* @return the integer value or default value
     */
    protected Integer getDefaultInteger(final String key, final Integer defaultValue) {
        final String value = systemProperties.getProperty(key);
        if (value != null) {
            try {
                return Integer.parseInt(value);
            } catch (final NumberFormatException e) {}
        }
        return defaultValue;
    }

    for (path in fileSystem.list(directory)) {
      deployFile(path)
    }
  }

  private fun RepositoryPlugin.deployClassPath() {
    val classpath = System.getProperty("java.class.path")
    val entries =
      classpath
        .split(File.pathSeparator.toRegex())
        .dropLastWhile { it.isEmpty() }
        .toTypedArray()
    for (classPathEntry in entries) {

}

public int getHandleReconnectRetries() {
    return getIntProperty(HANDLE_RECONNECT_RETRIES, 3);
}

public String getHandleStateDirectory() {
    return getProperty(HANDLE_STATE_DIR, 
        System.getProperty("user.home") + "/.jcifs/handles");
}
```

## 8. Testing Strategy

### 8.1 Unit Tests
```java
package jcifs.tests.smb3;

import org.junit.Test;

        final String value = System.getProperty("java.protocol.handler.pkgs");
        if (StringUtil.isEmpty(value)) {
            buf.append("org.codelibs.fess.net.protocol");
        } else if (!value.contains("org.codelibs.fess.net.protocol")) {
            buf.append("|org.codelibs.fess.net.protocol");
        }
        if (buf.length() > 0) {
            System.setProperty("java.protocol.handler.pkgs", buf.toString());
        }

            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);

    }

    /**
     * Gets the HTTP address of the search engine.
     *
     * @return The search engine HTTP address.
     */
    public static String getSearchEngineHttpAddress() {
        return System.getProperty(Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS);
    }

     *
     * @return the Java version number, defaults to 8 if version cannot be determined
     */
    public static int getJavaVersion() {
        final String javaVersion = System.getProperty("java.version");
        int version = 8;
        if (javaVersion != null) {
            final String[] split = javaVersion.split("[\\._]");
            if (split.length > 0) {

     * Creates KerberosCredentials using the default JAAS configuration.
     *
     * @throws LoginException if authentication fails
     */
    public KerberosCredentials() throws LoginException {
        this(System.getProperty("jaaslounge.sso.jaas.config"));
    }

    /**
     * Creates KerberosCredentials using the specified JAAS login context.
     *
     * @param loginContextName the name of the JAAS login context

plugins {
  kotlin("jvm")
  id("org.jetbrains.dokka")
  id("com.vanniktech.maven.publish.base")
  id("com.gradleup.shadow")
}

val testJavaVersion = System.getProperty("test.java.version", "21").toInt()

val copyResourcesTemplates = tasks.register<Copy>("copyResourcesTemplates") {
  from("src/main/resources-templates")
  into(layout.buildDirectory.dir("generated/resources-templates"))

        helper.updateSystemProperties();
        assertNull(System.getProperty("fess." + now));
        assertNull(System.getProperty("test." + now));
        appValue.set("=abc\nfess." + now + "=test1\ntest." + now + "=test2");
        helper.updateSystemProperties();
        assertEquals("test1", System.getProperty("fess." + now));
        assertEquals("test2", System.getProperty("test." + now));
    }