org.sonar.plugins.web.checks.scripting.JspScriptletCheck Maven / Gradle / Ivy

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Enables scanning of HTML, and JSP/JSF files.

There is a newer version: 2.6.0.1053

/*
 * SonarSource :: Web :: Sonar Plugin
 * Copyright (c) 2010-2016 SonarSource SA 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.scripting;

import org.apache.commons.lang.StringUtils;
import org.sonar.check.Rule;
import org.sonar.plugins.web.checks.AbstractPageCheck;
import org.sonar.plugins.web.node.ExpressionNode;
import org.sonar.plugins.web.node.TagNode;

@Rule(key = "JspScriptletCheck")
public class JspScriptletCheck extends AbstractPageCheck {

  @Override
  public void expression(ExpressionNode node) {
    String content = trimScriptlet(node.getCode());

    if (StringUtils.isNotBlank(content)) {
      createIssue(node.getStartLinePosition());
    }
  }

  @Override
  public void startElement(TagNode element) {
    if (StringUtils.equalsIgnoreCase(element.getLocalName(), "scriptlet")) {
      createIssue(element.getStartLinePosition());
    }
  }

  private static String trimScriptlet(String code) {
    return StringUtils.removeEnd(StringUtils.removeStart(code, "<%"), "%>");
  }

  private void createIssue(int line) {
    createViolation(line, "Replace this scriptlet using tag libraries and expression language.");
  }

}