Java

本类阅读TOP10

public className;
private String variable1;
private Integer variable2;
private Double variable3;

public className {
 private String  variable1;
 private Integer  variable2;
 private Double  variable3;
public String getVariable1()
{
  return variable1;
}
public void setVariable1(String variable1)
{
  this.variable1 = variable1;
}
public Integer getVariable2()
{
  return variable2;
}
public void setVariable2(Integer variable2)
{
  this.variable2 = variable2;
}
public Double getVariable3()
{
  return variable3;
}
public void setVariable3(Double variable3)
{
  this.variable3 = variable3;
}
}

package com.jrock.util;
/**
 * 输入的字符串格式为
 * 限定符 类名;
 * 变量;变量;变量;...
 * 变量格式为{限定符 数据类型 变量名}
 *  其中: 限定符  (private/...)  不能省
 *       类名                   不能省
 *       数据类型 (Integer/...)  不能省
 *       变量名                  不能省
 * @version 1.0
 */
public class ClassGen {
  public ClassGen() {
  }
  //去掉多余的空格
  private static void dismissBlank(String[] array)
  {
    int len= array.length;
    boolean over =false;
    while(!over) {
      over=true;
      for (int i = 0; i < len; i++) {
        if (array[i].equals("")) {
          for (int j = i; j < len - 1; j++) {
            array[j] = array[j + 1];
          }
          len--;over=false;
        }
      }
    }
  }
  public static String outGetter(String parStr)
  {
    String[] array = parStr.split(" ");
    if(array.length<3) return null;
    dismissBlank(array);
    String type = array[1];
    String par = array[2];
    StringBuffer result = new StringBuffer();
    result.append("public " + type + " get" + par.substring(0,1).toUpperCase() + par.substring(1));
    result.append("()\n{\n\t return " + par + ";\n}\n");
    return result.toString();
  }
  public static String outSetter(String parStr)
  {
    String[] array = parStr.split(" ");
    if(array.length<3) return null;
    dismissBlank(array);
    String type = array[1];
    String par = array[2];
    StringBuffer result = new StringBuffer();
    result.append("public void set" + par.substring(0,1).toUpperCase() + par.substring(1));
    result.append("(" + type + " " + par + ")\n{\n\t this."+ par + " = " + par + ";\n}");
    return result.toString();
  }
  //获得函数的主体
  public static String getClassContent(String in)
  {
    if(in==null) return "";
    in=in.replace('\n',' ').trim();
    if(in.equals("")) return "";
    StringBuffer result = new StringBuffer();
    String [] parArray = in.split(";");
    if(parArray.length>0) {
      //输出类名
      result.append(parArray[0] + " {\n");
      //输出变量
      for (int i = 1; i < parArray.length; i++) {
        result.append(parArray[i] + ";\n");
      }
      //输出setter和getter
      for (int i = 1; i < parArray.length; i++) {
        result.append(outGetter(parArray[i]) + "\n");
        result.append(outSetter(parArray[i]) + "\n");
      }
      result.append("}");
    }
   return result.toString();
  }
  //测试用的
  public static void main(String[] args) {
    String inStr = "public className;\n" +
        "private String  variable1;\n" +
        "private Integer  variable2;\n" +
        "private Double  variable3;\n";
    System.out.println(getClassContent(inStr));
  }
}

import javax.swing.*;       
import java.awt.*;
import java.awt.event.*;
import com.jrock.util.ClassGen;
public class ClassGenApplication {
    public Component createComponents() {
      String inStr = "public className;\n" +
      "private String  variable1;\n" +
      "private Integer  variable2;\n" +
      "private Double  variable3;";
        final JTextArea text1 = new JTextArea(inStr,20,40);
        final JTextArea text2 = new JTextArea("",20,50);
        text1.setFont(new java.awt.Font("Arial",java.awt.Font.PLAIN,20));
        text2.setFont(new java.awt.Font("Arial",java.awt.Font.PLAIN,12));
        // Create a scrollable text area
        JScrollPane sp1 = new JScrollPane(text1);
        JScrollPane sp2 = new JScrollPane(text2);
        JButton button = new JButton("Generate!");
        button.setMnemonic(KeyEvent.VK_I);
        button.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
              text2.setText(
                  ClassGen.getClassContent(text1.getText()));
            }
        });
        JPanel pane = new JPanel();
        pane.setBorder(BorderFactory.createEmptyBorder(
                                        20, //top
                                        20, //left
                                        200, //bottom
                                        200) //right
                                        );
        pane.setLayout(new GridLayout(0, 1));
        pane.add(sp1);
        pane.add(button);
        pane.add(sp2);
        return pane;
    }
    public static void main(String[] args) {
        try {
            UIManager.setLookAndFeel(
                UIManager.getCrossPlatformLookAndFeelClassName());
        } catch (Exception e) { }
        //Create the top-level container and add contents to it.
        JFrame frame = new JFrame("类生成工具");
        ClassGenApplication app = new ClassGenApplication();
        Component contents = app.createComponents();
        frame.getContentPane().add(contents, BorderLayout.CENTER);
        //Finish setting up the frame, and show it.
        frame.addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        });
        frame.pack();
        frame.setVisible(true);
    }
}