org.sonar.plugins.web.checks.coding.DoubleQuotesCheck Maven / Gradle / Ivy
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/*
* SonarQube Web Plugin
* Copyright (C) 2010 SonarSource and Matthijs Galesloot
* [email protected]
*
* 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.sonar.plugins.web.checks.coding;
import org.apache.commons.lang.StringUtils;
import org.sonar.check.Priority;
import org.sonar.check.Rule;
import org.sonar.plugins.web.checks.AbstractPageCheck;
import org.sonar.plugins.web.checks.RuleTags;
import org.sonar.plugins.web.checks.WebRule;
import org.sonar.plugins.web.node.Attribute;
import org.sonar.plugins.web.node.TagNode;
/**
* @author Matthijs Galesloot
* @since 1.0
*/
@Rule(key = "DoubleQuotesCheck", priority = Priority.MINOR)
@WebRule(activeByDefault = false)
@RuleTags({
RuleTags.CONVENTION
})
public class DoubleQuotesCheck extends AbstractPageCheck {
@Override
public void startElement(TagNode element) {
for (Attribute a : element.getAttributes()) {
if (a.getValue() != null && a.getValue().trim().length() > 0 && isSingleQuoteAttribute(a)) {
createViolation(element.getStartLinePosition(), "Use double quotes instead of single ones.");
// no more than one violation per element
break;
}
}
}
/**
* Single quoted attributes are allowed only when used because the value contains a double quote.
*/
private static boolean isSingleQuoteAttribute(Attribute a) {
return a.isSingleQuoted() && !StringUtils.contains(a.getValue(), '"');
}
}