예제 #1
0
 public boolean equals(Object obj) {
   if (!(obj instanceof NlsString)) {
     return false;
   }
   NlsString that = (NlsString) obj;
   return Util.equal(value, that.value)
       && Util.equal(charsetName, that.charsetName)
       && Util.equal(collation, that.collation);
 }
예제 #2
0
 /**
  * Resolves a multi-part identifier such as "SCHEMA.EMP.EMPNO" to a namespace. The returned
  * namespace may represent a schema, table, column, etc.
  *
  * @pre names.size() > 0
  * @post return != null
  */
 public static SqlValidatorNamespace lookup(SqlValidatorScope scope, List<String> names) {
   Util.pre(names.size() > 0, "names.size() > 0");
   SqlValidatorNamespace namespace = null;
   for (int i = 0; i < names.size(); i++) {
     String name = names.get(i);
     if (i == 0) {
       namespace = scope.resolve(name, null, null);
     } else {
       namespace = namespace.lookupChild(name);
     }
   }
   Util.permAssert(namespace != null, "post: namespace != null");
   return namespace;
 }
예제 #3
0
  /**
   * Extracts entries from the archive.
   *
   * @param ctx query context
   * @return text entries
   * @throws QueryException query exception
   */
  private TokenList extract(final QueryContext ctx) throws QueryException {
    final B64 archive = (B64) checkType(checkItem(expr[0], ctx), AtomType.B64);
    TokenSet hs = null;
    if (expr.length > 1) {
      // filter result to specified entries
      hs = new TokenSet();
      final Iter names = ctx.iter(expr[1]);
      for (Item en; (en = names.next()) != null; ) {
        hs.add(checkElmStr(en).string(info));
      }
    }

    final TokenList tl = new TokenList();
    final ArchiveIn in = ArchiveIn.get(archive.input(info), info);
    try {
      while (in.more()) {
        final ZipEntry ze = in.entry();
        if (ze.isDirectory()) continue;
        if (hs == null || hs.delete(token(ze.getName())) != 0) tl.add(in.read());
      }
    } catch (final IOException ex) {
      Util.debug(ex);
      ARCH_FAIL.thrw(info, ex);
    } finally {
      in.close();
    }
    return tl;
  }
예제 #4
0
  /**
   * Returns the entries of an archive.
   *
   * @param ctx query context
   * @return entries
   * @throws QueryException query exception
   */
  private Iter entries(final QueryContext ctx) throws QueryException {
    final B64 archive = (B64) checkType(checkItem(expr[0], ctx), AtomType.B64);

    final ValueBuilder vb = new ValueBuilder();
    final ArchiveIn in = ArchiveIn.get(archive.input(info), info);
    try {
      while (in.more()) {
        final ZipEntry ze = in.entry();
        if (ze.isDirectory()) continue;
        final FElem e = new FElem(Q_ENTRY, NS);
        long s = ze.getSize();
        if (s != -1) e.add(Q_SIZE, token(s));
        s = ze.getTime();
        if (s != -1) e.add(Q_LAST_MOD, new Dtm(s, info).string(info));
        s = ze.getCompressedSize();
        if (s != -1) e.add(Q_COMP_SIZE, token(s));
        e.add(ze.getName());
        vb.add(e);
      }
      return vb;
    } catch (final IOException ex) {
      Util.debug(ex);
      throw ARCH_FAIL.thrw(info, ex);
    } finally {
      in.close();
    }
  }
예제 #5
0
  /**
   * Returns the options of an archive.
   *
   * @param ctx query context
   * @return entries
   * @throws QueryException query exception
   */
  private FElem options(final QueryContext ctx) throws QueryException {
    final B64 archive = (B64) checkType(checkItem(expr[0], ctx), AtomType.B64);
    String format = null;
    int level = -1;

    final ArchiveIn arch = ArchiveIn.get(archive.input(info), info);
    try {
      format = arch.format();
      while (arch.more()) {
        final ZipEntry ze = arch.entry();
        if (ze.isDirectory()) continue;
        level = ze.getMethod();
        break;
      }
    } catch (final IOException ex) {
      Util.debug(ex);
      ARCH_FAIL.thrw(info, ex);
    } finally {
      arch.close();
    }

    // create result element
    final FElem e = new FElem(Q_OPTIONS, NS);
    if (format != null) e.add(new FElem(Q_FORMAT).add(Q_VALUE, format));
    if (level >= 0) {
      final byte[] lvl = level == 8 ? DEFLATE : level == 0 ? STORED : UNKNOWN;
      e.add(new FElem(Q_ALGORITHM).add(Q_VALUE, lvl));
    }
    return e;
  }
예제 #6
0
파일: Token.java 프로젝트: nikhi/basex
 /**
  * Returns an MD5 hash in lower case.
  *
  * @param string string to be hashed
  * @return md5 hash
  */
 public static String md5(final String string) {
   try {
     final MessageDigest md = MessageDigest.getInstance("MD5");
     return string(hex(md.digest(token(string)), false));
   } catch (final Exception ex) {
     throw Util.notExpected(ex);
   }
 }
예제 #7
0
파일: Token.java 프로젝트: nikhi/basex
  /**
   * Converts a token from the input encoding to UTF8.
   *
   * @param token token to be converted
   * @return byte array
   * @param encoding input encoding
   */
  public static byte[] utf8(final byte[] token, final String encoding) {
    // UTF8 (comparison by ref.) or no special characters: return input
    if (encoding == UTF8 || ascii(token)) return token;

    // convert to utf8. if errors occur while converting, an empty is returned.
    try {
      return token(new String(token, encoding));
    } catch (final Exception ex) {
      Util.debug(ex);
      return EMPTY;
    }
  }
예제 #8
0
  @Override
  public void close() {
    try {
      gui.set(MainOptions.EXPORTER, options(SerialMethod.valueOf(method.getSelectedItem())));
    } catch (final BaseXException ex) {
      throw Util.notExpected(ex);
    }
    if (!ok) return;

    super.close();
    path.store();
  }
예제 #9
0
  public static void getSchemaObjectMonikers(
      SqlValidatorCatalogReader catalogReader, List<String> names, List<SqlMoniker> hints) {
    // Assume that the last name is 'dummy' or similar.
    List<String> subNames = Util.skipLast(names);
    hints.addAll(catalogReader.getAllSchemaObjectNames(subNames));

    // If the name has length 0, try prepending the name of the default
    // schema. So, the empty name would yield a list of tables in the
    // default schema, as well as a list of schemas from the above code.
    if (subNames.size() == 0) {
      hints.addAll(
          catalogReader.getAllSchemaObjectNames(
              Collections.singletonList(catalogReader.getSchemaName())));
    }
  }
예제 #10
0
  /**
   * Creates a new archive.
   *
   * @param ctx query context
   * @return archive
   * @throws QueryException query exception
   */
  private B64 create(final QueryContext ctx) throws QueryException {
    final Iter entr = ctx.iter(expr[0]);
    final Iter cont = ctx.iter(expr[1]);
    final Item opt = expr.length > 2 ? expr[2].item(ctx, info) : null;
    final TokenMap map = new FuncParams(Q_OPTIONS, info).parse(opt);

    final byte[] f = map.get(FORMAT);
    final String format = f != null ? string(lc(f)) : "zip";
    final ArchiveOut out = ArchiveOut.get(format, info);
    // check algorithm
    final byte[] alg = map.get(ALGORITHM);
    int level = ZipEntry.DEFLATED;
    if (alg != null) {
      if (format.equals("zip") && !eq(alg, STORED, DEFLATE)
          || format.equals("gzip") && !eq(alg, DEFLATE)) {
        ARCH_SUPP.thrw(info, ALGORITHM, alg);
      }
      if (eq(alg, STORED)) level = ZipEntry.STORED;
      else if (eq(alg, DEFLATE)) level = ZipEntry.DEFLATED;
    }
    out.level(level);

    try {
      int e = 0;
      int c = 0;
      Item en, cn;
      while (true) {
        en = entr.next();
        cn = cont.next();
        if (en == null || cn == null) break;
        if (out instanceof GZIPOut && c > 0)
          ARCH_ONE.thrw(info, format.toUpperCase(Locale.ENGLISH));
        add(checkElmStr(en), cn, out, level);
        e++;
        c++;
      }
      // count remaining entries
      if (cn != null) do c++; while (cont.next() != null);
      if (en != null) do e++; while (entr.next() != null);
      if (e != c) throw ARCH_DIFF.thrw(info, e, c);
    } catch (final IOException ex) {
      Util.debug(ex);
      throw ARCH_FAIL.thrw(info, ex);
    } finally {
      out.close();
    }
    return new B64(out.toArray());
  }
예제 #11
0
  /**
   * Updates an archive.
   *
   * @param ctx query context
   * @return updated archive
   * @throws QueryException query exception
   */
  private B64 update(final QueryContext ctx) throws QueryException {
    final B64 archive = (B64) checkType(checkItem(expr[0], ctx), AtomType.B64);
    // entries to be updated
    final TokenObjMap<Item[]> hm = new TokenObjMap<Item[]>();

    final Iter entr = ctx.iter(expr[1]);
    final Iter cont = ctx.iter(expr[2]);
    int e = 0;
    int c = 0;
    Item en, cn;
    while (true) {
      en = entr.next();
      cn = cont.next();
      if (en == null || cn == null) break;
      hm.add(checkElmStr(en).string(info), new Item[] {en, cn});
      e++;
      c++;
    }
    // count remaining entries
    if (cn != null) do c++; while (cont.next() != null);
    if (en != null) do e++; while (entr.next() != null);
    if (e != c) ARCH_DIFF.thrw(info, e, c);

    final ArchiveIn in = ArchiveIn.get(archive.input(info), info);
    final ArchiveOut out = ArchiveOut.get(in.format(), info);
    try {
      if (in instanceof GZIPIn) ARCH_MODIFY.thrw(info, in.format().toUpperCase(Locale.ENGLISH));
      // delete entries to be updated
      while (in.more()) if (!hm.contains(token(in.entry().getName()))) out.write(in);
      // add new and updated entries
      for (final byte[] h : hm) {
        if (h == null) continue;
        final Item[] it = hm.get(h);
        add(it[0], it[1], out, ZipEntry.DEFLATED);
      }
    } catch (final IOException ex) {
      Util.debug(ex);
      ARCH_FAIL.thrw(info, ex);
    } finally {
      in.close();
      out.close();
    }
    return new B64(out.toArray());
  }
예제 #12
0
  /**
   * Tests writing of request content when @src is set.
   *
   * @throws IOException I/O Exception
   */
  @Test
  public void writeFromResource() throws IOException {
    // Create a file form which will be read
    final IOFile file = new IOFile(Prop.TMP, Util.className(FnHttpTest.class));
    file.write(token("test"));

    // Request
    final HttpRequest req = new HttpRequest();
    req.payloadAttrs.put("src", file.url());
    req.payloadAttrs.put("method", "binary");
    // HTTP connection
    final FakeHttpConnection fakeConn = new FakeHttpConnection(new URL("http://www.test.com"));
    HttpClient.setRequestContent(fakeConn.getOutputStream(), req);

    // Delete file
    file.delete();

    assertEquals(fakeConn.out.toString(Strings.UTF8), "test");
  }
예제 #13
0
  /**
   * Returns the string quoted for SQL, for example <code>_ISO-8859-1'is it a
   * plane? no it''s superman!'</code>.
   *
   * @param prefix if true, prefix the character set name
   * @param suffix if true, suffix the collation clause
   * @return the quoted string
   */
  public String asSql(boolean prefix, boolean suffix) {
    StringBuilder ret = new StringBuilder();
    if (prefix && (null != charsetName)) {
      ret.append("_");
      ret.append(charsetName);
    }
    ret.append("'");
    ret.append(Util.replace(value, "'", "''"));
    ret.append("'");

    // NOTE jvs 3-Feb-2005:  see FRG-78 for why this should go away
    if (false) {
      if (suffix && (null != collation)) {
        ret.append(" ");
        ret.append(collation.toString());
      }
    }
    return ret.toString();
  }
예제 #14
0
  /**
   * Derives an alias for a node, and invents a mangled identifier if it cannot.
   *
   * <p>Examples:
   *
   * <ul>
   *   <li>Alias: "1 + 2 as foo" yields "foo"
   *   <li>Identifier: "foo.bar.baz" yields "baz"
   *   <li>Anything else yields "expr$<i>ordinal</i>"
   * </ul>
   *
   * @return An alias, if one can be derived; or a synthetic alias "expr$<i>ordinal</i>" if ordinal
   *     >= 0; otherwise null
   */
  public static String getAlias(SqlNode node, int ordinal) {
    switch (node.getKind()) {
      case AS:
        // E.g. "1 + 2 as foo" --> "foo"
        return ((SqlCall) node).getOperands()[1].toString();

      case OVER:
        // E.g. "bids over w" --> "bids"
        return getAlias(((SqlCall) node).getOperands()[0], ordinal);

      case IDENTIFIER:
        // E.g. "foo.bar" --> "bar"
        return Util.last(((SqlIdentifier) node).names);

      default:
        if (ordinal < 0) {
          return null;
        } else {
          return SqlUtil.deriveAliasFromOrdinal(ordinal);
        }
    }
  }
예제 #15
0
  /**
   * Deletes files from an archive.
   *
   * @param ctx query context
   * @return updated archive
   * @throws QueryException query exception
   */
  private B64 delete(final QueryContext ctx) throws QueryException {
    final B64 archive = (B64) checkType(checkItem(expr[0], ctx), AtomType.B64);
    // entries to be deleted
    final TokenObjMap<Item[]> hm = new TokenObjMap<Item[]>();
    final Iter names = ctx.iter(expr[1]);
    for (Item en; (en = names.next()) != null; ) {
      hm.add(checkElmStr(en).string(info), null);
    }

    final ArchiveIn in = ArchiveIn.get(archive.input(info), info);
    final ArchiveOut out = ArchiveOut.get(in.format(), info);
    try {
      if (in instanceof GZIPIn) ARCH_MODIFY.thrw(info, in.format().toUpperCase(Locale.ENGLISH));
      while (in.more()) if (!hm.contains(token(in.entry().getName()))) out.write(in);
    } catch (final IOException ex) {
      Util.debug(ex);
      ARCH_FAIL.thrw(info, ex);
    } finally {
      in.close();
      out.close();
    }
    return new B64(out.toArray());
  }
예제 #16
0
 public String apply(String original, int attempt, int size) {
   return Util.first(original, "$f") + size;
 }
예제 #17
0
 public String apply(String original, int attempt, int size) {
   return Util.first(original, "EXPR$") + attempt;
 }
예제 #18
0
 public int hashCode() {
   int h = value.hashCode();
   h = Util.hash(h, charsetName);
   h = Util.hash(h, collation);
   return h;
 }