function start()
{
$this->__buildHeader();
$attribs = array("obj_id" => "il_" . IL_INST_ID . "_file_" . $this->file->getId(), "version" => $this->file->getVersion(), "size" => $this->file->getFileSize(), "type" => $this->file->getFileType());
$this->xmlStartTag("File", $attribs);
$this->xmlElement("Filename", null, $this->file->getFileName());
$this->xmlElement("Title", null, $this->file->getTitle());
$this->xmlElement("Description", null, $this->file->getDescription());
$this->xmlElement("Rating", null, (int) $this->file->hasRating());
if ($this->attachFileContents) {
$filename = $this->file->getDirectory($this->file->getVersion()) . "/" . $this->file->getFileName();
if (@is_file($filename)) {
if ($this->attachFileContents == ilFileXMLWriter::$CONTENT_ATTACH_COPY) {
$attribs = array("mode" => "COPY");
copy($filename, $this->target_dir_absolute . "/" . $this->file->getFileName());
$content = $this->target_dir_relative . "/" . $this->file->getFileName();
$this->xmlElement("Content", $attribs, $content);
} elseif ($this->attachFileContents == ilFileXMLWriter::$CONTENT_ATTACH_REST) {
$attribs = array('mode' => "REST");
include_once './Services/WebServices/Rest/classes/class.ilRestFileStorage.php';
$fs = new ilRestFileStorage();
$tmpname = $fs->storeFileForRest(base64_encode(@file_get_contents($filename)));
$this->xmlElement("Content", $attribs, $tmpname);
} else {
$content = @file_get_contents($filename);
$attribs = array("mode" => "PLAIN");
if ($this->attachFileContents == ilFileXMLWriter::$CONTENT_ATTACH_ZLIB_ENCODED) {
$attribs["mode"] = "ZLIB";
$content = @gzcompress($content, 9);
} elseif ($this->attachFileContents == ilFileXMLWriter::$CONTENT_ATTACH_GZIP_ENCODED) {
$attribs["mode"] = "GZIP";
$content = @gzencode($content, 9);
}
$content = base64_encode($content);
$this->xmlElement("Content", $attribs, $content);
}
}
}
include_once "./Services/History/classes/class.ilHistory.php";
$versions = ilHistory::_getEntriesForObject($this->file->getId(), $this->file->getType());
if (count($versions)) {
$this->xmlStartTag("Versions");
foreach ($versions as $version) {
$info_params = $version["info_params"];
list($filename, $history_id) = split(",", $info_params);
$attribs = array("id" => $history_id, "date" => ilUtil::date_mysql2time($version["date"]), "usr_id" => "il_" . IL_INST_ID . "_usr_" . $version["user_id"]);
$this->xmlElement("Version", $attribs);
}
$this->xmlEndTag("Versions");
}
$this->xmlEndTag("File");
$this->__buildFooter();
return true;
}
