mirror of
https://github.com/scm-manager/scm-manager.git
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74 lines
2.7 KiB
Java
74 lines
2.7 KiB
Java
/*
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* MIT License
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*
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* Copyright (c) 2020-present Cloudogu GmbH and Contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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package sonia.scm.admin;
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import com.google.common.base.Strings;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import sonia.scm.net.ahc.AdvancedHttpClient;
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import sonia.scm.version.Version;
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import javax.inject.Inject;
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import java.io.IOException;
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import java.util.Comparator;
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import java.util.Optional;
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public class ReleaseFeedParser {
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private static final Logger LOG = LoggerFactory.getLogger(ReleaseFeedParser.class);
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private final AdvancedHttpClient client;
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@Inject
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public ReleaseFeedParser(AdvancedHttpClient client) {
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this.client = client;
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}
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Optional<UpdateInfo> findLatestRelease(String url) {
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LOG.info("Search for newer versions of SCM-Manager");
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Optional<ReleaseFeedDto.Release> latestRelease = parseLatestReleaseFromRssFeed(url);
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return latestRelease.map(release -> new UpdateInfo(release.getTitle(), release.getLink()));
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}
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private Optional<ReleaseFeedDto.Release> parseLatestReleaseFromRssFeed(String url) {
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try {
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if (Strings.isNullOrEmpty(url)) {
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return Optional.empty();
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}
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ReleaseFeedDto releaseFeed = client.get(url).request().contentFromXml(ReleaseFeedDto.class);
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return filterForLatestRelease(releaseFeed);
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} catch (IOException e) {
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LOG.error("Could not parse release feed from {}", url, e);
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return Optional.empty();
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}
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}
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private Optional<ReleaseFeedDto.Release> filterForLatestRelease(ReleaseFeedDto releaseFeed) {
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return releaseFeed.getChannel().getReleases()
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.stream()
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.min(Comparator.comparing(release -> Version.parse(release.getTitle().trim())));
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}
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}
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