/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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.
*
* Copyright (c) 2002-2016 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.platform.web.servlet;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.pentaho.platform.util.xml.XMLParserFactoryProducer;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import java.io.IOException;
/**
* @deprecated
* @author Alex Silva
*
*/
@Deprecated
public class ContextDiscoveryServlet extends HttpServlet {
private static final long serialVersionUID = -8747147437664663719L;
private static final Log logger = LogFactory.getLog( ContextDiscoveryServlet.class );
private final DocumentBuilderFactory factory;
private final TransformerFactory tf = TransformerFactory.newInstance();
public ContextDiscoveryServlet() {
DocumentBuilderFactory documentBuilderFactory;
try {
documentBuilderFactory = XMLParserFactoryProducer.createSecureDocBuilderFactory();
} catch ( ParserConfigurationException e ) {
logger.error( e.getLocalizedMessage() );
documentBuilderFactory = DocumentBuilderFactory.newInstance();
}
factory = documentBuilderFactory;
}
@Override
public void doGet( final HttpServletRequest request, final HttpServletResponse response ) throws ServletException {
String path = request.getContextPath();
try {
DocumentBuilder builder = factory.newDocumentBuilder();
Document document = builder.newDocument();
Element epath = document.createElement( "application-context-root" ); //$NON-NLS-1$
epath.setTextContent( path );
document.appendChild( epath );
Transformer trans = tf.newTransformer();
trans.transform( new DOMSource( document ), new StreamResult( response.getOutputStream() ) );
} catch ( ParserConfigurationException e ) {
throw new ServletException( e );
} catch ( TransformerConfigurationException e ) {
throw new ServletException( e );
} catch ( TransformerException e ) {
throw new ServletException( e );
} catch ( IOException e ) {
throw new ServletException( e );
}
}
}