Package org.apache.catalina.util
Class Introspection
java.lang.Object
org.apache.catalina.util.Introspection
Provides introspection utilities that either require knowledge of Tomcat
 internals or are solely used by Tomcat internals.
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Constructor SummaryConstructors
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Method SummaryModifier and TypeMethodDescriptionstatic Class<?>convertPrimitiveType(Class<?> clazz) Converts the primitive type to its corresponding wrapper.static Field[]getDeclaredFields(Class<?> clazz) Obtain the declared fields for a class taking account of any security manager that may be configured.static Method[]getDeclaredMethods(Class<?> clazz) Obtain the declared methods for a class taking account of any security manager that may be configured.static StringgetPropertyName(Method setter) Extract the Java Bean property name from the setter name.static booleanisValidLifecycleCallback(Method method) Determines if a method is a valid lifecycle callback method.static booleanisValidSetter(Method method) Determines if a method has a valid name and signature for a Java Bean setter.static Class<?>Attempt to load a class using the given Container's class loader.
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Constructor Details- 
Introspectionpublic Introspection()
 
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Method Details- 
getPropertyNameExtract 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
 
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isValidSetterDetermines if a method has a valid name and signature for a Java Bean setter.- Parameters:
- method- The method to test
- Returns:
- trueif the method does have a valid name and signature, else- false
 
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isValidLifecycleCallbackDetermines if a method is a valid lifecycle callback method.- Parameters:
- method- The method to test
- Returns:
- trueif the method is a valid lifecycle callback method, else- false
 
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getDeclaredFieldsObtain 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
 
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getDeclaredMethodsObtain 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
 
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loadClassAttempt 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 nullif loading failed
 
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convertPrimitiveTypeConverts 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
 
 
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