org.sonar.java.se.checks.ConditionAlwaysTrueOrFalseCheck Maven / Gradle / Ivy
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/*
* SonarQube Java
* Copyright (C) 2012-2016 SonarSource SA
* mailto:contact 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.java.se.checks;
import com.google.common.collect.Sets;
import org.sonar.api.server.rule.RulesDefinition;
import org.sonar.check.Priority;
import org.sonar.check.Rule;
import org.sonar.java.se.CheckerContext;
import org.sonar.plugins.java.api.tree.Tree;
import org.sonar.squidbridge.annotations.ActivatedByDefault;
import org.sonar.squidbridge.annotations.SqaleConstantRemediation;
import org.sonar.squidbridge.annotations.SqaleSubCharacteristic;
import java.util.Set;
@Rule(
key = "S2583",
name = "Conditions should not unconditionally evaluate to \"TRUE\" or to \"FALSE\"",
priority = Priority.BLOCKER,
tags = {"bug", "cwe", "misra"})
@ActivatedByDefault
@SqaleSubCharacteristic(RulesDefinition.SubCharacteristics.LOGIC_RELIABILITY)
@SqaleConstantRemediation("15min")
public class ConditionAlwaysTrueOrFalseCheck extends SECheck {
private final Set evaluatedToFalse = Sets.newHashSet();
private final Set evaluatedToTrue = Sets.newHashSet();
@Override
public void init() {
evaluatedToFalse.clear();
evaluatedToTrue.clear();
}
@Override
public void checkEndOfExecution(CheckerContext context) {
for (Tree condition : Sets.difference(evaluatedToFalse, evaluatedToTrue)) {
context.reportIssue(condition, this, "Change this condition so that it does not always evaluate to \"false\"");
}
for (Tree condition : Sets.difference(evaluatedToTrue, evaluatedToFalse)) {
context.reportIssue(condition, this, "Change this condition so that it does not always evaluate to \"true\"");
}
}
public void evaluatedToFalse(Tree condition) {
evaluatedToFalse.add(condition);
}
public void evaluatedToTrue(Tree condition) {
evaluatedToTrue.add(condition);
}
}