001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.4_testing/src/org/deegree/framework/util/MimeTypeMapper.java $
002 /*----------------------------------------------------------------------------
003 This file is part of deegree, http://deegree.org/
004 Copyright (C) 2001-2009 by:
005 Department of Geography, University of Bonn
006 and
007 lat/lon GmbH
008
009 This library is free software; you can redistribute it and/or modify it under
010 the terms of the GNU Lesser General Public License as published by the Free
011 Software Foundation; either version 2.1 of the License, or (at your option)
012 any later version.
013 This library is distributed in the hope that it will be useful, but WITHOUT
014 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
015 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
016 details.
017 You should have received a copy of the GNU Lesser General Public License
018 along with this library; if not, write to the Free Software Foundation, Inc.,
019 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
020
021 Contact information:
022
023 lat/lon GmbH
024 Aennchenstr. 19, 53177 Bonn
025 Germany
026 http://lat-lon.de/
027
028 Department of Geography, University of Bonn
029 Prof. Dr. Klaus Greve
030 Postfach 1147, 53001 Bonn
031 Germany
032 http://www.geographie.uni-bonn.de/deegree/
033
034 e-mail: info@deegree.org
035 ----------------------------------------------------------------------------*/
036 package org.deegree.framework.util;
037
038 /**
039 * Helper class to check for supported mime types.
040 *
041 * @author <a href="mailto:schaefer@lat-lon.de">Axel Schaefer</a>
042 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
043 * @author last edited by: $Author: mschneider $
044 *
045 * @version $Revision: 18195 $
046 */
047 public class MimeTypeMapper {
048
049 /**
050 * Returns true if the submitted content type is defined by the OGC.
051 *
052 * @param contentType
053 * mime type to check
054 * @return true if the contentType starts with "application/vnd.ogc", false otherwise
055 */
056 public static boolean isOGCType( String contentType ) {
057 return contentType.startsWith( "application/vnd.ogc" );
058 }
059
060 /**
061 * Returns true if the submitted content type is an image type.
062 *
063 * @param contentType
064 * mime type to check
065 * @return true if the contenttype starts with 'image', false otherwise
066 */
067 public static boolean isImageType( String contentType ) {
068 return contentType.startsWith( "image" );
069 }
070
071 /**
072 * Returns true if the submitted image content type is known by deegree.
073 *
074 * @param contentType
075 * mime type to check
076 * @return true if the content type denotes an image mime-type known by deegree, false otherwise
077 */
078 public static boolean isKnownImageType( String contentType ) {
079 return contentType.equalsIgnoreCase( "image/jpeg" ) || contentType.equalsIgnoreCase( "image/jpg" )
080 || contentType.equalsIgnoreCase( "image/gif" ) || contentType.equalsIgnoreCase( "image/tif" )
081 || contentType.equalsIgnoreCase( "image/tiff" ) || contentType.equalsIgnoreCase( "image/bmp" )
082 || contentType.equalsIgnoreCase( "image/svg+xml" ) || contentType.equalsIgnoreCase( "image/png" )
083 || contentType.equalsIgnoreCase( "image/png; mode=8bit" )
084 || contentType.equalsIgnoreCase( "image/png; mode=24bit" );
085 }
086
087 /**
088 * Returns true if the submitted content type is known by the deegree OWS implementations.
089 *
090 * @param contentType
091 * mime type to check
092 * @return true if the mime type is known by deegree, false otherwise
093 */
094 public static boolean isKnownMimeType( String contentType ) {
095 int paramIndex = contentType.indexOf( ";" );
096 if ( paramIndex != -1 ) {
097 contentType = contentType.substring( 0, paramIndex );
098 }
099 return contentType.equalsIgnoreCase( "image/jpeg" ) || contentType.equalsIgnoreCase( "image/jpg" )
100 || contentType.equalsIgnoreCase( "image/gif" ) || contentType.equalsIgnoreCase( "image/tif" )
101 || contentType.equalsIgnoreCase( "image/tiff" ) || contentType.equalsIgnoreCase( "image/png" )
102 || contentType.equalsIgnoreCase( "text/html" ) || contentType.equalsIgnoreCase( "text/text" )
103 || contentType.equalsIgnoreCase( "text/plain" ) || contentType.equalsIgnoreCase( "text/xml" )
104 || contentType.equalsIgnoreCase( "image/bmp" ) || contentType.equalsIgnoreCase( "application/xml" )
105 || contentType.equalsIgnoreCase( "application/vnd.ogc.se_xml" )
106 || contentType.equalsIgnoreCase( "application/vnd.ogc.se_inimage" )
107 || contentType.equalsIgnoreCase( "application/vnd.ogc.se_blank" )
108 || contentType.equalsIgnoreCase( "application/vnd.ogc.wms_xml" )
109 || contentType.equalsIgnoreCase( "application/vnd.ogc.gml" )
110 || contentType.equalsIgnoreCase( "application/vnd.gdinrw.session_xml" )
111 || contentType.equalsIgnoreCase( "application/vnd.gdinrw.secure_xml" )
112 || contentType.equalsIgnoreCase( "image/svg+xml" );
113 }
114
115 /**
116 *
117 * @param contentType
118 *
119 * @return true if the submitted content type is a mime type defined by a OGC specification
120 */
121 public static boolean isKnownOGCType( String contentType ) {
122 return contentType.equalsIgnoreCase( "application/xml" )
123 || contentType.equalsIgnoreCase( "application/vnd.ogc.se_xml" )
124 || contentType.equalsIgnoreCase( "application/vnd.ogc.se_inimage" )
125 || contentType.equalsIgnoreCase( "application/vnd.ogc.se_blank" )
126 || contentType.equalsIgnoreCase( "application/vnd.ogc.wms_xml" )
127 || contentType.equalsIgnoreCase( "application/vnd.gdinrw.session_xml" )
128 || contentType.equalsIgnoreCase( "application/vnd.gdinrw.secure_xml" )
129 || contentType.equalsIgnoreCase( "application/vnd.ogc.gml" );
130 }
131
132 /**
133 * maps a 'simple' format name like gif, jpg or text to the corresponding mime type --> e.g. image/gif, image/jpeg
134 * or text/plain
135 *
136 * @param contentType
137 *
138 * @return the mapped content type.
139 */
140 public static String toMimeType( String contentType ) {
141
142 String mimetype = "";
143
144 if ( isKnownMimeType( contentType ) ) {
145 mimetype = contentType;
146 } else {
147 if ( contentType.equalsIgnoreCase( "jpeg" ) ) {
148 mimetype = "image/jpeg";
149 } else if ( contentType.equalsIgnoreCase( "jpg" ) ) {
150 mimetype = "image/jpeg";
151 } else if ( contentType.equalsIgnoreCase( "gif" ) ) {
152 mimetype = "image/gif";
153 } else if ( contentType.equalsIgnoreCase( "png" ) ) {
154 mimetype = "image/png";
155 } else if ( contentType.equalsIgnoreCase( "bmp" ) ) {
156 mimetype = "image/bmp";
157 } else if ( contentType.equalsIgnoreCase( "tif" ) ) {
158 mimetype = "image/tiff";
159 } else if ( contentType.equalsIgnoreCase( "tiff" ) ) {
160 mimetype = "image/tiff";
161 } else if ( contentType.equalsIgnoreCase( "svg" ) ) {
162 mimetype = "image/svg+xml";
163 } else if ( contentType.equalsIgnoreCase( "xml" ) ) {
164 mimetype = "text/xml";
165 } else if ( contentType.equalsIgnoreCase( "gml" ) ) {
166 mimetype = "text/gml";
167 } else if ( contentType.equalsIgnoreCase( "text" ) ) {
168 mimetype = "text/plain";
169 } else if ( contentType.equalsIgnoreCase( "inimage" ) ) {
170 mimetype = "application/vnd.ogc.se_inimage";
171 } else if ( contentType.equalsIgnoreCase( "blank" ) ) {
172 mimetype = "application/vnd.ogc.se_blank";
173 } else if ( contentType.equalsIgnoreCase( "gml" ) ) {
174 mimetype = "application/vnd.ogc.gml";
175 } else {
176 // unknown mimetype
177 mimetype = "unknown/unknown";
178 }
179 }
180 return mimetype;
181 }
182 }