}

    @Override
    public void setProperty(@Nonnull Project project, @Nonnull String key, String value) {
        Properties properties = getMavenProject(project).getProperties();
        if (value == null) {
            properties.remove(key);
        } else {
            properties.setProperty(key, value);
        }
    }

    @Override
    @Nonnull

            version = prop.getProperty("fess.version", "0.0.0");
            final String[] values = version.split("\\.");
            majorVersion = Integer.parseInt(values[0]);
            minorVersion = Integer.parseInt(values[1]);
            productVersion = majorVersion + "." + minorVersion;
            System.setProperty("fess.version", version);
            System.setProperty("fess.product.version", productVersion);

                    }
                    final Map<String, String> ntlmParams = config.getNtlmParameters();
                    if (ntlmParams != null) {
                        ntlmParams.forEach(result::setProperty);
                    }
                }
            }
        } else if (value instanceof Hc5Authentication[]) {
            for (final Hc5Authentication auth : (Hc5Authentication[]) value) {

        String originalValue = System.getProperty(Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS);

        try {
            // Set initial value
            System.setProperty(Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS, "initial");
            assertEquals("initial", SystemUtil.getSearchEngineHttpAddress());

            // Change value and verify it's read fresh

        String initialValue = "initial";
        System.setProperty(Constants.FESS_CONFIG_PREFIX + testKey, initialValue);

        try {
            // Get initial value
            String value1 = fessConfig.get(testKey);
            assertEquals(initialValue, value1);

            // Change system property
            String newValue = "changed";
            System.setProperty(Constants.FESS_CONFIG_PREFIX + testKey, newValue);

    public void test_getJavaVersion() {
        System.setProperty("java.version", "1.4.2_19");
        assertEquals(4, JvmUtil.getJavaVersion());
        System.setProperty("java.version", "1.5.0_15");
        assertEquals(5, JvmUtil.getJavaVersion());
        System.setProperty("java.version", "1.6.0_34");
        assertEquals(6, JvmUtil.getJavaVersion());
        System.setProperty("java.version", "1.7.0_25");

    public void test_validateFilePath_validPathUnderSecondAllowedPath() throws Exception {
        final FessAdminAction action = createAction();
        System.setProperty("fess.var.path", varDir.toString());
        System.setProperty("fess.webapp.path", webappDir.toString());
        System.setProperty("fess.conf.path", confDir.toString());

        // Path under webapp (second property) should be valid

                props.setProperty("bool.true", "true");
                props.setProperty("bool.false", "false");
                props.setProperty("bool.yes", "yes");
                props.setProperty("bool.no", "no");
                props.setProperty("bool.on", "on");
                props.setProperty("bool.off", "off");
                props.setProperty("bool.1", "1");

        List<String> cmdList = new ArrayList<>();

        // Set various properties
        System.setProperty("app.module.feature1", "enabled");
        System.setProperty("app.module.feature2", "disabled");
        System.setProperty("app.service.api", "v2");
        System.setProperty("config.app.module", "test");

        // Test with complex regex

        System.setProperty("abc", "123");

        value = "${abc}";
        assertEquals("123", ResourceUtil.resolve(value));

        value = "xxx${abc}zzz";
        assertEquals("xxx123zzz", ResourceUtil.resolve(value));

        value = "${abc.xyz}";
        assertEquals(value, ResourceUtil.resolve(value));

        System.setProperty("abc.xyz", "789");

        value = "${abc.xyz}";