Abstract Factory 패턴
이다.http://drive.google.com/uc?export=view&id=0ByLqiEM75qEzbl9uUl85WlhrQzA
Abstract Factory 패턴
http://drive.google.com/uc?export=view&id=0ByLqiEM75qEzR2h2dFRMUHM0YlE
Abstract Factory 패턴-예제
http://drive.google.com/uc?export=view&id=0ByLqiEM75qEzbDVUUll0VWVBQ0E
Abstract Factory 패턴-패키지
public class Main {
public static void main(String[] args) {
if (args.length != 1) {
System.out.println("Usage: java Main class.name.of.ConcreteFactory");
System.out.println("Example 1: java Main listfactory.ListFactory");
System.out.println("Example 2: java Main tablefactory.TableFactory");
System.exit(0);
}
Factory factory = Factory.getFactory(args[0]);
Link joins = factory.createLink("중앙일보", "<http://www.joins.com>");
Link hani = factory.createLink("한계레 신문", "<http://www.hani.co.kr/>");
Link us_yahoo = factory.createLink("Yahoo!", "<http://www.yahoo.com/>");
Link kr_yahoo = factory.createLink("Yahoo!korea", "<http://www.yahoo.co.kr/>");
Link excite = factory.createLink("Excite", "<http://www.excite.com/>");
Link google = factory.createLink("Google", "<http://www.google.com/>");
Tray traynews = factory.createTray("신문");
traynews.add(joins);
traynews.add(hani);
Tray trayyahoo = factory.createTray("Yahoo!");
trayyahoo.add(us_yahoo);
trayyahoo.add(kr_yahoo);
Tray traysearch = factory.createTray("서치엔진");
traysearch.add(trayyahoo);
traysearch.add(excite);
traysearch.add(google);
Page page = factory.createPage("LinkPage", "홍길동");
page.add(traynews);
page.add(traysearch);
page.output();
}
}
public abstract class Factory {
public static Factory getFactory(String classname) {
Factory factory = null;
try {
factory = (Factory)Class.forName(classname).newInstance();
} catch (ClassNotFoundException e) {
System.err.println("클래스 " + classname + " 발견되지 않았습니다.");
} catch (Exception e) {
e.printStackTrace();
}
return factory;
}
public abstract Link createLink(String caption, String url);
public abstract Tray createTray(String caption);
public abstract Page createPage(String title, String author);
}
public abstract class Item {
protected String caption;
public Item(String caption) {
this.caption = caption;
}
public abstract String makeHTML();
}
public abstract class Link extends Item {
protected String url;
public Link(String caption, String url) {
super(caption);
this.url = url;
}
}
public abstract class Tray extends Item {
protected Vector tray = new Vector();
public Tray(String caption) {
super(caption);
}
public void add(Item item) {
tray.add(item);
}
}
public abstract class Page {
protected String title;
protected String author;
protected Vector content = new Vector();
public Page(String title, String author) {
this.title = title;
this.author = author;
}
public void add(Item item) {
content.add(item);
}
public void output() {
try {
String filename = title + ".html";
Writer writer = new FileWriter(filename);
writer.write(this.makeHTML());
writer.close();
System.out.println(filename + "을 작성했습니다.");
} catch (IOException e) {
e.printStackTrace();
}
}
public abstract String makeHTML();
}
public class ListFactory extends Factory {
public Link createLink(String caption, String url) {
return new ListLink(caption, url);
}
public Tray createTray(String caption) {
return new ListTray(caption);
}
public Page createPage(String title, String author) {
return new ListPage(title, author);
}
}
public class ListLink extends Link {
public ListLink(String caption, String url) {
super(caption, url);
}
public String makeHTML() {
return " <li><a href=\\"" + url + "\\">" + caption + "</a></li>\\n";
}
}
public class ListTray extends Tray {
public ListTray(String caption) {
super(caption);
}
public String makeHTML() {
StringBuffer buffer = new StringBuffer();
buffer.append("<li>\\n");
buffer.append(caption + "\\n");
buffer.append("<ul>\\n");
Iterator it = tray.iterator();
while (it.hasNext()) {
Item item = (Item)it.next();
buffer.append(item.makeHTML());
}
buffer.append("</ul>\\n");
buffer.append("</li>\\n");
return buffer.toString();
}
}
public class ListPage extends Page {
public ListPage(String title, String author) {
super(title, author);
}
public String makeHTML() {
StringBuffer buffer = new StringBuffer();
buffer.append("<html><head><title>" + title + "</title></head>\\n");
buffer.append("<body>\\n");
buffer.append("<h1>" + title + "</h1>\\n");
buffer.append("<ul>\\n");
Iterator it = content.iterator();
while (it.hasNext()) {
Item item = (Item)it.next();
buffer.append(item.makeHTML());
}
buffer.append("</ul>\\n");
buffer.append("<hr><address>" + author + "</address>");
buffer.append("</body></html>\\n");
return buffer.toString();
}
}
public class TableFactory extends Factory {
public Link createLink(String caption, String url) {
return new TableLink(caption, url);
}
public Tray createTray(String caption) {
return new TableTray(caption);
}
public Page createPage(String title, String author) {
return new TablePage(title, author);
}
}
public class TableLink extends Link {
public TableLink(String caption, String url) {
super(caption, url);
}
public String makeHTML() {
return "<td><a href=\\"" + url + "\\">" + caption + "</a></td>\\n";
}
}
public class TableTray extends Tray {
public TableTray(String caption) {
super(caption);
}
public String makeHTML() {
StringBuffer buffer = new StringBuffer();
buffer.append("<td>");
buffer.append("<table width=\\"100%\\" border=\\"1\\"><tr>");
buffer.append("<td bgcolor=\\"#cccccc\\" align=\\"center\\" colspan=\\""+ tray.size() + "\\"><b>" + caption + "</b></td>");
buffer.append("</tr>\\n");
buffer.append("<tr>\\n");
Iterator it = tray.iterator();
while (it.hasNext()) {
Item item = (Item)it.next();
buffer.append(item.makeHTML());
}
buffer.append("</tr></table>");
buffer.append("</td>");
return buffer.toString();
}
}
public class TablePage extends Page {
public TablePage(String title, String author) {
super(title, author);
}
public String makeHTML() {
StringBuffer buffer = new StringBuffer();
buffer.append("<html><head><title>" + title + "</title></head>\\n");
buffer.append("<body>\\n");
buffer.append("<h1>" + title + "</h1>\\n");
buffer.append("<table width=\\"80%\\" border=\\"3\\">\\n");
Iterator it = content.iterator();
while (it.hasNext()) {
Item item = (Item)it.next();
buffer.append("<tr>" + item.makeHTML() + "</tr>");
}
buffer.append("</table>\\n");
buffer.append("<hr><address>" + author + "</address>");
buffer.append("</body></html>\\n");
return buffer.toString();
}
}