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package org.hisp.dhis.servlet.filter;
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* Copyright (c) 2004-2007, University of Oslo
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of the HISP project nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import java.io.IOException;
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import javax.servlet.Filter;
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import javax.servlet.FilterChain;
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import javax.servlet.FilterConfig;
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import javax.servlet.ServletException;
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import javax.servlet.ServletRequest;
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import javax.servlet.ServletResponse;
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import javax.servlet.http.HttpServletResponse;
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* @author Torgeir Lorange Ostby
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* @version $Id: HttpRedirectFilter.java 2869 2007-02-20 14:26:09Z andegje $
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public class HttpRedirectFilter
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public static final String REDIRECT_PATH_KEY = "redirectPath";
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private String redirectPath;
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// -------------------------------------------------------------------------
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// Filter implementation
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// -------------------------------------------------------------------------
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public void init( FilterConfig config )
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throws ServletException
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redirectPath = config.getInitParameter( REDIRECT_PATH_KEY );
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public void doFilter( ServletRequest request, ServletResponse response, FilterChain chain )
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throws IOException, ServletException
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HttpServletResponse httpResponse = (HttpServletResponse) response;
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if ( redirectPath == null )
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httpResponse.setContentType( "text/plain" );
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httpResponse.getWriter().print(
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"HttpRedirectFilter was not properly initialised. \"" + REDIRECT_PATH_KEY + "\" must be specified." );
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httpResponse.sendRedirect( redirectPath );