1 | /*
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2 | * DerbyWrapper.java
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3 | * Copyright (C) 2008 New Zealand Digital Library, http://www.nzdl.org
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4 | *
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5 | * This program is free software; you can redistribute it and/or modify
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6 | * it under the terms of the GNU General Public License as published by
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7 | * the Free Software Foundation; either version 2 of the License, or
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8 | * (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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18 | */
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19 | package org.greenstone.gsdl3.util;
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20 |
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21 | import javax.swing.*;
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22 |
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23 | import org.greenstone.gsdl3.service.Authentication;
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24 |
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25 | import java.io.File;
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26 | import java.sql.Connection;
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27 | import java.sql.DriverManager;
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28 | import java.sql.ResultSet;
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29 | import java.sql.SQLException;
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30 | import java.sql.SQLWarning;
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31 | import java.sql.Statement;
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32 | import java.util.ArrayList;
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33 | import java.util.HashMap;
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34 | import java.util.Properties;
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35 |
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36 | public class DerbyWrapper
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37 | {
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38 | static final String PROTOCOL = "jdbc:derby:";
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39 | static final String DRIVER = "org.apache.derby.jdbc.EmbeddedDriver";
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40 | static final String USERSDB = "usersDB";
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41 | static final String USERS = "users";
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42 | static final String ROLES = "roles";
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43 | private Connection conn = null;
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44 | private Statement state = null;
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45 | private String protocol_str;
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46 |
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47 | public DerbyWrapper()
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48 | {
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49 | }
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50 |
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51 | public DerbyWrapper(String dbpath)
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52 | {
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53 | connectDatabase(dbpath, false);
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54 | }
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55 |
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56 | public void connectDatabase(String dbpath, boolean create_database)
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57 | {
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58 | try
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59 | {
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60 | Class.forName(DRIVER).newInstance();
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61 | //System.out.println("Loaded the embedded driver.");
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62 | protocol_str = PROTOCOL + dbpath;
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63 | if (create_database)
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64 | {
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65 | conn = DriverManager.getConnection(protocol_str + ";create=true");
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66 | }
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67 | else
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68 | {
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69 | conn = DriverManager.getConnection(protocol_str);
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70 | }
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71 | state = conn.createStatement();
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72 | }
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73 | catch (Throwable e)
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74 | {
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75 | System.out.println("exception thrown:");
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76 | if (e instanceof SQLException)
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77 | {
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78 | printSQLError((SQLException) e);
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79 | }
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80 | else
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81 | {
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82 | e.printStackTrace();
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83 | }
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84 | }
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85 | }
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86 |
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87 | public void closeDatabase()
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88 | {
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89 | //state = null;
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90 | //conn = null;
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91 | boolean gotSQLExc = false;
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92 | try
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93 | {
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94 | // shutdown the database
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95 | DriverManager.getConnection(protocol_str + ";shutdown=true");
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96 |
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97 | }
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98 | catch (SQLException se)
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99 | {
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100 | // this is good (i.e. what Derby is designed to do on a successful shutdown)
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101 | gotSQLExc = true;
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102 | }
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103 | catch (Exception e) {
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104 | e.printStackTrace();
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105 | }
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106 |
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107 | if (!gotSQLExc)
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108 | {
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109 | System.err.println("Warning: Derby Database did not shut down normally");
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110 | }
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111 | }
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112 |
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113 | public static void shutdownDatabaseServer()
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114 | {
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115 | boolean gotSQLExc = false;
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116 |
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117 | try {
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118 | // shutdown the whole server
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119 | DriverManager.getConnection(PROTOCOL + ";shutdown=true");
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120 |
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121 | }
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122 | catch (SQLException se) {
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123 | // this is good (i.e. what Derby is designed to do on a successful shutdown)
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124 | gotSQLExc = true;
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125 | //System.out.println("Shutdown returned: " + se);
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126 | }
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127 | catch (Exception e) {
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128 |
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129 | e.printStackTrace();
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130 | }
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131 | if (!gotSQLExc) {
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132 | System.err.println("Warning: Derby did not shut down normally");
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133 | }
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134 |
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135 | }
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136 |
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137 | public void createDatabase()
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138 | {
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139 | try
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140 | {
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141 | conn.setAutoCommit(false);
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142 | state.execute("create table users (username varchar(40) not null, password varchar(40) not null, accountstatus varchar(10), comment varchar(100), email varchar(40), primary key(username))");
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143 | state.execute("create table roles (username varchar(40) not null, role varchar(40) not null, primary key (username, role))");
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144 | state.execute("insert into " + USERS + " values ('admin', '" + Authentication.hashPassword("admin") + "', 'true', 'change the password for this account as soon as possible', '')");
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145 | state.execute("insert into " + ROLES + " values ('admin', 'administrator')");
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146 | state.execute("insert into " + ROLES + " values ('admin', 'all-collections-editor')");
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147 | conn.commit();
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148 | }
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149 | catch (Exception ex)
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150 | {
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151 | ex.printStackTrace();
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152 | }
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153 | }
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154 |
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155 | public UserQueryResult listAllUser() throws SQLException
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156 | {
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157 | UserQueryResult userQueryResult = new UserQueryResult();
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158 | String sql_list_all_user = "SELECT username, password, accountstatus, email, comment FROM " + USERS;
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159 |
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160 | ArrayList<HashMap<String, String>> users = new ArrayList<HashMap<String, String>>();
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161 | ResultSet rs = state.executeQuery(sql_list_all_user);
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162 | while (rs.next())
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163 | {
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164 | HashMap<String, String> user = new HashMap<String, String>();
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165 | user.put("username", rs.getString("username"));
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166 | user.put("password", rs.getString("password"));
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167 | user.put("as", rs.getString("accountstatus"));
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168 | user.put("comment", rs.getString("comment"));
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169 | user.put("email", rs.getString("email"));
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170 |
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171 | users.add(user);
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172 | }
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173 |
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174 | for (HashMap<String, String> user : users)
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175 | {
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176 | ResultSet gs = state.executeQuery("SELECT role FROM roles WHERE username = '" + user.get("username") + "'");
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177 | String group = "";
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178 | while (gs.next())
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179 | {
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180 | if (!group.equals(""))
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181 | {
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182 | group += ",";
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183 | }
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184 | group += gs.getString("role");
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185 | }
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186 | userQueryResult.addUserTerm(user.get("username"), user.get("password"), group, user.get("as"), user.get("comment"), user.get("email"));
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187 | }
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188 |
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189 | if (userQueryResult.getSize() == 0)
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190 | {
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191 | System.out.println("couldn't find any users");
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192 | return null;
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193 | }
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194 | else
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195 | {
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196 | return userQueryResult;
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197 | }
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198 | }
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199 |
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200 | public boolean addUser(String username, String password, String groups, String accountstatus, String comment, String email)
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201 | {
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202 | try
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203 | {
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204 | conn.setAutoCommit(false);
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205 | String sql_insert_user = "insert into " + USERS + " values ('" + username + "', '" + password + "', '" + accountstatus + "', '" + comment + "', '" + email + "')";
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206 | state.execute(sql_insert_user);
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207 |
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208 | String[] groupArray = groups.split(",");
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209 | for (String g : groupArray)
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210 | {
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211 | String sql_insert_group = "insert into " + ROLES + " values ('" + username + "', '" + g + "')";
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212 | state.execute(sql_insert_group);
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213 | }
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214 |
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215 | conn.commit();
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216 | }
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217 | catch (Throwable e)
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218 | {
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219 | System.out.println("exception thrown:");
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220 | if (e instanceof SQLException)
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221 | {
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222 | printSQLError((SQLException) e);
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223 | }
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224 | else
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225 | {
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226 | e.printStackTrace();
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227 | }
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228 | closeDatabase();
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229 | System.out.println("Error:" + e.getMessage());
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230 | return false;
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231 | }
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232 |
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233 | return true;
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234 | }
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235 |
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236 | public boolean deleteUser(String del_username)
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237 | {
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238 | try
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239 | {
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240 | conn.setAutoCommit(false);
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241 | String sql_delete_user = "delete from " + USERS + " where username='" + del_username + "'";
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242 | String sql_delete_groups = "delete from " + ROLES + " where username='" + del_username + "'";
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243 | state.execute(sql_delete_user);
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244 | state.execute(sql_delete_groups);
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245 | conn.commit();
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246 | }
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247 | catch (Throwable e)
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248 | {
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249 | System.out.println("exception thrown:");
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250 | if (e instanceof SQLException)
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251 | {
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252 | printSQLError((SQLException) e);
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253 | }
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254 | else
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255 | {
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256 | e.printStackTrace();
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257 | }
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258 | closeDatabase();
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259 | return false;
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260 | }
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261 | return true;
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262 | }
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263 |
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264 | public boolean deleteAllUser() throws SQLException
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265 | {
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266 | conn.setAutoCommit(false);
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267 | try
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268 | {
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269 | state.execute("delete from " + USERS);
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270 | state.execute("delete from " + ROLES);
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271 | conn.commit();
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272 | }
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273 | catch (Throwable e)
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274 | {
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275 | System.out.println("exception thrown:");
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276 | if (e instanceof SQLException)
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277 | {
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278 | printSQLError((SQLException) e);
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279 | }
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280 | else
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281 | {
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282 | e.printStackTrace();
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283 | }
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284 | closeDatabase();
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285 | return false;
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286 | }
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287 | return true;
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288 | }
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289 |
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290 | public UserQueryResult findUser(String username, String password)
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291 | {
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292 | UserQueryResult userQueryResult = new UserQueryResult();
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293 |
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294 | try
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295 | {
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296 | conn.setAutoCommit(false);
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297 | }
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298 | catch (Exception ex)
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299 | {
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300 | ex.printStackTrace();
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301 | return null;
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302 | }
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303 |
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304 | String sql_find_user = "SELECT username, password, accountstatus, comment, email FROM " + USERS;
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305 | String append_sql = "";
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306 |
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307 | if (username != null)
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308 | {
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309 | append_sql = " WHERE username = '" + username + "'";
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310 | }
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311 | if (password != null)
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312 | {
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313 | if (append_sql.equals(""))
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314 | {
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315 | append_sql = " WHERE password = '" + password + "'";
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316 | }
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317 | else
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318 | {
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319 | append_sql += " and password = '" + password + "'";
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320 | }
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321 | }
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322 | if (!append_sql.equals(""))
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323 | {
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324 | sql_find_user += append_sql;
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325 | }
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326 |
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327 | try
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328 | {
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329 | ArrayList<HashMap<String, String>> users = new ArrayList<HashMap<String, String>>();
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330 | ResultSet rs = state.executeQuery(sql_find_user);
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331 | while (rs.next())
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332 | {
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333 | HashMap<String, String> user = new HashMap<String, String>();
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334 | user.put("username", rs.getString("username"));
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335 | user.put("password", rs.getString("password"));
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336 | user.put("as", rs.getString("accountstatus"));
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337 | user.put("comment", rs.getString("comment"));
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338 | user.put("email", rs.getString("email"));
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339 |
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340 | users.add(user);
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341 | }
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342 | conn.commit();
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343 |
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344 | for (HashMap<String, String> user : users)
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345 | {
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346 | ResultSet gs = state.executeQuery("SELECT role FROM " + ROLES + " WHERE username = '" + user.get("username") + "'");
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347 |
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348 | String group = "";
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349 | while (gs.next())
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350 | {
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351 | if (!group.equals(""))
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352 | {
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353 | group += ",";
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354 | }
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355 | group += gs.getString("role");
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356 | }
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357 |
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358 | userQueryResult.addUserTerm(user.get("username"), user.get("password"), group, user.get("as"), user.get("comment"), user.get("email"));
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359 | }
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360 | }
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361 | catch (Exception ex)
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362 | {
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363 | ex.printStackTrace();
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364 | return null;
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365 | }
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366 |
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367 | if (userQueryResult.getSize() > 0)
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368 | {
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369 | return userQueryResult;
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370 | }
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371 | else
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372 | {
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373 | return null;
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374 | }
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375 | }
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376 |
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377 | // findUser(null) will return all users, which is why a UserQueryResult
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378 | // (a vector of UserTermInfo) is returned
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379 | public UserQueryResult findUser(String username) throws SQLException
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380 | {
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381 | UserQueryResult userQueryResult = new UserQueryResult();
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382 |
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383 | conn.setAutoCommit(false);
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384 | String sql_find_user = "SELECT username, password, accountstatus, comment, email FROM " + USERS;
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385 | String append_sql = "";
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386 |
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387 | if (username != null)
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388 | {
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389 | append_sql = " WHERE username = '" + username + "'";
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390 | }
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391 | if (!append_sql.equals(""))
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392 | {
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393 | sql_find_user += append_sql;
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394 | }
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395 |
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396 | ArrayList<HashMap<String, String>> users = new ArrayList<HashMap<String, String>>();
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397 | ResultSet rs = state.executeQuery(sql_find_user);
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398 | while (rs.next())
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399 | {
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400 | HashMap<String, String> user = new HashMap<String, String>();
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401 | user.put("username", rs.getString("username"));
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402 | user.put("password", rs.getString("password"));
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403 | user.put("as", rs.getString("accountstatus"));
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404 | user.put("comment", rs.getString("comment"));
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405 | user.put("email", rs.getString("email"));
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406 |
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407 | users.add(user);
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408 | }
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409 | conn.commit();
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410 |
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411 | for (HashMap<String, String> user : users)
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412 | {
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413 | ResultSet gs = state.executeQuery("SELECT role FROM " + ROLES + " WHERE username = '" + user.get("username") + "'");
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414 |
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415 | String group = "";
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416 | while (gs.next())
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417 | {
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418 | if (!group.equals(""))
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419 | {
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420 | group += ",";
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421 | }
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422 | group += gs.getString("role");
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423 | }
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424 |
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425 | userQueryResult.addUserTerm(user.get("username"), user.get("password"), group, user.get("as"), user.get("comment"), user.get("email"));
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426 | }
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427 |
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428 | if (userQueryResult.getSize() > 0)
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429 | {
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430 | return userQueryResult;
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431 | }
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432 | else
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433 | {
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434 | System.out.println("couldn't find the user");
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435 | return null;
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436 | }
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437 | }
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438 |
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439 | public String modifyUserInfo(String username, String new_password, String groups, String accountstatus, String comment, String email)
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440 | {
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441 | try
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442 | {
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443 | conn.setAutoCommit(false);
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444 | String sql_modify_user_info = "update " + USERS + " set ";
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445 |
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446 | boolean needComma = false;
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447 | if (new_password != null && !new_password.equals(""))
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448 | {
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449 | sql_modify_user_info += "password='" + new_password + "'";
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450 | needComma = true;
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451 | }
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452 |
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453 | if (accountstatus != null && comment != null)
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454 | {
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455 | sql_modify_user_info += (needComma ? "," : "") + " accountstatus='" + accountstatus + "'" + ", comment='" + comment + "'";
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456 | needComma = true;
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457 | }
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458 |
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459 | if(email != null)
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460 | {
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461 | sql_modify_user_info += (needComma ? "," : "") + " email='" + email + "'";
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462 | }
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463 |
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464 | sql_modify_user_info += " where username='" + username + "'";
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465 | state.execute(sql_modify_user_info);
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466 |
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467 | String sql_delete_groups = "delete from " + ROLES + " where username='" + username + "'";
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468 | state.execute(sql_delete_groups);
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469 |
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470 | String[] groupsArray = groups.split(",");
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471 | for (String g : groupsArray)
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472 | {
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473 | String sql_insert_group = "insert into " + ROLES + " values ('" + username + "', '" + g + "')";
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474 | state.execute(sql_insert_group);
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475 | }
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476 |
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477 | conn.commit();
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478 | }
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479 | catch (Throwable e)
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480 | {
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481 | System.out.println("exception thrown:");
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482 | if (e instanceof SQLException)
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483 | {
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484 | printSQLError((SQLException) e);
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485 | }
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486 | else
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487 | {
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488 | e.printStackTrace();
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489 | }
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490 | closeDatabase();
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491 | return "Error:" + e.getMessage();
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492 | }
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493 | return "succeed";
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494 | }
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495 |
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496 | public void db2txt()
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497 | {
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498 | System.err.println(db2txtString());
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499 | }
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500 |
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501 | public String db2txtString()
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502 | {
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503 | //String db2txt = "Error in converting db2txt string.";
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504 | String db2txt = "";
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505 | try
|
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506 | {
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507 | conn.setAutoCommit(false); // An exception at this line can happen when the GS3 tomcat server is already running
|
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508 | // and GS3 is already accessing the usersDB when this function independently tries to
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509 | // connect to it (via usersDB2txt.java's main(). For an explanation of the possible
|
---|
510 | // reasons, see http://db.apache.org/derby/papers/DerbyTut/embedded_intro.html
|
---|
511 | // section "Embedded Derby supports multiple users in one JVM".
|
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512 | String sql_list_all_user = "select username, password, accountstatus, comment, email from " + USERS;
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---|
513 | ResultSet rs = state.executeQuery(sql_list_all_user);
|
---|
514 |
|
---|
515 | ArrayList<HashMap<String, String>> infoMap = new ArrayList<HashMap<String, String>>();
|
---|
516 |
|
---|
517 | while (rs.next())
|
---|
518 | {
|
---|
519 | HashMap<String, String> userMap = new HashMap<String, String>();
|
---|
520 | userMap.put("username", rs.getString("username"));
|
---|
521 | userMap.put("password", rs.getString("password"));
|
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522 | userMap.put("status", rs.getString("accountstatus"));
|
---|
523 | userMap.put("comment", rs.getString("comment"));
|
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524 | userMap.put("email", rs.getString("email"));
|
---|
525 | infoMap.add(userMap);
|
---|
526 | }
|
---|
527 | conn.commit();
|
---|
528 |
|
---|
529 | StringBuffer buffer = new StringBuffer();//("-------------------------------------");
|
---|
530 | for (HashMap<String, String> user : infoMap)
|
---|
531 | {
|
---|
532 | ResultSet groupsSet = state.executeQuery("SELECT role FROM " + ROLES + " WHERE username = '" + user.get("username") + "'");
|
---|
533 | String returnedGroups = "";
|
---|
534 | while (groupsSet.next())
|
---|
535 | {
|
---|
536 | if (!returnedGroups.equals(""))
|
---|
537 | {
|
---|
538 | returnedGroups += ",";
|
---|
539 | }
|
---|
540 | returnedGroups += groupsSet.getString("role");
|
---|
541 | }
|
---|
542 | conn.commit();
|
---|
543 |
|
---|
544 | buffer.append("USERNAME = " + user.get("username"));
|
---|
545 | buffer.append("\nPASSWORD = " + user.get("password"));
|
---|
546 | buffer.append("\nGROUPS = " + returnedGroups);
|
---|
547 | buffer.append("\nSTATUS = " + user.get("status"));
|
---|
548 | buffer.append("\nCOMMENT = " + user.get("comment"));
|
---|
549 | buffer.append("\nEMAIL = " + user.get("email"));
|
---|
550 | buffer.append("\n-------------------------------------\n");
|
---|
551 | }
|
---|
552 | db2txt = buffer.toString();
|
---|
553 |
|
---|
554 | conn.commit();
|
---|
555 | closeDatabase();
|
---|
556 | }
|
---|
557 | catch (Exception ex)
|
---|
558 | {
|
---|
559 | ex.printStackTrace();
|
---|
560 | } finally {
|
---|
561 | return db2txt;
|
---|
562 | }
|
---|
563 | }
|
---|
564 |
|
---|
565 | static void printSQLError(SQLException e)
|
---|
566 | {
|
---|
567 | while (e != null)
|
---|
568 | {
|
---|
569 | System.out.println(e.toString());
|
---|
570 | e = e.getNextException();
|
---|
571 | }
|
---|
572 | }
|
---|
573 | }
|
---|