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Tomcat example source code file (MimeMap.java)

This example Tomcat source code file (MimeMap.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Tomcat tags/keywords

enumeration, enumeration, filenamemap, filenamemap, hashtable, hashtable, mimemap, net, network, string, string, util, z

The Tomcat MimeMap.java source code

/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package org.apache.tomcat.util.http;

import java.net.*;
import java.util.*;


/**
 * A mime type map that implements the java.net.FileNameMap interface.
 *
 * @author James Duncan Davidson [duncan@eng.sun.com]
 * @author Jason Hunter [jch@eng.sun.com]
 */
public class MimeMap implements FileNameMap {

    // Defaults - all of them are "well-known" types,
    // you can add using normal web.xml.
    
    public static Hashtable<String,String> defaultMap =
        new Hashtable<String,String>(101);
    static {
        defaultMap.put("txt", "text/plain");
        defaultMap.put("html","text/html");
        defaultMap.put("htm", "text/html");
        defaultMap.put("gif", "image/gif");
        defaultMap.put("jpg", "image/jpeg");
        defaultMap.put("jpe", "image/jpeg");
        defaultMap.put("jpeg", "image/jpeg");
        defaultMap.put("png", "image/png");
                defaultMap.put("java", "text/plain");
        defaultMap.put("body", "text/html");
        defaultMap.put("rtx", "text/richtext");
        defaultMap.put("tsv", "text/tab-separated-values");
        defaultMap.put("etx", "text/x-setext");
        defaultMap.put("ps", "application/x-postscript");
        defaultMap.put("class", "application/java");
        defaultMap.put("csh", "application/x-csh");
        defaultMap.put("sh", "application/x-sh");
        defaultMap.put("tcl", "application/x-tcl");
        defaultMap.put("tex", "application/x-tex");
        defaultMap.put("texinfo", "application/x-texinfo");
        defaultMap.put("texi", "application/x-texinfo");
        defaultMap.put("t", "application/x-troff");
        defaultMap.put("tr", "application/x-troff");
        defaultMap.put("roff", "application/x-troff");
        defaultMap.put("man", "application/x-troff-man");
        defaultMap.put("me", "application/x-troff-me");
        defaultMap.put("ms", "application/x-wais-source");
        defaultMap.put("src", "application/x-wais-source");
        defaultMap.put("zip", "application/zip");
        defaultMap.put("bcpio", "application/x-bcpio");
        defaultMap.put("cpio", "application/x-cpio");
        defaultMap.put("gtar", "application/x-gtar");
        defaultMap.put("shar", "application/x-shar");
        defaultMap.put("sv4cpio", "application/x-sv4cpio");
        defaultMap.put("sv4crc", "application/x-sv4crc");
        defaultMap.put("tar", "application/x-tar");
        defaultMap.put("ustar", "application/x-ustar");
        defaultMap.put("dvi", "application/x-dvi");
        defaultMap.put("hdf", "application/x-hdf");
        defaultMap.put("latex", "application/x-latex");
        defaultMap.put("bin", "application/octet-stream");
        defaultMap.put("oda", "application/oda");
        defaultMap.put("pdf", "application/pdf");
        defaultMap.put("ps", "application/postscript");
        defaultMap.put("eps", "application/postscript");
        defaultMap.put("ai", "application/postscript");
        defaultMap.put("rtf", "application/rtf");
        defaultMap.put("nc", "application/x-netcdf");
        defaultMap.put("cdf", "application/x-netcdf");
        defaultMap.put("cer", "application/x-x509-ca-cert");
        defaultMap.put("exe", "application/octet-stream");
        defaultMap.put("gz", "application/x-gzip");
        defaultMap.put("Z", "application/x-compress");
        defaultMap.put("z", "application/x-compress");
        defaultMap.put("hqx", "application/mac-binhex40");
        defaultMap.put("mif", "application/x-mif");
        defaultMap.put("ief", "image/ief");
        defaultMap.put("tiff", "image/tiff");
        defaultMap.put("tif", "image/tiff");
        defaultMap.put("ras", "image/x-cmu-raster");
        defaultMap.put("pnm", "image/x-portable-anymap");
        defaultMap.put("pbm", "image/x-portable-bitmap");
        defaultMap.put("pgm", "image/x-portable-graymap");
        defaultMap.put("ppm", "image/x-portable-pixmap");
        defaultMap.put("rgb", "image/x-rgb");
        defaultMap.put("xbm", "image/x-xbitmap");
        defaultMap.put("xpm", "image/x-xpixmap");
        defaultMap.put("xwd", "image/x-xwindowdump");
        defaultMap.put("au", "audio/basic");
        defaultMap.put("snd", "audio/basic");
        defaultMap.put("aif", "audio/x-aiff");
        defaultMap.put("aiff", "audio/x-aiff");
        defaultMap.put("aifc", "audio/x-aiff");
        defaultMap.put("wav", "audio/x-wav");
        defaultMap.put("mpeg", "video/mpeg");
        defaultMap.put("mpg", "video/mpeg");
        defaultMap.put("mpe", "video/mpeg");
        defaultMap.put("qt", "video/quicktime");
        defaultMap.put("mov", "video/quicktime");
        defaultMap.put("avi", "video/x-msvideo");
        defaultMap.put("movie", "video/x-sgi-movie");
        defaultMap.put("avx", "video/x-rad-screenplay");
        defaultMap.put("wrl", "x-world/x-vrml");
        defaultMap.put("mpv2", "video/mpeg2");
        
        /* Add XML related MIMEs */
        
        defaultMap.put("xml", "text/xml");
        defaultMap.put("xsl", "text/xml");        
        defaultMap.put("svg", "image/svg+xml");
        defaultMap.put("svgz", "image/svg+xml");
        defaultMap.put("wbmp", "image/vnd.wap.wbmp");
        defaultMap.put("wml", "text/vnd.wap.wml");
        defaultMap.put("wmlc", "application/vnd.wap.wmlc");
        defaultMap.put("wmls", "text/vnd.wap.wmlscript");
        defaultMap.put("wmlscriptc", "application/vnd.wap.wmlscriptc");
    }
    

    private Hashtable<String,String> map = new Hashtable();

    public void addContentType(String extn, String type) {
        map.put(extn, type.toLowerCase());
    }

    public Enumeration getExtensions() {
        return map.keys();
    }

    public String getContentType(String extn) {
        String type = (String)map.get(extn.toLowerCase());
        if( type == null ) type=(String)defaultMap.get( extn );
        return type;
    }

    public void removeContentType(String extn) {
        map.remove(extn.toLowerCase());
    }

    /** Get extension of file, without fragment id
     */
    public static String getExtension( String fileName ) {
        // play it safe and get rid of any fragment id
        // that might be there
        int length=fileName.length();
        
        int newEnd = fileName.lastIndexOf('#');
        if( newEnd== -1 ) newEnd=length;
        // Instead of creating a new string.
        //         if (i != -1) {
        //             fileName = fileName.substring(0, i);
        //         }
        int i = fileName.lastIndexOf('.', newEnd );
        if (i != -1) {
             return  fileName.substring(i + 1, newEnd );
        } else {
            // no extension, no content type
            return null;
        }
    }
    
    public String getContentTypeFor(String fileName) {
        String extn=getExtension( fileName );
        if (extn!=null) {
            return getContentType(extn);
        } else {
            // no extension, no content type
            return null;
        }
    }

}

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