Class FieldMethodizer
- java.lang.Object
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- org.apache.velocity.app.FieldMethodizer
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public class FieldMethodizer extends Object
This is a small utility class allow easy access to static fields in a class, such as string constants. Velocity will not introspect for class fields (and won't in the future :), but writing setter/getter methods to do this really is a pain, so use this if you really have to access fields.
The idea it so enable access to the fields just like you would in Java. For example, in Java, you would access a static field like
and that is the same thing we are trying to allow here.MyClass.STRING_CONSTANT
So to use in your Java code, do something like this :
and then in your template, you can access any of your static fields in this way :context.put("runtime", new FieldMethodizer( "org.apache.velocity.runtime.Runtime" ));
$runtime.COUNTER_NAME
Right now, this class only methodizes
public static
fields. It seems that anything else is too dangerous. This class is for convenience accessing 'constants'. If you have fields that aren'tstatic
it may be better to handle them by explicitly placing them into the context.- Version:
- $Id$
- Author:
- Geir Magnusson Jr.
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Constructor Summary
Constructors Constructor Description FieldMethodizer()
Allow object to be initialized without any data.FieldMethodizer(Object o)
Constructor that takes as it's arg a living object to methodize.FieldMethodizer(String s)
Constructor that takes as it's arg the name of the class to methodize.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
addObject(Object o)
Add an Object to methodizevoid
addObject(String s)
Add the Name of the class to methodizeObject
get(String fieldName)
Accessor method to get the fields by name.
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Constructor Detail
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FieldMethodizer
public FieldMethodizer()
Allow object to be initialized without any data. You would use addObject() to add data later.
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FieldMethodizer
public FieldMethodizer(String s)
Constructor that takes as it's arg the name of the class to methodize.- Parameters:
s
- Name of class to methodize.
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FieldMethodizer
public FieldMethodizer(Object o)
Constructor that takes as it's arg a living object to methodize. Note that it will still only methodized the public static fields of the class.- Parameters:
o
- Name of class to methodize.
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