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- /*
- * SonarQube
- * Copyright (C) 2009-2022 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- */
- package org.sonar.scanner.cache;
-
- import java.io.IOException;
- import java.io.InputStream;
- import java.util.Optional;
- import java.util.zip.InflaterInputStream;
- import org.sonar.api.scanner.fs.InputProject;
- import org.sonar.api.utils.MessageException;
- import org.sonar.core.util.Protobuf;
- import org.sonar.scanner.bootstrap.DefaultScannerWsClient;
- import org.sonar.scanner.protocol.internal.ScannerInternal;
- import org.sonar.scanner.protocol.internal.ScannerInternal.AnalysisCacheMsg;
- import org.sonar.scanner.scan.branch.BranchConfiguration;
- import org.sonarqube.ws.client.GetRequest;
- import org.sonarqube.ws.client.HttpException;
- import org.sonarqube.ws.client.WsResponse;
-
- /**
- * Loads plugin cache into the local storage
- */
- public class DefaultAnalysisCacheLoader implements AnalysisCacheLoader {
- static final String CONTENT_ENCODING = "Content-Encoding";
- static final String ACCEPT_ENCODING = "Accept-Encoding";
- private static final String URL = "api/analysis_cache/get";
-
- private final DefaultScannerWsClient wsClient;
- private final InputProject project;
- private final BranchConfiguration branchConfiguration;
-
- public DefaultAnalysisCacheLoader(DefaultScannerWsClient wsClient, InputProject project, BranchConfiguration branchConfiguration) {
- this.project = project;
- this.branchConfiguration = branchConfiguration;
- this.wsClient = wsClient;
- }
-
- @Override public Optional<AnalysisCacheMsg> load() {
- String url = URL + "?project=" + project.key();
- if (branchConfiguration.referenceBranchName() != null) {
- url = url + "&branch=" + branchConfiguration.referenceBranchName();
- }
-
- GetRequest request = new GetRequest(url).setHeader(ACCEPT_ENCODING, "gzip");
-
- try (WsResponse response = wsClient.call(request); InputStream is = response.contentStream()) {
- Optional<String> contentEncoding = response.header(CONTENT_ENCODING);
- if (contentEncoding.isPresent() && contentEncoding.get().equals("gzip")) {
- return Optional.of(decompress(is));
- } else {
- return Optional.of(Protobuf.read(is, AnalysisCacheMsg.parser()));
- }
- } catch (HttpException e) {
- if (e.code() == 404) {
- return Optional.empty();
- }
- throw MessageException.of("Failed to download analysis cache: " + DefaultScannerWsClient.createErrorMessage(e));
- } catch (Exception e) {
- throw new IllegalStateException("Failed to download analysis cache", e);
- }
- }
-
- private static AnalysisCacheMsg decompress(InputStream is) {
- try (InflaterInputStream iis = new InflaterInputStream(is)) {
- return Protobuf.read(iis, ScannerInternal.AnalysisCacheMsg.parser());
- } catch (IOException e) {
- throw new IllegalStateException("Failed to decompress analysis cache", e);
- }
- }
- }
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