Class Introspection

java.lang.Object
org.apache.catalina.util.Introspection
public class Introspection extends Object
Provides introspection utilities that either require knowledge of Tomcat internals or are solely used by Tomcat internals.

  • Constructor Details

    • Introspection

      public Introspection()

  • Method Details

    • getPropertyName

      public static String getPropertyName(Method setter)
      Extract the Java Bean property name from the setter name. Note: This method assumes that the method name has already been checked for correctness.
      Parameters:
      setter - The setter method
      Returns:
      the bean property name

    • isValidSetter

      public static boolean isValidSetter(Method method)
      Determines if a method has a valid name and signature for a Java Bean setter.
      Parameters:
      method - The method to test
      Returns:
      true if the method does have a valid name and signature, else false

    • isValidLifecycleCallback

      public static boolean isValidLifecycleCallback(Method method)
      Determines if a method is a valid lifecycle callback method.
      Parameters:
      method - The method to test
      Returns:
      true if the method is a valid lifecycle callback method, else false

    • getDeclaredFields

      public static Field[] getDeclaredFields(Class<?> clazz)
      Obtain the declared fields for a class taking account of any security manager that may be configured.
      Parameters:
      clazz - The class to introspect
      Returns:
      the class fields as an array

    • getDeclaredMethods

      public static Method[] getDeclaredMethods(Class<?> clazz)
      Obtain the declared methods for a class taking account of any security manager that may be configured.
      Parameters:
      clazz - The class to introspect
      Returns:
      the class methods as an array

    • loadClass

      public static Class<?> loadClass(Context context, String className)
      Attempt to load a class using the given Container's class loader. If the class cannot be loaded, a debug level log message will be written to the Container's log and null will be returned.
      Parameters:
      context - The class loader of this context will be used to attempt to load the class
      className - The class name
      Returns:
      the loaded class or null if loading failed

    • convertPrimitiveType

      public static Class<?> convertPrimitiveType(Class<?> clazz)
      Converts the primitive type to its corresponding wrapper.
      Parameters:
      clazz - Class that will be evaluated
      Returns:
      if the parameter is a primitive type returns its wrapper; otherwise returns the same class