com.google.errorprone.bugpatterns.NonCanonicalStaticImport Maven / Gradle / Ivy
/*
* Copyright 2015 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;
import static com.google.errorprone.BugPattern.SeverityLevel.ERROR;
import com.google.errorprone.BugPattern;
import com.google.errorprone.VisitorState;
import com.google.errorprone.bugpatterns.BugChecker.ImportTreeMatcher;
import com.google.errorprone.bugpatterns.StaticImports.StaticImportInfo;
import com.google.errorprone.fixes.SuggestedFix;
import com.google.errorprone.matchers.Description;
import com.sun.source.tree.ImportTree;
/**
* Types shouldn't be statically by their non-canonical name.
*
* @author [email protected] (Liam Miller-Cushon)
*/
@BugPattern(
name = "NonCanonicalStaticImport",
summary = "Static import of type uses non-canonical name",
severity = ERROR,
documentSuppression = false)
public class NonCanonicalStaticImport extends BugChecker implements ImportTreeMatcher {
@Override
public Description matchImport(ImportTree tree, VisitorState state) {
StaticImportInfo importInfo = StaticImports.tryCreate(tree, state);
if (importInfo == null || importInfo.isCanonical() || !importInfo.members().isEmpty()) {
return Description.NO_MATCH;
}
return describeMatch(tree, SuggestedFix.replace(tree, importInfo.importStatement()));
}
}