/**
* Converts the specified commands into a string list.
*
* @param comp input completions
* @return string list
*/
private static StringList list(final Enum<?>[] comp) {
final StringList list = new StringList();
if (comp != null) {
for (final Enum<?> c : comp) list.add(c.name().toLowerCase(Locale.ENGLISH));
}
return list;
}
/**
* Creates an XQuery representation for the specified table query.
*
* @param filter filter terms
* @param cols filter columns
* @param elem element flag
* @param name name of root element
* @param root root flag
* @return query
*/
public static String findTable(
final StringList filter,
final TokenList cols,
final BoolList elem,
final byte[] name,
final boolean root) {
final TokenBuilder tb = new TokenBuilder();
final int is = filter.size();
for (int i = 0; i < is; ++i) {
final String[] spl = split(filter.get(i));
for (final String s : spl) {
final byte[] term = trim(replace(token(s), '"', ' '));
if (term.length == 0) continue;
tb.add('[');
final boolean elm = elem.get(i);
tb.add(elm ? ".//" : "@");
tb.add("*:");
tb.add(cols.get(i));
if (term[0] == '<' || term[0] == '>') {
tb.add(term[0]);
tb.addLong(calcNum(substring(term, 1)));
} else {
tb.add(" contains text \"");
tb.add(term);
tb.add('"');
}
tb.add(']');
}
}
return tb.isEmpty() ? "/" : (root ? "/" : "") + Axis.DESCORSELF + "::*:" + string(name) + tb;
}
/**
* Returns a list of all databases.
*
* @param ctx database context
* @return list of databases
*/
public static StringList list(final Context ctx) {
final StringList db = new StringList();
for (final IOFile f : ctx.mprop.dbpath().children()) {
final String name = f.name();
if (f.isDir() && !name.startsWith(".")) db.add(name);
}
return db.sort(false);
}
/**
* Refreshes the list of recent query files and updates the query path.
*
* @param file new file
*/
void refreshHistory(final IOFile file) {
final StringList sl = new StringList();
String path = null;
if (file != null) {
path = file.path();
gui.gprop.set(GUIProp.WORKPATH, file.dirPath());
sl.add(path);
tabs.setToolTipTextAt(tabs.getSelectedIndex(), path);
}
final String[] qu = gui.gprop.strings(GUIProp.EDITOR);
for (int q = 0; q < qu.length && q < 19; q++) {
final String f = qu[q];
if (!f.equalsIgnoreCase(path) && IO.get(f).exists()) sl.add(f);
}
// store sorted history
gui.gprop.set(GUIProp.EDITOR, sl.toArray());
hist.setEnabled(!sl.isEmpty());
}
/**
* Converts the path to a string array, containing the single segments.
*
* @param path path, or {@code null}
* @return path depth
*/
public static String[] toSegments(final String path) {
final StringList sl = new StringList();
if (path != null) {
final TokenBuilder tb = new TokenBuilder();
for (int s = 0; s < path.length(); s++) {
final char ch = path.charAt(s);
if (ch == '/') {
if (tb.isEmpty()) continue;
sl.add(tb.toString());
tb.reset();
} else {
tb.add(ch);
}
}
if (!tb.isEmpty()) sl.add(tb.toString());
}
return sl.toArray();
}
/**
* Checks if the produced content type matches.
*
* @param http http context
* @return result of check
*/
private boolean produces(final HTTPContext http) {
// return true if no type is given
if (produces.isEmpty()) return true;
// check if any combination matches
for (final String pr : http.produces()) {
for (final String p : produces) {
if (MimeTypes.matches(p, pr)) return true;
}
}
return false;
}
/**
* Checks if the consumed content type matches.
*
* @param http http context
* @return result of check
*/
private boolean consumes(final HTTPContext http) {
// return true if no type is given
if (consumes.isEmpty()) return true;
// return true if no content type is specified by the user
final String ct = http.contentType();
if (ct == null) return true;
// check if any combination matches
for (final String c : consumes) {
if (MimeTypes.matches(c, ct)) return true;
}
return false;
}
/**
* Adds items to the specified list.
*
* @param value value
* @param name name
* @param list list to add values to
* @throws QueryException HTTP exception
*/
private void strings(final Value value, final QNm name, final StringList list)
throws QueryException {
final long vs = value.size();
for (int v = 0; v < vs; v++) list.add(toString(value.itemAt(v), name));
}
/**
* Binds the annotated variables.
*
* @param http http context
* @param arg argument array
* @throws QueryException query exception
* @throws IOException I/O exception
*/
void bind(final HTTPContext http, final Expr[] arg) throws QueryException, IOException {
// bind variables from segments
for (int s = 0; s < path.size; s++) {
final Matcher m = TEMPLATE.matcher(path.segment[s]);
if (!m.find()) continue;
final QNm qnm = new QNm(token(m.group(1)), context);
bind(qnm, arg, new Atm(http.segment(s)));
}
// cache request body
final String ct = http.contentType();
IOContent body = null;
if (requestBody != null) {
body = cache(http, null);
try {
// bind request body in the correct format
body.name(http.method + IO.XMLSUFFIX);
bind(requestBody, arg, Parser.item(body, context.context.prop, ct));
} catch (final IOException ex) {
error(INPUT_CONV, ex);
}
}
// bind query parameters
final Map<String, String[]> params = http.params();
for (final RestXqParam rxp : queryParams) bind(rxp, arg, params.get(rxp.key));
// bind form parameters
if (!formParams.isEmpty()) {
if (MimeTypes.APP_FORM.equals(ct)) {
// convert parameters encoded in a form
body = cache(http, body);
addParams(body.toString(), params);
}
for (final RestXqParam rxp : formParams) bind(rxp, arg, params.get(rxp.key));
}
// bind header parameters
for (final RestXqParam rxp : headerParams) {
final StringList sl = new StringList();
final Enumeration<?> en = http.req.getHeaders(rxp.key);
while (en.hasMoreElements()) {
for (final String s : en.nextElement().toString().split(", *")) sl.add(s);
}
bind(rxp, arg, sl.toArray());
}
// bind cookie parameters
final Cookie[] ck = http.req.getCookies();
for (final RestXqParam rxp : cookieParams) {
String v = null;
if (ck != null) {
for (final Cookie c : ck) {
if (rxp.key.equals(c.getName())) v = c.getValue();
}
}
if (v == null) bind(rxp, arg);
else bind(rxp, arg, v);
}
}
/**
* Reads the configuration file and initializes the project properties. The file is located in the
* project home directory.
*
* @param prop property file extension
*/
protected synchronized void read(final String prop) {
file = new IOFile(HOME + IO.BASEXSUFFIX + prop);
final StringList read = new StringList();
final TokenBuilder err = new TokenBuilder();
if (!file.exists()) {
err.addExt("Saving properties in \"%\"..." + NL, file);
} else {
BufferedReader br = null;
try {
br = new BufferedReader(new FileReader(file.file()));
for (String line; (line = br.readLine()) != null; ) {
line = line.trim();
if (line.isEmpty() || line.charAt(0) == '#') continue;
final int d = line.indexOf('=');
if (d < 0) {
err.addExt("%: \"%\" ignored. " + NL, file, line);
continue;
}
final String val = line.substring(d + 1).trim();
String key = line.substring(0, d).trim();
// extract numeric value in key
int num = 0;
final int ss = key.length();
for (int s = 0; s < ss; ++s) {
if (Character.isDigit(key.charAt(s))) {
num = Integer.parseInt(key.substring(s));
key = key.substring(0, s);
break;
}
}
read.add(key);
final Object entry = props.get(key);
if (entry == null) {
err.addExt("%: \"%\" not found. " + NL, file, key);
} else if (entry instanceof String) {
props.put(key, val);
} else if (entry instanceof Integer) {
props.put(key, Integer.parseInt(val));
} else if (entry instanceof Boolean) {
props.put(key, Boolean.parseBoolean(val));
} else if (entry instanceof String[]) {
if (num == 0) {
props.put(key, new String[Integer.parseInt(val)]);
} else {
((String[]) entry)[num - 1] = val;
}
} else if (entry instanceof int[]) {
((int[]) entry)[num] = Integer.parseInt(val);
}
}
} catch (final Exception ex) {
err.addExt("% could not be parsed." + NL, file);
Util.debug(ex);
} finally {
if (br != null)
try {
br.close();
} catch (final IOException ex) {
}
}
}
// check if all mandatory files have been read
try {
if (err.isEmpty()) {
boolean ok = true;
for (final Field f : getClass().getFields()) {
final Object obj = f.get(null);
if (!(obj instanceof Object[])) continue;
final String key = ((Object[]) obj)[0].toString();
ok &= read.contains(key);
}
if (!ok) err.addExt("Saving properties in \"%\"..." + NL, file);
}
} catch (final IllegalAccessException ex) {
Util.notexpected(ex);
}
if (!err.isEmpty()) {
Util.err(err.toString());
write();
}
}