001package org.hl7.fhir.utilities;
002
003/*
004  Copyright (c) 2011+, HL7, Inc.
005  All rights reserved.
006  
007  Redistribution and use in source and binary forms, with or without modification, 
008  are permitted provided that the following conditions are met:
009    
010   * Redistributions of source code must retain the above copyright notice, this 
011     list of conditions and the following disclaimer.
012   * Redistributions in binary form must reproduce the above copyright notice, 
013     this list of conditions and the following disclaimer in the documentation 
014     and/or other materials provided with the distribution.
015   * Neither the name of HL7 nor the names of its contributors may be used to 
016     endorse or promote products derived from this software without specific 
017     prior written permission.
018  
019  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
020  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
021  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
022  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
023  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
024  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
025  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
026  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
027  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
028  POSSIBILITY OF SUCH DAMAGE.
029  
030 */
031
032
033
034import java.util.ArrayList;
035import java.util.HashMap;
036import java.util.List;
037import java.util.Map;
038
039public class MimeType {
040
041  private String source;
042  private String base;
043  private Map<String, String> params = new HashMap<String, String>();
044
045  public MimeType(String s) {
046    source = s;
047    for (String p : s.split("\\;"))
048      if (base == null)
049        base = p;
050      else
051        params.put(p.substring(0, p.indexOf("=")), p.substring(p.indexOf("=")+1));
052    if ("xml".equals(base))
053      base = "application/fhir+xml";
054    if ("json".equals(base))
055      base = "application/fhir+json";
056    if ("ttl".equals(base))
057      base = "application/fhir+ttl";
058  }
059
060  public String main() {
061    if (base.contains("/"))
062      return base.substring(0, base.indexOf("/"));
063    else
064      return base;
065  }
066
067  public String sub() {
068    if (base.contains("/"))
069      return base.substring(base.indexOf("/")+1);
070    else
071      return null;
072  }
073
074  public boolean hasParam(String name) {
075    return params.containsKey(name);
076  }
077
078  public boolean isValid() {
079    return (Utilities.existsInList(main(), "application", "audio", "font", "example", "image", "message", "model", "multipart", "text", "video") || main().startsWith("x-")) && !Utilities.noString(sub());
080  }
081
082  public static List<MimeType> parseList(String s) {
083    List<MimeType> result = new ArrayList<MimeType>();
084    for (String e : s.split("\\,"))
085        result.add(new MimeType(e));
086    return result;
087  }
088
089  public String display() {
090    return source;
091  }
092
093  public static String getExtension(String mimeType) {
094    MimeType mt = new MimeType(mimeType);    
095    return mt.getExtension();
096  }
097
098  public String getExtension() {
099    switch (base) {
100    case "text/html" : return "html";
101    case "text/xml" : return "xml";
102    case "application/xml" : return "xml";
103    case "text/markdown" : return "md";
104    case "application/js" : return "js";
105    case "application/css" : return "css";
106    case "text/x-csrc" : return "c";
107    case "text/x-csharp" : return "cs";
108    case "text/x-c++src" : return "c";
109    case "application/graphql" : return "graphql";
110    case "application/x-java" : return "java";
111    case "application/json" : return "json";
112    case "text/json" : return "json";
113    case "application/liquid" : return "liquid";
114    case "text/x-pascal" : return "pas";
115    case "text/x-python" : return "py";
116    case "text/x-rsrc" : return "r";
117    case "text/x-ruby" : return "ruby";
118    case "text/x-sas" : return "sas";
119    case "text/x-sql" : return "sql";
120    case "application/typescript" : return "ts";
121    case "text/cql": return "cql";
122    case "image/png": return "png";
123    case "image/gif": return "gif";
124    case "image/jpeg": return "jpg";
125    }
126    if (base.contains("xml+") || base.contains("+xml")) {
127      return "xml";
128    }
129    if (base.contains("json+") || base.contains("+json")) {
130      return "json";
131    }
132    if (base.contains("turtle+") || base.contains("+turtle")) {
133      return "ttl";
134    }
135    return null;
136  }
137
138}