cdmlib-remote/src/main/java/eu/etaxonomy/cdm/remote/controller/TaxonPortalController.java

   1 // $Id: TaxonController.java 5473 2009-03-25 13:42:07Z a.kohlbecker $
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10
  11 package eu.etaxonomy.cdm.remote.controller;
  12
  13 import java.io.IOException;
  14 import java.util.ArrayList;
  15 import java.util.Arrays;
  16 import java.util.HashSet;
  17 import java.util.Hashtable;
  18 import java.util.List;
  19 import java.util.Map;
  20 import java.util.NoSuchElementException;
  21 import java.util.Set;
  22 import java.util.SortedMap;
  23 import java.util.TreeMap;
  24 import java.util.UUID;
  25 import java.util.regex.Matcher;
  26 import java.util.regex.Pattern;
  27
  28 import javax.servlet.http.HttpServletRequest;
  29 import javax.servlet.http.HttpServletResponse;
  30
  31 import org.apache.commons.lang.ObjectUtils;
  32 import org.apache.log4j.Logger;
  33 import org.springframework.beans.factory.annotation.Autowired;
  34 import org.springframework.stereotype.Controller;
  35 import org.springframework.web.bind.WebDataBinder;
  36 import org.springframework.web.bind.annotation.InitBinder;
  37 import org.springframework.web.bind.annotation.RequestMapping;
  38 import org.springframework.web.bind.annotation.RequestMethod;
  39 import org.springframework.web.bind.annotation.RequestParam;
  40 import org.springframework.web.servlet.ModelAndView;
  41
  42 import eu.etaxonomy.cdm.api.service.IDescriptionService;
  43 import eu.etaxonomy.cdm.api.service.INameService;
  44 import eu.etaxonomy.cdm.api.service.IReferenceService;
  45 import eu.etaxonomy.cdm.api.service.ITaxonService;
  46 import eu.etaxonomy.cdm.api.service.ITaxonTreeService;
  47 import eu.etaxonomy.cdm.api.service.config.ITaxonServiceConfigurator;
  48 import eu.etaxonomy.cdm.api.service.config.impl.TaxonServiceConfiguratorImpl;
  49 import eu.etaxonomy.cdm.api.service.pager.Pager;
  50 import eu.etaxonomy.cdm.database.UpdatableRoutingDataSource;
  51 import eu.etaxonomy.cdm.model.common.IdentifiableEntity;
  52 import eu.etaxonomy.cdm.model.description.DescriptionElementBase;
  53 import eu.etaxonomy.cdm.model.description.TaxonDescription;
  54 import eu.etaxonomy.cdm.model.description.TaxonNameDescription;
  55 import eu.etaxonomy.cdm.model.location.NamedArea;
  56 import eu.etaxonomy.cdm.model.media.Media;
  57 import eu.etaxonomy.cdm.model.media.MediaRepresentation;
  58 import eu.etaxonomy.cdm.model.name.NameRelationship;
  59 import eu.etaxonomy.cdm.model.name.TaxonNameBase;
  60 import eu.etaxonomy.cdm.model.name.TypeDesignationBase;
  61 import eu.etaxonomy.cdm.model.taxon.Synonym;
  62 import eu.etaxonomy.cdm.model.taxon.Taxon;
  63 import eu.etaxonomy.cdm.model.taxon.TaxonBase;
  64 import eu.etaxonomy.cdm.model.taxon.TaxonRelationship;
  65 import eu.etaxonomy.cdm.model.taxon.TaxonRelationshipType;
  66 import eu.etaxonomy.cdm.model.taxon.TaxonomicTree;
  67 import eu.etaxonomy.cdm.persistence.query.MatchMode;
  68 import eu.etaxonomy.cdm.remote.editor.NamedAreaPropertyEditor;
  69 import eu.etaxonomy.cdm.remote.editor.UUIDPropertyEditor;
  70
  71 /**
  72  * The TaxonPortalController class is a Spring MVC Controller.
  73  * <p>
  74  * The syntax of the mapped service URIs contains the the {datasource-name} path element.
  75  * The available {datasource-name}s are defined in a configuration file which
  76  * is loaded by the {@link UpdatableRoutingDataSource}. If the
  77  * UpdatableRoutingDataSource is not being used in the actual application
  78  * context any arbitrary {datasource-name} may be used.
  79  * <p>
  80  * Methods mapped at type level, inherited from super classes ({@link BaseController}):
  81  * <blockquote>
  82  * URI: <b>&#x002F;{datasource-name}&#x002F;portal&#x002F;taxon&#x002F;{taxon-uuid}</b>
  83  *
  84  * Get the {@link TaxonBase} instance identified by the <code>{taxon-uuid}</code>.
  85  * The returned Taxon is initialized by
  86  * the following strategy {@link #TAXON_INIT_STRATEGY}
  87  * </blockquote>
  88  *
  89  * @author a.kohlbecker
  90  * @date 20.07.2009
  91  *
  92  */
  93 @Controller
  94 @RequestMapping(value = {"/*/portal/taxon/*", "/*/portal/taxon/*/*", "/*/portal/name/*/*", "/*/portal/taxon/*/media/*/*"})
  95 public class TaxonPortalController extends BaseController<TaxonBase, ITaxonService>
  96 {
  97         public static final Logger logger = Logger.getLogger(TaxonPortalController.class);
  98
  99         @Autowired
 100         private INameService nameService;
 101         @Autowired
 102         private IDescriptionService descriptionService;
 103         @Autowired
 104         private IReferenceService referenceService;
 105
 106         @Autowired
 107         private ITaxonTreeService taxonTreeService;
 108
 109         private static final List<String> TAXON_INIT_STRATEGY = Arrays.asList(new String []{
 110                         "*",
 111                         // taxon relations
 112                         "relationsToThisName.fromTaxon.name.taggedName",
 113                         // the name
 114                         "name.$",
 115                         "name.taggedName",
 116                         "name.rank.representations",
 117                         "name.status.type.representations",
 118
 119                         // taxon descriptions
 120                         "descriptions.elements.$",
 121                         "descriptions.elements.area",
 122                         "descriptions.elements.area.$",
 123                         "descriptions.elements.multilanguageText",
 124                         "descriptions.elements.media.representations.parts",
 125
 126 //                      // typeDesignations
 127 //                      "name.typeDesignations.$",
 128 //                      "name.typeDesignations.citation.authorTeam",
 129 //                      "name.typeDesignations.typeName.$",
 130 //                      "name.typeDesignations.typeStatus.representations",
 131 //                      "name.typeDesignations.typeSpecimen.media.representations.parts"
 132
 133                         });
 134
 135         private static final List<String> SIMPLE_TAXON_INIT_STRATEGY = Arrays.asList(new String []{
 136                         "*",
 137                         // taxon relations
 138                         "relationsToThisName.fromTaxon.name.taggedName",
 139                         // the name
 140                         "name.$",
 141                         "name.taggedName",
 142                         "name.rank.representations",
 143                         "name.status.type.representations"
 144                         });
 145
 146         private static final List<String> SYNONYMY_INIT_STRATEGY = Arrays.asList(new String []{
 147                         // initialize homotypical and heterotypical groups; needs synonyms
 148                         "synonymRelations.$",
 149                         "synonymRelations.synonym.$",
 150                         "synonymRelations.synonym.name.taggedName",
 151                         "synonymRelations.synonym.name.nomenclaturalReference.inBook.authorTeam",
 152                         "synonymRelations.synonym.name.nomenclaturalReference.inJournal",
 153                         "synonymRelations.synonym.name.nomenclaturalReference.inProceedings",
 154                         "synonymRelations.synonym.name.homotypicalGroup.typifiedNames.$",
 155                         "synonymRelations.synonym.name.homotypicalGroup.typifiedNames.name.taggedName",
 156                         "synonymRelations.synonym.name.homotypicalGroup.typifiedNames.taxonBases.$",
 157                         "synonymRelations.synonym.name.homotypicalGroup.typifiedNames.taxonBases.name.taggedName",
 158
 159                         "name.homotypicalGroup.$",
 160                         "name.homotypicalGroup.typifiedNames.$",
 161                         "name.homotypicalGroup.typifiedNames.name.taggedName",
 162
 163                         "name.homotypicalGroup.typifiedNames.taxonBases.$",
 164                         "name.homotypicalGroup.typifiedNames.taxonBases.name.taggedName"
 165
 166         });
 167
 168         private static final List<String> TAXONRELATIONSHIP_INIT_STRATEGY = Arrays.asList(new String []{
 169                         "$",
 170                         "type.inverseRepresentations",
 171                         "fromTaxon.sec.authorTeam",
 172                         "fromTaxon.name.taggedName"
 173         });
 174
 175         private static final List<String> NAMERELATIONSHIP_INIT_STRATEGY = Arrays.asList(new String []{
 176                         "$",
 177                         "type.inverseRepresentations",
 178                         "fromName.taggedName",
 179         });
 180
 181
 182         protected static final List<String> TAXONDESCRIPTION_INIT_STRATEGY = Arrays.asList(new String []{
 183                         "$",
 184                         "elements.$",
 185                         "elements.sources.citation.",
 186                         "elements.multilanguageText",
 187                         "elements.media.representations.parts",
 188         });
 189
 190         private static final List<String> NAMEDESCRIPTION_INIT_STRATEGY = Arrays.asList(new String []{
 191                         "uuid",
 192                         "feature",
 193                         "elements.$",
 194                         "elements.multilanguageText",
 195                         "elements.media.representations.parts",
 196         });
 197
 198         private static final List<String> TYPEDESIGNATION_INIT_STRATEGY = Arrays.asList(new String []{
 199                         //"$",
 200                         "typeSpecimen.$",
 201                         "typeStatus.representations",
 202                         "citation.authorTeam",
 203                         "typeName.taggedName"
 204         });
 205
 206
 207
 208         private static final String featureTreeUuidPattern = "^/(?:[^/]+)/taxon(?:(?:/)([^/?#&\\.]+))+.*";
 209
 210         public TaxonPortalController(){
 211                 super();
 212                 setInitializationStrategy(TAXON_INIT_STRATEGY);
 213                 setUuidParameterPattern("^/(?:[^/]+)/portal/(?:[^/]+)/([^/?#&\\.]+).*");
 214         }
 215
 216         /* (non-Javadoc)
 217          * @see eu.etaxonomy.cdm.remote.controller.GenericController#setService(eu.etaxonomy.cdm.api.service.IService)
 218          */
 219         @Autowired
 220         @Override
 221         public void setService(ITaxonService service) {
 222                 this.service = service;
 223         }
 224
 225         @InitBinder
 226     public void initBinder(WebDataBinder binder) {
 227                 binder.registerCustomEditor(UUID.class, new UUIDPropertyEditor());
 228                 binder.registerCustomEditor(NamedArea.class, new NamedAreaPropertyEditor());
 229         }
 230
 231
 232         /* (non-Javadoc)
 233          * @see eu.etaxonomy.cdm.remote.controller.BaseController#doGet(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
 234
 235         @Override
 236         @RequestMapping(method = RequestMethod.GET)
 237         public TaxonBase doGet(HttpServletRequest request, HttpServletResponse response)throws IOException {
 238                 logger.info("doGet()");
 239                 TaxonBase tb = getCdmBase(request, response, TAXON_INIT_STRATEGY, TaxonBase.class);
 240                 return tb;
 241         }
 242          */
 243         /**
 244          * Find Taxa, Synonyms, Common Names by name, either globally or in a specific geographic area.
 245          * <p>
 246          * URI: <b>&#x002F;{datasource-name}&#x002F;portal&#x002F;taxon&#x002F;find</b>
 247          *
 248          * @param query
 249          *            the string to query for. Since the wildcard character '*'
 250          *            internally always is appended to the query string, a search
 251          *            always compares the query string with the beginning of a name.
 252          *            - <i>required parameter</i>
 253          * @param treeUuid
 254          *            the {@link UUID} of a {@link TaxonomicTree} to which the
 255          *            search is to be restricted. - <i>optional parameter</i>
 256          * @param areas
 257          *            restrict the search to a set of geographic {@link NamedArea}s.
 258          *            The parameter currently takes a list of TDWG area labels.
 259          *            - <i>optional parameter</i>
 260          * @param page
 261          *            the number of the page to be returned, the first page has the
 262          *            pageNumber = 1 - <i>optional parameter</i>
 263          * @param pageSize
 264          *            the maximum number of entities returned per page (can be null
 265          *            to return all entities in a single page) - <i>optional parameter</i>
 266          * @param doTaxa
 267          *            weather to search for instances of {@link Taxon} - <i>optional parameter</i>
 268          * @param doSynonyms
 269          *            weather to search for instances of {@link Synonym} - <i>optional parameter</i>
 270          * @param doTaxaByCommonNames
 271          *            for instances of {@link Taxon} by a common name used - <i>optional parameter</i>
 272          * @return a Pager on a list of {@link IdentifiableEntity}s initialized by
 273          *         the following strategy {@link #SIMPLE_TAXON_INIT_STRATEGY}
 274          * @throws IOException
 275          */
 276         @RequestMapping(method = RequestMethod.GET,
 277                         value = {"/*/portal/taxon/find"}) //TODO map to path /*/portal/taxon/
 278         public Pager<IdentifiableEntity> doFind(
 279                         @RequestParam(value = "query", required = false) String query,
 280                         @RequestParam(value = "tree", required = false) UUID treeUuid,
 281                         @RequestParam(value = "area", required = false) Set<NamedArea> areas,
 282                         @RequestParam(value = "page", required = false) Integer page,
 283                         @RequestParam(value = "pageSize", required = false) Integer pageSize,
 284                         @RequestParam(value = "doTaxa", required = false) Boolean doTaxa,
 285                         @RequestParam(value = "doSynonyms", required = false) Boolean doSynonyms,
 286                         @RequestParam(value = "doTaxaByCommonNames", required = false) Boolean doTaxaByCommonNames)
 287                          throws IOException {
 288
 289                 logger.info("doFind( " +
 290                         "query=\"" + ObjectUtils.toString(query) + "\", treeUuid=" + ObjectUtils.toString(treeUuid) +
 291                         ", area=" + ObjectUtils.toString(areas) +
 292                         ", pageSize=" + ObjectUtils.toString(pageSize) +  ", page=" + ObjectUtils.toString(page) +
 293                         ", doTaxa=" + ObjectUtils.toString(doTaxa) + ", doSynonyms=" + ObjectUtils.toString(doSynonyms) +")" );
 294
 295                 if(page == null){ page = BaseListController.DEFAULT_PAGE_NUMBER;}
 296                 if(pageSize == null){ pageSize = BaseListController.DEFAULT_PAGESIZE;}
 297
 298                 ITaxonServiceConfigurator config = new TaxonServiceConfiguratorImpl();
 299                 config.setPageNumber(page);
 300                 config.setPageSize(pageSize);
 301                 config.setSearchString(query);
 302                 config.setDoTaxa(doTaxa!= null ? doTaxa : Boolean.FALSE );
 303                 config.setDoSynonyms(doSynonyms != null ? doSynonyms : Boolean.FALSE );
 304                 config.setDoTaxaByCommonNames(doTaxaByCommonNames != null ? doTaxaByCommonNames : Boolean.FALSE );
 305                 config.setMatchMode(MatchMode.BEGINNING);
 306                 config.setTaxonPropertyPath(SIMPLE_TAXON_INIT_STRATEGY);
 307                 config.setNamedAreas(areas);
 308                 if(treeUuid != null){
 309                         TaxonomicTree taxonomicTree = taxonTreeService.find(treeUuid);
 310                         config.setTaxonomicTree(taxonomicTree);
 311                 }
 312
 313                 return (Pager<IdentifiableEntity>) service.findTaxaAndNames(config);
 314         }
 315
 316         /**
 317          * Get the synonymy for a taxon identified by the <code>{taxon-uuid}</code>.
 318          * The synonymy consists
 319          * of two parts: The group of homotypic synonyms of the taxon and the
 320          * heterotypic synonymy groups of the taxon. The synonymy is ordered
 321          * historically by the type designations and by the publication date of the
 322          * nomenclatural reference
 323          * <p>
 324          * URI:
 325          * <b>&#x002F;{datasource-name}&#x002F;portal&#x002F;taxon&#x002F;{taxon-uuid}&#x002F;synonymy</b>
 326          *
 327          *
 328          * @param request
 329          * @param response
 330          * @return a Map with to entries which are mapped by the following keys:
 331          *         "homotypicSynonymsByHomotypicGroup", "heterotypicSynonymyGroups",
 332          *         containing lists of {@link Synonym}s which are initialized using the
 333          *         following initialization strategy: {@link #SYNONYMY_INIT_STRATEGY}
 334          *
 335          * @throws IOException
 336          */
 337         @RequestMapping(
 338                         value = {"/*/portal/taxon/*/synonymy"},
 339                         method = RequestMethod.GET)
 340         public ModelAndView doGetSynonymy(HttpServletRequest request, HttpServletResponse response)throws IOException {
 341
 342                 logger.info("doGetSynonymy() " + request.getServletPath());
 343                 ModelAndView mv = new ModelAndView();
 344                 TaxonBase tb = getCdmBase(request, response, null, Taxon.class);
 345                 Taxon taxon = (Taxon)tb;
 346                 Map<String, List<?>> synonymy = new Hashtable<String, List<?>>();
 347                 synonymy.put("homotypicSynonymsByHomotypicGroup", service.getHomotypicSynonymsByHomotypicGroup(taxon, SYNONYMY_INIT_STRATEGY));
 348                 synonymy.put("heterotypicSynonymyGroups", service.getHeterotypicSynonymyGroups(taxon, SYNONYMY_INIT_STRATEGY));
 349                 mv.addObject(synonymy);
 350                 return mv;
 351         }
 352
 353         /**
 354          * Get the set of accepted {@link Taxon} entities for a given
 355          * {@link TaxonBase} entity identified by the <code>{taxon-uuid}</code>.
 356          * <p>
 357          * URI: <b>&#x002F;{datasource-name}&#x002F;portal&#x002F;taxon&#x002F;{taxon-uuid}&#x002F;accepted</b>
 358          *
 359          * @param request
 360          * @param response
 361          * @return a Set of {@link Taxon} entities which are initialized
 362          *         using the following initialization strategy:
 363          *         {@link #SYNONYMY_INIT_STRATEGY}
 364          * @throws IOException
 365          */
 366         @RequestMapping(value = "/*/portal/taxon/*/accepted", method = RequestMethod.GET)
 367         public Set<TaxonBase> getAccepted(HttpServletRequest request, HttpServletResponse response) throws IOException {
 368
 369                 logger.info("getAccepted() " + request.getServletPath());
 370
 371                 UUID uuid = readValueUuid(request, null);
 372                 TaxonBase tb = service.load(uuid, SYNONYMY_INIT_STRATEGY);
 373                 if(tb == null){
 374                         response.sendError(HttpServletResponse.SC_NOT_FOUND, "A taxon with the uuid " + uuid + " does not exist");
 375                         return null;
 376                 }
 377                 HashSet<TaxonBase> resultset = new HashSet<TaxonBase>();
 378                 if(tb instanceof Taxon){
 379                         //the taxon already is accepted
 380                         //FIXME take the current view into account once views are implemented!!!
 381                         resultset.add((Taxon)tb);
 382                 } else {
 383                         Synonym syn = (Synonym)tb;
 384                         for(TaxonBase accepted : syn.getAcceptedTaxa()){
 385                                 accepted = service.load(accepted.getUuid(), SIMPLE_TAXON_INIT_STRATEGY);
 386                                 resultset.add(accepted);
 387                         }
 388                 }
 389                 return resultset;
 390         }
 391
 392         /**
 393      * Get the list of {@link TaxonRelationship}s for the given
 394          * {@link TaxonBase} instance identified by the <code>{taxon-uuid}</code>.
 395          * <p>
 396          * URI: <b>&#x002F;{datasource-name}&#x002F;portal&#x002F;taxon&#x002F;{taxon-uuid}&#x002F;taxonRelationships</b>
 397          *
 398          * @param request
 399          * @param response
 400          * @return a List of {@link TaxonRelationship} entities which are initialized
 401          *         using the following initialization strategy:
 402          *         {@link #TAXONRELATIONSHIP_INIT_STRATEGY}
 403          * @throws IOException
 404          */
 405         @RequestMapping(
 406                         value = {"/*/portal/taxon/*/taxonRelationships"},
 407                         method = RequestMethod.GET)
 408         public List<TaxonRelationship> doGetTaxonRelations(HttpServletRequest request, HttpServletResponse response)throws IOException {
 409
 410                 logger.info("doGetTaxonRelations()" + request.getServletPath());
 411                 TaxonBase tb = getCdmBase(request, response, null, Taxon.class);
 412                 Taxon taxon = (Taxon)tb;
 413                 List<TaxonRelationship> relations = new ArrayList<TaxonRelationship>();
 414                 List<TaxonRelationship> results = service.listToTaxonRelationships(taxon, TaxonRelationshipType.MISAPPLIED_NAME_FOR(), null, null, null, TAXONRELATIONSHIP_INIT_STRATEGY);
 415                 relations.addAll(results);
 416                 results = service.listToTaxonRelationships(taxon, TaxonRelationshipType.INVALID_DESIGNATION_FOR(), null, null, null, TAXONRELATIONSHIP_INIT_STRATEGY);
 417                 relations.addAll(results);
 418
 419                 return relations;
 420         }
 421
 422         /**
 423      * Get the list of {@link NameRelationship}s of the Name associated with the
 424          * {@link TaxonBase} instance identified by the <code>{taxon-uuid}</code>.
 425          * <p>
 426          * URI: <b>&#x002F;{datasource-name}&#x002F;portal&#x002F;taxon&#x002F;{taxon-uuid}&#x002F;nameRelationships</b>
 427          *
 428          * @param request
 429          * @param response
 430          * @return a List of {@link NameRelationship} entities which are initialized
 431          *         using the following initialization strategy:
 432          *         {@link #NAMERELATIONSHIP_INIT_STRATEGY}
 433          * @throws IOException
 434          */
 435         @RequestMapping(
 436                         value = {"/*/portal/taxon/*/nameRelationships"},
 437                         method = RequestMethod.GET)
 438         public List<NameRelationship> doGetNameRelations(HttpServletRequest request, HttpServletResponse response)throws IOException {
 439                 logger.info("doGetNameRelations()" + request.getServletPath());
 440                 TaxonBase tb = getCdmBase(request, response, SIMPLE_TAXON_INIT_STRATEGY, Taxon.class);
 441                 List<NameRelationship> list = nameService.listToNameRelationships(tb.getName(), null, null, null, null, NAMERELATIONSHIP_INIT_STRATEGY);
 442                 return list;
 443         }
 444
 445         /**
 446      * Get the list of {@link TaxonNameDescription}s of the Name associated with the
 447          * {@link TaxonNameBase} instance identified by the <code>{name-uuid}</code>.
 448          * <p>
 449          * URI: <b>&#x002F;{datasource-name}&#x002F;portal&#x002F;name&#x002F;{name-uuid}&#x002F;descriptions</b>
 450          *
 451          * @param request
 452          * @param response
 453          * @return a List of {@link TaxonNameDescription} entities which are initialized
 454          *         using the following initialization strategy:
 455          *         {@link #NAMEDESCRIPTION_INIT_STRATEGY}
 456          * @throws IOException
 457          */
 458         @RequestMapping(
 459                         value = {"/*/portal/name/*/descriptions"},
 460                         method = RequestMethod.GET)
 461         public List<TaxonNameDescription> doGetNameDescriptions(HttpServletRequest request, HttpServletResponse response)throws IOException {
 462                 logger.info("doGetNameDescriptions()" + request.getServletPath());
 463                 UUID nameUuuid = readValueUuid(request, null);
 464                 TaxonNameBase tnb = nameService.load(nameUuuid, null);
 465                 Pager<TaxonNameDescription> p = descriptionService.getTaxonNameDescriptions(tnb, null, null, NAMEDESCRIPTION_INIT_STRATEGY);
 466                 return p.getRecords();
 467         }
 468
 469         /**
 470      * Get the list of {@link TypeDesignationBase}s of the
 471          * {@link TaxonBase} instance identified by the <code>{taxon-uuid}</code>.
 472          * <p>
 473          * URI: <b>&#x002F;{datasource-name}&#x002F;portal&#x002F;taxon&#x002F;{taxon-uuid}&#x002F;nameTypeDesignations</b>
 474          *
 475          * @param request
 476          * @param response
 477          * @return a List of {@link TypeDesignationBase} entities which are initialized
 478          *         using the following initialization strategy:
 479          *         {@link #TYPEDESIGNATION_INIT_STRATEGY}
 480          * @throws IOException
 481          */
 482         @RequestMapping(
 483                         value = {"/*/portal/taxon/*/nameTypeDesignations"},
 484                         method = RequestMethod.GET)
 485         public List<TypeDesignationBase> doGetNameTypeDesignations(HttpServletRequest request, HttpServletResponse response)throws IOException {
 486                 logger.info("doGetNameTypeDesignations()" + request.getServletPath());
 487                 TaxonBase tb = getCdmBase(request, response, SIMPLE_TAXON_INIT_STRATEGY, Taxon.class);
 488                 Pager<TypeDesignationBase> p = nameService.getTypeDesignations(tb.getName(), null, null, null, TYPEDESIGNATION_INIT_STRATEGY);
 489                 return p.getRecords();
 490         }
 491
 492         /**
 493      * Get the list of {@link TaxonDescription}s of the
 494          * {@link Taxon} instance identified by the <code>{taxon-uuid}</code>.
 495          * <p>
 496          * URI: <b>&#x002F;{datasource-name}&#x002F;portal&#x002F;taxon&#x002F;{taxon-uuid}&#x002F;descriptions</b>
 497          *
 498          * @param request
 499          * @param response
 500          * @return a List of {@link TaxonDescription} entities which are initialized
 501          *         using the following initialization strategy:
 502          *         {@link #TAXONDESCRIPTION_INIT_STRATEGY}
 503          * @throws IOException
 504          */
 505         @RequestMapping(
 506                         value = {"/*/portal/taxon/*/descriptions"},
 507                         method = RequestMethod.GET)
 508         public List<TaxonDescription> doGetDescriptions(HttpServletRequest request, HttpServletResponse response)throws IOException {
 509                 logger.info("doGetDescriptions()" + request.getServletPath());
 510                 Taxon t = getCdmBase(request, response, null, Taxon.class);
 511                 Pager<TaxonDescription> p = descriptionService.getTaxonDescriptions(t, null, null, null, null,
 512                         TAXONDESCRIPTION_INIT_STRATEGY);
 513                 return p.getRecords();
 514         }
 515
 516         /**
 517          * Get the {@link Media} attached to the {@link Taxon} instance
 518          * identified by the <code>{taxon-uuid}</code>.
 519          *
 520          * Usage &#x002F;{datasource-name}&#x002F;portal&#x002F;taxon&#x002F;{taxon-
 521          * uuid}&#x002F;media&#x002F;{mime type
 522          * list}&#x002F;{size}[,[widthOrDuration}][,{height}]&#x002F;
 523          *
 524          * Whereas
 525          * <ul>
 526          * <li><b>{mime type list}</b>: a comma separated list of mime types, in the
 527          * order of preference. The forward slashes contained in the mime types must
 528          * be replaced by a colon. Regular expressions can be used. Each media
 529          * associated with this given taxon is being searched whereas the first
 530          * matching mime type matching a representation always rules.</li>
 531          * <li><b>{size},{widthOrDuration},{height}</b>: <i>not jet implemented</i>
 532          * valid values are an integer or the asterisk '*' as a wildcard</li>
 533          * </ul>
 534          *
 535          * @param request
 536          * @param response
 537          * @return a List of {@link Media} entities which are initialized
 538          *         using the following initialization strategy:
 539          *         {@link #TAXONDESCRIPTION_INIT_STRATEGY}
 540          * @throws IOException
 541          */
 542         @RequestMapping(
 543                 value = {"/*/portal/taxon/*/media/*/*"},
 544                 method = RequestMethod.GET)
 545         public List<Media> doGetMedia(HttpServletRequest request, HttpServletResponse response)throws IOException {
 546                 logger.info("doGetMedia()" + request.getServletPath());
 547                 Taxon t = getCdmBase(request, response, null, Taxon.class);
 548                 Pager<TaxonDescription> p =
 549                         descriptionService.getTaxonDescriptions(t, null, null, null, null, TAXONDESCRIPTION_INIT_STRATEGY);
 550
 551                 // pars the media and quality parameters
 552
 553
 554                 // collect all media of the given taxon
 555                 boolean limitToGalleries = false;
 556                 List<Media> taxonMedia = new ArrayList<Media>();
 557                 for(TaxonDescription desc : p.getRecords()){
 558                         if(!limitToGalleries || desc.isImageGallery()){
 559                                 for(DescriptionElementBase element : desc.getElements()){
 560                                         for(Media media : element.getMedia()){
 561                                                 taxonMedia.add(media);
 562                                         }
 563                                 }
 564                         }
 565                 }
 566
 567                 // move into media ...
 568
 569                 // find best matching representations of each media
 570                 String path = request.getServletPath();
 571                 String[] pathTokens = path.split("/");
 572                 String[] mimeTypes = pathTokens[6].split(",");
 573                 String[] sizeTokens = pathTokens[7].split(",");
 574                 Integer widthOrDuration = null;
 575                 Integer height = null;
 576                 Integer size = null;
 577
 578                 for(int i=0; i<mimeTypes.length; i++){
 579                         mimeTypes[i] = mimeTypes[i].replace(':', '/');
 580                 }
 581
 582                 if(sizeTokens.length > 0){
 583                         try {
 584                                 size = Integer.valueOf(sizeTokens[0]);
 585                         } catch (NumberFormatException nfe) {
 586                                 /* IGNORE */
 587                         }
 588                 }
 589                 if(sizeTokens.length > 1){
 590                         try {
 591                                 widthOrDuration = Integer.valueOf(sizeTokens[1]);
 592                         } catch (NumberFormatException nfe) {
 593                                 /* IGNORE */
 594                         }
 595                 }
 596                 if(sizeTokens.length > 2){
 597                         try {
 598                                 height = Integer.valueOf(sizeTokens[2]);
 599                         } catch (NumberFormatException nfe) {
 600                                 /* IGNORE */
 601                         }
 602                 }
 603
 604                 List<Media> returnMedia = new ArrayList<Media>(taxonMedia.size());
 605                 for(Media media : taxonMedia){
 606                         SortedMap<String, MediaRepresentation> prefRepresentations
 607                                 = orderMediaRepresentations(media, mimeTypes, size, widthOrDuration, height);
 608                         try {
 609                                 // take first one and remove all other representations
 610                                 MediaRepresentation prefOne = prefRepresentations.get(prefRepresentations.firstKey());
 611                                 for (MediaRepresentation representation : media.getRepresentations()) {
 612                                         if (representation != prefOne) {
 613                                                 media.removeRepresentation(representation);
 614                                         }
 615                                 }
 616                                 returnMedia.add(media);
 617                         } catch (NoSuchElementException nse) {
 618                                 /* IGNORE */
 619                         }
 620                 }
 621
 622                 return returnMedia;
 623         }
 624
 625         /**
 626          * @param media
 627          * @param mimeTypeRegexes
 628          * @param size
 629          * @param widthOrDuration
 630          * @param height
 631          * @return
 632          *
 633          * TODO move into a media utils class
 634          * TODO implement the quality filter
 635          */
 636         private SortedMap<String, MediaRepresentation> orderMediaRepresentations(Media media, String[] mimeTypeRegexes,
 637                         Integer size, Integer widthOrDuration, Integer height) {
 638                 SortedMap<String, MediaRepresentation> prefRepr = new TreeMap<String, MediaRepresentation>();
 639                 for (String mimeTypeRegex : mimeTypeRegexes) {
 640                         // getRepresentationByMimeType
 641                         Pattern mimeTypePattern = Pattern.compile(mimeTypeRegex);
 642                         int representationCnt = 0;
 643                         for (MediaRepresentation representation : media.getRepresentations()) {
 644                                 Matcher mather = mimeTypePattern.matcher(representation.getMimeType());
 645                                 if (mather.matches()) {
 646                                         int dwa = 0;
 647
 648                                         /* TODO the quality filter part is being skipped
 649                                          * // look for representation with the best matching parts
 650                                         for (MediaRepresentationPart part : representation.getParts()) {
 651                                                 if (part instanceof ImageFile) {
 652                                                         ImageFile image = (ImageFile) part;
 653                                                         int dw = image.getWidth() * image.getHeight() - height * widthOrDuration;
 654                                                         if (dw < 0) {
 655                                                                 dw *= -1;
 656                                                         }
 657                                                         dwa += dw;
 658                                                 }
 659                                                 dwa = (representation.getParts().size() > 0 ? dwa / representation.getParts().size() : 0);
 660                                         }*/
 661                                         prefRepr.put((dwa + representationCnt++) + '_' + representation.getMimeType(), representation);
 662
 663                                         // preferred mime type found => end loop
 664                                         break;
 665                                 }
 666                         }
 667                 }
 668                 return prefRepr;
 669         }
 670
 671 // ---------------------- code snippet preserved for possible later use --------------------
 672 //      @RequestMapping(
 673 //                      value = {"/*/portal/taxon/*/descriptions"},
 674 //                      method = RequestMethod.GET)
 675 //      public List<TaxonDescription> doGetDescriptionsbyFeatureTree(HttpServletRequest request, HttpServletResponse response)throws IOException {
 676 //              TaxonBase tb = getCdmBase(request, response, null, Taxon.class);
 677 //              if(tb instanceof Taxon){
 678 //                      //T O D O this is a quick and dirty implementation -> generalize
 679 //                      UUID featureTreeUuid = readValueUuid(request, featureTreeUuidPattern);
 680 //
 681 //                      FeatureTree featureTree = descriptionService.getFeatureTreeByUuid(featureTreeUuid);
 682 //                      Pager<TaxonDescription> p = descriptionService.getTaxonDescriptions((Taxon)tb, null, null, null, null, TAXONDESCRIPTION_INIT_STRATEGY);
 683 //                      List<TaxonDescription> descriptions = p.getRecords();
 684 //
 685 //                      if(!featureTree.isDescriptionSeparated()){
 686 //
 687 //                              TaxonDescription superDescription = TaxonDescription.NewInstance();
 688 //                              //put all descriptionElements in superDescription and make it invisible
 689 //                              for(TaxonDescription description: descriptions){
 690 //                                      for(DescriptionElementBase element: description.getElements()){
 691 //                                              superDescription.addElement(element);
 692 //                                      }
 693 //                              }
 694 //                              List<TaxonDescription> separatedDescriptions = new ArrayList<TaxonDescription>(descriptions.size());
 695 //                              separatedDescriptions.add(superDescription);
 696 //                              return separatedDescriptions;
 697 //                      }else{
 698 //                              return descriptions;
 699 //                      }
 700 //              } else {
 701 //                      response.sendError(HttpServletResponse.SC_NOT_FOUND, "invalid type; Taxon expected but " + tb.getClass().getSimpleName() + " found.");
 702 //                      return null;
 703 //              }
 704 //      }
 705
 706 }