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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *  http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.any23.validator.rule;
19  
20  import org.apache.any23.validator.DOMDocument;
21  import org.apache.any23.validator.Rule;
22  import org.apache.any23.validator.RuleContext;
23  import org.apache.any23.validator.ValidationReport;
24  import org.apache.any23.validator.ValidationReportBuilder;
25  import org.w3c.dom.Node;
26  
27  import java.util.ArrayList;
28  import java.util.List;
29  
30  /**
31   * Checks whether the meta attribute name is used to contain a property.
32   *
33   * @see MetaNameMisuseFix
34   * @author Davide Palmisano (palmisano@fbk.eu)
35   * @author Michele Mostarda (mostarda@fbk.eu)
36   */
37  public class MetaNameMisuseRule implements Rule {
38  
39      public static final String ERRORED_META_NODES = "errored-meta-nodes";
40  
41      @Override
42      public String getHRName() {
43          return "meta-name-misuse-rule";
44      }
45  
46      @SuppressWarnings("unchecked")
47      @Override
48      public boolean applyOn(
49              DOMDocument document,
50              @SuppressWarnings("rawtypes") RuleContext context,
51              ValidationReportBuilder validationReportBuilder
52      ) {
53          List<Node> metaNodes = document.getNodes("/HTML/HEAD/META");
54          boolean foundIssue = false;
55          final List<Node> wrongMetaNodes = new ArrayList<>();
56          for(Node metaNode : metaNodes) {
57              Node nameNode = metaNode.getAttributes().getNamedItem("name");
58              if(nameNode != null && nameNode.getTextContent().contains(":")) {
59                  foundIssue = true;
60                  wrongMetaNodes.add(metaNode);
61                  validationReportBuilder.reportIssue(
62                          ValidationReport.IssueLevel.ERROR,
63                          "Error detected in meta node: name property contains a prefixed value.",
64                          metaNode
65                  );
66              }
67          }
68          context.putData(ERRORED_META_NODES, wrongMetaNodes);
69          return foundIssue;
70      }
71  
72  }