IntrospectionUtils (Apache Tomcat 8.5.43 API Documentation)

org.apache.tomcat.util

## Class IntrospectionUtils

- java.lang.Object
- - org.apache.tomcat.util.IntrospectionUtils

-     public final class IntrospectionUtils
      extends java.lang.Object

  Utils for introspection and reflection

- - ### Nested Class Summary

    Nested Classes
    Modifier and Type | Class and Description
    --- | ---
    `static interface` | `IntrospectionUtils.PropertySource`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `IntrospectionUtils()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `static java.lang.Object` | `callMethod1(java.lang.Object target, java.lang.String methodN, java.lang.Object param1, java.lang.String typeParam1, java.lang.ClassLoader cl)`
    `static java.lang.Object` | `callMethodN(java.lang.Object target, java.lang.String methodN, java.lang.Object[] params, java.lang.Class<?>[] typeParams)`
    `static java.lang.String` | `capitalize(java.lang.String name)` Reverse of Introspector.decapitalize.
    `static void` | `clear()`
    `static java.lang.Object` | `convert(java.lang.String object, java.lang.Class<?> paramType)`
    `static java.lang.reflect.Method` | `findMethod(java.lang.Class<?> c, java.lang.String name, java.lang.Class<?>[] params)`
    `static java.lang.reflect.Method[]` | `findMethods(java.lang.Class<?> c)`
    `static java.lang.Object` | `getProperty(java.lang.Object o, java.lang.String name)`
    `static boolean` | `isInstance(java.lang.Class<?> clazz, java.lang.String type)`
    `static java.lang.String` | `replaceProperties(java.lang.String value, java.util.Hashtable<java.lang.Object,java.lang.Object> staticProp, IntrospectionUtils.PropertySource[] dynamicProp)` Replace ${NAME} with the property value.
    `static boolean` | `setProperty(java.lang.Object o, java.lang.String name, java.lang.String value)` Find a method with the right name If found, call the method ( if param is int or boolean we'll convert value to the right type before) - that means you can have setDebug(1).
    `static boolean` | `setProperty(java.lang.Object o, java.lang.String name, java.lang.String value, boolean invokeSetProperty)`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### IntrospectionUtils

          public IntrospectionUtils()

  - ### Method Detail

    - #### setProperty

          public static boolean setProperty(java.lang.Object o,
                            java.lang.String name,
                            java.lang.String value)

      Find a method with the right name If found, call the method ( if param is int or boolean we'll convert value to the right type before) - that means you can have setDebug(1).
      Parameters:
        `o` - The object to set a property on
        `name` - The property name
        `value` - The property value
      Returns:
        `true` if operation was successful

    - #### setProperty

          public static boolean setProperty(java.lang.Object o,
                            java.lang.String name,
                            java.lang.String value,
                            boolean invokeSetProperty)

    - #### getProperty

          public static java.lang.Object getProperty(java.lang.Object o,
                                     java.lang.String name)

    - #### replaceProperties

          public static java.lang.String replaceProperties(java.lang.String value,
                                           java.util.Hashtable<java.lang.Object,java.lang.Object> staticProp,
                                           IntrospectionUtils.PropertySource[] dynamicProp)

      Replace ${NAME} with the property value.
      Parameters:
        `value` - The value
        `staticProp` - Replacement properties
        `dynamicProp` - Replacement properties
      Returns:
        the replacement value

    - #### capitalize

          public static java.lang.String capitalize(java.lang.String name)

      Reverse of Introspector.decapitalize.
      Parameters:
        `name` - The name
      Returns:
        the capitalized string

    - #### clear

          public static void clear()

    - #### findMethods

          public static java.lang.reflect.Method[] findMethods(java.lang.Class<?> c)

    - #### findMethod

          public static java.lang.reflect.Method findMethod(java.lang.Class<?> c,
                                            java.lang.String name,
                                            java.lang.Class<?>[] params)

    - #### callMethod1

          public static java.lang.Object callMethod1(java.lang.Object target,
                                     java.lang.String methodN,
                                     java.lang.Object param1,
                                     java.lang.String typeParam1,
                                     java.lang.ClassLoader cl)
                                              throws java.lang.Exception

      Throws:
        `java.lang.Exception`

    - #### callMethodN

          public static java.lang.Object callMethodN(java.lang.Object target,
                                     java.lang.String methodN,
                                     java.lang.Object[] params,
                                     java.lang.Class<?>[] typeParams)
                                              throws java.lang.Exception

      Throws:
        `java.lang.Exception`

    - #### convert

          public static java.lang.Object convert(java.lang.String object,
                                 java.lang.Class<?> paramType)

    - #### isInstance

          public static boolean isInstance(java.lang.Class<?> clazz,
                           java.lang.String type)

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