/*
* Copyright (C) 2009 eXo Platform SAS.
*
* 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.
*/
/**
* Jul 8, 2004, 3:47:17 PM
* @author: F. MORON
* @email: francois.moron@laposte.net
*
* */
package org.exoplatform.container.client.http;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.Map;
import java.util.regex.PatternSyntaxException;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpression;
import javax.xml.xpath.XPathFactory;
public class ClientTypeMap
{
final static public String XHTML_MIME_TYPE = "text/xhtml";
final static public String XHTMLMP_MIME_TYPE = "application/vnd.wap.xhtml+xml";
/**
* The logger
*/
private static final Log LOG = ExoLogger.getLogger("org.exoplatform.container.client.http.ClientTypeMap");
private ArrayList<HttpClientType> clientList_;
private static ClientTypeMap singleton_;
private void loadClientsInfos()
{
try
{
// System.setProperty("javax.xml.xpath.XPathFactory",
// "com.sun.org.apache.xpath.internal.jaxp.XPathFactoryImpl") ;
// XPathFactory xpfactory = XPathFactory.newInstance() ;
XPath xpath = XPathFactory.newInstance().newXPath();
XPathExpression clientTypeExp = xpath.compile("/clients-type/client-type");
XPathExpression nameExp = xpath.compile("name/text()");
XPathExpression userAgentPatternExp = xpath.compile("userAgentPattern/text()");
XPathExpression preferredMimeTypeExp = xpath.compile("preferredMimeType/text()");
XPathExpression rendererExp = xpath.compile("renderer/text()");
ClassLoader cl = Thread.currentThread().getContextClassLoader();
java.net.URL url = cl.getResource("conf/portal/clients-type.xml");
// S ystem.setProperty("javax.xml.parsers.DocumentBuilderFactory",
// "com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl") ;
// S ystem.out.println("==================> " +
// System.getProperty("javax.xml.parsers.DocumentBuilderFactory")) ;
// S ystem.out.println("==================>" +
// DocumentBuilderFactory.newInstance());
Iterator itr = System.getProperties().entrySet().iterator();
while (itr.hasNext())
{
Map.Entry entry = (Map.Entry)itr.next();
String key = (String)entry.getKey();
if (key.startsWith("javax"))
{
// System .out.println(key + " = " + entry.getValue());
}
}
DocumentBuilderFactory finstance = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = finstance.newDocumentBuilder();
Document document = builder.parse(url.openStream());
NodeList nodes = (NodeList)clientTypeExp.evaluate(document, XPathConstants.NODESET);
for (int i = 0; i < nodes.getLength(); i++)
{
Node node = nodes.item(i);
String name = (String)nameExp.evaluate(node, XPathConstants.STRING);
String userAgentPattern = (String)userAgentPatternExp.evaluate(node, XPathConstants.STRING);
String preferredMimeType = (String)preferredMimeTypeExp.evaluate(node, XPathConstants.STRING);
String renderer = (String)rendererExp.evaluate(node, XPathConstants.STRING);
HttpClientType clientInfo;
if (renderer != null && renderer.length() > 0)
{
clientInfo = new HttpClientType(name, userAgentPattern, preferredMimeType, renderer);
}
else
{
clientInfo = new HttpClientType(name, userAgentPattern, preferredMimeType);
}
addClientInfo(clientInfo);
}
}
catch (Exception ex)
{
LOG.error(ex.getLocalizedMessage(), ex);
}
}
public ClientTypeMap()
{
clientList_ = new ArrayList<HttpClientType>();
loadClientsInfos();
}
protected void addClientInfo(HttpClientType clientInfo)
{
clientList_.add(clientInfo);
}
/*
* @return ClientInfo according to userAgent parameter and first ClientInfo
* (ie5) if not found or if userAgent is null
*/
public HttpClientType findClient(String userAgent)
{
if (userAgent == null)
return clientList_.get(0);
if (userAgent.equals(""))
return clientList_.get(0);
HttpClientType client;
for (int i = 0; i < clientList_.size(); i++)
{
client = clientList_.get(i);
String userAgentPattern = client.getUserAgentPattern();
if (userAgentPattern != null)
{
try
{
if (userAgent.matches(userAgentPattern))
return client;
}
catch (PatternSyntaxException e)
{
LOG.error(e.getLocalizedMessage(), e);
return clientList_.get(0);
}
}
}
return clientList_.get(0);
}
public static ClientTypeMap getInstance()
{
if (singleton_ == null)
{
synchronized (ClientTypeMap.class)
{
singleton_ = new ClientTypeMap();
}
}
return singleton_;
}
}