Archive.java from crlove at Krugle

Show Archive.java syntax highlighted

package com.witfriend.arthemis.domain;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Iterator;
import java.util.List;
import java.util.TimeZone;

import org.apache.commons.lang.time.DateUtils;

/**
 * 
 * @author wangyz
 * @since 2006.10.05
 * @version $Id$
 */
public class Archive implements Serializable {
	private static final long serialVersionUID = 193370535157531140L;
	
	private Calendar date;
	private Boolean monthly;
	private Weblog weblog;
	
	public Calendar getDate() {
		return date;
	}
	
	public void setDate(Calendar date) {
		this.date = date;
	}
	
	public Boolean getMonthly() {
		return monthly;
	}
	
	public void setMonthly(Boolean monthly) {
		this.monthly = monthly;
	}
	
	public Weblog getWeblog() {
		return weblog;
	}
	
	public void setWeblog(Weblog weblog) {
		this.weblog = weblog;
	}
	
	public List<Article> getArticles() {
		List<Article> articles = new ArrayList<Article>();
		
		for(Article article: weblog.getArticles()) {
			Calendar time = article.getTime();
			
			time.setTimeZone(date.getTimeZone());
			
			if(DateUtils.isSameInstant(date, DateUtils.truncate(time, getMonthly() ? Calendar.MONTH : Calendar.DAY_OF_MONTH))) {
				articles.add(article);
			}
		}
		
		return articles;
	}
	
	public List<Category> getCategories() {
		List<Article> articles = getArticles();
		List<Category> categories = new ArrayList<Category>();
		
		for(Article article: articles) {
			Category category = article.getCategory();
			
			if(!categories.contains(category)) {
				for(Iterator<Article> iterator = category.getArticles().iterator(); iterator.hasNext();) {
					if(!articles.contains(iterator.next())) {
						iterator.remove();
					}
				}
				
				categories.add(category);
			}
		}
		
		return categories;
	}
	
	public List<Comment> getComments() {
		return Comment.getComments(getArticles());
	}
	
	public List<Trackback> getTrackbacks() {
		return Trackback.getTrackbacks(getArticles());
	}
	
	/**
	 * Extract all available archives from a list
	 * of articles according to a given time zone.
	 * @param articles
	 * @param timeZone
	 * @return
	 */
	static List<Archive> getArchives(List<Article> articles, TimeZone timeZone) {
		List<Archive> archives = new ArrayList<Archive>();
		
		for(Article article: articles) {
			Calendar time = article.getTime();
			
			time.setTimeZone(timeZone);
			
			time = DateUtils.truncate(time, Calendar.MONTH);
			
			boolean exists = false;
			
			for(Archive archive: archives) {
				if(DateUtils.isSameInstant(time, archive.getDate())) {
					exists = true;
				}
			}
			
			if(!exists) {
				Archive archive = new Archive();
				
				archive.setDate(time);
				archive.setMonthly(true);
				archive.setWeblog(article.getCategory().getWeblog());
				
				archives.add(archive);
			}
		}
		
		return archives;
	}
}
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