return !isEmpty(text);
    }

    /**
     * Replaces all occurrences of a substring within a string with another string.
     *
     * @param text
     *            The original string.
     * @param fromText
     *            The substring to be replaced.
     * @param toText
     *            The replacement substring.
     * @return The resulting string after replacements.
     */

    // pool ID but a thread ID of 2.
    Thread thread2 = threadFactory.newThread(monitoredRunnable);
    checkThreadPoolName(thread2, 2);
    assertThat(thread2.getName().substring(0, thread.getName().lastIndexOf('-')))
        .isEqualTo(thread.getName().substring(0, thread.getName().lastIndexOf('-')));

    // Building again should give us a different pool ID.
    ThreadFactory threadFactory2 = builder.build();

    // pool ID but a thread ID of 2.
    Thread thread2 = threadFactory.newThread(monitoredRunnable);
    checkThreadPoolName(thread2, 2);
    assertThat(thread2.getName().substring(0, thread.getName().lastIndexOf('-')))
        .isEqualTo(thread.getName().substring(0, thread.getName().lastIndexOf('-')));

    // Building again should give us a different pool ID.
    ThreadFactory threadFactory2 = builder.build();

        return host.substring(1, host.length - 5).lowercase()
      }

      override fun canonicalize(s: String): String = s.lowercase()
    },

    PATH {
      override fun urlString(value: String): String = "http://example.com/a${value}z/"

      override fun encodedValue(url: HttpUrl): String {
        val path = url.encodedPath
        return path.substring(2, path.length - 2)
      }

    }

    @AfterEach
    void tearDown() throws Exception {
        validator = null;
    }

    private void assertContains(String msg, String substring) {
        assertTrue(msg.contains(substring), "\"" + substring + "\" was not found in: " + msg);
    }

    @Test
    void testValidate() {
        Settings model = new Settings();
        Profile prof = new Profile();
        prof.setId("xxx");

            results.add(result);

            Artifact artifact = request.getArtifact();
            if ("maven-test".equals(artifact.getGroupId())) {
                String scope = artifact.getArtifactId().substring("scope-".length());

                try {
                    artifact = artifact.setFile(ProjectClasspathTestType.getFileForClasspathResource(

                    }
                }
                if (matcher.group(3) != null) {
                    tag.setCss(matcher.group(3).substring(1));
                }
                if (matcher.group(4) != null) {
                    tag.setId(matcher.group(4).substring(1));
                }
                return tag;
            }
            throw new FessSystemException("Invalid pruned tag format: '" + v

                } else if (aggregation.getName().startsWith(Constants.FACET_QUERY_PREFIX)) {
                    final Filter queryFacet = (Filter) aggregation;
                    final String encodedQuery = queryFacet.getName().substring(Constants.FACET_QUERY_PREFIX.length());
                    queryCountMap.put(new String(BaseEncoding.base64().decode(encodedQuery), StandardCharsets.UTF_8),
                            queryFacet.getDocCount());
                }

        }

        final HttpServletRequest httpRequest = (HttpServletRequest) request;
        final HttpServletResponse httpResponse = (HttpServletResponse) response;
        final String path = httpRequest.getRequestURI().substring(httpRequest.getContextPath().length());

        if (isExcludedPath(path)) {
            chain.doFilter(request, response);
            return;
        }

        final boolean isApiPath = path.startsWith("/api/");

 * containing {@code n} occurrences of the separator naturally yields an iterable of size {@code n +
 * 1}. So if the separator does not occur anywhere in the input, a single substring is returned
 * containing the entire input. Consequently, all splitters split the empty string to {@code [""]}
 * (note: even fixed-length splitters).
 *