001package ca.uhn.fhir.rest.api;
002
003/*
004 * #%L
005 * HAPI FHIR - Core Library
006 * %%
007 * Copyright (C) 2014 - 2018 University Health Network
008 * %%
009 * Licensed under the Apache License, Version 2.0 (the "License");
010 * you may not use this file except in compliance with the License.
011 * You may obtain a copy of the License at
012 * 
013 *      http://www.apache.org/licenses/LICENSE-2.0
014 * 
015 * Unless required by applicable law or agreed to in writing, software
016 * distributed under the License is distributed on an "AS IS" BASIS,
017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
018 * See the License for the specific language governing permissions and
019 * limitations under the License.
020 * #L%
021 */
022
023import java.nio.charset.Charset;
024import java.util.*;
025
026public class Constants {
027
028        public static final String CACHE_CONTROL_MAX_RESULTS = "max-results";
029        public static final String CACHE_CONTROL_NO_CACHE = "no-cache";
030        public static final String CACHE_CONTROL_NO_STORE = "no-store";
031        public static final String CHARSET_NAME_UTF8 = "UTF-8";
032        public static final Charset CHARSET_UTF8;
033        public static final String CHARSET_UTF8_CTSUFFIX = "; charset=" + CHARSET_NAME_UTF8;
034        /**
035         * Contains a standard set of headers which are used by FHIR / HAPI FHIR, and therefore
036         * would make a useful set for CORS AllowedHeader declarations
037         */
038        public static final Set<String> CORS_ALLOWED_HEADERS;
039        /**
040         * Contains a standard set of HTTP Methods which are used by FHIR / HAPI FHIR, and therefore
041         * would make a useful set for CORS AllowedMethod declarations
042         */
043        public static final Set<String> CORS_ALLWED_METHODS;
044        public static final String CT_FHIR_JSON = "application/json+fhir";
045        public static final String CT_FHIR_JSON_NEW = "application/fhir+json";
046        public static final String CT_FHIR_XML = "application/xml+fhir";
047        public static final String CT_FHIR_XML_NEW = "application/fhir+xml";
048        public static final String CT_HTML = "text/html";
049        public static final String CT_HTML_WITH_UTF8 = "text/html" + CHARSET_UTF8_CTSUFFIX;
050        public static final String CT_JSON = "application/json";
051        public static final String CT_JSON_PATCH = "application/json-patch+json";
052        public static final String CT_OCTET_STREAM = "application/octet-stream";
053        public static final String CT_TEXT = "text/plain";
054        public static final String CT_TEXT_WITH_UTF8 = CT_TEXT + CHARSET_UTF8_CTSUFFIX;
055        public static final String CT_X_FORM_URLENCODED = "application/x-www-form-urlencoded";
056        public static final String CT_XML = "application/xml";
057        public static final String CT_XML_PATCH = "application/xml-patch+xml";
058        public static final String ENCODING_GZIP = "gzip";
059        public static final String EXTOP_PROCESS_MESSAGE = "$process-message"; //Used in messaging
060        public static final String EXTOP_VALIDATE = "$validate";
061        public static final String EXTOP_VALIDATE_MODE = "mode";
062        public static final String EXTOP_VALIDATE_PROFILE = "profile";
063        public static final String EXTOP_VALIDATE_RESOURCE = "resource";
064        public static final String FORMAT_HTML = "html";
065        public static final String FORMAT_JSON = "json";
066        public static final String FORMAT_XML = "xml";
067        /**
068         * "text/html" and "html"
069         */
070        public static final Set<String> FORMATS_HTML;
071        public static final String FORMATS_HTML_JSON = "html/json";
072        public static final String FORMATS_HTML_XML = "html/xml";
073        public static final String HEADER_ACCEPT = "Accept";
074        public static final String HEADER_ACCEPT_ENCODING = "Accept-Encoding";
075        public static final String HEADER_ACCEPT_VALUE_JSON_NON_LEGACY = CT_FHIR_JSON_NEW + ";q=1.0, " + CT_FHIR_JSON + ";q=0.9";
076        public static final String HEADER_ACCEPT_VALUE_XML_NON_LEGACY = CT_FHIR_XML_NEW + ";q=1.0, " + CT_FHIR_XML + ";q=0.9";
077        public static final String HEADER_ACCEPT_VALUE_XML_OR_JSON_LEGACY = CT_FHIR_XML + ";q=1.0, " + CT_FHIR_JSON + ";q=1.0";
078        public static final String HEADER_ACCEPT_VALUE_XML_OR_JSON_NON_LEGACY = CT_FHIR_XML_NEW + ";q=1.0, " + CT_FHIR_JSON_NEW + ";q=1.0, " + HEADER_ACCEPT_VALUE_XML_OR_JSON_LEGACY.replace("1.0", "0.9");
079        public static final String HEADER_ALLOW = "Allow";
080        public static final String HEADER_AUTHORIZATION = "Authorization";
081        public static final String HEADER_AUTHORIZATION_VALPREFIX_BASIC = "Basic ";
082        public static final String HEADER_AUTHORIZATION_VALPREFIX_BEARER = "Bearer ";
083        public static final String HEADER_CACHE_CONTROL = "Cache-Control";
084        public static final String HEADER_CONTENT_DISPOSITION = "Content-Disposition";
085        public static final String HEADER_CONTENT_ENCODING = "Content-Encoding";
086        public static final String HEADER_CONTENT_LOCATION = "Content-Location";
087        public static final String HEADER_CONTENT_LOCATION_LC = HEADER_CONTENT_LOCATION.toLowerCase();
088        public static final String HEADER_CONTENT_TYPE = "Content-Type";
089        public static final String HEADER_COOKIE = "Cookie";
090        public static final String HEADER_CORS_ALLOW_METHODS = "Access-Control-Allow-Methods";
091        public static final String HEADER_CORS_ALLOW_ORIGIN = "Access-Control-Allow-Origin";
092        public static final String HEADER_CORS_EXPOSE_HEADERS = "Access-Control-Expose-Headers";
093        public static final String HEADER_ETAG = "ETag";
094        public static final String HEADER_ETAG_LC = HEADER_ETAG.toLowerCase();
095        public static final String HEADER_IF_MATCH = "If-Match";
096        public static final String HEADER_IF_MATCH_LC = HEADER_IF_MATCH.toLowerCase();
097        public static final String HEADER_IF_MODIFIED_SINCE = "If-Modified-Since";
098        public static final String HEADER_IF_MODIFIED_SINCE_LC = HEADER_IF_MODIFIED_SINCE.toLowerCase();
099        public static final String HEADER_IF_NONE_EXIST = "If-None-Exist";
100        public static final String HEADER_IF_NONE_EXIST_LC = HEADER_IF_NONE_EXIST.toLowerCase();
101        public static final String HEADER_IF_NONE_MATCH = "If-None-Match";
102        public static final String HEADER_IF_NONE_MATCH_LC = HEADER_IF_NONE_MATCH.toLowerCase();
103        public static final String HEADER_LAST_MODIFIED = "Last-Modified";
104        public static final String HEADER_LAST_MODIFIED_LOWERCASE = HEADER_LAST_MODIFIED.toLowerCase();
105        public static final String HEADER_LOCATION = "Location";
106        public static final String HEADER_LOCATION_LC = HEADER_LOCATION.toLowerCase();
107        public static final String HEADER_ORIGIN = "Origin";
108        public static final String HEADER_PREFER = "Prefer";
109        public static final String HEADER_PREFER_RETURN = "return";
110        public static final String HEADER_PREFER_RETURN_MINIMAL = "minimal";
111        public static final String HEADER_PREFER_RETURN_REPRESENTATION = "representation";
112        public static final String HEADER_PREFER_RETURN_OPERATION_OUTCOME = "OperationOutcome";
113        public static final String HEADER_SUFFIX_CT_UTF_8 = "; charset=UTF-8";
114        public static final String HEADERVALUE_CORS_ALLOW_METHODS_ALL = "GET, POST, PUT, DELETE, OPTIONS";
115        public static final Map<Integer, String> HTTP_STATUS_NAMES;
116        public static final String LINK_FHIR_BASE = "fhir-base";
117        public static final String LINK_FIRST = "first";
118        public static final String LINK_LAST = "last";
119        public static final String LINK_NEXT = "next";
120        public static final String LINK_PREVIOUS = "previous";
121        public static final String LINK_SELF = "self";
122        public static final String OPENSEARCH_NS_OLDER = "http://purl.org/atompub/tombstones/1.0";
123        public static final String PARAM_ASYNC = "async"; //Used in messaging
124        public static final String PARAM_AT = "_at";
125        /**
126         * Used in paging links
127         */
128        public static final String PARAM_BUNDLETYPE = "_bundletype";
129        public static final String PARAM_CONTENT = "_content";
130        public static final String PARAM_COUNT = "_count";
131        public static final String PARAM_DELETE = "_delete";
132        public static final String PARAM_ELEMENTS = "_elements";
133        public static final String PARAM_FORMAT = "_format";
134        public static final String PARAM_HAS = "_has";
135        public static final String PARAM_HISTORY = "_history";
136        public static final String PARAM_INCLUDE = "_include";
137        public static final String PARAM_INCLUDE_QUALIFIER_RECURSE = ":recurse";
138        public static final String PARAM_INCLUDE_RECURSE = "_include" + PARAM_INCLUDE_QUALIFIER_RECURSE;
139        public static final String PARAM_LASTUPDATED = "_lastUpdated";
140        public static final String PARAM_NARRATIVE = "_narrative";
141        public static final String PARAM_PAGINGACTION = "_getpages";
142        public static final String PARAM_PAGINGOFFSET = "_getpagesoffset";
143        public static final String PARAM_PRETTY = "_pretty";
144        public static final String PARAM_PRETTY_VALUE_FALSE = "false";
145        public static final String PARAM_PRETTY_VALUE_TRUE = "true";
146        public static final String PARAM_PROFILE = "_profile";
147        public static final String PARAM_QUERY = "_query";
148        public static final String PARAM_RESPONSE_URL = "response-url"; //Used in messaging
149        public static final String PARAM_REVINCLUDE = "_revinclude";
150        public static final String PARAM_REVINCLUDE_RECURSE = PARAM_REVINCLUDE + PARAM_INCLUDE_QUALIFIER_RECURSE;
151        public static final String PARAM_SEARCH = "_search";
152        public static final String PARAM_SECURITY = "_security";
153        public static final String PARAM_SINCE = "_since";
154        public static final String PARAM_SORT = "_sort";
155        public static final String PARAM_SORT_ASC = "_sort:asc";
156        public static final String PARAM_SORT_DESC = "_sort:desc";
157        public static final String PARAM_SUMMARY = "_summary";
158        public static final String PARAM_TAG = "_tag";
159        public static final String PARAM_TAGS = "_tags";
160        public static final String PARAM_TEXT = "_text";
161        public static final String PARAM_VALIDATE = "_validate";
162        public static final String PARAMQUALIFIER_MISSING = ":missing";
163        public static final String PARAMQUALIFIER_MISSING_FALSE = "false";
164        public static final String PARAMQUALIFIER_MISSING_TRUE = "true";
165        public static final String PARAMQUALIFIER_STRING_CONTAINS = ":contains";
166        public static final String PARAMQUALIFIER_STRING_EXACT = ":exact";
167        public static final String PARAMQUALIFIER_TOKEN_TEXT = ":text";
168        public static final int STATUS_HTTP_200_OK = 200;
169        public static final int STATUS_HTTP_201_CREATED = 201;
170        public static final int STATUS_HTTP_204_NO_CONTENT = 204;
171        public static final int STATUS_HTTP_304_NOT_MODIFIED = 304;
172        public static final int STATUS_HTTP_400_BAD_REQUEST = 400;
173        public static final int STATUS_HTTP_401_CLIENT_UNAUTHORIZED = 401;
174        public static final int STATUS_HTTP_403_FORBIDDEN = 403;
175
176        public static final int STATUS_HTTP_404_NOT_FOUND = 404;
177        public static final int STATUS_HTTP_405_METHOD_NOT_ALLOWED = 405;
178        public static final int STATUS_HTTP_409_CONFLICT = 409;
179        public static final int STATUS_HTTP_410_GONE = 410;
180        public static final int STATUS_HTTP_412_PRECONDITION_FAILED = 412;
181        public static final int STATUS_HTTP_422_UNPROCESSABLE_ENTITY = 422;
182        public static final int STATUS_HTTP_500_INTERNAL_ERROR = 500;
183        public static final int STATUS_HTTP_501_NOT_IMPLEMENTED = 501;
184        public static final String TAG_SUBSETTED_CODE = "SUBSETTED";
185        public static final String TAG_SUBSETTED_SYSTEM_DSTU3 = "http://hl7.org/fhir/v3/ObservationValue";
186        public static final String TAG_SUBSETTED_SYSTEM_R4 = "http://terminology.hl7.org/CodeSystem/v3-ObservationValue";
187        public static final String URL_TOKEN_HISTORY = "_history";
188        public static final String URL_TOKEN_METADATA = "metadata";
189        public static final String OO_INFOSTATUS_PROCESSING = "processing";
190        public static final String PARAM_GRAPHQL_QUERY = "query";
191        public static final String HEADER_X_CACHE = "X-Cache";
192        public static final String HEADER_X_SECURITY_CONTEXT = "X-Security-Context";
193        public static final String POWERED_BY_HEADER = "X-Powered-By";
194        public static final Charset CHARSET_US_ASCII;
195        public static final String PARAM_PAGEID = "_pageId";
196        /**
197         * This is provided for testing only! Use with caution as this property may change.
198         */
199        public static final String TEST_SYSTEM_PROP_VALIDATION_RESOURCE_CACHES_MS = "TEST_SYSTEM_PROP_VALIDATION_RESOURCE_CACHES_MS";
200        public static final String PARAM_SEARCH_TOTAL_MODE = "_total";
201
202        static {
203                CHARSET_UTF8 = Charset.forName(CHARSET_NAME_UTF8);
204                CHARSET_US_ASCII = Charset.forName("ISO-8859-1");
205
206                HashMap<Integer, String> statusNames = new HashMap<>();
207                statusNames.put(200, "OK");
208                statusNames.put(201, "Created");
209                statusNames.put(202, "Accepted");
210                statusNames.put(203, "Non-Authoritative Information");
211                statusNames.put(204, "No Content");
212                statusNames.put(205, "Reset Content");
213                statusNames.put(206, "Partial Content");
214                statusNames.put(207, "Multi-Status");
215                statusNames.put(208, "Already Reported");
216                statusNames.put(226, "IM Used");
217                statusNames.put(300, "Multiple Choices");
218                statusNames.put(301, "Moved Permanently");
219                statusNames.put(302, "Found");
220                statusNames.put(302, "Moved Temporarily");
221                statusNames.put(303, "See Other");
222                statusNames.put(304, "Not Modified");
223                statusNames.put(305, "Use Proxy");
224                statusNames.put(307, "Temporary Redirect");
225                statusNames.put(308, "Permanent Redirect");
226                statusNames.put(400, "Bad Request");
227                statusNames.put(401, "Unauthorized");
228                statusNames.put(402, "Payment Required");
229                statusNames.put(403, "Forbidden");
230                statusNames.put(404, "Not Found");
231                statusNames.put(405, "Method Not Allowed");
232                statusNames.put(406, "Not Acceptable");
233                statusNames.put(407, "Proxy Authentication Required");
234                statusNames.put(408, "Request Timeout");
235                statusNames.put(409, "Conflict");
236                statusNames.put(410, "Gone");
237                statusNames.put(411, "Length Required");
238                statusNames.put(412, "Precondition Failed");
239                statusNames.put(413, "Payload Too Large");
240                statusNames.put(413, "Request Entity Too Large");
241                statusNames.put(414, "URI Too Long");
242                statusNames.put(414, "Request-URI Too Long");
243                statusNames.put(415, "Unsupported Media Type");
244                statusNames.put(416, "Requested range not satisfiable");
245                statusNames.put(417, "Expectation Failed");
246                statusNames.put(418, "I'm a teapot");
247                statusNames.put(419, "Insufficient Space On Resource");
248                statusNames.put(420, "Method Failure");
249                statusNames.put(421, "Destination Locked");
250                statusNames.put(422, "Unprocessable Entity");
251                statusNames.put(423, "Locked");
252                statusNames.put(424, "Failed Dependency");
253                statusNames.put(426, "Upgrade Required");
254                statusNames.put(428, "Precondition Required");
255                statusNames.put(429, "Too Many Requests");
256                statusNames.put(431, "Request Header Fields Too Large");
257                statusNames.put(500, "Internal Server Error");
258                statusNames.put(501, "Not Implemented");
259                statusNames.put(502, "Bad Gateway");
260                statusNames.put(503, "Service Unavailable");
261                statusNames.put(504, "Gateway Timeout");
262                statusNames.put(505, "HTTP Version not supported");
263                statusNames.put(506, "Variant Also Negotiates");
264                statusNames.put(507, "Insufficient Storage");
265                statusNames.put(508, "Loop Detected");
266                statusNames.put(509, "Bandwidth Limit Exceeded");
267                statusNames.put(510, "Not Extended");
268                statusNames.put(511, "Network Authentication Required");
269                HTTP_STATUS_NAMES = Collections.unmodifiableMap(statusNames);
270
271                Set<String> formatsHtml = new HashSet<>();
272                formatsHtml.add(CT_HTML);
273                formatsHtml.add(FORMAT_HTML);
274                FORMATS_HTML = Collections.unmodifiableSet(formatsHtml);
275
276                // *********************************************************
277                // Update CorsInterceptor's constructor documentation if you change these:
278                // *********************************************************
279                HashSet<String> corsAllowedHeaders = new HashSet<>();
280                corsAllowedHeaders.add("Accept");
281                corsAllowedHeaders.add("Access-Control-Request-Headers");
282                corsAllowedHeaders.add("Access-Control-Request-Method");
283                corsAllowedHeaders.add("Cache-Control");
284                corsAllowedHeaders.add("Content-Type");
285                corsAllowedHeaders.add("Origin");
286                corsAllowedHeaders.add("Prefer");
287                corsAllowedHeaders.add("X-FHIR-Starter");
288                corsAllowedHeaders.add("X-Requested-With");
289                CORS_ALLOWED_HEADERS = Collections.unmodifiableSet(corsAllowedHeaders);
290
291                // *********************************************************
292                // Update CorsInterceptor's constructor documentation if you change these:
293                // *********************************************************
294                HashSet<String> corsAllowedMethods = new HashSet<>();
295                corsAllowedMethods.addAll(Arrays.asList("GET", "POST", "PUT", "DELETE", "OPTIONS", "PATCH"));
296                CORS_ALLWED_METHODS = Collections.unmodifiableSet(corsAllowedMethods);
297        }
298
299}