示例#1
0
  /**
   * Converts the specified result to an XQuery value.
   *
   * @param obj result object
   * @param qc query context
   * @param sc static context
   * @return value
   * @throws QueryException query exception
   */
  public static Value toValue(final Object obj, final QueryContext qc, final StaticContext sc)
      throws QueryException {

    if (obj == null) return Empty.SEQ;
    if (obj instanceof Value) return (Value) obj;
    if (obj instanceof Iter) return ((Iter) obj).value();
    // find XQuery mapping for specified type
    final Type type = type(obj);
    if (type != null) return type.cast(obj, qc, sc, null);

    // primitive arrays
    if (obj instanceof byte[]) return BytSeq.get((byte[]) obj);
    if (obj instanceof long[]) return IntSeq.get((long[]) obj, AtomType.ITR);
    if (obj instanceof char[]) return Str.get(new String((char[]) obj));
    if (obj instanceof boolean[]) return BlnSeq.get((boolean[]) obj);
    if (obj instanceof double[]) return DblSeq.get((double[]) obj);
    if (obj instanceof float[]) return FltSeq.get((float[]) obj);

    // no array: return Java type
    if (!obj.getClass().isArray()) return new Jav(obj, qc);

    // empty array
    final int s = Array.getLength(obj);
    if (s == 0) return Empty.SEQ;
    // string array
    if (obj instanceof String[]) {
      final String[] r = (String[]) obj;
      final byte[][] b = new byte[r.length][];
      for (int v = 0; v < s; v++) b[v] = token(r[v]);
      return StrSeq.get(b);
    }
    // character array
    if (obj instanceof char[][]) {
      final char[][] r = (char[][]) obj;
      final byte[][] b = new byte[r.length][];
      for (int v = 0; v < s; v++) b[v] = token(new String(r[v]));
      return StrSeq.get(b);
    }
    // short array
    if (obj instanceof short[]) {
      final short[] r = (short[]) obj;
      final long[] b = new long[r.length];
      for (int v = 0; v < s; v++) b[v] = r[v];
      return IntSeq.get(b, AtomType.SHR);
    }
    // integer array
    if (obj instanceof int[]) {
      final int[] r = (int[]) obj;
      final long[] b = new long[r.length];
      for (int v = 0; v < s; v++) b[v] = r[v];
      return IntSeq.get(b, AtomType.INT);
    }
    // any other array (also nested ones)
    final Object[] objs = (Object[]) obj;
    final ValueBuilder vb = new ValueBuilder(objs.length);
    for (final Object o : objs) vb.add(toValue(o, qc, sc));
    return vb.value();
  }
示例#2
0
  /**
   * Evaluates the tokenize function.
   *
   * @param ctx query context
   * @return function result
   * @throws QueryException query exception
   */
  private Value tokenize(final QueryContext ctx) throws QueryException {
    final byte[] val = checkEStr(expr[0], ctx);
    final Pattern p = pattern(expr[1], expr.length == 3 ? expr[2] : null, ctx);
    if (p.matcher("").matches()) REGROUP.thrw(info);

    final TokenList tl = new TokenList();
    final String str = string(val);
    if (!str.isEmpty()) {
      final Matcher m = p.matcher(str);
      int s = 0;
      while (m.find()) {
        tl.add(str.substring(s, m.start()));
        s = m.end();
      }
      tl.add(str.substring(s, str.length()));
    }
    return StrSeq.get(tl);
  }