com.google.errorprone.bugpatterns.android.StaticOrDefaultInterfaceMethod Maven / Gradle / Ivy
/*
* Copyright 2016 The Error Prone Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.errorprone.bugpatterns.android;
import static com.google.errorprone.BugPattern.SeverityLevel.ERROR;
import static com.google.errorprone.matchers.Matchers.allOf;
import static com.google.errorprone.matchers.Matchers.anyOf;
import static com.google.errorprone.matchers.Matchers.enclosingClass;
import static com.google.errorprone.matchers.Matchers.hasModifier;
import static com.google.errorprone.matchers.Matchers.kindIs;
import static com.sun.source.tree.Tree.Kind.INTERFACE;
import static javax.lang.model.element.Modifier.DEFAULT;
import static javax.lang.model.element.Modifier.STATIC;
import com.google.errorprone.BugPattern;
import com.google.errorprone.VisitorState;
import com.google.errorprone.bugpatterns.BugChecker;
import com.google.errorprone.bugpatterns.BugChecker.MethodTreeMatcher;
import com.google.errorprone.matchers.Description;
import com.google.errorprone.matchers.Matcher;
import com.sun.source.tree.MethodTree;
import com.sun.source.tree.Tree;
/** @author [email protected] (Emily P.M. Johnston) */
@BugPattern(
name = "StaticOrDefaultInterfaceMethod",
summary =
"Static and default interface methods are not natively supported on older Android devices."
+ " ",
severity = ERROR,
documentSuppression = false // for slightly customized suppression documentation
)
public class StaticOrDefaultInterfaceMethod extends BugChecker implements MethodTreeMatcher {
private static final Matcher IS_STATIC_OR_DEFAULT_METHOD_ON_INTERFACE =
allOf(enclosingClass(kindIs(INTERFACE)), anyOf(hasModifier(STATIC), hasModifier(DEFAULT)));
@Override
public Description matchMethod(MethodTree tree, VisitorState state) {
if (!state.isAndroidCompatible()) {
return Description.NO_MATCH;
}
if (IS_STATIC_OR_DEFAULT_METHOD_ON_INTERFACE.matches(tree, state)) {
return describeMatch(tree);
}
return Description.NO_MATCH;
}
}