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

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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.java.checks.methods.AbstractMethodDetection;
import org.sonar.plugins.java.api.semantic.MethodMatchers;
import org.sonar.plugins.java.api.tree.MethodInvocationTree;

@Rule(key = "S6923")
public class UseMotionSensorWithoutGyroscopeCheck extends AbstractMethodDetection {
  private static final String MESSAGE = "Replace `TYPE_ROTATION_VECTOR` (11) with `TYPE_GEOMAGNETIC_ROTATION_VECTOR` (20) to optimize battery life.";
  private static final int TYPE_ROTATION_VECTOR = 11;
  private static final MethodMatchers GET_DEFAULT_SENSOR_MATCHER = MethodMatchers.create()
    .ofTypes("android.hardware.SensorManager")
    .names("getDefaultSensor")
    .withAnyParameters()
    .build();

  @Override
  protected MethodMatchers getMethodInvocationMatchers() {
    return GET_DEFAULT_SENSOR_MATCHER;
  }

  @Override
  protected void onMethodInvocationFound(MethodInvocationTree mit) {
    mit.arguments().get(0)
      .asConstant(Integer.class)
      .filter(argValue -> argValue == TYPE_ROTATION_VECTOR)
      .ifPresent(unused -> reportIssue(mit, MESSAGE));
  }
}