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/*
* Copyright 2003-2014 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.visibility;
import com.intellij.codeInspection.ui.MultipleCheckboxOptionsPanel;
import com.intellij.psi.*;
import com.siyeh.InspectionGadgetsBundle;
import com.siyeh.ig.BaseInspection;
import com.siyeh.ig.BaseInspectionVisitor;
import com.siyeh.ig.psiutils.ClassUtils;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
public class LambdaParameterHidingMemberVariableInspectionBase extends BaseInspection {
@SuppressWarnings("PublicField")
public boolean m_ignoreInvisibleFields = true;
@Override
@NotNull
public String getID() {
return "LambdaParameterHidesMemberVariable";
}
@Override
@NotNull
public String getDisplayName() {
return InspectionGadgetsBundle.message("lambda.parameter.hides.member.variable.display.name");
}
@Override
protected boolean buildQuickFixesOnlyForOnTheFlyErrors() {
return true;
}
@Override
@NotNull
public String buildErrorString(Object... infos) {
final PsiClass aClass = (PsiClass)infos[0];
return InspectionGadgetsBundle.message("lambda.parameter.hides.member.variable.problem.descriptor", aClass.getName());
}
@Override
public JComponent createOptionsPanel() {
final MultipleCheckboxOptionsPanel optionsPanel = new MultipleCheckboxOptionsPanel(this);
optionsPanel.addCheckbox(InspectionGadgetsBundle.message("parameter.hides.member.variable.ignore.superclass.option"),
"m_ignoreInvisibleFields");
return optionsPanel;
}
@Override
public BaseInspectionVisitor buildVisitor() {
return new LambdaParameterHidingMemberVariableVisitor();
}
private class LambdaParameterHidingMemberVariableVisitor extends BaseInspectionVisitor {
@Override
public void visitParameter(@NotNull PsiParameter variable) {
super.visitParameter(variable);
final PsiElement declarationScope = variable.getDeclarationScope();
if (!(declarationScope instanceof PsiLambdaExpression)) {
return;
}
final PsiClass aClass = checkFieldName(variable);
if (aClass == null) {
return;
}
registerVariableError(variable, aClass);
}
@Nullable
private PsiClass checkFieldName(PsiVariable variable) {
final String variableName = variable.getName();
if (variableName == null) {
return null;
}
PsiClass aClass = ClassUtils.getContainingClass(variable);
while (aClass != null) {
final PsiField[] fields = aClass.getAllFields();
for (PsiField field : fields) {
final String fieldName = field.getName();
if (!variableName.equals(fieldName)) {
continue;
}
if (!m_ignoreInvisibleFields || ClassUtils.isFieldVisible(field, aClass)) {
return aClass;
}
}
aClass = ClassUtils.getContainingClass(aClass);
}
return null;
}
}
}
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