Examples with VTDUtils net.heartsome.xml.vtdimpl.VTDUtils used on opensource projects

Example 1 with VTDUtils

use of net.heartsome.xml.vtdimpl.VTDUtils in project translationstudio8 by heartsome.

the class ImportAbstract method doImport.

/**
	 * 导入文件内容
	 * @param fileContent
	 * @param srcLang
	 * @param monitor
	 * @return ;
	 * @throws ImportException
	 */
public int doImport(String fileContent, String srcLang, IProgressMonitor monitor) throws ImportException {
    if (monitor == null) {
        this.monitor = new NullProgressMonitor();
    } else {
        this.monitor = monitor;
    }
    // 解析文件
    String message = "";
    VTDGen vg = new VTDGen();
    vg.setDoc(fileContent.getBytes());
    try {
        vg.parse(true);
    } catch (EncodingException e) {
        logger.error(Messages.getString("document.ImportAbstract.logger1"), e);
        message = Messages.getString("document.ImportAbstract.msg1");
        throw new ImportException(message + e.getMessage());
    } catch (EOFException e) {
        logger.error("", e);
        message = Messages.getString("document.ImportAbstract.tbx.msg1");
        throw new ImportException(message + e.getMessage());
    } catch (EntityException e) {
        logger.error("", e);
        message = Messages.getString("document.ImportAbstract.tbx.msg1");
        throw new ImportException(message + e.getMessage());
    } catch (ParseException e) {
        logger.error(Messages.getString("document.ImportAbstract.logger3"), e);
        String errMsg = e.getMessage();
        if (errMsg.indexOf("invalid encoding") != -1) {
            // 编码异常
            message = Messages.getString("document.ImportAbstract.msg1");
        } else {
            message = Messages.getString("document.ImportAbstract.tbx.msg1");
        }
        throw new ImportException(message + e.getMessage());
    }
    try {
        // 构建VTD解析工具
        vu = new VTDUtils(vg.getNav());
        dbOperator.beginTransaction();
        // 执行导入
        executeImport(srcLang);
        dbOperator.commit();
    } catch (VTDException e) {
        logger.error("", e);
        try {
            dbOperator.rollBack();
        } catch (SQLException e1) {
            logger.error("", e);
        }
        return FAILURE_4;
    } catch (SQLException e) {
        logger.error("", e);
        try {
            dbOperator.rollBack();
        } catch (SQLException e1) {
            logger.error("", e1);
        }
        throw new ImportException(Messages.getString("document.ImportAbstract.tbx.importDbError") + e.getMessage());
    } catch (OperationCanceledException e) {
        logger.error("", e);
        try {
            dbOperator.rollBack();
        } catch (SQLException e1) {
            logger.error("", e1);
            return CANCEL;
        }
    } catch (Exception e) {
        logger.error("", e);
        try {
            dbOperator.rollBack();
        } catch (SQLException e1) {
            logger.error("", e1);
        }
        throw new ImportException(Messages.getString("document.ImportAbstract.tbx.importDbError") + e.getMessage());
    }
    return SUCCESS;
}

Example 2 with VTDUtils

use of net.heartsome.xml.vtdimpl.VTDUtils in project translationstudio8 by heartsome.

the class ConverterViewModel method convert.

/**
	 * 正向转换
	 * @param sourceItem
	 * @param monitor
	 * @return ;
	 */
private Map<String, String> convert(final IConversionItem sourceItem, IProgressMonitor monitor) throws ConverterException {
    Map<String, String> result = null;
    boolean convertFlg = false;
    String xliffDir = ConverterUtil.toLocalPath(configBean.getXliffDir());
    String targetFile = ConverterUtil.toLocalPath(configBean.getTarget());
    String skeletonFile = ConverterUtil.toLocalPath(configBean.getSkeleton());
    // 转换前的准备
    ConverterContext converterContext = new ConverterContext(configBean);
    final Map<String, String> configuration = converterContext.getConvertConfiguration();
    // 转换前，生成临时的XLIFF文件，用此文件生成指定目标语言的XLIFF文件
    File targetTempFile = null;
    try {
        targetTempFile = File.createTempFile("tempxlf", "xlf");
    } catch (IOException e) {
        LOGGER.error(Messages.getString("model.ConverterViewModel.msg10"), e);
    }
    configuration.put(Converter.ATTR_XLIFF_FILE, targetTempFile.getAbsolutePath());
    if (configBean.getFileType().equals(FileFormatUtils.MS)) {
        IPreferenceStore ps = net.heartsome.cat.ts.ui.Activator.getDefault().getPreferenceStore();
        String path = ps.getString(ITranslationPreferenceConstants.PATH_OF_OPENOFFICE);
        String port = ps.getString(ITranslationPreferenceConstants.PORT_OF_OPENOFFICE);
        configuration.put("ooPath", path);
        configuration.put("ooPort", port);
    }
    // 创建skeleton文件
    File skeleton = new File(skeletonFile);
    if (!skeleton.exists()) {
        try {
            File parent = skeleton.getParentFile();
            if (!parent.exists()) {
                parent.mkdirs();
            }
            skeleton.createNewFile();
        } catch (IOException e) {
            String message = MessageFormat.format(Messages.getString("model.ConverterViewModel.msg11"), skeletonFile);
            LOGGER.error(message, e);
            IStatus status = new Status(IStatus.ERROR, Activator.PLUGIN_ID, message + "\n" + e.getMessage());
            throw new ConverterException(status);
        }
    }
    try {
        // 执行转换
        Converter converter = getConverter();
        if (converter == null) {
            // Build a message
            String message = Messages.getString("model.ConverterViewModel.msg2") + configBean.getFileType();
            // Build a new IStatus
            IStatus status = new Status(IStatus.ERROR, Activator.PLUGIN_ID, message);
            throw new ConverterException(status);
        }
        result = converter.convert(configuration, monitor);
        final String alert = result.get("ttx2xlfAlert39238409230481092830");
        if (result.containsKey("ttx2xlfAlert39238409230481092830")) {
            //ttx 转 xlf 时，提示含有未预翻译，不推荐，但没办法。
            Display.getDefault().syncExec(new Runnable() {

                public void run() {
                    MessageDialog.openWarning(Display.getCurrent().getActiveShell(), Messages.getString("handler.PreviewTranslationHandler.msgTitle"), alert);
                }
            });
        }
        // 处理骨架文件，将骨架文件路径修改为项目相对路径，此路径写入external-file节点的href属性
        String projectPath = sourceItem.getProject().getLocation().toOSString();
        String sklPath = skeletonFile.replace(projectPath, "");
        // 处理目标语言, 创建多个目标语言的文件
        List<Language> tgtLang = configBean.getHasSelTgtLangList();
        if (tgtLang != null && tgtLang.size() > 0) {
            // 解析XLIFF文件
            File f = new File(targetTempFile.getAbsolutePath());
            FileInputStream is = null;
            byte[] b = new byte[(int) f.length()];
            try {
                is = new FileInputStream(f);
                is.read(b);
            } catch (IOException e) {
                e.printStackTrace();
            } finally {
                if (is != null) {
                    try {
                        is.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }
            VTDGen vg = new VTDGen();
            vg.setDoc(b);
            try {
                vg.parse(true);
            } catch (VTDException e) {
                String message = Messages.getString("model.ConverterViewModel.msg12");
                LOGGER.error(message, e);
                IStatus status = new Status(IStatus.ERROR, Activator.PLUGIN_ID, message + "\n" + e.getMessage());
                throw new ConverterException(status);
            }
            VTDNav vn = vg.getNav();
            VTDUtils vu = new VTDUtils();
            // 生成多个XLIFF文件，只是修改目标语言和骨架文件路径
            for (Language lang : tgtLang) {
                // 修复　bug 2949 ,当文件名中出现　XLIFF 时，文件名获取失败，下面注释代码为之前的代码。	--robert	2013-04-01
                //					String[] pathArray = targetFile.split(Constant.FOLDER_XLIFF);
                //					StringBuffer xlffPath = new StringBuffer(pathArray[0]);
                //					xlffPath.append(Constant.FOLDER_XLIFF).append(File.separator).append(lang.getCode())
                //							.append(pathArray[1]);
                String fileName = targetFile.substring(xliffDir.length());
                StringBuffer xlfPahtSB = new StringBuffer();
                xlfPahtSB.append(xliffDir);
                xlfPahtSB.append(File.separator);
                xlfPahtSB.append(lang.getCode());
                xlfPahtSB.append(fileName);
                File tmpFile = new File(xlfPahtSB.toString());
                generateTgtFileList.add(tmpFile);
                if (!tmpFile.exists()) {
                    File parent = tmpFile.getParentFile();
                    if (!parent.exists()) {
                        parent.mkdirs();
                    }
                    try {
                        tmpFile.createNewFile();
                    } catch (IOException e) {
                        String message = Messages.getString("model.ConverterViewModel.msg13");
                        LOGGER.error(message, e);
                        IStatus status = new Status(IStatus.ERROR, Activator.PLUGIN_ID, message + "\n" + e.getMessage());
                        throw new ConverterException(status);
                    }
                }
                try {
                    vu.bind(vn.duplicateNav());
                } catch (NavException e) {
                    LOGGER.error("", e);
                }
                XMLModifier xm = vu.update("/xliff/file/@target-language", lang.getCode(), VTDUtils.CREATE_IF_NOT_EXIST);
                xm = vu.update(null, xm, "/xliff/file/header/skl/external-file/@href", TextUtil.cleanString(sklPath));
                FileOutputStream fos = null;
                try {
                    fos = new FileOutputStream(tmpFile);
                    // 写入文件
                    xm.output(fos);
                } catch (Exception e) {
                    String message = Messages.getString("model.ConverterViewModel.msg13");
                    LOGGER.error(message, e);
                    IStatus status = new Status(IStatus.ERROR, Activator.PLUGIN_ID, message + "\n" + e.getMessage());
                    throw new ConverterNotFoundException(status);
                } finally {
                    if (fos != null) {
                        try {
                            fos.close();
                        } catch (IOException e) {
                            LOGGER.error("", e);
                        }
                    }
                }
            }
            vg.clear();
        }
        convertFlg = true;
    } catch (OperationCanceledException e) {
        LOGGER.info("ConverterViewerModel: 取消转换");
    } finally {
        if (!convertFlg) {
            for (File f : generateTgtFileList) {
                if (f != null && f.exists()) {
                    f.delete();
                }
            }
            if (skeleton != null && skeleton.exists()) {
                skeleton.delete();
            }
        }
        targetTempFile.delete();
        sourceItem.refresh();
    }
    return result;
}

Example 3 with VTDUtils

use of net.heartsome.xml.vtdimpl.VTDUtils in project translationstudio8 by heartsome.

the class ImportTbx method saveTermEntryWithOverwrite.

private void saveTermEntryWithOverwrite(Map<String, String> dbTermEntry, AutoPilot langSetAp, AutoPilot termAp) throws XPathParseException, XPathEvalException, NavException, SQLException, EncodingException, EOFException, EntityException, ParseException, TranscodeException, ModifyException, IOException {
    VTDGen vg = new VTDGen();
    VTDUtils vtdUtiles = new VTDUtils();
    String content = dbTermEntry.get("CONTENT");
    String termEntryPk = dbTermEntry.get("BTEPKID");
    if (!content.equals(vu.getElementFragment())) {
        String prelang = "";
        vu.getVTDNav().push();
        while (langSetAp.evalXPath() != -1) {
            String curlang = getElementAttribute("xml:lang");
            String langSetValue = vu.getElementFragment();
            vg.setDoc(content.getBytes());
            vg.parse(true);
            vtdUtiles.bind(vg.getNav());
            if (!prelang.endsWith(curlang)) {
                prelang = curlang;
                dbOperator.deleteTerm(termEntryPk, curlang);
                AutoPilot ap = new AutoPilot(vtdUtiles.getVTDNav());
                ap.declareXPathNameSpace("xml", vtdUtiles.XML_NAMESPACE_URL);
                XMLModifier xm = new XMLModifier(vtdUtiles.getVTDNav());
                vtdUtiles.delete(ap, xm, "/termEntry/langSet[@xml:lang='" + curlang + "']");
                vtdUtiles.bind(xm.outputAndReparse());
            }
            XMLModifier xm = vtdUtiles.insert("/termEntry/langSet", langSetValue);
            vtdUtiles.bind(xm.outputAndReparse());
            vu.getVTDNav().push();
            while (termAp.evalXPath() != -1) {
                String pureText = DocUtils.getTmxTbxPureText(vu);
                String fullText = vu.getElementContent();
                // 当pureText为空字符串时，HASH字段留空
                String hash = null;
                if (pureText != null) {
                    hash = "" + pureText.hashCode();
                }
                dbOperator.insertTextData("B", Integer.parseInt(termEntryPk), hash, pureText, fullText, Utils.convertLangCode(curlang), null, null);
            }
            termAp.resetXPath();
            vu.getVTDNav().pop();
        }
        langSetAp.resetXPath();
        vu.getVTDNav().pop();
        // 处理note
        List<String> existDbNoteId = new ArrayList<String>();
        List<String> existDbNotePk = new ArrayList<String>();
        // 用于记录已经处理的noteId,过滤掉文件重复的内容
        List<String> noteIdRm = new ArrayList<String>();
        StringBuffer noteContentBf = new StringBuffer();
        AutoPilot noteAp = new AutoPilot(vu.getVTDNav());
        vu.getVTDNav().push();
        noteAp.selectXPath("./note");
        while (noteAp.evalXPath() != -1) {
            String noteId = vu.getCurrentElementAttribut("id", "");
            String noteContent = vu.getElementContent();
            if (noteId.equals("") || noteContent == null || noteContent.equals("")) {
                continue;
            }
            String[] ids = noteId.split(",");
            if (ids.length != 2) {
                continue;
            }
            String reNoteId = ids[1] + "," + ids[0];
            if (noteIdRm.contains(noteId) || noteIdRm.contains(reNoteId)) {
                // 重复不重复写入
                continue;
            }
            // 记录已经处理的note
            noteIdRm.add(noteId);
            AutoPilot dbNoteAp = new AutoPilot(vtdUtiles.getVTDNav());
            dbNoteAp.selectXPath("/termEntry/note[@id='" + noteId + "' or @id='" + reNoteId + "']");
            while (dbNoteAp.evalXPath() != -1) {
                String dbNoteId = vtdUtiles.getCurrentElementAttribut("id", "");
                if (!existDbNoteId.contains(dbNoteId)) {
                    existDbNoteId.add(dbNoteId);
                }
                List<Map<String, String>> result = dbOperator.getBNodeByParent(termEntryPk, "termEntry", "E", "note", dbNoteId);
                for (Map<String, String> map : result) {
                    existDbNotePk.add(map.get("NPKID"));
                }
            }
            dbOperator.insertBNode(Integer.parseInt(termEntryPk), "termEntry", "E", "note", noteId, noteContent);
            noteContentBf.append(vu.getElementFragment());
        }
        if (existDbNotePk.size() > 0) {
            dbOperator.deleteBNode(existDbNotePk);
        }
        StringBuffer xpathWhere = new StringBuffer();
        for (String dbNodeId : existDbNoteId) {
            xpathWhere.append("@id='" + dbNodeId + "' or ");
        }
        if (xpathWhere.length() > 0) {
            String xpath = xpathWhere.substring(0, xpathWhere.lastIndexOf("or"));
            // 清除文件中的note
            XMLModifier xm = vtdUtiles.delete("/termEntry/note[" + xpath + "]", VTDUtils.PILOT_TO_END);
            vtdUtiles.bind(xm.outputAndReparse());
        }
        if (noteContentBf.length() != 0) {
            XMLModifier xm = vtdUtiles.insert("/termEntry/text()", noteContentBf.toString());
            vtdUtiles.bind(xm.outputAndReparse());
        }
        content = vtdUtiles.getElementFragment();
        dbOperator.updateTermEntry(content, termEntryPk);
        vu.getVTDNav().pop();
    }
}

Example 4 with VTDUtils

use of net.heartsome.xml.vtdimpl.VTDUtils in project translationstudio8 by heartsome.

the class ImportTbx method saveTermEntryWithMerge.

private void saveTermEntryWithMerge(Map<String, String> dbTermEntry, AutoPilot langSetAp, AutoPilot termAp) throws XPathParseException, XPathEvalException, NavException, SQLException, EncodingException, EOFException, EntityException, ParseException, TranscodeException, ModifyException, IOException {
    String content = dbTermEntry.get("CONTENT");
    String termEntryPk = dbTermEntry.get("BTEPKID");
    // content修改标记
    boolean changFlag = false;
    VTDGen vg = new VTDGen();
    VTDUtils vtdUtiles = new VTDUtils();
    vg.setDoc(content.getBytes());
    vg.parse(true);
    vtdUtiles.bind(vg.getNav());
    AutoPilot _ap = new AutoPilot(vtdUtiles.getVTDNav());
    if (!content.equals(vu.getElementFragment())) {
        vu.getVTDNav().push();
        while (langSetAp.evalXPath() != -1) {
            String curlang = getElementAttribute("xml:lang");
            String tigValue = vu.getChildContent("tig");
            String ntigValue = vu.getChildContent("ntig");
            vtdUtiles.getVTDNav().push();
            _ap.selectXPath("/termEntry/langSet[@xml:lang='" + curlang + "']");
            if (_ap.evalXPath() != -1) {
                // 当语言的langSet在库中是否存在
                vu.getVTDNav().push();
                while (termAp.evalXPath() != -1) {
                    String fullText = vu.getElementContent();
                    String pureText = DocUtils.getTmxTbxPureText(vu);
                    vtdUtiles.getVTDNav().push();
                    _ap.selectXPath("./tig[term='" + fullText + "']|./ntig/termGrp[term='" + fullText + "']");
                    if (_ap.evalXPath() == -1) {
                        XMLModifier xm = null;
                        if (tigValue != null) {
                            xm = vtdUtiles.insert("/termEntry/langSet[@xml:lang='" + curlang + "']/tig", "<tig>" + tigValue + "</tig>");
                        } else if (ntigValue != null) {
                            xm = vtdUtiles.insert("/termEntry/langSet[@xml:lang='" + curlang + "']/tig", "<ntig>" + ntigValue + "</ntig>");
                        }
                        vtdUtiles.bind(xm.outputAndReparse());
                        // 当pureText为空字符串时，HASH字段留空
                        String hash = null;
                        if (pureText != null) {
                            hash = "" + pureText.hashCode();
                        }
                        dbOperator.insertTextData("B", Integer.parseInt(termEntryPk), hash, pureText, fullText, Utils.convertLangCode(curlang), null, null);
                        changFlag = true;
                    }
                    _ap.resetXPath();
                    vtdUtiles.getVTDNav().pop();
                }
                termAp.resetXPath();
                //
                vu.getVTDNav().pop();
            } else {
                // 库中不存在该种语言的langSet,则新增
                XMLModifier xm = vtdUtiles.insert("/termEntry/langSet", vu.getElementFragment());
                vtdUtiles.bind(xm.outputAndReparse());
                changFlag = true;
                vu.getVTDNav().push();
                if (termAp.evalXPath() != -1) {
                    String fullText = vu.getElementContent();
                    String pureText = DocUtils.getTmxTbxPureText(vu);
                    // 当pureText为空字符串时，HASH字段留空
                    String hash = null;
                    if (pureText != null) {
                        hash = "" + pureText.hashCode();
                    }
                    dbOperator.insertTextData("B", Integer.parseInt(termEntryPk), hash, pureText, fullText, Utils.convertLangCode(curlang), null, null);
                }
                termAp.resetXPath();
                vu.getVTDNav().pop();
            }
            vtdUtiles.getVTDNav().pop();
        }
        langSetAp.resetXPath();
        vu.getVTDNav().pop();
        // 处理note
        List<String> existDbNoteId = new ArrayList<String>();
        List<String> existDbNotePk = new ArrayList<String>();
        // 用于记录已经处理的noteId,过滤掉文件重复的内容
        List<String> noteIdRm = new ArrayList<String>();
        StringBuffer noteContentBf = new StringBuffer();
        AutoPilot noteAp = new AutoPilot(vu.getVTDNav());
        vu.getVTDNav().push();
        noteAp.selectXPath("./note");
        while (noteAp.evalXPath() != -1) {
            String noteId = vu.getCurrentElementAttribut("id", "");
            String noteContent = vu.getElementContent();
            if (noteId.equals("") || noteContent == null || noteContent.equals("")) {
                continue;
            }
            String[] ids = noteId.split(",");
            if (ids.length != 2) {
                continue;
            }
            String reNoteId = ids[1] + "," + ids[0];
            if (noteIdRm.contains(noteId) || noteIdRm.contains(reNoteId)) {
                // 重复不重复写入
                continue;
            }
            // 记录已经处理的note
            noteIdRm.add(noteId);
            AutoPilot dbNoteAp = new AutoPilot(vtdUtiles.getVTDNav());
            dbNoteAp.selectXPath("/termEntry/note[@id='" + noteId + "' or @id='" + reNoteId + "']");
            while (dbNoteAp.evalXPath() != -1) {
                String dbNoteId = vtdUtiles.getCurrentElementAttribut("id", "");
                if (!existDbNoteId.contains(dbNoteId)) {
                    existDbNoteId.add(dbNoteId);
                }
                List<Map<String, String>> result = dbOperator.getBNodeByParent(termEntryPk, "termEntry", "E", "note", dbNoteId);
                for (Map<String, String> map : result) {
                    existDbNotePk.add(map.get("NPKID"));
                }
            }
            dbOperator.insertBNode(Integer.parseInt(termEntryPk), "termEntry", "E", "note", noteId, noteContent);
            noteContentBf.append(vu.getElementFragment());
        }
        vu.getVTDNav().pop();
        if (existDbNotePk.size() > 0) {
            dbOperator.deleteBNode(existDbNotePk);
        }
        StringBuffer xpathWhere = new StringBuffer();
        for (String dbNodeId : existDbNoteId) {
            xpathWhere.append("@id='" + dbNodeId + "' or ");
        }
        if (xpathWhere.length() > 0) {
            String xpath = xpathWhere.substring(0, xpathWhere.lastIndexOf("or"));
            // 清除文件中的note
            XMLModifier xm = vtdUtiles.delete("/termEntry/note[" + xpath + "]", VTDUtils.PILOT_TO_END);
            vtdUtiles.bind(xm.outputAndReparse());
            changFlag = true;
        }
        if (noteContentBf.length() != 0) {
            XMLModifier xm = vtdUtiles.insert("/termEntry/text()", noteContentBf.toString());
            vtdUtiles.bind(xm.outputAndReparse());
            changFlag = true;
        }
        if (changFlag) {
            dbOperator.updateTermEntry(vtdUtiles.getElementFragment(), termEntryPk);
        }
    }
}

Example 5 with VTDUtils

use of net.heartsome.xml.vtdimpl.VTDUtils in project translationstudio8 by heartsome.

the class DocUtils method isTBX.

/**
	 * 判断是否是正确的 TBX 文件
	 * @param fileName
	 *            TBX 文件的全路径
	 * @return 反回null，验证失败
	 * @throws ParseException
	 * @throws EntityException
	 * @throws EOFException
	 * @throws EncodingException
	 * @throws FileNotFoundException
	 */
public static VTDUtils isTBX(String fileName) throws EncodingException, ParseException, FileNotFoundException {
    VTDGen vg = new VTDGen();
    FileInputStream fis = null;
    File f = null;
    try {
        f = new File(fileName);
        fis = new FileInputStream(f);
        byte[] b = new byte[(int) f.length()];
        int offset = 0;
        int numRead = 0;
        // I choose this value randomally,
        int numOfBytes = 1048576;
        // any other (not too big) value also can be here.
        if (b.length - offset < numOfBytes) {
            numOfBytes = b.length - offset;
        }
        while (offset < b.length && (numRead = fis.read(b, offset, numOfBytes)) >= 0) {
            offset += numRead;
            if (b.length - offset < numOfBytes) {
                numOfBytes = b.length - offset;
            }
        }
        vg.setDoc(b);
        vg.parse(true);
    } catch (IOException e) {
        LOGGER.error(Messages.getString("document.DocUtils.logger1"), e);
    } finally {
        if (fis != null) {
            try {
                fis.close();
            } catch (Exception e) {
            }
        }
    }
    VTDNav vn = vg.getNav();
    AutoPilot ap = new AutoPilot(vn);
    String rootPath = "/martif";
    VTDUtils vtdUtils = new VTDUtils();
    try {
        vtdUtils.bind(vn);
        ap.selectXPath(rootPath);
        if (ap.evalXPath() == -1) {
            // } else {
            return null;
        }
    } catch (NavException e) {
        LOGGER.error(Messages.getString("document.DocUtils.logger2"), e);
        return null;
    } catch (XPathEvalException e) {
        LOGGER.error(Messages.getString("document.DocUtils.logger2"), e);
        return null;
    } catch (XPathParseException e) {
        LOGGER.error(Messages.getString("document.DocUtils.logger2"), e);
        return null;
    } finally {
        vg.clear();
    }
    return vtdUtils;
}