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/*
* Copyright 2003-2007 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.threading;
import com.intellij.psi.PsiCodeBlock;
import com.intellij.psi.PsiStatement;
import com.intellij.psi.PsiSynchronizedStatement;
import com.siyeh.InspectionGadgetsBundle;
import com.siyeh.ig.BaseInspection;
import com.siyeh.ig.BaseInspectionVisitor;
import com.siyeh.ig.psiutils.FileTypeUtils;
import org.jetbrains.annotations.NotNull;
public class EmptySynchronizedStatementInspection extends BaseInspection {
@Override
@NotNull
public String getDisplayName() {
return InspectionGadgetsBundle.message(
"empty.synchronized.statement.display.name");
}
@Override
@NotNull
protected String buildErrorString(Object... infos) {
return InspectionGadgetsBundle.message(
"empty.synchronized.statement.problem.descriptor");
}
@Override
public BaseInspectionVisitor buildVisitor() {
return new EmptySynchronizedStatementVisitor();
}
private static class EmptySynchronizedStatementVisitor
extends BaseInspectionVisitor {
@Override
public void visitSynchronizedStatement(
@NotNull PsiSynchronizedStatement statement) {
super.visitSynchronizedStatement(statement);
if (FileTypeUtils.isInServerPageFile(statement.getContainingFile())) {
return;
}
final PsiCodeBlock body = statement.getBody();
if (body == null) {
return;
}
final PsiStatement[] statements = body.getStatements();
if (statements.length > 0) {
return;
}
registerStatementError(statement);
}
}
}
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