Factories

• Builder uses a factory to build nodes

• Default factory builds standard classes

• Can change factories using the setFactory() method in Builder

• Subclassing enables:

  • Extra utility methods:

    public String getAttributeValue(String name, String uri, String default)
    public String getAttributeValue(String name, String uri, String default)
    public String getAttributeValue(String name, String uri, String default)

  • Read-only tree

  • Application specific classes:

    • XHTMLElement

    • PElement

    • DivElement

    • etc.