/*
* 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 org.apache.webbeans.config.OWBLogConst;
import org.apache.webbeans.corespi.scanner.AbstractMetaDataDiscovery;
import org.apache.webbeans.corespi.scanner.xbean.CdiArchive;
import org.apache.webbeans.exception.WebBeansConfigurationException;
import org.apache.webbeans.logger.WebBeansLoggerFacade;
import org.apache.webbeans.util.WebBeansUtil;
import org.apache.xbean.finder.AnnotationFinder;
import javax.servlet.ServletContext;
import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Configures the web application to find beans.
*/
public class WebScannerService extends AbstractMetaDataDiscovery
{
private final static Logger logger = WebBeansLoggerFacade.getLogger(WebScannerService.class);
protected ServletContext servletContext = null;
public WebScannerService()
{
}
@Override
protected AnnotationFinder initFinder()
{
final Collection<URL> trimmedUrls = new ArrayList<URL>();
try
{
for (final String trimmed : getArchives())
{
try
{
String file = trimmed;
if (file.endsWith(META_INF_BEANS_XML))
{
file = file.substring(0, file.length() - META_INF_BEANS_XML.length());
}
trimmedUrls.add(new URL(file));
}
catch (MalformedURLException e)
{
throw new WebBeansConfigurationException("Can't trim url " + trimmed);
}
}
}
catch (Exception e)
{
throw new WebBeansConfigurationException(WebBeansLoggerFacade.getTokenString(OWBLogConst.ERROR_0002), e);
}
archive = new CdiArchive(WebBeansUtil.getCurrentClassLoader(), trimmedUrls);
finder = new AnnotationFinder(archive);
return finder;
}
@Override
public void init(Object context)
{
super.init(context);
this.servletContext = (ServletContext) context;
}
@Override
protected void configure()
{
}
/**
* @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>();
// 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("/") + 1) + META_INF_BEANS_XML;
//fix for weblogic
if (!fileDir.startsWith("file:/"))
{
fileDir = "file:/" + fileDir;
}
if (logger.isLoggable(Level.FINE))
{
logger.log(Level.FINE, "OpenWebBeans found the following url while doing web scanning: " + fileDir);
}
addPath = "jar:" + fileDir;
if (logger.isLoggable(Level.FINE))
{
logger.log(Level.FINE, "OpenWebBeans added the following jar based path while doing web scanning: " +
addPath);
}
}
else
{
if (!url.startsWith("file:/") && ! url.contains("://"))
{
addPath = "file:/" + url;
}
else
{
addPath = url;
}
if (logger.isLoggable(Level.FINE))
{
logger.log(Level.FINE, "OpenWebBeans added the following file based path while doing web scanning: " +
addPath);
}
}
listURL.add(addPath);
}
}
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 = null;
final String path = servletContext.getRealPath("/WEB-INF/classes");
if (path != null)
{
final File fp = new File(path);
if (fp.exists())
{
resourceUrl = fp.toURI().toURL();
}
}
if (resourceUrl == null)
{
return null;
}
return resourceUrl.toExternalForm();
}
return null;
}
}