/*
* JBoss, Home of Professional Open Source
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* 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.ejb3.client;
import java.lang.reflect.Method;
import java.net.URL;
import java.security.CodeSource;
import java.security.ProtectionDomain;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import org.jboss.ejb3.BeanContext;
import org.jboss.injection.AbstractPropertyInjector;
import org.jboss.injection.PojoInjector;
import org.jboss.injection.lang.reflect.BeanProperty;
import org.jboss.logging.Logger;
/**
* Injects a jndi dependency into a bean property.
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
* @author <a href="mailto:carlo.dewolf@jboss.com">Carlo de Wolf</a>
* @author Scott.Stark@jboss.org
* @version $Revision: 82920 $
*/
public class JndiPropertyInjector extends AbstractPropertyInjector
implements PojoInjector
{
private static final Logger log = Logger.getLogger(JndiPropertyInjector.class);
private String jndiName;
private Context ctx;
public JndiPropertyInjector(BeanProperty property, String jndiName,
Context ctx)
{
super(property);
this.jndiName = jndiName;
this.ctx = ctx;
}
public void inject(BeanContext bctx)
{
}
public Class<?> getInjectionClass()
{
return property.getType();
}
public void inject(BeanContext bctx, Object instance)
{
}
public void inject(Object instance)
{
Object value = lookup(jndiName);
log.trace("injecting " + value + " from " + jndiName + " into " + property + " of " + instance);
try
{
property.set(instance, value);
}
catch(IllegalArgumentException e)
{
Class c1 = value.getClass();
StringBuffer buffer = new StringBuffer("Jndi value '"+jndiName+"' class info:");
displayClassInfo(c1, buffer);
log.debug("Failed to inject jndi property, "+buffer);
Class c2 = property.getType();
buffer.setLength(0);
buffer.append("Field "+property.getName()+" class info:");
displayClassInfo(c2, buffer);
log.debug(", "+buffer);
throw e;
}
}
protected Object lookup(String jndiName)
{
Object dependency = null;
boolean trace = log.isTraceEnabled();
try
{
if(trace)
log.trace("Looking for enc entry: "+jndiName);
dependency = ctx.lookup(jndiName);
if(trace)
log.trace("Success: "+dependency);
}
catch (NamingException e)
{
// Try as a global jndi name
if(trace)
log.trace("Failed enc lookup: "+e.getExplanation());
try
{
if(trace)
log.trace("Failed trying as global entry: "+jndiName);
InitialContext ictx = new InitialContext(ctx.getEnvironment());
dependency = ictx.lookup(jndiName);
if(trace)
log.trace("Success: "+dependency);
}
catch(NamingException e2)
{
if(trace)
log.trace("Failed global lookup: "+e2.getExplanation());
}
if(dependency == null)
{
Throwable cause = e;
while(cause.getCause() != null)
cause = cause.getCause();
throw new RuntimeException("Unable to inject jndi dependency: " + jndiName + " into property " + property + ": " + cause.getMessage(), e);
}
}
return dependency;
}
static void displayClassInfo(Class clazz, StringBuffer results)
{
// Print out some codebase info for the ProbeHome
ClassLoader cl = clazz.getClassLoader();
results.append("\n"+clazz.getName()+".ClassLoader="+cl);
CodeSource clazzCS = clazz.getProtectionDomain().getCodeSource();
if( clazzCS != null )
results.append("\n++++CodeSource: "+clazzCS);
else
results.append("\n++++Null CodeSource");
results.append("\nImplemented Interfaces:");
Class[] ifaces = clazz.getInterfaces();
for(int i = 0; i < ifaces.length; i ++)
{
results.append("\n++"+ifaces[i]);
ClassLoader loader = ifaces[i].getClassLoader();
results.append("\n++++ClassLoader: "+loader);
ProtectionDomain pd = ifaces[i].getProtectionDomain();
CodeSource cs = pd.getCodeSource();
if( cs != null )
results.append("\n++++CodeSource: "+cs);
else
results.append("\n++++Null CodeSource");
}
}
}