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   1 /*
   2  * SonarQube
   3  * Copyright (C) 2009-2024 SonarSource SA
   4  * mailto:info AT sonarsource DOT com
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 3 of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19  */
  20 package org.sonar.ce.task.projectanalysis.batch;
  21
  22 import java.io.File;
  23 import java.io.IOException;
  24 import java.io.InputStream;
  25 import java.io.InputStreamReader;
  26 import java.util.NoSuchElementException;
  27 import java.util.Optional;
  28 import javax.annotation.CheckForNull;
  29 import org.apache.commons.io.FileUtils;
  30 import org.apache.commons.io.IOUtils;
  31 import org.apache.commons.io.LineIterator;
  32 import org.sonar.core.util.CloseableIterator;
  33 import org.sonar.core.util.LineReaderIterator;
  34 import org.sonar.scanner.protocol.output.FileStructure;
  35 import org.sonar.scanner.protocol.output.ScannerReport;
  36 import org.sonar.scanner.protocol.output.ScannerReport.LineSgnificantCode;
  37 import org.sonar.scanner.protocol.output.ScannerReportReader;
  38
  39 import static java.nio.charset.StandardCharsets.UTF_8;
  40
  41 public class BatchReportReaderImpl implements BatchReportReader {
  42
  43   private final BatchReportDirectoryHolder batchReportDirectoryHolder;
  44   private ScannerReportReader delegate;
  45   // caching of metadata which are read often
  46   private ScannerReport.Metadata metadata;
  47
  48   public BatchReportReaderImpl(BatchReportDirectoryHolder batchReportDirectoryHolder) {
  49     this.batchReportDirectoryHolder = batchReportDirectoryHolder;
  50   }
  51
  52   private void ensureInitialized() {
  53     if (this.delegate == null) {
  54       FileStructure fileStructure = new FileStructure(batchReportDirectoryHolder.getDirectory());
  55       this.delegate = new ScannerReportReader(fileStructure);
  56     }
  57   }
  58
  59   @Override
  60   public ScannerReport.Metadata readMetadata() {
  61     ensureInitialized();
  62     if (this.metadata == null) {
  63       this.metadata = delegate.readMetadata();
  64     }
  65     return this.metadata;
  66   }
  67
  68   @CheckForNull
  69   @Override
  70   public InputStream getAnalysisCache() {
  71     ensureInitialized();
  72     return delegate.getAnalysisCache();
  73   }
  74
  75   @Override
  76   public CloseableIterator<String> readScannerLogs() {
  77     ensureInitialized();
  78     File file = delegate.getFileStructure().analysisLog();
  79     if (!file.exists()) {
  80       return CloseableIterator.emptyCloseableIterator();
  81     }
  82     try {
  83       InputStreamReader reader = new InputStreamReader(FileUtils.openInputStream(file), UTF_8);
  84       return new LineReaderIterator(reader);
  85     } catch (IOException e) {
  86       throw new IllegalStateException("Fail to open file " + file, e);
  87     }
  88   }
  89
  90   @Override
  91   public CloseableIterator<ScannerReport.ActiveRule> readActiveRules() {
  92     ensureInitialized();
  93     return delegate.readActiveRules();
  94   }
  95
  96   @Override
  97   public CloseableIterator<ScannerReport.AdHocRule> readAdHocRules() {
  98     ensureInitialized();
  99     return delegate.readAdHocRules();
 100   }
 101
 102   @Override
 103   public CloseableIterator<ScannerReport.Measure> readComponentMeasures(int componentRef) {
 104     ensureInitialized();
 105     return delegate.readComponentMeasures(componentRef);
 106   }
 107
 108   @Override
 109   @CheckForNull
 110   public ScannerReport.Changesets readChangesets(int componentRef) {
 111     ensureInitialized();
 112     return delegate.readChangesets(componentRef);
 113   }
 114
 115   @Override
 116   public ScannerReport.Component readComponent(int componentRef) {
 117     ensureInitialized();
 118     return delegate.readComponent(componentRef);
 119   }
 120
 121   @Override
 122   public CloseableIterator<ScannerReport.Issue> readComponentIssues(int componentRef) {
 123     ensureInitialized();
 124     return delegate.readComponentIssues(componentRef);
 125   }
 126
 127   @Override
 128   public CloseableIterator<ScannerReport.ExternalIssue> readComponentExternalIssues(int componentRef) {
 129     ensureInitialized();
 130     return delegate.readComponentExternalIssues(componentRef);
 131   }
 132
 133   @Override
 134   public CloseableIterator<ScannerReport.Duplication> readComponentDuplications(int componentRef) {
 135     ensureInitialized();
 136     return delegate.readComponentDuplications(componentRef);
 137   }
 138
 139   @Override
 140   public CloseableIterator<ScannerReport.CpdTextBlock> readCpdTextBlocks(int componentRef) {
 141     ensureInitialized();
 142     return delegate.readCpdTextBlocks(componentRef);
 143   }
 144
 145   @Override
 146   public CloseableIterator<ScannerReport.Symbol> readComponentSymbols(int componentRef) {
 147     ensureInitialized();
 148     return delegate.readComponentSymbols(componentRef);
 149   }
 150
 151   @Override
 152   public CloseableIterator<ScannerReport.SyntaxHighlightingRule> readComponentSyntaxHighlighting(int fileRef) {
 153     ensureInitialized();
 154     return delegate.readComponentSyntaxHighlighting(fileRef);
 155   }
 156
 157   @Override
 158   public CloseableIterator<ScannerReport.LineCoverage> readComponentCoverage(int fileRef) {
 159     ensureInitialized();
 160     return delegate.readComponentCoverage(fileRef);
 161   }
 162
 163   @Override
 164   public Optional<CloseableIterator<String>> readFileSource(int fileRef) {
 165     ensureInitialized();
 166     File file = delegate.readFileSource(fileRef);
 167     if (file == null) {
 168       return Optional.empty();
 169     }
 170
 171     try {
 172       return Optional.of(new CloseableLineIterator(IOUtils.lineIterator(FileUtils.openInputStream(file), UTF_8)));
 173     } catch (IOException e) {
 174       throw new IllegalStateException("Fail to traverse file: " + file, e);
 175     }
 176   }
 177
 178   private static class CloseableLineIterator extends CloseableIterator<String> {
 179     private final LineIterator lineIterator;
 180
 181     public CloseableLineIterator(LineIterator lineIterator) {
 182       this.lineIterator = lineIterator;
 183     }
 184
 185     @Override
 186     public boolean hasNext() {
 187       return lineIterator.hasNext();
 188     }
 189
 190     @Override
 191     public String next() {
 192       return lineIterator.next();
 193     }
 194
 195     @Override
 196     protected String doNext() {
 197       // never called anyway
 198       throw new NoSuchElementException("Empty closeable Iterator has no element");
 199     }
 200
 201     @Override
 202     protected void doClose() throws IOException {
 203       lineIterator.close();
 204     }
 205   }
 206
 207   @Override
 208   public CloseableIterator<ScannerReport.ContextProperty> readContextProperties() {
 209     ensureInitialized();
 210     return delegate.readContextProperties();
 211   }
 212
 213   @Override
 214   public Optional<CloseableIterator<LineSgnificantCode>> readComponentSignificantCode(int fileRef) {
 215     ensureInitialized();
 216     return Optional.ofNullable(delegate.readComponentSignificantCode(fileRef));
 217   }
 218
 219   @Override
 220   public Optional<ScannerReport.ChangedLines> readComponentChangedLines(int fileRef) {
 221     ensureInitialized();
 222     return Optional.ofNullable(delegate.readComponentChangedLines(fileRef));
 223   }
 224
 225   @Override
 226   public CloseableIterator<ScannerReport.AnalysisWarning> readAnalysisWarnings() {
 227     ensureInitialized();
 228     return delegate.readAnalysisWarnings();
 229   }
 230 }