textshapeobject.java

意图 将一个类的接口转换成客户希望的另外一个接口。A d a p t e r 模式使得原本由于接口不兼容而不能一起工作的那些类可以一起工作。 适用性 · 你想使用一个已经存在的类

/**
 *  The Object Adapter in this sample
 */
public class TextShapeObject  implements Shape {
    private Text txt;
    public TextShapeObject(Text t) {
        txt = t;
    }
    public void Draw() {
        System.out.println("Draw a shap ! Impelement Shape interface !");
    }
    public void Border() {
        System.out.println("Set the border of the shap ! Impelement Shape interface !");
    }

    public void SetContent(String str) {
        txt.SetContent(str);
    }
    public String GetContent() {
        return txt.GetContent();
    }

    public static void main(String[] args) {
        Text myText = new Text();
        TextShapeObject myTextShapeObject = new TextShapeObject(myText);
        myTextShapeObject.Draw();
        myTextShapeObject.Border();
        myTextShapeObject.SetContent("A test text !");
        System.out.println("The content in Text Shape is :" + myTextShapeObject.GetContent());

    }
}