org.sonar.java.checks.MissingDeprecatedCheck Maven / Gradle / Ivy

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/*
 * SonarQube Java
 * Copyright (C) 2012 SonarSource
 * [email protected]
 *
 * 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  02
 */
package org.sonar.java.checks;

import org.sonar.check.BelongsToProfile;
import org.sonar.check.Priority;
import org.sonar.check.Rule;
import org.sonar.java.ast.visitors.PublicApiChecker;
import org.sonar.plugins.java.api.tree.Tree;
import org.sonar.plugins.java.api.tree.Tree.Kind;

import java.util.Deque;
import java.util.LinkedList;

@Rule(
  key = "MissingDeprecatedCheck",
  priority = Priority.MAJOR)
@BelongsToProfile(title = "Sonar way", priority = Priority.MAJOR)
public class MissingDeprecatedCheck extends AbstractDeprecatedChecker {

  private static final Kind[] CLASS_KINDS = PublicApiChecker.classKinds();
  private static final Kind[] METHOD_KINDS = PublicApiChecker.methodKinds();

  private final Deque currentParent = new LinkedList();
  private final Deque classOrInterfaceIsDeprecated = new LinkedList();

  @Override
  public void visitNode(Tree tree) {
    boolean isLocalVar = false;
    if (tree.is(Tree.Kind.VARIABLE)) {
      isLocalVar = currentParent.peek().is(METHOD_KINDS);
    } else {
      currentParent.push(tree);
    }

    boolean hasDeprecatedAnnotation = hasDeprecatedAnnotation(tree);
    boolean hasJavadocDeprecatedTag = hasJavadocDeprecatedTag(tree);
    if (currentClassNotDeprecated() && !isLocalVar) {
      if (hasDeprecatedAnnotation && !hasJavadocDeprecatedTag) {
        addIssue(tree, "Add the missing @deprecated Javadoc tag.");
      } else if (hasJavadocDeprecatedTag && !hasDeprecatedAnnotation) {
        addIssue(tree, "Add the missing @Deprecated annotation.");
      }
    }
    if (tree.is(CLASS_KINDS)) {
      classOrInterfaceIsDeprecated.push(hasDeprecatedAnnotation || hasJavadocDeprecatedTag);
    }
  }

  private boolean currentClassNotDeprecated() {
    return classOrInterfaceIsDeprecated.isEmpty() || !classOrInterfaceIsDeprecated.peek();
  }

  @Override
  public void leaveNode(Tree tree) {
    if (!tree.is(Tree.Kind.VARIABLE)) {
      currentParent.pop();
    }
    if (tree.is(CLASS_KINDS)) {
      classOrInterfaceIsDeprecated.pop();
    }
  }

}