com.atomikos.beans.IndexedPropertyImp Maven / Gradle / Ivy
/**
* Copyright (C) 2000-2010 Atomikos
*
* This code ("Atomikos TransactionsEssentials"), by itself,
* is being distributed under the
* Apache License, Version 2.0 ("License"), a copy of which may be found at
* http://www.atomikos.com/licenses/apache-license-2.0.txt .
* You may not use this file except in compliance with the License.
*
* While the License grants certain patent license rights,
* those patent license rights only extend to the use of
* Atomikos TransactionsEssentials by itself.
*
* This code (Atomikos TransactionsEssentials) contains certain interfaces
* in package (namespace) com.atomikos.icatch
* (including com.atomikos.icatch.Participant) which, if implemented, may
* infringe one or more patents held by Atomikos.
* It should be appreciated that you may NOT implement such interfaces;
* licensing to implement these interfaces must be obtained separately from Atomikos.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*/
package com.atomikos.beans;
import java.beans.IndexedPropertyDescriptor;
import java.lang.reflect.Method;
/**
*
*
*An implementation of indexed property.
*/
class IndexedPropertyImp
extends PropertyImp
implements IndexedProperty
{
private IndexedPropertyDescriptor descriptor_;
/**
*Creates a new instance for a given editor
*to delegate to.
*@param property The property.
*@param editor The delegate, or null if none.
*/
IndexedPropertyImp ( Object bean , IndexedPropertyDescriptor descriptor )
throws PropertyException
{
super ( bean , descriptor );
descriptor_ = descriptor;
}
/**
*@see IndexedProperty
*/
public Object getValue ( int i )
throws PropertyException
{
Object ret = null;
try {
Method m = descriptor_.getIndexedReadMethod();
Integer index = new Integer ( i );
Object[] args = new Object[1];
args[0] = index;
ret = m.invoke ( getBean() , args );
}
catch ( Exception e ) {
throw new PropertyException ( "Error getting property" , e );
}
return ret;
}
/**
*@see IndexedProperty
*/
public boolean isIndexReadOnly()
{
return descriptor_.getIndexedWriteMethod() == null;
}
/**
*@see IndexedProperty
*/
public void setValue ( int i , Object arg )
throws ReadOnlyException, PropertyException
{
if ( isIndexReadOnly() ) {
throw new ReadOnlyException ( "Property is readonly" );
}
try {
Object[] args = new Object[2];
args[0] = new Integer ( i );
args[1] = arg;
Method method = descriptor_.getIndexedWriteMethod();
method.invoke ( getBean() , args );
}
catch ( Exception e ) {
throw new PropertyException ( "Error in setting value" , e );
}
}
/**
*@see IndexedProperty
*/
public Class getIndexedType()
{
return descriptor_.getIndexedPropertyType();
}
/**
*@see Property
*/
public IndexedProperty getIndexedProperty()
{
return this;
}
// /**
// *@see IndexedProperty
// */
//
// public IndexedEditor getIndexedEditor()
// {
// PropertyEditor pedit =
// PropertyEditorManager.findEditor ( descriptor_.getPropertyType() );
// return new IndexedEditorImp ( this , pedit );
// }
}