com.liferay.source.formatter.checks.util.DockerfileSourceUtil Maven / Gradle / Ivy
/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*/
package com.liferay.source.formatter.checks.util;
import com.liferay.petra.string.CharPool;
import com.liferay.petra.string.StringPool;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.kernel.util.Validator;
import java.util.Objects;
/**
* @author Peter Shin
*/
public class DockerfileSourceUtil {
public static boolean endsWithBackSlash(String line) {
String trimmedLine = StringUtil.trim(line);
if (Validator.isNotNull(trimmedLine) &&
trimmedLine.endsWith(StringPool.BACK_SLASH)) {
return true;
}
return false;
}
public static String getInstruction(String line, String previousLine) {
if (Validator.isNull(line)) {
return StringPool.BLANK;
}
if (endsWithBackSlash(previousLine)) {
return StringPool.BLANK;
}
String[] words = StringUtil.split(line, CharPool.SPACE);
String s = StringUtil.toUpperCase(StringUtil.trim(words[0]));
if (!s.startsWith(StringPool.POUND)) {
return s;
}
return StringPool.POUND;
}
public static boolean isNewInstruction(
String instruction, String previousInstruction, String previousLine) {
if (Validator.isNull(previousInstruction) ||
endsWithBackSlash(previousLine) ||
Objects.equals(instruction, previousInstruction)) {
return false;
}
return true;
}
}