package org.hisp.dhis.webapi.view;

import org.apache.commons.lang3.StringUtils;
import org.springframework.http.MediaType;
import org.springframework.web.accept.PathExtensionContentNegotiationStrategy;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.util.UriUtils;
import org.springframework.web.util.UrlPathHelper;

import javax.servlet.http.HttpServletRequest;
import java.util.Locale;
import java.util.Map;

/*
 * Copyright (c) 2004-2017, University of Oslo
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * Neither the name of the HISP project nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * Custom PathExtensionContentNegotiationStrategy that handles multiple dots in filename.
 * Based on:
 * org.springframework.web.accept.PathExtensionContentNegotiationStrategy
 * org.springframework.util.StringUtils
 *
 * @author Morten Olav Hansen <mortenoh@gmail.com>
 */
public class CustomPathExtensionContentNegotiationStrategy extends PathExtensionContentNegotiationStrategy
{
    private static final UrlPathHelper URL_PATH_HELPER = new UrlPathHelper();

    static
    {
        URL_PATH_HELPER.setUrlDecode( false );
    }

    public CustomPathExtensionContentNegotiationStrategy( Map<String, MediaType> mediaTypes )
    {
        super( mediaTypes );
    }

    @Override
    protected String getMediaTypeKey( NativeWebRequest webRequest )
    {
        HttpServletRequest servletRequest = webRequest.getNativeRequest( HttpServletRequest.class );

        if ( servletRequest == null )
        {
            return null;
        }

        String path = URL_PATH_HELPER.getLookupPathForRequest( servletRequest );
        String extension = UriUtils.extractFileExtension( path );

        return !StringUtils.isBlank( extension ) ? extension.toLowerCase( Locale.ENGLISH ) : null;
    }
}

@@ -299,22 +299,27 @@
 .util.Ur
-iUtils
+lPathHelper
 ;%0Aimport
@@ -348,29 +348,24 @@
 eb.util.
-UrlPathHelper
+WebUtils
 ;%0A%0Aimpor
@@ -3059,39 +3059,105 @@
 ing 
-extension = UriUtils.extractFil
+filename = WebUtils.extractFullFilenameFromUrlPath( path );%0A        String extension = getFilenam
 eExt
@@ -3164,20 +3164,24 @@
 ension( 
-path
+filename
  );%0A%0A   
@@ -3282,10 +3282,601 @@
 ;%0A    %7D%0A
-%7D
 %0A
+    private static final char EXTENSION_SEPARATOR = '.';%0A%0A    private static final String FOLDER_SEPARATOR = %22/%22;%0A%0A    private static String getFilenameExtension( String path )%0A    %7B%0A        if ( path == null )%0A        %7B%0A            return null;%0A        %7D%0A        int extIndex = path.indexOf( EXTENSION_SEPARATOR );%0A%0A        if ( extIndex == -1 )%0A        %7B%0A            return null;%0A        %7D%0A%0A        int folderIndex = path.indexOf( FOLDER_SEPARATOR );%0A%0A        if ( folderIndex %3E extIndex )%0A        %7B%0A            return null;%0A        %7D%0A%0A        return path.substring( extIndex + 1 );%0A    %7D%0A%7D

revert CustomPathExtensionContentNegotiationStrategy to use WebUtils.extractFullFilenameFromUrlPath for now