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//
// ========================================================================
// Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.rewrite.handler;
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.eclipse.jetty.util.ArrayUtil;
/**
* Groups rules that apply only to a specific virtual host
* or sets of virtual hosts
*
*
*/
public class VirtualHostRuleContainer extends RuleContainer
{
private String[] _virtualHosts;
/* ------------------------------------------------------------ */
/** Set the virtual hosts that the rules within this container will apply to
* @param virtualHosts Array of virtual hosts that the rules within this container are applied to.
* A null hostname or null/empty array means any hostname is acceptable.
*/
public void setVirtualHosts( String[] virtualHosts )
{
if ( virtualHosts == null )
{
_virtualHosts = virtualHosts;
}
else
{
_virtualHosts = new String[virtualHosts.length];
for ( int i = 0; i < virtualHosts.length; i++ )
_virtualHosts[i] = normalizeHostname( virtualHosts[i]);
}
}
/* ------------------------------------------------------------ */
/** Get the virtual hosts that the rules within this container will apply to
* @return Array of virtual hosts that the rules within this container are applied to.
* A null hostname or null/empty array means any hostname is acceptable.
*/
public String[] getVirtualHosts()
{
return _virtualHosts;
}
/* ------------------------------------------------------------ */
/**
* @param virtualHost add a virtual host to the existing list of virtual hosts
* A null hostname means any hostname is acceptable
*/
public void addVirtualHost(String virtualHost)
{
_virtualHosts = ArrayUtil.addToArray(_virtualHosts,virtualHost,String.class);
}
/**
* Process the contained rules if the request is applicable to the virtual hosts of this rule
* @param target target field to pass on to the contained rules
* @param request request object to pass on to the contained rules
* @param response response object to pass on to the contained rules
*/
@Override
public String matchAndApply(String target, HttpServletRequest request, HttpServletResponse response) throws IOException
{
if(_virtualHosts != null && _virtualHosts.length > 0 )
{
String requestHost = normalizeHostname( request.getServerName() );
for( String ruleHost : _virtualHosts )
{
if(ruleHost == null || ruleHost.equalsIgnoreCase(requestHost)
|| (ruleHost.startsWith("*.") && ruleHost.regionMatches(true,2,requestHost,requestHost.indexOf(".")+1,ruleHost.length()-2)))
return apply(target, request, response);
}
}
else
{
return apply(target, request, response);
}
return null;
}
/* ------------------------------------------------------------ */
private String normalizeHostname( String host )
{
if ( host == null )
return null;
if ( host.endsWith( "." ) )
return host.substring( 0, host.length() -1);
return host;
}
}
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