return StringUtil.EMPTY;
        }
        // Remove trailing slash if present
        String name = objectName;
        if (name.endsWith("/")) {
            name = name.substring(0, name.length() - 1);
        }
        final String[] values = name.split("/");
        if (values.length == 0) {
            return StringUtil.EMPTY;
        }
        return values[values.length - 1];

    <example>${fe:join(values)}</example>
  </function>

  <function>
    <description>
      Returns a string resulting from replacing in an input string all occurrences
      of a "before" string into an "after" substring.
    </description>
    <name>replace</name>
    <function-class>org.codelibs.fess.taglib.FessFunctions</function-class>

                field.setAccessible(true);
                String value = (String) field.get(null);

                // Convert field name to expected value
                String fieldNamePart = field.getName().substring("LABELS_".length());
                String expectedValuePart = fieldNamePart.toLowerCase()
                        .replace("_", ".")
                        .replaceAll("\\.placeholder$", ".placeholder")

        assertArgumentNotNull("zipUrl", zipUrl);

        final String urlString = zipUrl.getPath();
        final int pos = urlString.lastIndexOf('!');
        final String zipFilePath = urlString.substring(0, pos);
        final File zipFile = new File(URLUtil.decode(zipFilePath, "UTF8"));
        return FileUtil.getCanonicalPath(zipFile);
    }

    /**
     * Closes the Zip file.
     * <p>

        if (StringUtil.isBlank(path)) {
            return false;
        }

        try {
            final int pos = path.indexOf('/', 6);
            final URI uri = new URI(pos == -1 ? path : path.substring(0, pos));
            if (!"ftp".equals(uri.getScheme()) || (StringUtil.isNotBlank(server) && !server.equals(uri.getHost()))) {
                return false;
            }
            int p = uri.getPort();

        }

        private static String summarize(String s) {
            if (s == null) return "null";
            String t = s.replace("\n", "\\n");
            if (t.length() > 500) {
                return t.substring(0, 500) + "...(truncated)";
            }
            return t;
        }
    }

    private static ExecResult exec(String[] command) throws IOException, InterruptedException, ExecutionException {

            String key = entry.getKey();
            int lastUnderscore = key.lastIndexOf('_');
            if (lastUnderscore > 0) {
                try {
                    long window = Long.parseLong(key.substring(lastUnderscore + 1));
                    return window < currentWindow - 2; // Keep current and previous window
                } catch (NumberFormatException e) {
                    return true; // Remove invalid entries

Vous pouvez en lire davantage sur d’autres middlewares dans le [Guide de l’utilisateur avancé : Middleware avancé](../advanced/middleware.md).

                        if (target.length() > textFragmentPrefixLength + textFragmentSuffixLength) {
                            list.add(new TextFragment(null, target.substring(0, textFragmentPrefixLength),
                                    target.substring(target.length() - textFragmentSuffixLength), null));
                        }
                    }
                }
            }
        }

* 响应：路由 → MiddlewareA → MiddlewareB

这种栈式行为确保中间件按可预测且可控的顺序执行。

## 其他中间件 { #other-middlewares }

你可以稍后在[高级用户指南：高级中间件](../advanced/middleware.md)中阅读更多关于其他中间件的内容。