/*
* 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 org.sonar.java.cfg.CFG;
import org.sonar.java.se.CheckerContext;
import org.sonar.java.se.ProgramState;
import org.sonar.java.se.constraint.ConstraintManager;
import org.sonar.plugins.java.api.JavaFileScanner;
import org.sonar.plugins.java.api.JavaFileScannerContext;
import org.sonar.plugins.java.api.tree.MethodTree;
import org.sonar.plugins.java.api.tree.Tree;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public abstract class SECheck implements JavaFileScanner {
private Set<SEIssue> issues = new HashSet<>();
public void init(MethodTree methodTree, CFG cfg) {
}
public ProgramState checkPreStatement(CheckerContext context, Tree syntaxNode) {
return context.getState();
}
public ProgramState checkPostStatement(CheckerContext context, Tree syntaxNode) {
return context.getState();
}
public void checkEndOfExecution(CheckerContext context) {
// By default do nothing
}
public void checkEndOfExecutionPath(CheckerContext context, ConstraintManager constraintManager) {
// By default do nothing
}
@Override
public void scanFile(JavaFileScannerContext context) {
for (SEIssue seIssue : issues) {
context.reportIssueWithFlow(this, seIssue.getTree(), seIssue.getMessage(), seIssue.getFlows(), null);
}
issues.clear();
}
public void reportIssue(Tree tree, String message, Set<List<JavaFileScannerContext.Location>> flows) {
issues.add(issues.stream()
.filter(seIssue -> seIssue.tree.equals(tree))
.findFirst()
.map(seIssue -> {
seIssue.flows.addAll(flows);
return seIssue;
})
.orElse(new SEIssue(tree, message, flows)));
}
public void interruptedExecution(CheckerContext context) {
// By default do nothing
}
private static class SEIssue {
private final Tree tree;
private final String message;
private final Set<List<JavaFileScannerContext.Location>> flows;
public SEIssue(Tree tree, String message, Set<List<JavaFileScannerContext.Location>> flows) {
this.tree = tree;
this.message = message;
this.flows = new HashSet<>(flows);
}
public Tree getTree() {
return tree;
}
public String getMessage() {
return message;
}
public Set<List<JavaFileScannerContext.Location>> getFlows() {
return flows;
}
}
}