001 package net.minecraft.util;
002
003 import cpw.mods.fml.relauncher.Side;
004 import cpw.mods.fml.relauncher.SideOnly;
005 import java.io.DataInputStream;
006 import java.io.DataOutputStream;
007 import java.io.File;
008 import java.io.FileOutputStream;
009 import java.io.IOException;
010 import java.net.URL;
011 import java.net.URLConnection;
012
013 import javax.xml.parsers.DocumentBuilder;
014 import javax.xml.parsers.DocumentBuilderFactory;
015 import net.minecraft.client.Minecraft;
016 import org.w3c.dom.Document;
017 import org.w3c.dom.Element;
018 import org.w3c.dom.Node;
019 import org.w3c.dom.NodeList;
020
021 @SideOnly(Side.CLIENT)
022 public class ThreadDownloadResources extends Thread
023 {
024 /** The folder to store the resources in. */
025 public File resourcesFolder;
026
027 /** A reference to the Minecraft object. */
028 private Minecraft mc;
029
030 /** Set to true when Minecraft is closing down. */
031 private boolean closing = false;
032
033 public ThreadDownloadResources(File par1File, Minecraft par2Minecraft)
034 {
035 this.mc = par2Minecraft;
036 this.setName("Resource download thread");
037 this.setDaemon(true);
038 this.resourcesFolder = new File(par1File, "resources/");
039
040 if (!this.resourcesFolder.exists() && !this.resourcesFolder.mkdirs())
041 {
042 throw new RuntimeException("The working directory could not be created: " + this.resourcesFolder);
043 }
044 }
045
046 public void run()
047 {
048 try
049 {
050 URL var1 = new URL("http://s3.amazonaws.com/MinecraftResources/");
051 DocumentBuilderFactory var2 = DocumentBuilderFactory.newInstance();
052 DocumentBuilder var3 = var2.newDocumentBuilder();
053 //Add a timeout of 60 seconds to getting the list, MC stalls without sound for some users.
054 URLConnection con = var1.openConnection();
055 con.setConnectTimeout(60000);
056 con.setReadTimeout(60000);
057 Document var4 = var3.parse(con.getInputStream());
058 NodeList var5 = var4.getElementsByTagName("Contents");
059
060 for (int var6 = 0; var6 < 2; ++var6)
061 {
062 for (int var7 = 0; var7 < var5.getLength(); ++var7)
063 {
064 Node var8 = var5.item(var7);
065
066 if (var8.getNodeType() == 1)
067 {
068 Element var9 = (Element)var8;
069 String var10 = var9.getElementsByTagName("Key").item(0).getChildNodes().item(0).getNodeValue();
070 long var11 = Long.parseLong(var9.getElementsByTagName("Size").item(0).getChildNodes().item(0).getNodeValue());
071
072 if (var11 > 0L)
073 {
074 this.downloadAndInstallResource(var1, var10, var11, var6);
075
076 if (this.closing)
077 {
078 return;
079 }
080 }
081 }
082 }
083 }
084 }
085 catch (Exception var13)
086 {
087 this.loadResource(this.resourcesFolder, "");
088 var13.printStackTrace();
089 }
090 }
091
092 /**
093 * Reloads the resource folder and passes the resources to Minecraft to install.
094 */
095 public void reloadResources()
096 {
097 this.loadResource(this.resourcesFolder, "");
098 }
099
100 /**
101 * Loads a resource and passes it to Minecraft to install.
102 */
103 private void loadResource(File par1File, String par2Str)
104 {
105 File[] var3 = par1File.listFiles();
106
107 for (int var4 = 0; var4 < var3.length; ++var4)
108 {
109 if (var3[var4].isDirectory())
110 {
111 this.loadResource(var3[var4], par2Str + var3[var4].getName() + "/");
112 }
113 else
114 {
115 try
116 {
117 this.mc.installResource(par2Str + var3[var4].getName(), var3[var4]);
118 }
119 catch (Exception var6)
120 {
121 System.out.println("Failed to add " + par2Str + var3[var4].getName());
122 }
123 }
124 }
125 }
126
127 /**
128 * Downloads the resource and saves it to disk then installs it.
129 */
130 private void downloadAndInstallResource(URL par1URL, String par2Str, long par3, int par5)
131 {
132 try
133 {
134 int var6 = par2Str.indexOf("/");
135 String var7 = par2Str.substring(0, var6);
136
137 if (var7.equalsIgnoreCase("sound3"))
138 {
139 if (par5 != 0)
140 {
141 return;
142 }
143 }
144 else if (par5 != 1)
145 {
146 return;
147 }
148
149 File var8 = new File(this.resourcesFolder, par2Str);
150
151 if (!var8.exists() || var8.length() != par3)
152 {
153 var8.getParentFile().mkdirs();
154 String var9 = par2Str.replaceAll(" ", "%20");
155 this.downloadResource(new URL(par1URL, var9), var8, par3);
156
157 if (this.closing)
158 {
159 return;
160 }
161 }
162
163 this.mc.installResource(par2Str, var8);
164 }
165 catch (Exception var10)
166 {
167 var10.printStackTrace();
168 }
169 }
170
171 /**
172 * Downloads the resource and saves it to disk.
173 */
174 private void downloadResource(URL par1URL, File par2File, long par3) throws IOException
175 {
176 byte[] var5 = new byte[4096];
177 //Add a timeout of 60 seconds to getting the list, MC stalls without sound for some users.
178 URLConnection con = par1URL.openConnection();
179 con.setConnectTimeout(60000);
180 con.setReadTimeout(60000);
181 DataInputStream var6 = new DataInputStream(con.getInputStream());
182 DataOutputStream var7 = new DataOutputStream(new FileOutputStream(par2File));
183 boolean var8 = false;
184
185 do
186 {
187 int var9;
188
189 if ((var9 = var6.read(var5)) < 0)
190 {
191 var6.close();
192 var7.close();
193 return;
194 }
195
196 var7.write(var5, 0, var9);
197 }
198 while (!this.closing);
199 }
200
201 /**
202 * Called when Minecraft is closing down.
203 */
204 public void closeMinecraft()
205 {
206 this.closing = true;
207 }
208 }