private int[] getSelectedRows(int[] selectedRowsNumber, Map[] selectedRowsKeys, Tab tab) {
if (selectedRowsKeys == null || selectedRowsKeys.length == 0) return new int[0];
// selectedRowsNumber is the most performant so we use it when possible
else if (selectedRowsNumber.length == selectedRowsKeys.length) return selectedRowsNumber;
else {
// find the rows from the selectedKeys
// This has a poor performance, but it covers the case when the selected
// rows are not loaded for the tab, something that can occurs if the user
// select rows and afterwards reorder the list.
try {
int[] s = new int[selectedRowsKeys.length];
List selectedKeys = Arrays.asList(selectedRowsKeys);
int end = tab.getTableModel().getTotalSize();
int x = 0;
for (int i = 0; i < end; i++) {
Map key = (Map) tab.getTableModel().getObjectAt(i);
if (selectedKeys.contains(key)) {
s[x] = i;
x++;
}
}
return s;
} catch (Exception ex) {
log.warn(XavaResources.getString("fails_selected"), ex);
throw new XavaException("fails_selected");
}
}
}
private void loadDatabaseMetadata() {
if (!databaseMetadataLoaded) {
String componentName = "UNKNOWN";
Connection con = null;
try {
componentName = getMetaComponent().getName();
con = DataSourceConnectionProvider.getByComponent(componentName).getConnection();
DatabaseMetaData metaData = con.getMetaData();
supportsSchemasInDataManipulation = metaData.supportsSchemasInDataManipulation();
Collection timeDateFunctions =
Strings.toCollection(metaData.getTimeDateFunctions().toUpperCase());
//
// another solution instead of the use of 'if' would be to use a xml with
// the information of the functions from each BBDD
if ("DB2 UDB for AS/400".equals(metaData.getDatabaseProductName())
|| "Oracle".equals(metaData.getDatabaseProductName())
|| "PostgresSQL".equals(metaData.getDatabaseProductName())) {
supportsTranslateFunction = true;
}
if ("Oracle".equals(metaData.getDatabaseProductName())
|| "PostgreSQL".equals(metaData.getDatabaseProductName())) {
supportsYearFunction = supportsMonthFunction = false;
} else {
supportsYearFunction = timeDateFunctions.contains("YEAR");
supportsMonthFunction = timeDateFunctions.contains("MONTH");
}
databaseMetadataLoaded = true;
} catch (Exception ex) {
log.warn(XavaResources.getString("load_database_metadata_warning"));
} finally {
try {
if (con != null) {
con.close();
}
} catch (SQLException e) {
log.warn(XavaResources.getString("close_connection_warning"));
}
}
}
}