/**
* Parses connection options.
*
* @param options options
* @return connection properties
*/
private static Properties connProps(final HashMap<String, String> options) {
final Properties props = new Properties();
for (final Entry<String, String> entry : options.entrySet()) {
props.setProperty(entry.getKey(), entry.getValue());
}
return props;
}
/**
* Initializes the servlet context, based on the servlet context. Parses all context parameters
* and passes them on to the database context.
*
* @param sc servlet context
* @throws IOException I/O exception
*/
static synchronized void init(final ServletContext sc) throws IOException {
// skip process if context has already been initialized
if (context != null) return;
// set servlet path as home directory
final String path = sc.getRealPath("/");
System.setProperty(Prop.PATH, path);
// parse all context parameters
final HashMap<String, String> map = new HashMap<String, String>();
// store default web root
map.put(MainProp.HTTPPATH[0].toString(), path);
final Enumeration<?> en = sc.getInitParameterNames();
while (en.hasMoreElements()) {
final String key = en.nextElement().toString();
if (!key.startsWith(Prop.DBPREFIX)) continue;
// only consider parameters that start with "org.basex."
String val = sc.getInitParameter(key);
if (eq(key, DBUSER, DBPASS, DBMODE, DBVERBOSE)) {
// store servlet-specific parameters as system properties
System.setProperty(key, val);
} else {
// prefix relative paths with absolute servlet path
if (key.endsWith("path") && !new File(val).isAbsolute()) {
val = path + File.separator + val;
}
// store remaining parameters (without project prefix) in map
map.put(key.substring(Prop.DBPREFIX.length()).toUpperCase(Locale.ENGLISH), val);
}
}
context = new Context(map);
if (SERVER.equals(System.getProperty(DBMODE))) {
new BaseXServer(context);
} else {
context.log = new Log(context);
}
}
@Override
public Item item(final QueryContext qc, final InputInfo ii) throws QueryException {
checkCreate(qc);
// URL to relational database
final String url = string(toToken(exprs[0], qc));
final JDBCConnections jdbc = jdbc(qc);
try {
if (exprs.length > 2) {
// credentials
final String user = string(toToken(exprs[1], qc));
final String pass = string(toToken(exprs[2], qc));
if (exprs.length == 4) {
// connection options
final Options opts = toOptions(3, Q_OPTIONS, new Options(), qc);
// extract auto-commit mode from options
boolean ac = true;
final HashMap<String, String> options = opts.free();
final String commit = options.get(AUTO_COMM);
if (commit != null) {
ac = Strings.yes(commit);
options.remove(AUTO_COMM);
}
// connection properties
final Properties props = connProps(options);
props.setProperty(USER, user);
props.setProperty(PASS, pass);
// open connection
final Connection conn = getConnection(url, props);
// set auto/commit mode
conn.setAutoCommit(ac);
return Int.get(jdbc.add(conn));
}
return Int.get(jdbc.add(getConnection(url, user, pass)));
}
return Int.get(jdbc.add(getConnection(url)));
} catch (final SQLException ex) {
throw BXSQ_ERROR_X.get(info, ex);
}
}
/** Reads in the property file. */
static {
try {
final String file = "/completions.properties";
final InputStream is = TextPanel.class.getResourceAsStream(file);
if (is == null) {
Util.errln(file + " not found.");
} else {
try (final NewlineInput nli = new NewlineInput(is)) {
for (String line; (line = nli.readLine()) != null; ) {
final int i = line.indexOf('=');
if (i == -1 || line.startsWith("#")) continue;
final String key = line.substring(0, i), value = line.substring(i + 1);
if (REPLACE.put(key, value.replace("\\n", "\n")) != null) {
Util.errln(file + ": " + key + " was assigned twice");
}
}
}
}
} catch (final IOException ex) {
Util.errln(ex);
}
}