Examples of org.htmlparser.tags.Tag

org.htmlparser.tags.Tag
Tag represents a generic tag. This class allows users to register specific tag scanners, which can identify links, or image references. This tag asks the scanners to run over the text, and identify. It can be used to dynamically configure a parser. @author Kaarle Kaila 23.10.2001

  public void testBrokenTag() throws ParserException {
    String testHTML1 = new String("<br");
    createParser(testHTML1);
    parseAndAssertNodeCount(1);
    assertTrue("Node should be a tag", node[0] instanceof Tag);
    Tag tag = (Tag) node[0];
    assertEquals("Node contents", "br", tag.getText());
  }

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  public void testTagInsideTag() throws ParserException {
    String testHTML = new String("<META name=\"Hello\" value=\"World </I>\">");
    createParser(testHTML);
    parseAndAssertNodeCount(1);
    assertTrue("Node should be a tag", node[0] instanceof Tag);
    Tag tag = (Tag) node[0];
    assertEquals("Node contents", "META name=\"Hello\" value=\"World </I>\"", tag.getText());
    assertEquals("Meta Content", "World </I>", tag.getAttribute("value"));


  }

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    String testHTML = new String(
        "<META NAME=\"Author\" CONTENT = \"DORIER-APPRILL E., GERVAIS-LAMBONY P., MORICONI-EBRARD F., NAVEZ-BOUCHANINE F.\"\">");
    createParser(testHTML);
    parseAndAssertNodeCount(1);
    assertTrue("Node should be a tag", node[0] instanceof Tag);
    Tag tag = (Tag) node[0];
    assertStringEquals(
        "Node contents",
        "META NAME=\"Author\" CONTENT=\"DORIER-APPRILL E., GERVAIS-LAMBONY P., MORICONI-EBRARD F., NAVEZ-BOUCHANINE F.\"",
        tag.getText());
    Hashtable table = tag.getAttributes();
    assertEquals("Meta Content", "DORIER-APPRILL E., GERVAIS-LAMBONY P., MORICONI-EBRARD F., NAVEZ-BOUCHANINE F.",
        tag.getAttribute("CONTENT"));


  }

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    String testHTML = new String(
        "<META NAME=\"Keywords\" CONTENT=Moscou, modernisation, politique urbaine, sp�cificit�s culturelles, municipalit�, Moscou, modernisation, urban politics, cultural specificities, municipality\">");
    createParser(testHTML);
    parseAndAssertNodeCount(1);
    assertTrue("Node should be a tag", node[0] instanceof Tag);
    Tag tag = (Tag) node[0];
    assertStringEquals(
        "Node contents",
        "META NAME=\"Keywords\" CONTENT=\"Moscou, modernisation, politique urbaine, sp�cificit�s culturelles, municipalit�, Moscou, modernisation, urban politics, cultural specificities, municipality\"",
        tag.getText());
  }

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    String testHTML = new String(
        "<meta name=\"description\" content=\"Une base de donn�es sur les th�ses de g\"ographie soutenues en France \">");
    createParser(testHTML);
    parseAndAssertNodeCount(1);
    assertTrue("Node should be a tag", node[0] instanceof Tag);
    Tag tag = (Tag) node[0];
    assertEquals(
        "Node contents",
        "meta name=\"description\" content=\"Une base de donn�es sur les th�ses de gographie soutenues en France\"",
        tag.getText());
  }

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  public void testAttributesReconstruction() throws ParserException {
    String testHTML = "<TEXTAREA name=\"JohnDoe\" ></TEXTAREA>";
    createParser(testHTML);
    parseAndAssertNodeCount(2);
    assertTrue("First node should be an HTMLtag", node[0] instanceof Tag);
    Tag htmlTag = (Tag) node[0];
    String expectedHTML = "<TEXTAREA NAME=\"JohnDoe\">";
    assertStringEquals("Expected HTML", expectedHTML, htmlTag.toHtml());
  }

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    String testHTML = "<A \n"
        + "HREF=\"/a?b=c>d&e=f&g=h&i=http://localhost/Testing/Report1.html\">20020702 Report 1</A>";
    createParser(testHTML);
    Node node = Tag.find(parser.getReader(), testHTML, 0);
    assertTrue("Node should be a tag", node instanceof Tag);
    Tag tag = (Tag) node;
    String href = tag.getAttribute("HREF");
    assertStringEquals("Resolved Link", "/a?b=c>d&e=f&g=h&i=http://localhost/Testing/Report1.html", href);


  }

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  public void testParameterChange() throws ParserException {
    createParser("<TABLE BORDER=0>");
    parseAndAssertNodeCount(1);
    // the node should be an HTMLTag
    assertTrue("Node should be a HTMLTag", node[0] instanceof Tag);
    Tag tag = (Tag) node[0];
    assertEquals("Initial text should be", "TABLE BORDER=0", tag.getText());


    Hashtable tempHash = tag.getAttributes();
    tempHash.put("BORDER", "1");
    tag.setAttributes(tempHash);


    String s = tag.toHtml();
    assertEquals("HTML should be", "<TABLE BORDER=\"1\" >", s);
  }

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  /**
   * This is the reproduction of a bug which causes a null pointer exception
   */
  public void testExtractLinkInvertedCommasBug() throws ParserException {
    String tagContents = "a href=r/anorth/top.html";
    Tag tag = new Tag(new TagData(0, 0, tagContents, ""));
    String url = "c:\\cvs\\html\\binaries\\yahoo.htm";
    LinkScanner scanner = new LinkScanner("-l");
    assertEquals("Extracted Link", "r/anorth/top.html", scanner.extractLink(tag, url));
  }

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    assertEquals("String Contents", "Hello World", stringNode.getText());
  }


  public void testReplaceFaultyTagWithEndTag() throws ParserException {
    String currentLine = "<p>Site Comments?<br><a href=\"mailto:sam@neurogrid.com?subject=Site Comments\">Mail Us<a></p>";
    Tag tag = new Tag(new TagData(85, 87, "a", currentLine));
    LinkScanner linkScanner = new LinkScanner();
    String newLine = linkScanner.replaceFaultyTagWithEndTag(tag, currentLine);
    assertEquals("Expected replacement",
        "<p>Site Comments?<br><a href=\"mailto:sam@neurogrid.com?subject=Site Comments\">Mail Us</A></p>",
        newLine);

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org.htmlparser.Node

org.htmlparser.NodeReader

org.htmlparser.Parser

org.htmlparser.parserHelper.CompositeTagScannerHelper

org.htmlparser.parserHelper.TagParser

org.htmlparser.scanners.TagScanner

org.htmlparser.tests.parserHelperTests.AttributeParserTest

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