// return all grantees: thr_0, thr_1, thr_2 ..., excluding itself
private static String getAllGrantees() {
StringBuffer aStr = new StringBuffer(" ");
Map<String, String> userPasswd =
(Map<String, String>) SQLBB.getBB().getSharedMap().get(SQLSecurityTest.userPasswdMap);
for (Map.Entry<String, String> e : userPasswd.entrySet()) {
if (!e.getKey().equalsIgnoreCase("thr_" + RemoteTestModule.getCurrentThread().getThreadId()))
aStr.append(e.getKey() + ", ");
}
if (aStr.charAt(aStr.length() - 2) == ',') {
aStr.deleteCharAt(aStr.length() - 2);
}
aStr.deleteCharAt(0); // delete the leading space
return aStr.toString();
}
// return optionally any insert, delete, trigger, select [col list], update [col list]
private String getPrivilegeLists(String tableName) {
StringBuffer aStr = new StringBuffer(" ");
for (int i = 0; i < tablePriv.length; i++) {
if (SQLTest.random.nextBoolean()) {
aStr.append(tablePriv[i]); // insert delete etc
if (i > 2) {
aStr.append(getColumnLists(tableName)); // column list for the table
} // may include column list
aStr.append(", ");
}
}
if (aStr.charAt(aStr.length() - 2) == ',') {
aStr.deleteCharAt(aStr.length() - 2);
}
aStr.deleteCharAt(0); // delete the leading space
return aStr.toString();
}
// returns column list: column-id, column-id ...
private String getColumnLists(String tableName) {
List<String> colNames = (List<String>) tableCols.get(tableName);
StringBuffer aStr = new StringBuffer(" ");
for (int i = 0; i < colNames.size(); i++) {
if (SQLTest.random.nextBoolean()) {
aStr.append(colNames.get(i) + ", ");
}
}
if (aStr.charAt(aStr.length() - 2) == ',') {
aStr.deleteCharAt(aStr.length() - 2);
}
aStr.deleteCharAt(0); // delete the leading space
if (aStr.length() != 1) {
aStr.insert(1, '(');
aStr.append(')');
} // has column
return aStr.toString();
}
// any number of users excluding itself
private static String getGrantees(int num) {
StringBuffer aStr = new StringBuffer(" ");
Map<String, String> userPasswd =
(Map<String, String>) SQLBB.getBB().getSharedMap().get(SQLSecurityTest.userPasswdMap);
userPasswd.remove("thr_" + RemoteTestModule.getCurrentThread().getThreadId());
String[] users = new String[userPasswd.size()];
userPasswd.keySet().toArray(users);
int i = 0;
while (i < num) {
int x = SQLTest.random.nextInt(users.length);
aStr.append(users[x] + ", ");
i++;
}
if (aStr.charAt(aStr.length() - 2) == ',') {
aStr.deleteCharAt(aStr.length() - 2);
}
aStr.deleteCharAt(0); // delete the leading space
return aStr.toString();
}
private void addModuleScore(Connection conn, List row, int modId, int studId, boolean isPractice)
throws SQLException {
ResultSet rs = null;
PreparedStatement stmt = null;
try {
String q =
"select isCorrect,userInput,eventType,qid from eventlog where userid=? and (eventType='survey.evalq' or eventType='evalq' or eventType='evaltq' or eventType='survey.evaltq') and modId=?";
stmt = conn.prepareStatement(q);
stmt.setInt(1, studId);
stmt.setInt(2, modId);
rs = stmt.executeQuery();
StringBuffer surveyAnswers = new StringBuffer();
int nQuestions = 0;
int nCorrect = 0;
while (rs.next()) {
boolean isCorrect = rs.getBoolean(1);
String input = rs.getString(2);
String eventType = rs.getString(3);
int qid = rs.getInt(4);
if (eventType.equals("survey.evalq") || eventType.equals("survey.evaltq"))
surveyAnswers.append("(" + qid + " " + input + ") |");
else {
nQuestions++;
if (isCorrect) nCorrect++;
}
}
if (surveyAnswers.length() > 0) surveyAnswers.deleteCharAt(surveyAnswers.length() - 1);
if (!isPractice) row.add(String.format("%5.2f", (nCorrect / ((double) nQuestions) * 100.0)));
else row.add("");
row.add(surveyAnswers.toString());
} finally {
if (stmt != null) stmt.close();
if (rs != null) rs.close();
}
}
