From c472f67194c359d172d3abe5be1fc1835090b9ed Mon Sep 17 00:00:00 2001
From: Alex Fan <alex616418@gmail.com>
Date: Fri, 10 Apr 2015 23:26:28 -0700
Subject: [PATCH] multi-thread downloading

---
 .../{Downloader.java => DownloadThread.java}  | 15 +++++++--
 slave/Slave.java                              | 33 +++++++++++++++++--
 2 files changed, 44 insertions(+), 4 deletions(-)
 rename slave/{Downloader.java => DownloadThread.java} (84%)

diff --git a/slave/Downloader.java b/slave/DownloadThread.java
similarity index 84%
rename from slave/Downloader.java
rename to slave/DownloadThread.java
index 4fbc353..ca380ea 100644
--- a/slave/Downloader.java
+++ b/slave/DownloadThread.java
@@ -8,11 +8,22 @@
  
 import javax.net.ssl.HttpsURLConnection;
  
-public class Downloader {
+public class DownloadThread extends Thread{
 	private static final String USER_AGENT = "Mozilla/5.0";
         private static final String parentURL = "http://www.zhihu.com/question/";
+        private int num;
+
+        public DownloadThread(int num){
+            this.num = num;
+        }
+
+        @Override
+        public void run(){
+            downloadByGet(num);
+        }
+
 	// HTTP GET request
-	public static void downloadByGet(int id){
+	private static void downloadByGet(int id){
                 PrintWriter out = null;
 
                 try {
diff --git a/slave/Slave.java b/slave/Slave.java
index de10bd3..ddcd0f8 100644
--- a/slave/Slave.java
+++ b/slave/Slave.java
@@ -1,7 +1,36 @@
+import java.util.*;
+import java.awt.event.*;
+
 public class Slave {
     public static void main (String[] args) {
-        Downloader.downloadByGet(20727479);
-        HTMLParser.getQuestionsIDs(20727479);
+        //DownloadService service = new DownloadService();
+        //Thread t = new Thread(service);
+        //service.start();
+
+        TreeSet<Integer> idset = new TreeSet<Integer>();
+        idset.add(22266015);
+        idset.add(19566985);
+        idset.add(21826476);
+        idset.add(19561631);
+        idset.add(19566980);
+        idset.add(19566985);
+        idset.add(19801697);
+        idset.add(19810462);
+        idset.add(19902415);
+        idset.add(20014415);
+        idset.add(20120168);
+        idset.add(20187542);
+        idset.add(20200749);
+        idset.add(20261859);
+        idset.add(20376438);
+        idset.add(20727479);
+
+
+        while(!idset.isEmpty()){
+            Thread t = new DownloadThread(idset.pollFirst());
+            t.start();
+        }
+        System.err.println("Done");
         
     }