/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, 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.resource.deployment;
import java.beans.PropertyEditor;
import java.beans.PropertyEditorManager;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Collection;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
import javax.management.ObjectName;
import org.jboss.deployment.DeploymentException;
import org.jboss.logging.Logger;
import org.jboss.resource.metadata.AdminObjectMetaData;
import org.jboss.resource.metadata.ConfigPropertyMetaData;
/**
* An admin object factory
*
* @author <a href="adrian@jboss.com">Adrian Brock</a>
* @version $Revision: 57189 $
*/
public class AdminObjectFactory
{
/** The logger */
private static final Logger log = Logger.getLogger(AdminObjectFactory.class);
public static Object createAdminObject(String jndiName, ObjectName rarName, AdminObjectMetaData aomd, Properties properties) throws Exception
{
boolean trace = log.isTraceEnabled();
// Get the current classloader
ClassLoader cl = Thread.currentThread().getContextClassLoader();
if (trace)
log.trace("Creating AdminObject '" + jndiName + "' metadata=" + aomd + " rar=" + rarName + " properties=" + properties + " classloader=" + cl);
// The interface class
String interfaceName = aomd.getAdminObjectInterfaceClass();
// Load the interface class class
if (trace)
log.trace("AdminObject '" + jndiName + "' loading interface=" + interfaceName);
Class interfaceClass = cl.loadClass(interfaceName);
// Determine the implementation class
String implName = aomd.getAdminObjectImplementationClass();
if (implName == null)
throw new DeploymentException("No implementation class for admin object '" + interfaceClass + "' ra=" + rarName);
// Load the implementation class
if (trace)
log.trace("AdminObject '" + jndiName + "' loading implementation=" + implName);
Class implClass = cl.loadClass(implName);
if (interfaceClass.isAssignableFrom(implClass) == false)
throw new DeploymentException(implClass.getName() + " is not a '" + interfaceClass + "' ra=" + rarName);
Object result = implClass.newInstance();
if (trace)
log.trace("AdminObject '" + jndiName + "' created instance=" + result);
// Apply values from the ra.xml
Collection raProperties = aomd.getProperties();
if (raProperties != null && raProperties.size() != 0)
{
for (Iterator i = raProperties.iterator(); i.hasNext();)
{
ConfigPropertyMetaData cpmd = (ConfigPropertyMetaData) i.next();
String name = cpmd.getName();
String value = cpmd.getValue();
if (value != null && value.length() > 0)
{
if (properties.containsKey(name))
{
if (trace)
log.trace("AdminObject '" + jndiName + "' property=" + name + " IGNORING value=" + value +" specified in MBean properties.");
}
else
{
// Load the property class as defined in the meta data
String typeName = cpmd.getType();
if (trace)
log.trace("AdminObject '" + jndiName + "' property=" + name + " loading class=" + typeName);
Class type = cl.loadClass(typeName);
// Find the property editor for this class
PropertyEditor editor = PropertyEditorManager.findEditor(type);
if (editor == null)
throw new DeploymentException("No property editor found for property '" + name + " class='" + type + "' for admin object '" + interfaceClass + "' ra=" + rarName);
editor.setAsText(value);
Object object = editor.getValue();
try
{
String setter = "set" + Character.toUpperCase(name.charAt(0));
if (name.length() > 1)
setter = setter.concat(name.substring(1));
Method method = implClass.getMethod(setter, new Class[] { type });
if (trace)
log.trace("AdminObject '" + jndiName + "' property=" + name + " set=" + object);
method.invoke(result, new Object[] { object });
}
catch (InvocationTargetException e)
{
DeploymentException.rethrowAsDeploymentException("Error for property '" + name + "' class=" + implClass + "' for admin object '" + interfaceClass + "' ra=" + rarName, e.getTargetException());
}
catch (Throwable t)
{
DeploymentException.rethrowAsDeploymentException("Error for property '" + name + "' class=" + implClass + "' for admin object '" + interfaceClass + "' ra=" + rarName, t);
}
}
}
}
}
// Apply the properties
if (properties != null)
{
for (Iterator i = properties.entrySet().iterator(); i.hasNext();)
{
Map.Entry property = (Map.Entry) i.next();
String name = (String) property.getKey();
String value = (String) property.getValue();
if (trace)
log.trace("AdminObject '" + jndiName + "' property=" + name + " value=" + value);
// Pick up the property metadata
ConfigPropertyMetaData cpmd = aomd.getProperty(name);
if (cpmd == null)
throw new DeploymentException("No property '" + name + "' for admin object '" + interfaceClass + "' ra=" + rarName);
if (trace)
log.trace("AdminObject '" + jndiName + "' property=" + name + " metadata=" + cpmd);
// Load the property class as defined in the meta data
String typeName = cpmd.getType();
if (trace)
log.trace("AdminObject '" + jndiName + "' property=" + name + " loading class=" + typeName);
Class type = cl.loadClass(typeName);
// Find the property editor for this class
PropertyEditor editor = PropertyEditorManager.findEditor(type);
if (editor == null)
throw new DeploymentException("No property editor found for property '" + name + " class='" + type + "' for admin object '" + interfaceClass + "' ra=" + rarName);
editor.setAsText(value);
Object object = editor.getValue();
try
{
String setter = "set" + Character.toUpperCase(name.charAt(0));
if (name.length() > 1)
setter = setter.concat(name.substring(1));
Method method = implClass.getMethod(setter, new Class[] { type });
if (trace)
log.trace("AdminObject '" + jndiName + "' property=" + name + " set=" + object);
method.invoke(result, new Object[] { object });
}
catch (InvocationTargetException e)
{
DeploymentException.rethrowAsDeploymentException("Error for property '" + name + "' class=" + implClass + "' for admin object '" + interfaceClass + "' ra=" + rarName, e.getTargetException());
}
catch (Throwable t)
{
DeploymentException.rethrowAsDeploymentException("Error for property '" + name + "' class=" + implClass + "' for admin object '" + interfaceClass + "' ra=" + rarName, t);
}
}
}
return result;
}
}
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