Java tutorial
/** * Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies * * Please see distribution for license. */ package com.opengamma.web.holiday; import java.net.URI; import java.util.Iterator; import java.util.List; import javax.ws.rs.GET; import javax.ws.rs.Path; import javax.ws.rs.PathParam; import javax.ws.rs.Produces; import javax.ws.rs.QueryParam; import javax.ws.rs.core.Context; import javax.ws.rs.core.MediaType; import javax.ws.rs.core.MultivaluedMap; import javax.ws.rs.core.UriBuilder; import javax.ws.rs.core.UriInfo; import org.apache.commons.lang.StringUtils; import org.joda.beans.impl.flexi.FlexiBean; import com.opengamma.DataNotFoundException; import com.opengamma.core.holiday.HolidayType; import com.opengamma.id.ExternalId; import com.opengamma.id.ExternalIdBundle; import com.opengamma.id.ObjectId; import com.opengamma.id.UniqueId; import com.opengamma.master.holiday.HolidayDocument; import com.opengamma.master.holiday.HolidayHistoryRequest; import com.opengamma.master.holiday.HolidayHistoryResult; import com.opengamma.master.holiday.HolidayMaster; import com.opengamma.master.holiday.HolidayMetaDataRequest; import com.opengamma.master.holiday.HolidayMetaDataResult; import com.opengamma.master.holiday.HolidaySearchRequest; import com.opengamma.master.holiday.HolidaySearchResult; import com.opengamma.master.holiday.HolidaySearchSortOrder; import com.opengamma.util.money.Currency; import com.opengamma.util.paging.PagingRequest; import com.opengamma.web.WebPaging; /** * RESTful resource for all holidays. * <p> * The holidays resource represents the whole of a holiday master. */ @Path("/holidays") public class WebHolidaysResource extends AbstractWebHolidayResource { /** * Creates the resource. * @param holidayMaster the holiday master, not null */ public WebHolidaysResource(final HolidayMaster holidayMaster) { super(holidayMaster); } //------------------------------------------------------------------------- @GET @Produces(MediaType.TEXT_HTML) public String getHTML(@QueryParam("pgIdx") Integer pgIdx, @QueryParam("pgNum") Integer pgNum, @QueryParam("pgSze") Integer pgSze, @QueryParam("sort") String sort, @QueryParam("name") String name, @QueryParam("type") String type, @QueryParam("currency") String currencyISO, @QueryParam("holidayId") List<String> holidayIdStrs, @Context UriInfo uriInfo) { PagingRequest pr = buildPagingRequest(pgIdx, pgNum, pgSze); HolidaySearchSortOrder so = buildSortOrder(sort, HolidaySearchSortOrder.NAME_ASC); FlexiBean out = createSearchResultData(pr, so, name, type, currencyISO, holidayIdStrs, uriInfo); return getFreemarker().build(HTML_DIR + "holidays.ftl", out); } @GET @Produces(MediaType.APPLICATION_JSON) public String getJSON(@QueryParam("pgIdx") Integer pgIdx, @QueryParam("pgNum") Integer pgNum, @QueryParam("pgSze") Integer pgSze, @QueryParam("sort") String sort, @QueryParam("name") String name, @QueryParam("type") String type, @QueryParam("currency") String currencyISO, @QueryParam("holidayId") List<String> holidayIdStrs, @Context UriInfo uriInfo) { PagingRequest pr = buildPagingRequest(pgIdx, pgNum, pgSze); HolidaySearchSortOrder so = buildSortOrder(sort, HolidaySearchSortOrder.NAME_ASC); FlexiBean out = createSearchResultData(pr, so, name, type, currencyISO, holidayIdStrs, uriInfo); return getFreemarker().build(JSON_DIR + "holidays.ftl", out); } private FlexiBean createSearchResultData(PagingRequest pr, HolidaySearchSortOrder sort, String name, String type, String currencyISO, List<String> holidayIdStrs, UriInfo uriInfo) { FlexiBean out = createRootData(); HolidaySearchRequest searchRequest = new HolidaySearchRequest(); searchRequest.setPagingRequest(pr); searchRequest.setSortOrder(sort); searchRequest.setName(StringUtils.trimToNull(name)); if (StringUtils.isNotEmpty(type)) { searchRequest.setType(HolidayType.valueOf(type)); } if (currencyISO != null) { searchRequest.setCurrency(Currency.of(currencyISO)); } MultivaluedMap<String, String> query = uriInfo.getQueryParameters(); for (int i = 0; query.containsKey("idscheme." + i) && query.containsKey("idvalue." + i); i++) { ExternalId id = ExternalId.of(query.getFirst("idscheme." + i), query.getFirst("idvalue." + i)); if (HolidayType.BANK.name().equals(type)) { searchRequest.addRegionExternalId(id); } else { // assume settlement/trading searchRequest.addExchangeExternalId(id); } } for (String holidayIdStr : holidayIdStrs) { searchRequest.addHolidayObjectId(ObjectId.parse(holidayIdStr)); } out.put("searchRequest", searchRequest); if (data().getUriInfo().getQueryParameters().size() > 0) { HolidaySearchResult searchResult = data().getHolidayMaster().search(searchRequest); out.put("searchResult", searchResult); out.put("paging", new WebPaging(searchResult.getPaging(), uriInfo)); } return out; } //------------------------------------------------------------------------- @GET @Path("metaData") @Produces(MediaType.APPLICATION_JSON) public String getMetaDataJSON() { FlexiBean out = createRootData(); return getFreemarker().build("holidays/jsonmetadata.ftl", out); } //------------------------------------------------------------------------- @Path("{holidayId}") public WebHolidayResource findHoliday(@PathParam("holidayId") String idStr) { data().setUriHolidayId(idStr); UniqueId oid = UniqueId.parse(idStr); try { HolidayDocument doc = data().getHolidayMaster().get(oid); data().setHoliday(doc); } catch (DataNotFoundException ex) { HolidayHistoryRequest historyRequest = new HolidayHistoryRequest(oid); historyRequest.setPagingRequest(PagingRequest.ONE); HolidayHistoryResult historyResult = data().getHolidayMaster().history(historyRequest); if (historyResult.getDocuments().size() == 0) { return null; } data().setHoliday(historyResult.getFirstDocument()); } return new WebHolidayResource(this); } //------------------------------------------------------------------------- /** * Creates the output root data. * @return the output root data, not null */ protected FlexiBean createRootData() { FlexiBean out = super.createRootData(); HolidaySearchRequest searchRequest = new HolidaySearchRequest(); out.put("searchRequest", searchRequest); HolidayMetaDataResult metaData = data().getHolidayMaster().metaData(new HolidayMetaDataRequest()); out.put("holidayTypes", metaData.getHolidayTypes()); return out; } //------------------------------------------------------------------------- /** * Builds a URI for holidays. * @param data the data, not null * @return the URI, not null */ public static URI uri(WebHolidayData data) { return uri(data, null, null); } /** * Builds a URI for holidays. * @param data the data, not null * @param type the holiday type, may be null * @param identifiers the identifiers to search for, may be null * @return the URI, not null */ public static URI uri(WebHolidayData data, HolidayType type, ExternalIdBundle identifiers) { UriBuilder builder = data.getUriInfo().getBaseUriBuilder().path(WebHolidaysResource.class); if (type != null && identifiers != null) { builder.queryParam("type", type.name()); Iterator<ExternalId> it = identifiers.iterator(); for (int i = 0; it.hasNext(); i++) { ExternalId id = it.next(); builder.queryParam("idscheme." + i, id.getScheme().getName()); builder.queryParam("idvalue." + i, id.getValue()); } } return builder.build(); } }