java.lang.Object
java.beans.FeatureDescriptor
java.beans.PropertyDescriptor
- Direct Known Subclasses:
- IndexedPropertyDescriptor
- See Also:
- Top Examples, Source Code
public PropertyEditor createPropertyEditor(Object bean)
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public boolean equals(Object obj)
- See Also:
Hashtable, Object.hashCode()
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public Class<?> getPropertyEditorClass()
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public Class<?> getPropertyType()
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public Method getReadMethod()
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
[1614]JavaBean Introspection
By Anonymous on 2005/11/04 20:23:08 Rate
//Copy Java Bean
public static String transfer ( Object source, Object target )
{
PropertyDescriptor [ ] sourceProperties = null;
PropertyDescriptor [ ] targetProperties = null;
try
{
sourceProperties = Introspector.getBeanInfo ( source.getClass ( ) )
.getPropertyDescriptors ( ) ;
targetProperties = Introspector.getBeanInfo ( target.getClass ( ) )
.getPropertyDescriptors ( ) ;
}
catch ( IntrospectionException ex )
{
return ( "Couldn't derive property descriptors." ) ;
}
StringBuffer results = new StringBuffer ( ) ;
Object [ ] value = { null } ;
Source:
for ( int s = 0; s < sourceProperties.length; ++s )
{
String name = sourceProperties [ s ] .getName ( ) ;
try
{
Target:
for ( int t = 0; t < targetProperties.length; ++t )
if ( targetProperties [ t ] .getName ( ) .equals ( name ) )
{
Method read = sourceProperties [ s ] .getReadMethod ( ) ;
Method write = targetProperties [ t ] .getWriteMethod ( ) ;
if ( read == null || write == null )
break Target;
value [ 0 ] = read.invoke ( source, null ) ;
write.invoke ( target, value ) ;
results.append ( "Transferred property " )
.append ( name )
.append ( " = " )
.append ( value [ 0 ] )
.append ( "." )
.append ( "\r\n" ) ;
break Target;
}
}
catch ( Exception ex )
{
results.append ( "Exception transferring property " )
.append ( name )
.append ( ": " )
.append ( ex.getClass ( ) .getName ( ) )
.append ( "\r\n" ) ;
}
}
return results.toString ( ) ;
}
public Method getWriteMethod()
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
[814]Invoke JavaBean method via introspection
By mohan { at } componentplus { dot } com on 2004/06/21 09:09:53 Rate
import java.beans.*;
import java.lang.reflect.*;
public class BeanUtil {
......
....
CustomerBean bean = new CustomerBean ( ) ;
BeanInfo bi = Introspector.getBeanInfo ( bean.getClass ( ) ) ;
PropertyDescriptor pd = getPropertyDescriptor ( bean, "CustomerName" ) ;
Method setter = pd.getWriteMethod ( ) ;
Class [ ] paramTypes = setter.getParameterTypes ( ) ;
Object [ ] args = new Object [ 1 ] ;
args [ 0 ] = "Mohan";
setter.invoke ( bean, args ) ;
public int hashCode()
- See Also:
Hashtable, Object.equals(java.lang.Object)
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public boolean isBound()
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public boolean isConstrained()
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public PropertyDescriptor(String propertyName,
Class<?> beanClass)
throws IntrospectionException- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public PropertyDescriptor(String propertyName,
Class<?> beanClass,
String readMethodName,
String writeMethodName)
throws IntrospectionException- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public PropertyDescriptor(String propertyName,
Method readMethod,
Method writeMethod)
throws IntrospectionException- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public void setBound(boolean bound)
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public void setConstrained(boolean constrained)
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public void setPropertyEditorClass(Class<?> propertyEditorClass)
- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public void setReadMethod(Method readMethod)
throws IntrospectionException- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
public void setWriteMethod(Method writeMethod)
throws IntrospectionException- Geek's Notes:
- Description Add your codes or notes Search More Java Examples
Java API By Example, From Geeks To Geeks.