2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.yangtools.checkstyle;
11 import com.puppycrawl.tools.checkstyle.api.AbstractCheck;
12 import com.puppycrawl.tools.checkstyle.api.DetailAST;
13 import com.puppycrawl.tools.checkstyle.api.TokenTypes;
15 public class LoggerVariableModifiersCheck extends AbstractCheck {
17 private static final String LOG_MESSAGE = "Logger must be declared as private static final.";
18 private static final int[] TOKENS = { TokenTypes.VARIABLE_DEF };
21 public int[] getDefaultTokens() {
26 public int[] getAcceptableTokens() {
31 public int[] getRequiredTokens() {
36 public void visitToken(final DetailAST ast) {
37 if (CheckLoggingUtil.isAFieldVariable(ast) && CheckLoggingUtil.isLoggerType(ast)
38 && !hasPrivatStaticFinalModifier(ast)) {
39 log(ast.getLineNo(), LOG_MESSAGE);
43 private static boolean hasPrivatStaticFinalModifier(final DetailAST ast) {
44 final DetailAST modifiers = ast.findFirstToken(TokenTypes.MODIFIERS);
45 return modifiers != null && modifiers.branchContains(TokenTypes.LITERAL_PRIVATE)
46 && modifiers.branchContains(TokenTypes.LITERAL_STATIC) && modifiers.branchContains(TokenTypes.FINAL);