Ejemplo n.º 1
0
    @Override
    public void execute(final GUI gui) {
      final DialogExport dialog = new DialogExport(gui);
      if (!dialog.ok()) return;

      final IOFile root = new IOFile(dialog.path());

      // check if existing files will be overwritten
      if (root.exists()) {
        IO file = null;
        boolean overwrite = false;
        final Data d = gui.context.data();
        final IntList il = d.resources.docs();
        final int is = il.size();
        for (int i = 0; i < is; i++) {
          file = root.merge(Token.string(d.text(il.get(i), true)));
          if (file.exists()) {
            if (overwrite) {
              // more than one file will be overwritten; check remaining tests
              file = null;
              break;
            }
            overwrite = true;
          }
        }
        if (overwrite) {
          // show message for overwriting files or directories
          final String msg = file == null ? FILES_REPLACE_X : FILE_EXISTS_X;
          if (file == null) file = root;
          if (!BaseXDialog.confirm(gui, Util.info(msg, file))) return;
        }
      }
      DialogProgress.execute(gui, new Export(root.path()));
    }
Ejemplo n.º 2
0
  /**
   * Creates new node ids and recreates updatable index structures.
   *
   * @param data data
   * @throws IOException I/O Exception during index rebuild
   */
  public static void ids(final Data data) throws IOException {
    final MetaData md = data.meta;
    final int size = md.size;
    for (int pre = 0; pre < size; ++pre) data.id(pre, pre);
    md.lastid = size - 1;
    md.dirty = true;

    if (data.meta.updindex) {
      data.idmap = new IdPreMap(md.lastid);
      if (data.meta.textindex) optimize(IndexType.TEXT, data, true, true, true, null);
      if (data.meta.attrindex) optimize(IndexType.ATTRIBUTE, data, true, true, true, null);
    }
  }
Ejemplo n.º 3
0
  /**
   * Lists resources of the specified database.
   *
   * @return success flag
   * @throws IOException I/O exception
   */
  private boolean listDB() throws IOException {
    final String db = args[0];
    final String path = args[1] != null ? args[1] : "";
    if (!Databases.validName(db)) return error(NAME_INVALID_X, db);

    final Table table = new Table();
    table.description = RESOURCES;
    table.header.add(INPUT_PATH);
    table.header.add(TYPE);
    table.header.add(MimeTypes.CONTENT_TYPE);
    table.header.add(SIZE);

    try {
      // add xml documents
      final Data data = Open.open(db, context);
      final Resources res = data.resources;
      final IntList il = res.docs(path);
      final int ds = il.size();
      for (int i = 0; i < ds; i++) {
        final int pre = il.get(i);
        final TokenList tl = new TokenList(3);
        final byte[] file = data.text(pre, true);
        tl.add(file);
        tl.add(DataText.M_XML);
        tl.add(MimeTypes.APP_XML);
        tl.add(data.size(pre, Data.DOC));
        table.contents.add(tl);
      }
      // add binary resources
      for (final byte[] file : res.binaries(path)) {
        final String f = string(file);
        final TokenList tl = new TokenList(3);
        tl.add(file);
        tl.add(DataText.M_RAW);
        tl.add(MimeTypes.get(f));
        tl.add(data.meta.binary(f).length());
        table.contents.add(tl);
      }
      Close.close(data, context);
    } catch (final IOException ex) {
      return error(Util.message(ex));
    }
    out.println(table.sort().finish());
    return true;
  }
Ejemplo n.º 4
0
 @Override
 public void execute(final GUI gui) {
   // skip operation for root context
   final Context ctx = gui.context;
   if (ctx.root()) return;
   // check if all nodes are document nodes
   boolean doc = true;
   final Data data = ctx.data();
   for (final int pre : ctx.current().pres) doc &= data.kind(pre) == Data.DOC;
   if (doc) {
     // if yes, jump to database root
     ctx.update();
     gui.notify.context(ctx.current(), false, null);
   } else {
     // otherwise, jump to parent nodes
     gui.execute(new Cs(".."));
   }
 }
Ejemplo n.º 5
0
  @Override
  public boolean indexAccessible(final IndexInfo ii) {
    /* If the following conditions yield true, the index is accessed:
     * - all query terms are statically available
     * - no FTTimes option is specified
     * - explicitly set case, diacritics and stemming match options do not
     *   conflict with index options. */
    data = ii.ic.data;
    final MetaData md = data.meta;
    final FTOpt fto = ftt.opt;

    /* Index will be applied if no explicit match options have been set
     * that conflict with the index options. As a consequence, though, index-
     * based querying might yield other results than sequential scanning. */
    if (occ != null
        || fto.cs != null && md.casesens == (fto.cs == FTCase.INSENSITIVE)
        || fto.isSet(DC) && md.diacritics != fto.is(DC)
        || fto.isSet(ST) && md.stemming != fto.is(ST)
        || fto.ln != null && !fto.ln.equals(md.language)) return false;

    // adopt database options to tokenizer
    fto.copy(md);

    // estimate costs if text is not known at compile time
    if (tokens == null) {
      ii.costs = Math.max(2, data.meta.size / 30);
      return true;
    }

    // summarize number of hits; break loop if no hits are expected
    final FTLexer ft = new FTLexer(fto);
    ii.costs = 0;
    for (byte[] t : tokens) {
      ft.init(t);
      while (ft.hasNext()) {
        final byte[] tok = ft.nextToken();
        if (fto.sw != null && fto.sw.contains(tok)) continue;

        if (fto.is(WC)) {
          // don't use index if one of the terms starts with a wildcard
          t = ft.get();
          if (t[0] == '.') return false;
          // don't use index if certain characters or more than 1 dot are found
          int d = 0;
          for (final byte w : t) {
            if (w == '{' || w == '\\' || w == '.' && ++d > 1) return false;
          }
        }
        // favor full-text index requests over exact queries
        final int costs = data.costs(ft);
        if (costs != 0) ii.costs += Math.max(2, costs / 100);
      }
    }
    return true;
  }
Ejemplo n.º 6
0
  @Override
  protected boolean run() {
    final boolean create = context.user.has(Perm.CREATE);
    String path = MetaData.normPath(args[0]);
    if (path == null || path.endsWith(".")) return error(NAME_INVALID_X, args[0]);

    if (in == null) {
      final IO io = IO.get(args[1]);
      if (!io.exists() || io.isDir()) return error(RES_NOT_FOUND_X, create ? io : args[1]);
      in = io.inputSource();
      // set/add name of document
      if ((path.isEmpty() || path.endsWith("/")) && !(io instanceof IOContent)) path += io.name();
    }

    // ensure that the final name is not empty
    if (path.isEmpty()) return error(NAME_INVALID_X, path);

    // ensure that the name is not empty and contains no trailing dots
    final Data data = context.data();
    if (data.inMemory()) return error(NO_MAINMEM);

    final IOFile file = data.meta.binary(path);
    if (path.isEmpty() || path.endsWith(".") || file == null || file.isDir())
      return error(NAME_INVALID_X, create ? path : args[0]);

    // start update
    if (!data.startUpdate()) return error(DB_PINNED_X, data.meta.name);

    try {
      store(in, file);
      return info(QUERY_EXECUTED_X_X, "", perf);
    } catch (final IOException ex) {
      return error(FILE_NOT_STORED_X, Util.message(ex));
    } finally {
      data.finishUpdate();
    }
  }
Ejemplo n.º 7
0
 /** Inserts an attribute with namespace. */
 @Test
 public void insertAttributeWithNs() {
   create(1);
   query("insert node attribute { QName('ns', 'pref:local') } { } into /*");
   final Data data = context.data();
   assertEquals(false, data.nsFlag(0));
   assertEquals(true, data.nsFlag(1));
   assertEquals(false, data.nsFlag(2));
   assertEquals(0, data.uriId(1, data.kind(1)));
   assertEquals(1, data.uriId(2, data.kind(2)));
   assertEquals("ns", string(data.nspaces.uri(1)));
 }
Ejemplo n.º 8
0
  /**
   * Optimizes the structures of a database.
   *
   * @param data data
   * @param enforceText enforce creation or deletion of text index
   * @param enforceAttr enforce creation or deletion of attribute index
   * @param enforceToken enforce creation or deletion of token index
   * @param enforceFt enforce creation or deletion of full-text index
   * @param cmd calling command instance (may be {@code null})
   * @throws IOException I/O Exception during index rebuild
   */
  public static void optimize(
      final Data data,
      final boolean enforceText,
      final boolean enforceAttr,
      final boolean enforceToken,
      final boolean enforceFt,
      final Optimize cmd)
      throws IOException {

    // initialize structural indexes
    final MetaData md = data.meta;
    if (!md.uptodate) {
      data.paths.init();
      data.elemNames.init();
      data.attrNames.init();
      md.dirty = true;

      final IntList pars = new IntList(), elms = new IntList();
      int n = 0;

      for (int pre = 0; pre < md.size; ++pre) {
        final byte kind = (byte) data.kind(pre);
        final int par = data.parent(pre, kind);
        while (!pars.isEmpty() && pars.peek() > par) {
          pars.pop();
          elms.pop();
        }

        final int level = pars.size();
        if (kind == Data.DOC) {
          data.paths.put(0, Data.DOC, level);
          pars.push(pre);
          elms.push(0);
          ++n;
        } else if (kind == Data.ELEM) {
          final int id = data.nameId(pre);
          data.elemNames.index(data.elemNames.key(id), null, true);
          data.paths.put(id, Data.ELEM, level);
          pars.push(pre);
          elms.push(id);
        } else if (kind == Data.ATTR) {
          final int id = data.nameId(pre);
          final byte[] val = data.text(pre, false);
          data.attrNames.index(data.attrNames.key(id), val, true);
          data.paths.put(id, Data.ATTR, level, val, md);
        } else {
          final byte[] val = data.text(pre, true);
          if (kind == Data.TEXT && level > 1) data.elemNames.index(elms.peek(), val);
          data.paths.put(0, kind, level, val, md);
        }
        if (cmd != null) cmd.pre = pre;
      }
      md.ndocs = n;
      md.uptodate = true;
    }

    // rebuild value indexes
    optimize(IndexType.TEXT, data, md.createtext, md.textindex, enforceText, cmd);
    optimize(IndexType.ATTRIBUTE, data, md.createattr, md.attrindex, enforceAttr, cmd);
    optimize(IndexType.TOKEN, data, md.createtoken, md.tokenindex, enforceToken, cmd);
    optimize(IndexType.FULLTEXT, data, md.createft, md.ftindex, enforceFt, cmd);
  }