private synchronized void init() throws SQLException {
if (isClosed) return;
// do tables exists?
Statement stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery(TABLE_NAMES_SELECT_STMT);
ArrayList<String> missingTables = new ArrayList(TABLES.keySet());
while (rs.next()) {
String tableName = rs.getString("name");
missingTables.remove(tableName);
}
for (String missingTable : missingTables) {
try {
Statement createStmt = conn.createStatement();
// System.out.println("Adding table "+ missingTable);
createStmt.executeUpdate(TABLES.get(missingTable));
createStmt.close();
} catch (Exception e) {
System.err.println(e.getClass().getName() + ": " + e.getMessage());
}
}
}
/**
* Writes the index file out to <code>jos</code>. <code>oldEntries</code> gives the names of the
* files that were removed, <code>movedMap</code> maps from the new name to the old name.
*/
private static void createIndex(JarOutputStream jos, List oldEntries, Map movedMap)
throws IOException {
StringWriter writer = new StringWriter();
writer.write(VERSION_HEADER);
writer.write("\r\n");
// Write out entries that have been removed
for (int counter = 0; counter < oldEntries.size(); counter++) {
String name = (String) oldEntries.get(counter);
writer.write(REMOVE_COMMAND);
writer.write(" ");
writeEscapedString(writer, name);
writer.write("\r\n");
}
// And those that have moved
Iterator names = movedMap.keySet().iterator();
if (names != null) {
while (names.hasNext()) {
String newName = (String) names.next();
String oldName = (String) movedMap.get(newName);
writer.write(MOVE_COMMAND);
writer.write(" ");
writeEscapedString(writer, oldName);
writer.write(" ");
writeEscapedString(writer, newName);
writer.write("\r\n");
}
}
JarEntry je = new JarEntry(INDEX_NAME);
byte[] bytes = writer.toString().getBytes("UTF-8");
writer.close();
jos.putNextEntry(je);
jos.write(bytes, 0, bytes.length);
}
