Examples with XMLChunkMeta io.georocket.storage.XMLChunkMeta used on opensource projects

Example 16 with XMLChunkMeta

use of io.georocket.storage.XMLChunkMeta in project georocket by georocket.

the class XMLSplitter method makeResult.

/**
 * Create a new chunk starting from the marked position and ending on the
 * given position. Reset the mark afterwards and advance the window to the
 * end position. Return a {@link io.georocket.input.Splitter.Result} object
 * with the new chunk and its metadata.
 * @param pos the end position
 * @return the {@link io.georocket.input.Splitter.Result} object
 */
protected Result<XMLChunkMeta> makeResult(int pos) {
    StringBuilder sb = new StringBuilder();
    sb.append("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\n");
    // append the full stack of start elements (backwards)
    List<XMLStartElement> chunkParents = new ArrayList<>();
    startElements.descendingIterator().forEachRemaining(e -> {
        chunkParents.add(e);
        sb.append(e + "\n");
    });
    // get chunk start in bytes
    int chunkStart = sb.toString().getBytes(StandardCharsets.UTF_8).length;
    // append current element
    byte[] bytes = window.getBytes(mark, pos);
    sb.append(new String(bytes, StandardCharsets.UTF_8));
    window.advanceTo(pos);
    mark = -1;
    // get chunk end in bytes
    int chunkEnd = chunkStart + bytes.length;
    // append the full stack of end elements
    startElements.iterator().forEachRemaining(e -> sb.append("\n</" + e.getName() + ">"));
    XMLChunkMeta meta = new XMLChunkMeta(chunkParents, chunkStart, chunkEnd);
    return new Result<XMLChunkMeta>(sb.toString(), meta);
}