org.codenarc.rule.formatting.TrailingWhitespaceRule.groovy Maven / Gradle / Ivy
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The CodeNarc project provides a static analysis tool for Groovy code.
/*
* Copyright 2020 the original author or authors.
*
* 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 org.codenarc.rule.formatting
import org.codenarc.rule.AbstractRule
import org.codenarc.rule.Violation
import org.codenarc.source.SourceCode
/**
* Checks that no lines of source code end with whitespace characters.
*
* @author Joe Sondow
* @author Chris Mair
*/
class TrailingWhitespaceRule extends AbstractRule {
String name = 'TrailingWhitespace'
int priority = 3
@Override
void applyTo(SourceCode sourceCode, List violations) {
sourceCode.lines.eachWithIndex { line, index ->
if (line && line[-1].isAllWhitespace()) {
violations.add(createViolation(index + 1, line, 'Line ends with whitespace characters'))
}
}
}
}