libsys.java

一个学生登陆学校library

				if(arrayOfStaffs[index].getItemBorrowed()==0)
				{
					for(int i=index;i<numberOfStaff-1;i++)
					{
						arrayOfStaffs[i]=arrayOfStaffs[i+1];
					}
					numberOfStaff--;
				}//delete the element from the array. Copy the rest element one position forward.
				else System.out.println("ERR_DELETE: "+deleteID+" can not be deleted! Should return all borrowed items first.");
			}
		}
		else if(commander.equalsIgnoreCase("DEL_iTEM"))
		{
			int index=matchString(deleteID,arrayOfItems);
			if(arrayOfItems[index].getAvailable())
			{
				for(int i=index;i<numberOfItem-1;i++)
				{
					arrayOfItems[i]=arrayOfItems[i+1];
				}
				numberOfItem--;
			}//delete the element from the array. Copy the rest element one position forward.
			else System.out.println("ERR_DELETE: "+deleteID+" can not be deleted! It should be returned first.");
		}
	}
	public void returnItems(String readLine)
	{
		String delimiters=" ";
		StringTokenizer wordFactory=new StringTokenizer(readLine,delimiters);
		@SuppressWarnings("unused")
		String commander=wordFactory.nextToken();
		String returnID=wordFactory.nextToken();
		int indexOfItem=matchString(returnID,arrayOfItems);
		if(arrayOfItems[indexOfItem].getAvailable())
		{
			System.out.println("ERR_RETURN: "+returnID+" has not been borrowed!");
		}
		else
		{
			String memberID=arrayOfItems[indexOfItem].getKeeper();//get the ID who borrowed the item.
			if(memberID.startsWith("STUD"))
			{
				int indexOfStudent=matchString(memberID,arrayOfStudents);
				arrayOfStudents[indexOfStudent].returnItem(arrayOfStudents, indexOfStudent, arrayOfItems, indexOfItem);
			}
			else if(memberID.startsWith("STAFF"))
			{
				int indexOfStaff=matchString(memberID,arrayOfStaffs);	
				arrayOfStaffs[indexOfStaff].returnItem(arrayOfStaffs, indexOfStaff, arrayOfItems, indexOfItem);
			}
		}
	}
	public void list(String readLine)
	{
		String delimiters=" ";
		StringTokenizer wordFactory=new StringTokenizer(readLine,delimiters);
		String commander=wordFactory.nextToken();
		if(commander.equalsIgnoreCase("LIST_MEMB"))
		{
			if(wordFactory.hasMoreTokens())//Chech if the commander is requiring a full list or details of a certain ID.
			{
				String memberID=wordFactory.nextToken();
				if(memberID.startsWith("STUD"))//List the details of a certain student.
				{
					int indexOfStudent=matchString(memberID,arrayOfStudents);
				    if(arrayOfStudents[indexOfStudent].getItemBorrowed()==0)
				    {
				    	System.out.println(arrayOfStudents[indexOfStudent].getMemberID()+","+arrayOfStudents[indexOfStudent].getGivenName()+","+arrayOfStudents[indexOfStudent].getFamilyName()+","+arrayOfStudents[indexOfStudent].getBirthday()+","+arrayOfStudents[indexOfStudent].getEmail()+","+arrayOfStudents[indexOfStudent].getTelephoneNumber());
				    }//List the ID have not borrowed any items.
				    else
				    {
				    	String[] item=new String[10];
				    	for(int i=0;i<arrayOfStudents[indexOfStudent].getItemBorrowed();i++)
				    	{
				    		item[i]=arrayOfStudents[indexOfStudent].getItemList()[i];
				    	}//Copy the borrowed item list to a new array.
				    	for(int i=0;i<arrayOfStudents[indexOfStudent].getItemBorrowed()-1;i++)
				    	{
				    		int min=i;
				    		for(int j=i+1;j<arrayOfStudents[indexOfStudent].getItemBorrowed();j++)
				    			if(item[j].compareTo(item[min])<0)min=j;
				    	    String temp;
				    	    temp=item[i];item[i]=item[min];item[min]=temp;
				    	}//Sort the copyed array.
				    	System.out.print(arrayOfStudents[indexOfStudent].getMemberID()+","+arrayOfStudents[indexOfStudent].getGivenName()+","+arrayOfStudents[indexOfStudent].getFamilyName()+","+arrayOfStudents[indexOfStudent].getBirthday()+","+arrayOfStudents[indexOfStudent].getEmail()+","+arrayOfStudents[indexOfStudent].getTelephoneNumber());
						for(int i=0;i<arrayOfStudents[indexOfStudent].getItemBorrowed();i++)
						{
							System.out.print(","+item[i]);
						}//List the borrow item in ascending order.
						System.out.println();
				    }
				}
				else if(memberID.startsWith("STAFF"))//list the details of a certain staff.
				{
					int indexOfStaff=matchString(memberID,arrayOfStaffs);
					if(arrayOfStaffs[indexOfStaff].getItemBorrowed()==0)
					{
						System.out.println(arrayOfStaffs[indexOfStaff].getMemberID()+","+arrayOfStaffs[indexOfStaff].getGivenName()+","+arrayOfStaffs[indexOfStaff].getFamilyName()+","+arrayOfStaffs[indexOfStaff].getBirthday()+","+arrayOfStaffs[indexOfStaff].getEmail()+","+arrayOfStaffs[indexOfStaff].getTelephoneNumber());
					}//List the ID have not borrowed any items.
					else
					{
						String[] item=new String[10];
				    	for(int i=0;i<arrayOfStaffs[indexOfStaff].getItemBorrowed();i++)
				    	{
				    		item[i]=arrayOfStaffs[indexOfStaff].getItemList()[i];
				    	}//Copy the borrowed item list to a new array.
				    	for(int i=0;i<arrayOfStaffs[indexOfStaff].getItemBorrowed()-1;i++)
				    	{
				    		int min=i;
				    		for(int j=i+1;j<arrayOfStaffs[indexOfStaff].getItemBorrowed();j++)
				    			if(item[j].compareTo(item[min])<0)min=j;
				    	    String temp;
				    	    temp=item[i];item[i]=item[min];item[min]=temp;
				    	}//Sort the copyed array.
						System.out.print(arrayOfStaffs[indexOfStaff].getMemberID()+","+arrayOfStaffs[indexOfStaff].getGivenName()+","+arrayOfStaffs[indexOfStaff].getFamilyName()+","+arrayOfStaffs[indexOfStaff].getBirthday()+","+arrayOfStaffs[indexOfStaff].getEmail()+","+arrayOfStaffs[indexOfStaff].getTelephoneNumber());
						for(int i=0;i<arrayOfStaffs[indexOfStaff].getItemBorrowed();i++)
						{
							System.out.print(","+item[i]);
						}//List the borrow item in ascending order.
						System.out.println();
					}
				}
			}
			else//Display full list of staff and student.
			{
				Staff[] sortedArrayOfStaffs=new Staff[100];
				for(int i=0;i<numberOfStaff;i++)
				{
					sortedArrayOfStaffs[i]=arrayOfStaffs[i];
				}//Copy array of staff to the new array.
				for(int i=0;i<numberOfStaff-1;i++)
				{
					int min=i;
					for(int j=i+1;j<numberOfStaff;j++)
					{
						if(sortedArrayOfStaffs[j].getMemberID().compareTo(sortedArrayOfStaffs[min].getMemberID())<0)min=j;
					}
					Staff temp;
					temp=sortedArrayOfStaffs[i];sortedArrayOfStaffs[i]=sortedArrayOfStaffs[min];sortedArrayOfStaffs[min]=temp;
				}//Sort the copyed array.
				Student[] sortedArrayOfStudent=new Student[100];
				for(int i=0;i<numberOfStudent;i++)
				{
					sortedArrayOfStudent[i]=arrayOfStudents[i];
				}//Copy array of student to the new array.
				for(int i=0;i<numberOfStudent-1;i++)
				{
					int min=i;
					for(int j=i+1;j<numberOfStudent;j++)
					{
						if(sortedArrayOfStudent[j].getMemberID().compareTo(sortedArrayOfStudent[min].getMemberID())<0)min=j;
					}
					Student temp;
					temp=sortedArrayOfStudent[i];sortedArrayOfStudent[i]=sortedArrayOfStudent[min];sortedArrayOfStudent[min]=temp;
				}//Sort the copyed array.
				for(int i=0;i<numberOfStaff;i++)//list the all the staff.
				{
					
					if(sortedArrayOfStaffs[i].getItemBorrowed()==0)
					{
						System.out.println(sortedArrayOfStaffs[i].getMemberID()+","+sortedArrayOfStaffs[i].getGivenName()+","+sortedArrayOfStaffs[i].getFamilyName()+","+sortedArrayOfStaffs[i].getBirthday()+","+sortedArrayOfStaffs[i].getEmail()+","+sortedArrayOfStaffs[i].getTelephoneNumber());
					}
					else
					{
						String[] item=new String[10];
				    	for(int a=0;a<sortedArrayOfStaffs[i].getItemBorrowed();a++)
				    	{
				    		item[a]=sortedArrayOfStaffs[i].getItemList()[a];
				    	}//Copy the borrowed item list to a new array.
				    	for(int a=0;a<sortedArrayOfStaffs[i].getItemBorrowed()-1;a++)
				    	{
				    		int min=a;
				    		for(int j=a+1;j<sortedArrayOfStaffs[i].getItemBorrowed();j++)
				    			if(item[j].compareTo(item[min])<0)min=j;
				    	    String temp;
				    	    temp=item[a];item[a]=item[min];item[min]=temp;
				    	}//Sort the copyed array.
						System.out.print(sortedArrayOfStaffs[i].getMemberID()+","+sortedArrayOfStaffs[i].getGivenName()+","+sortedArrayOfStaffs[i].getFamilyName()+","+sortedArrayOfStaffs[i].getBirthday()+","+sortedArrayOfStaffs[i].getEmail()+","+sortedArrayOfStaffs[i].getTelephoneNumber());
						for(int j=0;j<sortedArrayOfStaffs[i].getItemBorrowed();j++)
						{
							System.out.print(","+item[j]);
						}
						System.out.println();
					}
				}
				for(int x=0;x<numberOfStudent;x++)//list all the student.
				{
					if(sortedArrayOfStudent[x].getItemBorrowed()==0)
					{
						System.out.println(sortedArrayOfStudent[x].getMemberID()+","+sortedArrayOfStudent[x].getGivenName()+","+sortedArrayOfStudent[x].getFamilyName()+","+sortedArrayOfStudent[x].getBirthday()+","+sortedArrayOfStudent[x].getEmail()+","+sortedArrayOfStudent[x].getTelephoneNumber());
					}
					else
					{
						String[] item=new String[10];
				    	for(int i=0;i<sortedArrayOfStudent[x].getItemBorrowed();i++)
				    	{
				    		item[i]=sortedArrayOfStudent[x].getItemList()[i];
				    	}//Copy the borrowed item list to a new array.
				    	for(int i=0;i<sortedArrayOfStudent[x].getItemBorrowed()-1;i++)
				    	{
				    		int min=i;
				    		for(int j=i+1;j<sortedArrayOfStudent[x].getItemBorrowed();j++)
				    			if(item[j].compareTo(item[min])<0)min=j;
				    	    String temp;
				    	    temp=item[i];item[i]=item[min];item[min]=temp;
				    	}
						System.out.print(sortedArrayOfStudent[x].getMemberID()+","+sortedArrayOfStudent[x].getGivenName()+","+sortedArrayOfStudent[x].getFamilyName()+","+sortedArrayOfStudent[x].getBirthday()+","+sortedArrayOfStudent[x].getEmail()+","+sortedArrayOfStudent[x].getTelephoneNumber());
						for(int y=0;y<sortedArrayOfStudent[x].getItemBorrowed();y++)
						{
							System.out.print(","+item[y]);
						}
						System.out.println();
					}
				}
			}
		}
		else if(commander.equalsIgnoreCase("LIST_ITEM"))
		{
			if(wordFactory.hasMoreTokens())//list details of a certain item.
			{
				String itemID=wordFactory.nextToken();
				int indexOfItem=matchString(itemID,arrayOfItems);
				System.out.println(arrayOfItems[indexOfItem].getCallNumer()+","+arrayOfItems[indexOfItem].getTitle()+","+arrayOfItems[indexOfItem].getAuthor()+","+arrayOfItems[indexOfItem].getPublisher()+","+arrayOfItems[indexOfItem].getDateOfPublication());
			}
			else//display full list.
			{
				PrintedResource[] sortedArrayOfItems=new PrintedResource[100];
				for(int i=0;i<numberOfItem;i++)
				{
					sortedArrayOfItems[i]=arrayOfItems[i];
				}//copy array of items to new array.
				for(int i=0;i<numberOfItem-1;i++)
				{
					int min=i;
					for(int j=i+1;j<numberOfItem;j++)
					{
						if(sortedArrayOfItems[j].getCallNumer().compareTo(sortedArrayOfItems[min].getCallNumer())<0)min=j;
					}
					PrintedResource temp;
					temp=sortedArrayOfItems[i];sortedArrayOfItems[i]=sortedArrayOfItems[min];sortedArrayOfItems[min]=temp;
				}//sort the array.
				for(int i=0;i<numberOfItem;i++)
				{
					System.out.println(sortedArrayOfItems[i].getCallNumer()+","+sortedArrayOfItems[i].getTitle()+","+sortedArrayOfItems[i].getAuthor()+","+sortedArrayOfItems[i].getPublisher()+","+sortedArrayOfItems[i].getDateOfPublication());
				}
			}
		}
	}
	public void count(String readLine)
	{
		if(readLine.equalsIgnoreCase("COUNT_MEMB"))
		{
			int numberOfMember=numberOfStudent+numberOfStaff;
			System.out.println(numberOfMember);
		}
		else if(readLine.equalsIgnoreCase("COUNT_ITEM"))
		{
			System.out.println(numberOfItem);
		}
	}
}