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- /*
- * SonarQube
- * Copyright (C) 2009-2019 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.scan.filesystem;
-
- import com.google.common.annotations.VisibleForTesting;
- import java.io.InputStream;
- import java.nio.charset.Charset;
- import org.sonar.api.batch.fs.InputFile.Type;
- import org.sonar.api.batch.fs.internal.DefaultInputFile;
- import org.sonar.api.batch.fs.internal.FileMetadata;
- import org.sonar.api.batch.fs.internal.Metadata;
- import org.sonar.api.utils.log.Logger;
- import org.sonar.api.utils.log.Loggers;
- import org.sonar.scanner.issue.ignore.scanner.IssueExclusionsLoader;
-
- public class MetadataGenerator {
- private static final Logger LOG = Loggers.get(MetadataGenerator.class);
- @VisibleForTesting
- static final Charset UTF_32BE = Charset.forName("UTF-32BE");
-
- @VisibleForTesting
- static final Charset UTF_32LE = Charset.forName("UTF-32LE");
-
- private final StatusDetection statusDetection;
- private final FileMetadata fileMetadata;
- private final IssueExclusionsLoader exclusionsScanner;
-
- public MetadataGenerator(StatusDetection statusDetection, FileMetadata fileMetadata, IssueExclusionsLoader exclusionsScanner) {
- this.statusDetection = statusDetection;
- this.fileMetadata = fileMetadata;
- this.exclusionsScanner = exclusionsScanner;
- }
-
- /**
- * Sets all metadata in the file, including charset and status.
- * It is an expensive computation, reading the entire file.
- */
- public void setMetadata(String moduleKeyWithBranch, final DefaultInputFile inputFile, Charset defaultEncoding) {
- CharsetDetector charsetDetector = new CharsetDetector(inputFile.path(), defaultEncoding);
- try {
- Charset charset;
- if (charsetDetector.run()) {
- charset = charsetDetector.charset();
- } else {
- LOG.debug("Failed to detect a valid charset for file '{}'. Using default charset.", inputFile);
- charset = defaultEncoding;
- }
- InputStream is = charsetDetector.inputStream();
- inputFile.setCharset(charset);
- Metadata metadata = fileMetadata.readMetadata(is, charset, inputFile.absolutePath(), exclusionsScanner.createCharHandlerFor(inputFile.key()));
- inputFile.setMetadata(metadata);
- inputFile.setStatus(statusDetection.status(moduleKeyWithBranch, inputFile, metadata.hash()));
- LOG.debug("'{}' generated metadata{} with charset '{}'", inputFile, inputFile.type() == Type.TEST ? " as test " : "", charset);
- } catch (Exception e) {
- throw new IllegalStateException(e);
- }
- }
-
- }
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