程序包 com.example.graphics.visitor

类 XmlExportVisitor

java.lang.Object
com.example.graphics.visitor.XmlExportVisitor
所有已实现的接口:
ShapeVisitor
public class XmlExportVisitor extends Object implements ShapeVisitor
Visitor implementation that exports shapes to XML format. This is an implementation of the Visitor pattern.

  • 字段详细资料

    • document

      private Document document

    • rootElement

      private Element rootElement

  • 构造器详细资料

    • XmlExportVisitor

      public XmlExportVisitor()
      Constructor initializes the XML document

  • 方法详细资料

    • visit

      public void visit(Circle circle)
      从接口复制的说明: ShapeVisitor
      Visit a Circle shape
      指定者:
      visit 在接口中 ShapeVisitor
      参数:
      circle - the circle to visit

    • visit

      public void visit(Rectangle rectangle)
      从接口复制的说明: ShapeVisitor
      Visit a Rectangle shape
      指定者:
      visit 在接口中 ShapeVisitor
      参数:
      rectangle - the rectangle to visit

    • visit

      public void visit(Line line)
      从接口复制的说明: ShapeVisitor
      Visit a Line shape
      指定者:
      visit 在接口中 ShapeVisitor
      参数:
      line - the line to visit

    • visit

      public void visit(Triangle triangle)
      从接口复制的说明: ShapeVisitor
      Visit a Triangle shape
      指定者:
      visit 在接口中 ShapeVisitor
      参数:
      triangle - the triangle to visit

    • getXmlOutput

      public String getXmlOutput()
      Get the XML representation of all visited shapes
      返回:
      an XML string representing all shapes

    • clear

      public void clear()
      Clear all shapes and reset the visitor