java 设计模式之生成器模式
1 package cn.zj.qiao.designPattern.builder; 2 3 import javax.swing.JButton; 4 import javax.swing.JLabel; 5 import javax.swing.JPanel; 6 import javax.swing.JTextField; 7 8 public class PanelProduct extends JPanel { 9 /**10 * 11 */12 private static final long serialVersionUID = 1L;13 JButton button;14 JLabel label;15 JTextField textField;16 }Builder 接口：
1 package cn.zj.qiao.designPattern.builder; 2 3 import javax.swing.JButton; 4 import javax.swing.JLabel; 5 import javax.swing.JPanel; 6 import javax.swing.JTextField; 7 8 public class PanelProduct extends JPanel { 9 /**10 * 11 */12 private static final long serialVersionUID = 1L;13 JButton button;14 JLabel label;15 JTextField textField;16 }ConcreteBuilder 如下两个类（ConcreteBuilderOne和ConcreteBuilderTwo)：
1 package cn.zj.qiao.designPattern.builder; 2 3 4 import javax.swing.JButton; 5 import javax.swing.JLabel; 6 import javax.swing.JPanel; 7 import javax.swing.JTextField; 8 9 public class ConcreteBuilderOne implements Builder {10 private PanelProduct panel; //创建需要的容器11 12 ConcreteBuilderOne(){13 panel = new PanelProduct();14 }15 @Override16 public void buildButton() {17 panel.button = new JButton("btn");18 19 }20 21 @Override22 public void buildLabel() {23 panel.label = new JLabel("lable");24 25 }26 27 @Override28 public void buildTextField() {29 panel.textField = new JTextField("hello");30 31 }32 33 @Override34 public JPanel getPanel() {35 panel.add(panel.button);36 panel.add(panel.label);37 panel.add(panel.textField);38 return panel;39 }40 41 }42 43 44 package cn.zj.qiao.designPattern.builder;45 46 import javax.swing.JButton;47 import javax.swing.JLabel;48 import javax.swing.JPanel;49 import javax.swing.JTextField;50 51 public class ConcreteBuilderTwo implements Builder {52 private PanelProduct panel;53 54 ConcreteBuilderTwo(){55 panel = new PanelProduct();56 }57 @Override58 public void buildButton() {59 panel.button = new JButton("btn");60 61 }62 63 @Override64 public void buildLabel() {65 panel.label = new JLabel("label");66 67 }68 69 @Override70 public void buildTextField() {71 panel.textField = new JTextField("helo");72 73 }74 75 @Override76 public JPanel getPanel() {77 panel.add(panel.textField);78 panel.add(panel.label);79 panel.add(panel.button);80 return panel;81 }82 83 }Director类：
1 package cn.zj.qiao.designPattern.builder; 2 3 import javax.swing.JPanel; 4 5 public class Director { 6 private Builder builder; 7 8 Director(Builder builder){ 9 this.builder = builder;10 }11 12 public JPanel constructProduct(){13 builder.buildButton();14 builder.buildLabel();15 builder.buildTextField();16 return builder.getPanel();17 }18 }下面是测试代码：
1 package cn.zj.qiao.designPattern.builder; 2 3 import java.awt.Container; 4 5 import javax.swing.JFrame; 6 import javax.swing.JPanel; 7 8 public class Application { 9 public static void main(String[] args){10 Builder builder = new ConcreteBuilderOne();11 Director dir = new Director(builder);12 JPanel panel = dir.constructProduct();13 JFrame frameOne = new JFrame("hello");14 Container con = frameOne.getContentPane();15 con.add(panel);16 frameOne.setBounds(12, 12, 200, 120);17 frameOne.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);18 frameOne.setVisible(true);19 20 builder = new ConcreteBuilderTwo();21 dir = new Director(builder);22 panel = dir.constructProduct();23 JFrame frameTwo = new JFrame("hello");24 con = frameTwo.getContentPane();25 con.add(panel);26 frameTwo.setBounds(222, 12, 200, 120);27 frameTwo.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);28 frameTwo.setVisible(true);29 30 }31 }