Java tutorial
/* * SonarQube * Copyright (C) 2009-2017 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 java.util.function.Predicate; import org.apache.commons.lang.StringUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.sonar.api.batch.fs.InputFile; import org.sonar.api.batch.fs.internal.DefaultInputFile; import org.sonar.scanner.repository.FileData; import org.sonar.scanner.repository.ProjectRepositories; public class SameInputFilePredicate implements Predicate<InputFile> { private static final Logger LOG = LoggerFactory.getLogger(SameInputFilePredicate.class); private final ProjectRepositories projectRepositories; private final String moduleKeyWithBranch; public SameInputFilePredicate(ProjectRepositories projectRepositories, String moduleKeyWithBranch) { this.projectRepositories = projectRepositories; this.moduleKeyWithBranch = moduleKeyWithBranch; } @Override public boolean test(InputFile inputFile) { FileData fileDataPerPath = projectRepositories.fileData(moduleKeyWithBranch, inputFile.relativePath()); if (fileDataPerPath == null) { // ADDED return true; } String previousHash = fileDataPerPath.hash(); if (StringUtils.isEmpty(previousHash)) { // ADDED return true; } // this will trigger computation of metadata String hash = ((DefaultInputFile) inputFile).hash(); if (StringUtils.equals(hash, previousHash)) { // SAME LOG.debug("'{}' filtering unmodified file", inputFile.relativePath()); return false; } // CHANGED return true; } }