DownloadCacheCoverWorker.java

package org.arong.egdownloader.ui.work;

import java.io.File;
import java.util.List;

import javax.swing.SwingWorker;

import org.arong.egdownloader.model.SearchTask;
import org.arong.egdownloader.spider.WebClient;
import org.arong.egdownloader.ui.ComponentConst;
import org.arong.egdownloader.ui.window.EgDownloaderWindow;
import org.arong.util.FileUtil;
/**
 * 搜索漫画缓存封面下载的线程
 * @author dipoo
 * @since 2015-03-15
 */
public class DownloadCacheCoverWorker extends SwingWorker<Void, Void>{
	private List<SearchTask> tasks;
	private EgDownloaderWindow mainWindow;
	public DownloadCacheCoverWorker(List<SearchTask> tasks, EgDownloaderWindow mainWindow){
		this.mainWindow = mainWindow;
		this.tasks = tasks;
	}
	
	protected Void doInBackground() throws Exception {
		SearchTask task;
		String localPath;
		File cover;
		if(tasks != null){
			for(int i = 0; i < tasks.size(); i ++){
				task = tasks.get(i);
				localPath = ComponentConst.CACHE_PATH + "/" + FileUtil.filterDir(task.getUrl());
				cover = new File(localPath);
				if(cover == null || !cover.exists()){
					try{
						FileUtil.storeStream(ComponentConst.CACHE_PATH, FileUtil.filterDir(task.getUrl()),
								WebClient.getStreamUseJavaWithCookie(task.getCoverUrl(), mainWindow.setting.getCookieInfo()));
					}catch(Exception e){
						//最多下两次
						try{
							FileUtil.storeStream(ComponentConst.CACHE_PATH, FileUtil.filterDir(task.getUrl()),
									WebClient.getStreamUseJavaWithCookie(task.getCoverUrl(), mainWindow.setting.getCookieInfo()));
						}catch(Exception e1){
							
						}
					}
				}
			}
		}
		return null;
	}

}