/*
* Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.yangtools.checkstyle;
import com.puppycrawl.tools.checkstyle.api.AbstractCheck;
import com.puppycrawl.tools.checkstyle.api.DetailAST;
import com.puppycrawl.tools.checkstyle.api.TokenTypes;
public class LoggerVariableModifiersCheck extends AbstractCheck {
private static final String LOG_MESSAGE = "Logger must be declared as private static final.";
@Override
public int[] getDefaultTokens() {
return new int[]{TokenTypes.VARIABLE_DEF};
}
@Override
public void visitToken(DetailAST ast) {
if (CheckLoggingUtil.isAFieldVariable(ast) && CheckLoggingUtil.isLoggerType(ast)
&& !hasPrivatStaticFinalModifier(ast)) {
log(ast.getLineNo(), LOG_MESSAGE);
}
}
private boolean hasPrivatStaticFinalModifier(DetailAST ast) {
DetailAST modifiers = ast.findFirstToken(TokenTypes.MODIFIERS);
if (modifiers != null && modifiers.branchContains(TokenTypes.LITERAL_PRIVATE)
&& modifiers.branchContains(TokenTypes.LITERAL_STATIC) && modifiers.branchContains(TokenTypes.FINAL)) {
return true;
}
return false;
}
}