/*
* FindBugs - Find Bugs in Java programs
* Copyright (C) 2003-2007 University of Maryland
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package edu.umd.cs.findbugs.detect;
import edu.umd.cs.findbugs.BugInstance;
import edu.umd.cs.findbugs.BugReporter;
/**
* Methods with "Optional" return type should never return null.
*
* @author Andrey Loskutov
*/
public class OptionalReturnNull extends TypeReturnNull {
public OptionalReturnNull(BugReporter bugReporter) {
super(bugReporter);
}
@Override
protected boolean matchesReturnSignature(String returnSignature) {
return "Ljava/util/Optional;".equals(returnSignature)
|| "Lcom/google/common/base/Optional;".equals(returnSignature);
}
@Override
protected void accumulateBug() {
bugAccumulator.accumulateBug(new BugInstance(this, "NP_OPTIONAL_RETURN_NULL",
HIGH_PRIORITY).addClassAndMethod(this), this);
}
}