/*
* JBoss, Home of Professional Open Source.
* Copyright 2007, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file 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.deployers.spi.attachments.helpers;
import java.util.Map;
import java.util.Map.Entry;
import org.jboss.deployers.spi.attachments.MutableAttachments;
/**
* AbstractMutableAttachments.
*
* @author <a href="adrian@jboss.org">Adrian Brock</a>
* @version $Revision: 1.1 $
*/
public abstract class AbstractMutableAttachments extends AbstractAttachments implements MutableAttachments
{
/** The serialVersionUID */
private static final long serialVersionUID = -1692116584854666016L;
public <T> T addAttachment(String name, T attachment, Class<T> expectedType)
{
if (expectedType == null)
throw new IllegalArgumentException("Null expectedType");
Object result = addAttachment(name, attachment);
if (result == null)
return null;
if (expectedType.isInstance(result) == false)
throw new IllegalArgumentException("Previous attachment not of the same type: expected=" + expectedType + ", previous=" + result);
return expectedType.cast(result);
}
public void setAttachments(Map<String, Object> map)
{
if (map == null)
throw new IllegalArgumentException("Null map");
clear();
for (Entry<String, Object> entry : map.entrySet())
addAttachment(entry.getKey(), entry.getValue());
}
public <T> T addAttachment(Class<T> type, T attachment)
{
if (type == null)
throw new IllegalArgumentException("Null type");
return addAttachment(type.getName(), attachment, type);
}
public <T> T removeAttachment(String name, Class<T> expectedType)
{
if (expectedType == null)
throw new IllegalArgumentException("Null expectedType");
Object result = removeAttachment(name);
if (result == null)
return null;
if (expectedType.isInstance(result) == false)
throw new IllegalArgumentException("Removed attachment not of the same type: expected=" + expectedType + ", removed=" + result);
return expectedType.cast(result);
}
public <T> T removeAttachment(Class<T> type)
{
if (type == null)
throw new IllegalArgumentException("Null type");
return removeAttachment(type.getName(), type);
}
}