Java tutorial
/* * Copyright 2013 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.gopivotal.cla.web; import java.util.ArrayList; import java.util.HashSet; import java.util.List; import java.util.Set; import java.util.SortedSet; import java.util.TreeSet; import javax.servlet.http.HttpServletRequest; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.domain.Sort; import org.springframework.stereotype.Controller; import org.springframework.transaction.annotation.Transactional; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.ModelAttribute; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.RequestParam; import com.gopivotal.cla.github.GitHubClient; import com.gopivotal.cla.github.Organization; import com.gopivotal.cla.github.Repository; import com.gopivotal.cla.model.Agreement; import com.gopivotal.cla.model.LinkedRepository; import com.gopivotal.cla.repository.AgreementRepository; import com.gopivotal.cla.repository.LinkedRepositoryRepository; @Controller @RequestMapping("/repositories") final class RepositoriesController extends AbstractController { private static final String DEFAULT_SCHEME = "http"; private static final String SECURE_SCHEME = "https"; private static final String HEADER_HOST = "host"; private final GitHubClient gitHubClient; private final AgreementRepository agreementRepository; private final LinkedRepositoryRepository linkedRepositoryRepository; @Autowired RepositoriesController(GitHubClient gitHubClient, AgreementRepository agreementRepository, LinkedRepositoryRepository linkedRepositoryRepository) { super(gitHubClient); this.gitHubClient = gitHubClient; this.agreementRepository = agreementRepository; this.linkedRepositoryRepository = linkedRepositoryRepository; } @Transactional(readOnly = true) @RequestMapping(method = RequestMethod.GET, value = "") String listRepositories(Model model) { List<LinkedRepository> linkedRepositories = this.linkedRepositoryRepository.findAll(new Sort("name")); SortedSet<Repository> adminRepositories = getAdminRepositories(); List<Agreement> candidateAgreements = this.agreementRepository.findAll(new Sort("name")); model // .addAttribute("linkedRepositories", filterLinkedRepositories(linkedRepositories, adminRepositories)) // .addAttribute("candidateAgreements", candidateAgreements) // .addAttribute("candidateRepositories", filterAdminRepositories(adminRepositories, linkedRepositories)); return "repositories"; } @Transactional @RequestMapping(method = RequestMethod.POST, value = "") String createLinkedRepository(@RequestParam Agreement agreement, @RequestParam("repository") String name) { this.linkedRepositoryRepository .save(new LinkedRepository(agreement, name, this.gitHubClient.getAccessToken())); return "redirect:/repositories"; } @ModelAttribute("hrefPrefix") final String hrefPrefix(HttpServletRequest httpServletRequest) { if (httpServletRequest != null) { String scheme = getScheme(httpServletRequest); String host = httpServletRequest.getHeader(HEADER_HOST); return String.format("%s://%s", scheme, host); } return ""; } private static String getScheme(HttpServletRequest httpServletRequest) { return httpServletRequest.isSecure() ? SECURE_SCHEME : DEFAULT_SCHEME; } private SortedSet<Repository> getAdminRepositories() { SortedSet<Repository> adminRepositories = new TreeSet<>(); for (Organization organization : this.gitHubClient.getUser().getOrganizations()) { for (Repository repository : organization.getRepositories()) { if (repository.getPermissions().isAdmin()) { adminRepositories.add(repository); } } } adminRepositories.addAll(this.gitHubClient.getUser().getRepositories()); return adminRepositories; } private SortedSet<Repository> filterAdminRepositories(SortedSet<Repository> adminRepositories, List<LinkedRepository> linkedRepositories) { Set<String> linkedRepositoryNames = new HashSet<>(); for (LinkedRepository linkedRepository : linkedRepositories) { linkedRepositoryNames.add(linkedRepository.getName().toLowerCase()); } SortedSet<Repository> filteredAdminRepositories = new TreeSet<>(); for (Repository adminRepository : adminRepositories) { if (!linkedRepositoryNames.contains(adminRepository.getFullName().toLowerCase())) { filteredAdminRepositories.add(adminRepository); } } return filteredAdminRepositories; } private List<LinkedRepository> filterLinkedRepositories(List<LinkedRepository> linkedRepositories, SortedSet<Repository> adminRepositories) { Set<String> adminRepositoryNames = new HashSet<>(); for (Repository adminRepository : adminRepositories) { adminRepositoryNames.add(adminRepository.getFullName().toLowerCase()); } List<LinkedRepository> candidateRepositories = new ArrayList<>(); for (LinkedRepository linkedRepository : linkedRepositories) { if (adminRepositoryNames.contains(linkedRepository.getName().toLowerCase())) { candidateRepositories.add(linkedRepository); } } return candidateRepositories; } }