/*
* JBoss, Home of Professional Open Source.
* Copyright 2017, Red Hat, Inc., 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.wildfly.extension.undertow.deployment;
import io.undertow.server.HandlerWrapper;
import io.undertow.server.HttpHandler;
import org.jboss.common.beans.property.BeanUtils;
import org.wildfly.extension.undertow.logging.UndertowLogger;
import org.wildfly.security.manager.WildFlySecurityManager;
import java.lang.reflect.Constructor;
import java.util.Map;
import java.util.Properties;
/**
* Handler wrapper that create a new instance of the specified {@link HandlerWrapper} or
* {@link HttpHandler} class, and configures it via the specified properties.
*
* @author Stuart Douglas
*/
public class ConfiguredHandlerWrapper implements HandlerWrapper {
private final Class<?> handlerClass;
private final Map<String, String> properties;
public ConfiguredHandlerWrapper(Class<?> handlerClass, Map<String, String> properties) {
this.handlerClass = handlerClass;
this.properties = properties;
}
@Override
public HttpHandler wrap(HttpHandler handler) {
try {
Object instance;
if (HttpHandler.class.isAssignableFrom(handlerClass)) {
Constructor<?> ctor = handlerClass.getConstructor(HttpHandler.class);
instance = ctor.newInstance(handler);
} else if (HandlerWrapper.class.isAssignableFrom(handlerClass)) {
instance = handlerClass.newInstance();
} else {
throw UndertowLogger.ROOT_LOGGER.handlerWasNotAHandlerOrWrapper(handlerClass);
}
Properties p = new Properties();
p.putAll(properties);
ClassLoader oldCl = WildFlySecurityManager.getCurrentContextClassLoaderPrivileged();
try {
WildFlySecurityManager.setCurrentContextClassLoaderPrivileged(BeanUtils.class);
BeanUtils.mapJavaBeanProperties(instance, p);
} finally {
WildFlySecurityManager.setCurrentContextClassLoaderPrivileged(oldCl);
}
if (HttpHandler.class.isAssignableFrom(handlerClass)) {
return (HttpHandler) instance;
} else {
return ((HandlerWrapper) instance).wrap(handler);
}
} catch (Exception e) {
throw UndertowLogger.ROOT_LOGGER.failedToConfigureHandler(handlerClass, e);
}
}
}