http://drive.google.com/uc?export=view&id=0ByLqiEM75qEzUEFJUWVPM3AzMWc
Template method 패턴
http://drive.google.com/uc?export=view&id=0ByLqiEM75qEzeDkzU2xCT1RtbzA
Template method 패턴-예제
public abstract class AbstractDisplay {
public abstract void open();
public abstract void print();
public abstract void close();
public final void display() {
open();
for (int i = 0; i < 5; i++) {
print();
}
close();
}
}
public class CharDisplay extends AbstractDisplay {
private char ch;
public CharDisplay(char ch) {
this.ch = ch;
}
@Override
public void open() {
System.out.print("<<");
}
@Override
public void print() {
System.out.print(ch);
}
@Override
public void close() {
System.out.println(">>");
}
}
public class StringDisplay extends AbstractDisplay {
private String string;
private int width;
public StringDisplay(String string) {
this.string = string;
this.width = string.getBytes().length;
}
@Override
public void open() {
printLine();
}
@Override
public void print() {
System.out.println("|" + string + "|");
}
@Override
public void close() {
printLine();
}
private void printLine() {
System.out.print("+");
for (int i = 0; i < width; i++) {
System.out.print("-");
}
System.out.println("+");
}
}
public class Main {
public static void main(String[] args) {
AbstractDisplay d1 = new CharDisplay('H');
AbstractDisplay d2 = new StringDisplay("Hello, world.");
AbstractDisplay d3 = new StringDisplay("안녕하세요.");
d1.display();
d2.display();
d3.display();
}
}