com.google.errorprone.bugpatterns.inject.JavaxInjectOnFinalField Maven / Gradle / Ivy
/*
* Copyright 2013 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.inject;
import static com.google.errorprone.BugPattern.SeverityLevel.WARNING;
import static com.google.errorprone.bugpatterns.inject.ElementPredicates.isFinalField;
import static com.google.errorprone.matchers.InjectMatchers.IS_APPLICATION_OF_JAVAX_INJECT;
import static com.google.errorprone.util.ASTHelpers.getSymbol;
import com.google.errorprone.BugPattern;
import com.google.errorprone.VisitorState;
import com.google.errorprone.bugpatterns.BugChecker;
import com.google.errorprone.bugpatterns.BugChecker.AnnotationTreeMatcher;
import com.google.errorprone.fixes.SuggestedFix;
import com.google.errorprone.matchers.Description;
import com.sun.source.tree.AnnotationTree;
/** @author [email protected] (Steven Goldfeder) */
@BugPattern(
name = "JavaxInjectOnFinalField",
summary = "@javax.inject.Inject cannot be put on a final field.",
severity = WARNING)
public class JavaxInjectOnFinalField extends BugChecker implements AnnotationTreeMatcher {
@Override
public Description matchAnnotation(AnnotationTree annotationTree, VisitorState state) {
if (IS_APPLICATION_OF_JAVAX_INJECT.matches(annotationTree, state)) {
if (isFinalField(getSymbol(state.getPath().getParentPath().getParentPath().getLeaf()))) {
return describeMatch(annotationTree, SuggestedFix.delete(annotationTree));
}
}
return Description.NO_MATCH;
}
}