/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.webbeans.web.scanner;
import java.net.URL;
import java.util.HashSet;
import java.util.Set;
import javax.servlet.ServletContext;
import org.apache.webbeans.config.OWBLogConst;
import org.apache.webbeans.corespi.scanner.AbstractMetaDataDiscovery;
import org.apache.webbeans.corespi.scanner.AnnotationDB;
import org.apache.webbeans.corespi.se.BeansXmlAnnotationDB;
import org.apache.webbeans.exception.WebBeansConfigurationException;
import org.apache.webbeans.logger.WebBeansLogger;
import org.apache.webbeans.util.WebBeansUtil;
import org.scannotation.WarUrlFinder;
/**
* Configures the web application to find beans.
*/
public class WebScannerService extends AbstractMetaDataDiscovery
{
private final WebBeansLogger logger = WebBeansLogger.getLogger(WebScannerService.class);
private boolean configure = false;
protected ServletContext servletContext = null;
public WebScannerService()
{
}
public void init(Object context)
{
super.init(context);
this.servletContext = (ServletContext) context;
}
protected void configure()
{
try
{
if (!configure)
{
Set<String> arcs = getArchives();
String[] urls = new String[arcs.size()];
urls = arcs.toArray(urls);
getAnnotationDB().scanArchives(urls);
configure = true;
}
}
catch (Exception e)
{
throw new WebBeansConfigurationException(logger.getTokenString(OWBLogConst.ERROR_0002), e);
}
}
/**
* @return all beans.xml paths
*/
private Set<String> getArchives() throws Exception
{
Set<String> lists = createURLFromMarkerFile();
String warUrlPath = createURLFromWARFile();
if (warUrlPath != null)
{
lists.add(warUrlPath);
}
return lists;
}
/* Creates URLs from the marker file */
protected Set<String> createURLFromMarkerFile() throws Exception
{
Set<String> listURL = new HashSet<String>();
ClassLoader parentClassLoader = WebBeansUtil.getCurrentClassLoader().getParent();
// Root with beans.xml marker.
String[] urls = findBeansXmlBases(META_INF_BEANS_XML, WebBeansUtil.getCurrentClassLoader());
if (urls != null)
{
String addPath;
for (String url : urls)
{
String fileDir = new URL(url).getFile();
if (fileDir.endsWith(".jar!/"))
{
fileDir = fileDir.substring(0, fileDir.lastIndexOf("/")) + "/" + META_INF_BEANS_XML;
//fix for weblogic
if (!fileDir.startsWith("file:/"))
{
fileDir = "file:/" + fileDir;
}
if (logger.wblWillLogDebug())
{
logger.debug("OpenWebBeans found the following url while doing web scanning: " + fileDir);
}
addPath = "jar:" + fileDir;
if (logger.wblWillLogDebug())
{
logger.debug("OpenWebBeans added the following jar based path while doing web scanning: " +
addPath);
}
}
else
{
//X TODO check!
addPath = "file:" + url + "META-INF/beans.xml";
if (logger.wblWillLogDebug())
{
logger.debug("OpenWebBeans added the following file based path while doing web scanning: " +
addPath);
}
}
listURL.add(url);
}
}
return listURL;
}
/**
* Returns the web application class path if it contains
* a beans.xml marker file.
*
* @return the web application class path
* @throws Exception if any exception occurs
*/
protected String createURLFromWARFile() throws Exception
{
if (servletContext == null)
{
// this may happen if we are running in a test container, in IDE development, etc
return null;
}
URL url = servletContext.getResource("/WEB-INF/beans.xml");
if (url != null)
{
addWebBeansXmlLocation(url);
URL resourceUrl = WarUrlFinder.findWebInfClassesPath(this.servletContext);
if (resourceUrl == null)
{
return null;
}
//set resource to beans.xml mapping
AnnotationDB annotationDB = getAnnotationDB();
if(annotationDB instanceof BeansXmlAnnotationDB)
{
((BeansXmlAnnotationDB)annotationDB).setResourceBeansXml(resourceUrl.toExternalForm(), url.toExternalForm());
}
return resourceUrl.toExternalForm();
}
return null;
}
}