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FileEqualsUsageInspection.java
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FileEqualsUsageInspection.java
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/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* 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 org.jetbrains.idea.devkit.inspections.internal;
import com.intellij.codeInspection.ProblemHighlightType;
import com.intellij.codeInspection.ProblemsHolder;
import com.intellij.psi.*;
import org.jetbrains.annotations.NotNull;
public class FileEqualsUsageInspection extends InternalInspection {
static final String MESSAGE =
"Do not use File.equals/hashCode/compareTo as they don't honor case-sensitivity on MacOS. " +
"Please use FileUtil.filesEquals/fileHashCode/compareFiles instead";
@Override
@NotNull
public PsiElementVisitor buildInternalVisitor(@NotNull final ProblemsHolder holder, boolean isOnTheFly) {
return new JavaElementVisitor() {
@Override
public void visitMethodCallExpression(PsiMethodCallExpression expression) {
PsiReferenceExpression methodExpression = expression.getMethodExpression();
PsiElement resolved = methodExpression.resolve();
if (!(resolved instanceof PsiMethod)) return;
PsiMethod method = (PsiMethod)resolved;
PsiClass clazz = method.getContainingClass();
if (clazz == null) return;
String methodName = method.getName();
if (CommonClassNames.JAVA_IO_FILE.equals(clazz.getQualifiedName()) &&
("equals".equals(methodName) || "compareTo".equals(methodName) || "hashCode".equals(methodName))) {
holder.registerProblem(methodExpression, MESSAGE, ProblemHighlightType.LIKE_DEPRECATED);
}
}
};
}
}