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/*
* Copyright 2003-2013 Dave Griffith, Bas Leijdekkers
*
* 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.siyeh.ig.maturity;
import com.intellij.psi.PsiClass;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiField;
import com.intellij.psi.PsiReferenceExpression;
import com.siyeh.HardcodedMethodConstants;
import com.siyeh.InspectionGadgetsBundle;
import com.siyeh.ig.BaseInspection;
import com.siyeh.ig.BaseInspectionVisitor;
import org.jetbrains.annotations.NotNull;
public class SystemOutErrInspectionBase extends BaseInspection {
@Override
@NotNull
public String getID() {
return "UseOfSystemOutOrSystemErr";
}
@Override
@NotNull
public String getDisplayName() {
return InspectionGadgetsBundle.message(
"use.system.out.err.display.name");
}
@Override
@NotNull
public String buildErrorString(Object... infos) {
return InspectionGadgetsBundle.message(
"use.system.out.err.problem.descriptor");
}
@Override
public BaseInspectionVisitor buildVisitor() {
return new SystemOutErrVisitor();
}
private static class SystemOutErrVisitor extends BaseInspectionVisitor {
@Override
public void visitReferenceExpression(@NotNull PsiReferenceExpression expression) {
super.visitReferenceExpression(expression);
final String name = expression.getReferenceName();
if (!HardcodedMethodConstants.OUT.equals(name) &&
!HardcodedMethodConstants.ERR.equals(name)) {
return;
}
final PsiElement referent = expression.resolve();
if (!(referent instanceof PsiField)) {
return;
}
final PsiField field = (PsiField)referent;
final PsiClass containingClass = field.getContainingClass();
if (containingClass == null) {
return;
}
final String className = containingClass.getQualifiedName();
if (!"java.lang.System".equals(className)) {
return;
}
registerError(expression, expression);
}
}
}
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