org.apache.log4j.config
public class PropertySetter extends Object
Usage:
PropertySetter ps = new PropertySetter(anObject); ps.set("name", "Joe"); ps.set("age", "32"); ps.set("isMale", "true");will cause the invocations anObject.setName("Joe"), anObject.setAge(32), and setMale(true) if such methods exist with those signatures. Otherwise an {@link IntrospectionException} are thrown.
Since: 1.1
Field Summary | |
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protected Object | obj |
protected PropertyDescriptor[] | props |
Constructor Summary | |
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PropertySetter(Object obj)
Create a new PropertySetter for the specified Object. |
Method Summary | |
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void | activate() |
protected Object | convertArg(String val, Class type)
Convert val a String parameter to an object of a
given type. |
protected PropertyDescriptor | getPropertyDescriptor(String name) |
protected void | introspect()
Uses JavaBeans {@link Introspector} to computer setters of object to be
configured. |
static void | setProperties(Object obj, Properties properties, String prefix)
Set the properties of an object passed as a parameter in one
go. |
void | setProperties(Properties properties, String prefix)
Set the properites for the object that match the
prefix passed as parameter. |
void | setProperty(String name, String value)
Set a property on this PropertySetter's Object. |
void | setProperty(PropertyDescriptor prop, String name, String value)
Set the named property given a {@link PropertyDescriptor}. |
Parameters: obj the object for which to set properties
val
a String parameter to an object of a
given type.properties
are parsed relative to a
prefix
.Parameters: obj The object to configure. properties A java.util.Properties containing keys and values. prefix Only keys having the specified prefix will be set.
prefix
passed as parameter.If the setter expects a String no conversion is necessary. If it expects an int, then an attempt is made to convert 'value' to an int using new Integer(value). If the setter expects a boolean, the conversion is by new Boolean(value).
Parameters: name name of the property value String value of the property
Parameters: prop A PropertyDescriptor describing the characteristics of the property to set. name The named of the property to set. value The value of the property.