/*
* JBoss, Home of Professional Open Source
* Copyright 2007, 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.metadata.annotation.creator.web;
import java.lang.annotation.Annotation;
import java.lang.reflect.AnnotatedElement;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import javax.servlet.annotation.WebInitParam;
import javax.servlet.annotation.WebServlet;
import org.jboss.metadata.annotation.creator.AbstractFinderUser;
import org.jboss.metadata.annotation.creator.Creator;
import org.jboss.metadata.annotation.creator.Processor;
import org.jboss.metadata.annotation.creator.ProcessorUtils;
import org.jboss.metadata.annotation.finder.AnnotationFinder;
import org.jboss.metadata.javaee.spec.DescriptionGroupMetaData;
import org.jboss.metadata.javaee.spec.ParamValueMetaData;
import org.jboss.metadata.web.spec.ServletMappingMetaData;
import org.jboss.metadata.web.spec.ServletMetaData;
import org.jboss.metadata.web.spec.ServletsMetaData;
import org.jboss.metadata.web.spec.WebMetaData;
/**
* Processor for servlet @WebServlet
* @author Remy Maucherat
* @version $Revision: 67218 $
*/
public class WebServletProcessor extends AbstractFinderUser
implements Creator<Class<?>, WebMetaData>, Processor<WebMetaData, Class<?>>
{
/**
* @param finder
*/
public WebServletProcessor(AnnotationFinder<AnnotatedElement> finder)
{
super(finder);
}
public WebMetaData create(Class<?> element)
{
WebServlet webServlet = finder.getAnnotation(element, WebServlet.class);
if (webServlet == null)
return null;
WebMetaData metaData = new WebMetaData();
ServletsMetaData servlets = new ServletsMetaData();
ServletMetaData servlet = new ServletMetaData();
servlet.setServletClass(element.getName());
String servletName = null;
if (webServlet.name().length() == 0)
servletName = element.getName();
else
servletName = webServlet.name();
servlet.setServletName(servletName);
if (webServlet.loadOnStartup() >= 0)
servlet.setLoadOnStartupInt(webServlet.loadOnStartup());
servlet.setAsyncSupported(webServlet.asyncSupported());
if (webServlet.initParams() != null)
{
List<ParamValueMetaData> initParams = new ArrayList<ParamValueMetaData>();
for (WebInitParam webInitParam : webServlet.initParams())
{
ParamValueMetaData paramValue = new ParamValueMetaData();
paramValue.setParamName(webInitParam.name());
paramValue.setParamValue(webInitParam.value());
initParams.add(paramValue);
}
servlet.setInitParam(initParams);
}
DescriptionGroupMetaData descriptionGroup =
ProcessorUtils.getDescriptionGroup(webServlet.description(), webServlet.displayName(),
webServlet.smallIcon(), webServlet.largeIcon());
if (descriptionGroup != null)
servlet.setDescriptionGroup(descriptionGroup);
servlets.add(servlet);
metaData.setServlets(servlets);
if (webServlet.urlPatterns() != null || webServlet.value() != null)
{
List<ServletMappingMetaData> servletMappings = new ArrayList<ServletMappingMetaData>();
ServletMappingMetaData servletMapping = new ServletMappingMetaData();
servletMapping.setServletName(servletName);
List<String> urlPatterns = new ArrayList<String>();
if (webServlet.urlPatterns() != null)
{
for (String urlPattern : webServlet.urlPatterns())
{
urlPatterns.add(urlPattern);
}
}
if (webServlet.value() != null)
{
for (String urlPattern : webServlet.value())
{
urlPatterns.add(urlPattern);
}
}
servletMapping.setUrlPatterns(urlPatterns);
servletMappings.add(servletMapping);
metaData.setServletMappings(servletMappings);
}
return metaData;
}
public void process(WebMetaData metaData, Class<?> type)
{
WebServlet annotation = finder.getAnnotation(type, WebServlet.class);
if(annotation == null)
return;
WebMetaData servletMetaData = create(type);
if (metaData.getServlets() == null)
{
metaData.setServlets(servletMetaData.getServlets());
}
else
{
metaData.getServlets().addAll(servletMetaData.getServlets());
}
if (metaData.getServletMappings() == null)
{
metaData.setServletMappings(servletMetaData.getServletMappings());
}
else if (servletMetaData.getServletMappings() != null)
{
metaData.getServletMappings().addAll(servletMetaData.getServletMappings());
}
}
public Collection<Class<? extends Annotation>> getAnnotationTypes()
{
return ProcessorUtils.createAnnotationSet(WebServlet.class);
}
}