/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.beans.metadata.plugins;
import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Collection;
import org.jboss.reflect.spi.ClassInfo;
import org.jboss.reflect.spi.TypeInfo;
import org.jboss.util.JBossStringBuilder;
/**
* Array metadata.
*
* @author <a href="adrian@jboss.com">Adrian Brock</a>
* @version $Revision: 1.11 $
*/
public class AbstractArrayMetaData extends AbstractListMetaData
{
/**
* Create a new array value
*/
public AbstractArrayMetaData()
{
}
public Object getValue(TypeInfo info, ClassLoader cl) throws Throwable
{
Collection result = (Collection) super.getValue(info, cl);
TypeInfo typeInfo = getClassInfo(cl);
if (typeInfo != null && typeInfo instanceof ClassInfo == false)
throw new IllegalArgumentException(typeInfo.getName() + " is not a class");
if (typeInfo == null)
{
// No type specified
if (info == null)
return null;
// Not a class
if (info instanceof ClassInfo == false)
return null;
// Not an interface
if (((ClassInfo) info).isInterface())
return null;
// Type is too general
if (Object.class.getName().equals(info.getName()))
return null;
// Try to use the passed type
typeInfo = info;
}
Object[] array = new Object[result.size()];
if (typeInfo != null)
{
Class clazz = typeInfo.getType();
if (clazz != null)
{
if (clazz.isArray() == false)
throw new ClassCastException(clazz + " is not an array.");
array = (Object[]) Array.newInstance(clazz.getComponentType(), result.size());
}
}
return result.toArray(array);
}
protected Object getCollectionInstance(TypeInfo info, ClassLoader cl, Class expected) throws Throwable
{
return new ArrayList();
}
public void toString(JBossStringBuilder buffer)
{
super.toString(buffer);
}
}