/**
* Returns the specified image as icon.
*
* @param name name of icon
* @return icon
*/
public static ImageIcon icon(final String name) {
ImageIcon ii = ICONS.get(name);
if (ii != null) return ii;
Image img;
if (GUIConstants.scale > 1) {
// choose large image or none
final URL url =
GUIConstants.large() ? BaseXImages.class.getResource("/img/" + name + "_32.png") : null;
if (url == null) {
// resize low-res image if no hi-res image exists
img = get(url(name));
final int w = (int) (img.getWidth(null) * GUIConstants.scale);
final int h = (int) (img.getHeight(null) * GUIConstants.scale);
final BufferedImage tmp = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
final Graphics2D g2 = tmp.createGraphics();
g2.setRenderingHint(
RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
g2.drawImage(img, 0, 0, w, h, null);
g2.dispose();
img = tmp;
} else {
img = get(url);
}
} else {
img = get(name);
}
ii = new ImageIcon(img);
ICONS.put(name, ii);
return ii;
}
/**
* Returns an icon for the specified file.
*
* @param file file reference
* @return icon
*/
public static Icon file(final IOFile file) {
if (file == null) return UNKNOWN;
// fallback code for displaying icons
final String path = file.path();
final MediaType type = MediaType.get(path);
if (type.isXML()) return XML;
if (type.isXQuery()) return XQUERY;
if (path.contains(IO.BASEXSUFFIX)) return BASEX;
// only works with standard dpi (https://bugs.openjdk.java.net/browse/JDK-6817929)
if (Prop.WIN && !GUIConstants.large()) {
// retrieve system icons (only supported on Windows)
final int p = path.lastIndexOf(path, '.');
final String suffix = p == -1 ? null : path.substring(p + 1);
Icon icon = null;
if (suffix != null) icon = FILES.get(suffix);
if (icon == null) {
icon = FS.getSystemIcon(file.file());
if (suffix != null) FILES.put(suffix, icon);
}
return icon;
}
// default icon chooser
return type.isText() ? TEXT : UNKNOWN;
}
/**
* 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;
}
/**
* Parses the query.
*
* @param p performance
* @throws QueryException query exception
*/
private void parse(final Performance p) throws QueryException {
qp.http(http);
for (final Entry<String, String[]> entry : vars.entrySet()) {
final String name = entry.getKey();
final String[] value = entry.getValue();
if (name == null) qp.context(value[0], value[1]);
else qp.bind(name, value[0], value[1]);
}
qp.parse();
if (p != null) info.parsing += p.time();
}
/**
* 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);
}
}
/**
* Binds a variable.
*
* @param name name of variable (if {@code null}, value will be bound as context value)
* @param value value to be bound
* @param type type
* @return reference
*/
public AQuery bind(final String name, final String value, final String type) {
vars.put(name, new String[] {value, type});
return this;
}
