com.mortbay.Util
Class PropertyEnumeration
java.lang.Object
|
+--com.mortbay.Util.PropertyEnumeration
- public class PropertyEnumeration
- extends java.lang.Object
- implements java.util.Enumeration
Provide an Enumeration over a Classes Properties
Optionally, this class allows the user to enumerate over a Classes public
fields.
Utility methods allow properties or public fields to be set transparently
Constructor Summary |
PropertyEnumeration(java.lang.Class class_,
boolean settable,
boolean useFields)
Constructor. |
Method Summary |
static java.lang.Object |
get(java.lang.Object obj,
java.lang.String name)
utility method for transparently getting a property or field |
java.lang.Class |
getType()
Get the type of the current property/field |
java.lang.Class |
getType(java.lang.String name)
Get the type of the named property/field |
boolean |
hasMoreElements()
|
java.lang.Object |
nextElement()
|
static boolean |
set(java.lang.Object obj,
java.lang.String name,
java.lang.Object value)
utility method for transparently setting a property or field |
Methods inherited from class java.lang.Object |
clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait |
PropertyEnumeration
public PropertyEnumeration(java.lang.Class class_,
boolean settable,
boolean useFields)
- Constructor.
- Parameters:
class_
- The Class to Enumerate oversettable
- Include only properties that are settableuseFields
- Whether to include public fields or not.
hasMoreElements
public boolean hasMoreElements()
- Specified by:
- hasMoreElements in interface java.util.Enumeration
nextElement
public java.lang.Object nextElement()
- Specified by:
- nextElement in interface java.util.Enumeration
getType
public java.lang.Class getType()
- Get the type of the current property/field
getType
public java.lang.Class getType(java.lang.String name)
- Get the type of the named property/field
set
public static boolean set(java.lang.Object obj,
java.lang.String name,
java.lang.Object value)
throws java.lang.IllegalArgumentException,
java.lang.reflect.InvocationTargetException,
java.lang.IllegalAccessException
- utility method for transparently setting a property or field
- Parameters:
obj
- The object to set the value onname
- The name of the property or fieldvalue
- The value to set- Returns:
- true if it found the property/field and set it
- Throws:
- java.lang.IllegalArgumentException - If the value is of the wrong type
- java.lang.reflect.InvocationTargetException - If the set throws an Exception
- java.lang.IllegalAccessException - If the field is not public
get
public static java.lang.Object get(java.lang.Object obj,
java.lang.String name)
throws java.lang.reflect.InvocationTargetException,
java.lang.IllegalAccessException
- utility method for transparently getting a property or field
- Parameters:
obj
- The object to set the value onname
- The name of the property or field- Returns:
- The value of the property, or null if an error (or it was null!)
- Throws:
- java.lang.reflect.InvocationTargetException - If the set throws an Exception
- java.lang.IllegalAccessException - If the field is not public