protected ReportParameterValue[] getParamValuesFromDataSource(
ReportParameter param, Map<String, Object> parameters) throws ProviderException {
Connection conn = null;
PreparedStatement pStmt = null;
ResultSet rs = null;
try {
ReportDataSource dataSource = param.getDataSource();
conn = dataSourceProvider.getConnection(dataSource.getId());
if (parameters == null || parameters.isEmpty()) {
pStmt = conn.prepareStatement(param.getData());
} else {
}
rs = pStmt.executeQuery();
ResultSetMetaData rsMetaData = rs.getMetaData();
boolean multipleColumns = false;
if (rsMetaData.getColumnCount() > 1) multipleColumns = true;
ArrayList<ReportParameterValue> v = new ArrayList<ReportParameterValue>();
while (rs.next()) {
ReportParameterValue value = new ReportParameterValue();
if (param.getClassName().equals("java.lang.String")) {
value.setId(rs.getString(1));
} else if (param.getClassName().equals("java.lang.Double")) {
value.setId(new Double(rs.getDouble(1)));
} else if (param.getClassName().equals("java.lang.Integer")) {
value.setId(new Integer(rs.getInt(1)));
} else if (param.getClassName().equals("java.lang.Long")) {
value.setId(new Long(rs.getLong(1)));
} else if (param.getClassName().equals("java.math.BigDecimal")) {
value.setId(rs.getBigDecimal(1));
} else if (param.getClassName().equals("java.util.Date")) {
value.setId(rs.getDate(1));
} else if (param.getClassName().equals("java.sql.Date")) {
value.setId(rs.getDate(1));
} else if (param.getClassName().equals("java.sql.Timestamp")) {
value.setId(rs.getTimestamp(1));
}
if (multipleColumns) {
value.setDescription(rs.getString(2));
}
v.add(value);
}
rs.close();
ReportParameterValue[] values = new ReportParameterValue[v.size()];
v.toArray(values);
return values;
} catch (Exception e) {
throw new ProviderException("Error retreiving param values from database: " + e.getMessage());
} finally {
try {
if (pStmt != null) pStmt.close();
if (conn != null) conn.close();
} catch (Exception c) {
log.error("Error closing");
}
}
}