JAVA上机项目PIMCmd

最新推荐文章于 2024-07-11 10:53:12 发布
最新推荐文章于 2024-07-11 10:53:12 发布
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编写基于命令行形式的个人信息管理（PIMCmd）程序，要求如下：

This assignment involves the creation of simple Personal Information Management (个人信息管理 ) system that can deal with 4 kinds of items:
todo, items, notes, appointments and contacts.
Each of these kinds of items is described in more detail below. The assignment requires that you create a class for each item type, and that each class extends an abstract base class provided for you. In addition to creating the four classes, you need to create a manager class that supports some simple text-based commands for creating and managing items.
Each of your 4 item type classes will be derived from the following abstract class:

public abstract class PIMEntity {
String Priority; // every kind of item has a priority

// default constructor sets priority to “normal”
PIMEntity() {
Priority = “normal”;
}
// priority can be established via this constructor.
PIMEntity(String priority) {
Priority = priority;
}
// accessor method for getting the priority string
public String getPriority() {
return Priority;
}
// method that changes the priority string
public void setPriority(String p) {
Priority = p;
}
// Each PIMEntity needs to be able to set all state information
// (fields) from a single text string.
abstract public void fromString(String s);
// This is actually already defined by the super class
// Object, but redefined here as abstract to make sure
// that derived classes actually implement it
abstract public String toString();
}

注释：PIM可以处理4种类别事项：待办事项，备忘，约会和联系人，PIMEntity是公共抽象父类，创建PIMManager进行测试，(有给定名称的要按给定*的名称)。
输入提示：

java.util.ScannerScanner in = new Scanner(System.in);
//创建Scanner对象String command = in.nextLine();//获取输入的一行字符串

PIMTodo:Todo items must be PIMEntites defined in a class named PIMTodo. Each todo item must have a priority (a string), a date and a string that contains the actual text of the todo item.

PIMNote: Note items must be PIMEntites defined in a class named PIMNote. Each note item must have a priority (a string), and a string that contains the actual text of the note.

PIMAppointment: Appointment items must be PIMEntites defined in a class named PIMAppointment. Each appointment must have a priority (a string), a date and a description (a string).

PIMContact: Contact items must be PIMEntites defined in a class named PIMContact. Each contact item must have a priority (a string), and strings for each of the following: first name, last name, email address.There is one additional requirement on the implementation of the 4 item classes listed above, the 2 classes that involve a date must share an interface that you define. You must formally create this interface and have both PIMAppointment and PIMTodo implement this interface.

PIMManager: You must also create a class named PIMManager that includes a main and provides some way of creating and managing items (from the terminal). You must support the following commands (functionality):
List: print a list of all PIM items
Create: add a new item
Save: save the entire list of items（本次不用做）
Load: read a list of items from a storage（本次不用做）

Welcome to PIM.
—Enter a command (suported commands are List Create Save Load Quit)— List There are 0 items.
—Enter a command (suported commands are List Create Save Load Quit)— Create Enter an item type ( todo, note, contact or
appointment ) todo Enter date for todo item: 04/26/2020 Enter todo
text: Submit java homework. Enter todo priority: urgent
—Enter a command (suported commands are List Create Save Load Quit)— List There are 1 items. Item 1: TODO urgent 04/26/2020 Submit
Java homework.
—Enter a command (suported commands are List Create Save Load Quit)— Save Items have been saved.
—Enter a command (suported commands are List Create Save Load Quit)— Quit

接口方案：PIMEntity
Reimpletement PIMEntity as interface, add change the rest of all code to use it.

设计UML图如下：
在这里插入图片描述
抽象父类题目已给出，只需完成测试类PIMManager、四个子类以及Date日期型接口即可。

下面展示一些 内联代码片。
PIMTodo


import java.text.*;

public class PIMTodo extends PIMEntity implements MyDate{
    public static String kind = "TODO";
    public String Priority; // each TODO has a priority
    public String content; // each TODO has a content
    public java.util.Date deadline = null; // each TODO has a deadline

    // default constructor sets priority to "normal"
    PIMTodo() {
    	Priority = "normal";
    }

    // priority can be established via this constructor.
    PIMTodo(String priority) {
        Priority =  priority;
    }
    
    @Override
    public String getPriority() {
        // TODO Auto-generated method stub
        return Priority;
    }
 
    @Override
    public void setPriority(String p) {
        // TODO Auto-generated method stub
        this.Priority = p;
    }
 
    public String getContent() {
        return content;
    }
 
    public void setContent(String content) {
        this.content = content;
    }
 
    public java.util.Date getDeadline() {
        return deadline;
    }
 
    public void setDeadline(java.util.Date deadline) {
        this.deadline = deadline;
    }
    @Override
    public void fromString(String s) {
        // TODO Auto-generated method stub
        SimpleDateFormat formatter = new SimpleDateFormat("MM/dd/yyyy");
        try {
   	    this.deadline = formatter.parse(s);
        } catch (ParseException e) {
        // TODO Auto-generated catch block
            e.printStackTrace();
        }
  
    }
   
    @Override
    public String toString() {
    // TODO Auto-generated method stub
        return "[" + kind +" " + Priority
            + " " + dateToStr(deadline) + " " + content + "]";
    }

    @Override
    public String dateToStr(java.util.Date ddl) {
    // TODO Auto-generated method stub
        SimpleDateFormat format = new SimpleDateFormat("MM/dd/yyyy");
        String str = format.format(ddl);
        return str;
    }
}

PIMNote

public class PIMNote extends PIMEntity {
    public static String kind = "NOTE";
    public String Priority; // each note has a priority
    public String content; // each note has a content  
    
    PIMNote() {
        Priority = "normal";
    }
    
    PIMNote(String priority){
        this.Priority = priority;
    }
    
    @Override
    public String getPriority() {
        // TODO Auto-generated method stub
        return Priority;
    }
 
    @Override
    public void setPriority(String p) {
        // TODO Auto-generated method stub
        this.Priority = p;
    }

    public String getContent() {
        return content;
    }
 
    public void setContent(String content) {
        this.content = content;
    }

    @Override
    public void fromString(String s) {
        // TODO Auto-generated method stub
        return ;
    }

    @Override
    public String toString() {
        // TODO Auto-generated method stub
        return "[" + kind + " " + Priority
            + " " + content + "]";
    }

}

PIMContact

public class PIMContact extends PIMEntity { 
    public static String kind = "CONTACT";
    public String Priority; // each contact has a priority
    public String firstName;
    public String familyName;
    public String emailAddress;
 
    PIMContact() {
        Priority = "normal";
    }

    public void set(String priority, String fir, String fam, String e){
        this.Priority = priority;
        this.firstName = fir;
        this.familyName = fam;
        this.emailAddress = e;
    }
 
    @Override
    public String getPriority() {
        // TODO Auto-generated method stub
        return super.getPriority();
    }

    @Override
    public void setPriority(String p) {
        // TODO Auto-generated method stub
        super.setPriority(p);
    }
    
    @Override
    public void fromString(String s) {
        // TODO Auto-generated method stub
    }

    @Override
    public String toString() {
        // TODO Auto-generated method stub
        return "[" + kind + " " + Priority
            + " " + firstName + " " + familyName + " " + emailAddress + "]";
    }

}

PIMAppointment

import java.text.*;
import java.util.Date;

public class PIMAppointment extends PIMEntity implements MyDate{  
    public static String kind = "APPOINTMENT";
    public String Priority; // each appointment has a priority
    public String content; // each appointment has a content
    public java.util.Date deadline = null; // each TODO has a deadline

    PIMAppointment() {
        Priority = "normal";
    }
 
    PIMAppointment(String priority){
        this.Priority = priority;
    }

    @Override
    public String getPriority() {
        // TODO Auto-generated method stub
        return super.getPriority();
    }
 
    @Override
    public void setPriority(String p) {
        // TODO Auto-generated method stub
        this.Priority = p;
    }

    public String getContent() {
        return content;
    }
 
    public void setContent(String content) {
        this.content = content;
    }
 
    public java.util.Date getDeadline() {
        return deadline;
    }
 
    public void setDeadline(java.util.Date deadline) {
        this.deadline = deadline;
    }

    @Override
    public void fromString(String s) {
        // TODO Auto-generated method stub
        SimpleDateFormat formatter = new SimpleDateFormat("MM/dd/yyyy");
        //  ParsePosition pos = new ParsePosition(0);
        try {
   	    this.deadline = formatter.parse(s);
  	} catch (ParseException e) {
   	    // TODO Auto-generated catch block
   	    e.printStackTrace();
        }
    }

    @Override
    public String toString() {
        // TODO Auto-generated method stub
        return "[" + kind + " " + Priority
            + " " + dateToStr(deadline) + " " + content + "]";
    }

    @Override
    public String dateToStr(Date date) {
        // TODO Auto-generated method stub
        SimpleDateFormat format = new SimpleDateFormat("MM/dd/yyyy");
        String str = format.format(date);
        return str；
    }
    
}

MyDate

public interface MyDate {
    public String dateToStr(java.util.Date date);
}

PIMManager——测试类

import java.util.LinkedList;
import java.util.Queue;
import java.util.Scanner;

public class PIMManager {
    //save the 100 operation
    public static Queue<String> operate = new LinkedList<String>(); 
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Scanner in = new Scanner(System.in); //创建Scanner对象
        System.out.println("Welcome to PIM.");
        String command = null;
	while (!"Quit".equals(command)) {
   	    int k = 1;
	    System.out.println("---Enter a command (suported commands are List Create Save Load Quit)---");
   	    command = in.nextLine(); //获取输入的一行字符串
   	    switch (command) {
    		case "List":
     		    System.out.println("There are " + operate.size() + " items.");
     		    if(operate.size() > 0)
      		        for(String s:operate) {
                   	    System.out.println("Item "+ k + ": " + s);
                   	    k++;
                        }
                    break;
                case "Create":
     		    System.out.println("Enter an item type ( todo, note, contact or appointment )");
     		    String subcmd = in.nextLine();
     		    switch (subcmd) {	
			   case "todo":
			       PIMTodo todo = new PIMTodo();
			       // input date(String format), then turn it into Date format
			       System.out.println("Enter date for todo item: ");
			       String dt = in.nextLine();
			       todo.fromString(dt);
			       // input specific content
			       System.out.println("Enter todo text:");
			       String ct = in.nextLine();
			       todo.setContent(ct);
			       // input priority
			       System.out.println("Enter todo priority:");
			       System.out.println("AVAILABLE: ex-urgent , urgent , normal, unrestricted");
			       String pr = in.nextLine();
			       todo.setPriority(pr);
			       String opt = todo.toString();
			       operate.add(opt);
			       break;
			   case "note":
			       PIMNote note = new PIMNote();
			       // input specific content
			       System.out.println("Enter note text:");
			       String ct1 = in.nextLine();
			       note.setContent(ct1);
			       // input priority
			       System.out.println("Enter note priority:");
			       System.out.println("AVAILABLE: ex-urgent , urgent , normal, unrestricted");
			       String pr1 = in.nextLine();
			       note.setPriority(pr1);
			       String opt1 = note.toString();
			       operate.add(opt1);
			       break;
			   case "appointment":
			       PIMAppointment appointment = new PIMAppointment();
			       // input date(String format), then turn it into Date format
			       System.out.println("Enter date for appointment item: ");
			       String dt1 = in.nextLine();
			       appointment.fromString(dt1);
			       // input specific content
			       System.out.println("Enter appointment text:");
			       String ct2 = in.nextLine();
			       appointment.setContent(ct2);
			       // input priority
			       System.out.println("Enter appointment priority:");
			       System.out.println("AVAILABLE: ex-urgent , urgent , normal, unrestricted");
			       String pr2 = in.nextLine();
			       appointment.setPriority(pr2);
			       String opt2 = appointment.toString();
			       operate.add(opt2);
			       break;
			   case "contact":
			       PIMContact contact = new PIMContact();
			       // input priority
			       System.out.println("Enter contact priority:");
			       System.out.println("AVAILABLE: ex-urgent , urgent , normal, unrestricted");
			       String pr3 = in.nextLine();
			       System.out.println("Enter contact firstname:");
			       String firn = in.nextLine();
			       System.out.println("Enter contact familyname:");
			       String famn = in.nextLine();
			       System.out.println("Enter contact email address:");
			       String ea = in.nextLine();
			       // initialize new PIMContact
			       contact.set(pr3, firn, famn, ea);
			       String opt3 = contact.toString();
			       operate.add(opt3);
			       break;
			   default:
			       System.out.println("Invalid Command! ");
			       break;
     		    }
    		case "Save":
     		    System.out.println("Items have been saved.");
     		    break;
   		case "Load":
    		case "Quit":
    		    break;
    		default:
     		    System.out.println("Invalid Command! ");
     		    break;
            }   
            in.close();
       }
}
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