2", "helpers/database_postgresql8_tmpl.sql");
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templateMap.put("3", "helpers/database_hsqldb_tmpl.sql");
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urlMap.put("1", new StringTemplate("jdbc:mysql://%HOSTNAME/%DB"));
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urlMap.put("2", new StringTemplate("jdbc:postgresql://%HOSTNAME/%DB"));
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driverMap.put("1", "com.mysql.jdbc.Driver");
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driverMap.put("2", "org.postgresql.Driver");
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driverMap.put("3", "org.hsqldb.jdbcDriver");
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}
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public static void main(String[] args)
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throws Exception {
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loadJDBCDriver();
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if (args.length == 0) {
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System.out.println("sonews Database setup helper");
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System.out.println("This program will create a initial database table structure");
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System.out.println("for the sonews Newsserver.");
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System.out.println("You need to create a database and a db user manually before!");
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System.out.println("Select DBMS type:");
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System.out.println("[1] MySQL 5.x or higher");
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System.out.println("[2] PostgreSQL 8.x or higher");
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System.out.print("Your choice: ");
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BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
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String dbmsType = in.readLine();
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String tmplName = templateMap.get(dbmsType);
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if (tmplName == null) {
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System.err.println("Invalid choice. Try again you fool!");
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main(args);
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return;
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}
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String tmpl = Resource.getAsString(tmplName, true);
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System.out.print("Database server hostname (e.g. localhost): ");
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String dbHostname = in.readLine();
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System.out.print("Database name: ");
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String dbName = in.readLine();
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System.out.print("Give name of DB user that can create tables: ");
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String dbUser = in.readLine();
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System.out.print("Password: ");
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String dbPassword = in.readLine();
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String url = urlMap.get(dbmsType).set("HOSTNAME", dbHostname).set("DB", dbName).toString();
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createTables(tmpl, url, dbUser, dbPassword);
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// TODO: Create config file
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} else if(args.length == 4) {
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String tmplName = args[0];
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String url = args[1];
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String dbUser = args[2];
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String dbPassword = args[3];
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String tmpl = Resource.getAsString(tmplName, true);
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createTables(tmpl, url, dbUser, dbPassword);
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} else {
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System.out.println("Wrong number of parameters!");
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}
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System.out.println("Ok");
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}
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public static void createTables(String tmpl, String url, String dbUser, String dbPassword)
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throws SQLException {
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Connection conn =
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DriverManager.getConnection(url, dbUser, dbPassword);
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String[] tmplChunks = tmpl.split(";");
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for (String chunk : tmplChunks) {
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if (chunk.trim().equals("")) {
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continue;
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}
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Statement stmt = conn.createStatement();
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stmt.execute(chunk);
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}
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conn.commit();
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conn.close();
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}
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public static void loadJDBCDriver() {
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for(String className : driverMap.values()) {
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try {
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Class.forName(className);
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} catch (ClassNotFoundException ex) {
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System.out.println("Could not load JDBC driver: " + className);
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}
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}
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}
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}
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