com.liferay.source.formatter.checkstyle.check.StringCastCheck Maven / Gradle / Ivy

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Liferay Source Formatter

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/**
 * SPDX-FileCopyrightText: (c) 2000 Liferay, Inc. https://liferay.com
 * SPDX-License-Identifier: LGPL-2.1-or-later OR LicenseRef-Liferay-DXP-EULA-2.0.0-2023-06
 */

package com.liferay.source.formatter.checkstyle.check;

import com.puppycrawl.tools.checkstyle.api.DetailAST;
import com.puppycrawl.tools.checkstyle.api.TokenTypes;

import java.util.List;

/**
 * @author Hugo Huijser
 */
public class StringCastCheck extends BaseCheck {

	@Override
	public int[] getDefaultTokens() {
		return new int[] {TokenTypes.CTOR_DEF, TokenTypes.METHOD_DEF};
	}

	@Override
	protected void doVisitToken(DetailAST detailAST) {
		List methodCallDetailASTList = getMethodCalls(
			detailAST, "toString");

		for (DetailAST methodCallDetailAST : methodCallDetailASTList) {
			DetailAST dotDetailAST = methodCallDetailAST.findFirstToken(
				TokenTypes.DOT);

			String variableTypeName = getVariableTypeName(
				methodCallDetailAST, getName(dotDetailAST), false);

			if (variableTypeName.equals("String")) {
				log(methodCallDetailAST, _MSG_UNNEEDED_STRING_CAST);
			}
		}
	}

	private static final String _MSG_UNNEEDED_STRING_CAST =
		"string.cast.unneeded";

}