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/*
 * SonarQube Java
 * Copyright (C) 2012-2024 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 Sonar Source-Available License Version 1, as published by SonarSource SA.
 *
 * 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 Sonar Source-Available License for more details.
 *
 * You should have received a copy of the Sonar Source-Available License
 * along with this program; if not, see https://sonarsource.com/license/ssal/
 */
package org.sonar.java.checks;

import org.sonar.check.Rule;
import org.sonar.plugins.java.api.JavaFileScanner;
import org.sonar.plugins.java.api.JavaFileScannerContext;
import org.sonar.plugins.java.api.tree.CompilationUnitTree;
import org.sonarsource.analyzer.commons.annotations.DeprecatedRuleKey;

@DeprecatedRuleKey(ruleKey = "EmptyFile", repositoryKey = "squid")
@Rule(key = "S2309")
public final class EmptyFileCheck implements JavaFileScanner {

  @Override
  public void scanFile(JavaFileScannerContext context) {
    if (context.fileParsed()) {
      CompilationUnitTree cut = context.getTree();
      if (cut.moduleDeclaration() == null && cut.packageDeclaration() == null && cut.types().isEmpty()) {
        context.addIssueOnFile(this, "This file has 0 lines of code.");
      }
    }
  }

}