Java tutorial
/* * Copyright 2013-2015 the original author or authors. * * Licensed 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 com.expedia.seiso.web.controller.v1; import lombok.val; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.domain.Pageable; import org.springframework.data.domain.Sort.Direction; import org.springframework.data.web.PageableDefault; import org.springframework.http.HttpEntity; import org.springframework.http.MediaType; import org.springframework.util.MultiValueMap; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.RestController; import com.expedia.seiso.core.ann.Projection; import com.expedia.seiso.core.util.C; import com.expedia.seiso.domain.meta.ItemMetaLookup; import com.expedia.seiso.web.ApiVersion; import com.expedia.seiso.web.controller.delegate.RepoSearchDelegate; import com.expedia.seiso.web.hateoas.PagedResources; import com.expedia.seiso.web.hateoas.Resource; import com.expedia.seiso.web.hateoas.Resources; /** * @author Willie Wheeler */ @RestController @RequestMapping("/v1") public class RepoSearchControllerV1 { @Autowired private ItemMetaLookup itemMetaLookup; @Autowired private RepoSearchDelegate delegate; @Autowired private ResponseHeadersV1 responseHeaders; // FIXME This makes "search" a reserved word across all repo types. That's no good. [WLW] @RequestMapping(value = "/{repoKey}/search", method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_VALUE) public Resource getRepoSearchList(@PathVariable String repoKey) { return delegate.getRepoSearchList(ApiVersion.V1, repoKey); } @RequestMapping(value = "/{repoKey}/search/{search}", method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_VALUE) public HttpEntity<Object> repoSearch(@PathVariable String repoKey, @PathVariable String search, @RequestParam(defaultValue = Projection.DEFAULT) String view, @PageableDefault(page = C.DEFAULT_PAGE_NUMBER, size = C.DEFAULT_PAGE_SIZE, direction = Direction.ASC) Pageable pageable, @RequestParam MultiValueMap<String, String> params) { val result = delegate.repoSearch(ApiVersion.V1, repoKey, search, view, pageable, params); val resultType = result.getClass(); if (PagedResources.class.isAssignableFrom(resultType)) { val pagedResources = (PagedResources) result; val headers = responseHeaders.buildResponseHeaders(pagedResources); return new HttpEntity<>(pagedResources, headers); } else if (Resources.class.isAssignableFrom(resultType)) { val resources = (Resources) result; return new HttpEntity<>(resources); } else { // We *could* just wrap the result with an HttpEntity and return it, but we're not expecting any such // responses, so safer to simply whitelist the result types. (That way we don't have to commit to supporting // them.) If later we have searches that return a single value or whatever, then we can handle those. [WLW] throw new UnsupportedOperationException( "Don't know how to handle repo search result of type " + resultType.getName()); } } }