Examples of org.htmlparser.filters.TagNameFilter

org.htmlparser.filters.TagNameFilter
This class accepts all tags matching the tag name.

        NodeList list;


        guts = "<booty>Now is the time for all good men..</booty>";
        html = "<html>" + guts + "</html>";
        createParser (html);
        list = parser.extractAllNodesThatMatch (new TagNameFilter ("booty"));
        assertEquals ("only one element", 1, list.size ());
        assertSuperType ("should be Tag", Tag.class, list.elementAt (0));
        assertStringEquals("name", "BOOTY", ((Tag)(list.elementAt (0))).getTagName ());
    }

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        NodeList list;


        guts = "<body>Now is the <a id=target><b>time</b></a> for all good <a href=http://bongo.com>men</a>..</body>";
        html = "<html>" + guts + "</html>";
        createParser (html);
        list = parser.extractAllNodesThatMatch (new HasChildFilter (new TagNameFilter ("b")));
        assertEquals ("only one element", 1, list.size ());
        assertType ("should be LinkTag", LinkTag.class, list.elementAt (0));
        LinkTag link = (LinkTag)list.elementAt (0);
        assertEquals ("three children", 3, link.getChildCount ());
        assertSuperType ("should be TagNode", Tag.class, link.getChildren ().elementAt (0));

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        html = "<html>" + guts + "</html>";
        createParser (html);
        list = parser.extractAllNodesThatMatch (
            new AndFilter (
                new HasChildFilter (
                    new TagNameFilter ("b")),
                new HasChildFilter (
                    new StringFilter ("men")))
                );
        assertEquals ("only one element", 1, list.size ());
        assertType ("should be LinkTag", LinkTag.class, list.elementAt (0));

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        html = "<html>" + guts + "</html>";
        createParser (html);
        list = parser.extractAllNodesThatMatch (
            new AndFilter (
                new HasChildFilter (
                    new TagNameFilter ("b")),
                new NotFilter (
                    new HasChildFilter (
                        new StringFilter ("all"))))
                );
        assertEquals ("two elements", 2, list.size ());

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            "var nows = new Date();\r\n" +
            "var nIndexs = nows.getTime();\r\n" +
            "document.write(\"<img src=\\\"http://www.parsads.com/adserve/scriptinject.asp?F=4&Z=3,4,5,10,12&N=1&U=644&O=&nocache=\"  + nIndexs + \"\\\" width=\\\"1\\\" hight=\\\"1\\\"><img src=\\\"http://www.parsads.com/adserve/scriptinject.asp?F=4&Z=3,4,5,10,12&N=1&U=643&O=&nocache=\"  + nIndexs + \"\\\" width=\\\"1\\\" hight=\\\"1\\\"><img src=\\\"http://www.parsads.com/adserve/scriptinject.asp?F=4&Z=3,4,5,10,12&N=1&U=324&O=&nocache=\"  + nIndexs + \"\\\" width=\\\"1\\\" hight=\\\"1\\\">\");\r\n";
        
        parser = new Parser (url);
        NodeList scripts = parser.extractAllNodesThatMatch (new TagNameFilter ("SCRIPT"));
        assertEquals ("wrong number of scripts found", 2, scripts.size ());
        ScriptTag script = (ScriptTag)scripts.elementAt (1);
        assertStringEquals ("script not decoded correctly", plaintext, script.getScriptCode ());
    }

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  }


  public int countOfTagWithIdPrefix(String tag, String idPrefix) throws Exception {
    NodeFilter filter =
      new AndFilter(
        new TagNameFilter(tag),
        new HasAttributePrefixFilter("id", idPrefix));
    return getMatchingTags(filter).size();
  }

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  }


  public int countOfTagWithClassBelowTagWithIdPrefix(String childTag, String tagClass, String parentTag, String parentIdPrefix) throws Exception {
    NodeList parents = getMatchingTags(
            new AndFilter(
                    new TagNameFilter(parentTag),
                    new HasAttributePrefixFilter("id", parentIdPrefix))
    );


    NodeFilter predicates[] = {
            new TagNameFilter(childTag),
            new HasAttributeFilter("class", tagClass)
    };
    NodeFilter filter = new AndFilter(predicates);
    NodeList matches = parents.extractAllNodesThatMatch(filter, true);
    return matches.size();

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      return false;
    }
  }


  private boolean hasOneTable() {
    TagNameFilter tableFilter = new TagNameFilter("table");
    tables = nodes.extractAllNodesThatMatch(tableFilter);
    return tables.size() == 1;
  }

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    if (row != null)
      extractColumns(map, row);
  }


  private void extractColumns(HashMap<String, String> map, Node row) {
    TagNameFilter tdFilter = new TagNameFilter("td");
    if (row.getChildren() != null) {
      NodeList cols = row.getChildren().extractAllNodesThatMatch(tdFilter);
      if (cols.size() == 2)
        addColsToMap(map, cols);
    }

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    String value = getText(cols.elementAt(1));
    map.put(key, value);
  }


  private NodeList getRows(NodeList tables) {
    TagNameFilter trFilter = new TagNameFilter("tr");
    Node table = tables.elementAt(0);


    if (table.getChildren() != null)
      return table.getChildren().extractAllNodesThatMatch(trFilter);

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