From abb2eddfca7610ad1cd568d7025a58e32b6e5428 Mon Sep 17 00:00:00 2001
From: AlgorithmX2 <AlgorithmX2@gmail.com>
Date: Mon, 9 Jun 2014 20:21:41 -0500
Subject: [PATCH] Add Version Checker Support.

---
 services/VersionChecker.java | 63 ++++++++++++++++++++++++++++--------
 1 file changed, 49 insertions(+), 14 deletions(-)

diff --git a/services/VersionChecker.java b/services/VersionChecker.java
index d2922b38..e1293128 100644
--- a/services/VersionChecker.java
+++ b/services/VersionChecker.java
@@ -5,18 +5,25 @@ import java.io.InputStreamReader;
 import java.net.URL;
 import java.net.URLConnection;
 import java.util.Date;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 
+import net.minecraft.nbt.NBTTagCompound;
 import appeng.core.AEConfig;
 import appeng.core.AELog;
 
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+import cpw.mods.fml.common.event.FMLInterModComms;
+
 public class VersionChecker implements Runnable
 {
 
 	public static VersionChecker instance = null;
 
 	private long delay = 0;
+	private boolean VersionChecker = true;
 
 	public VersionChecker() {
 		long now = (new Date()).getTime();
@@ -41,13 +48,12 @@ public class VersionChecker implements Runnable
 			Thread.yield();
 			try
 			{
-				URL url = new URL( "http://ae-mod.info/releases/?latest" );
-
-				String MCVersion = cpw.mods.fml.common.Loader.instance().getMCVersionString();
+				String MCVersion = cpw.mods.fml.common.Loader.instance().getMCVersionString().replace( "Minecraft ", "" );
+				URL url = new URL( "http://ae2.ae-mod.info/builds/latest.json?VersionMC=" + MCVersion + "&Channel=" + AEConfig.CHANNEL + "&CurrentVersion="
+						+ AEConfig.VERSION );
 
 				URLConnection yc = url.openConnection();
-				yc.setRequestProperty( "User-Agent", "AE2/" + AEConfig.VERSION + " (Channel:" + AEConfig.CHANNEL + "," + MCVersion.replace( " ", ":" )
-						+ ")" );
+				yc.setRequestProperty( "User-Agent", "AE2/" + AEConfig.VERSION + " (Channel:" + AEConfig.CHANNEL + "," + MCVersion.replace( " ", ":" ) + ")" );
 				BufferedReader in = new BufferedReader( new InputStreamReader( yc.getInputStream() ) );
 
 				String Version = "";
@@ -60,12 +66,42 @@ public class VersionChecker implements Runnable
 
 				if ( Version.length() > 2 )
 				{
-					Matcher m = Pattern.compile( "\"Version\":\"([^\"]+)\"" ).matcher( Version );
-					m.find();
-					Version = m.group( 1 );
-					AEConfig.instance.latestVersion = Version;
-					AEConfig.instance.latestTimeStamp = (new Date()).getTime();
-					AEConfig.instance.save();
+					JsonElement element = (new JsonParser()).parse( Version );
+
+					int version = element.getAsJsonObject().get( "FormatVersion" ).getAsInt();
+					if ( version == 1 )
+					{
+						JsonObject Meta = element.getAsJsonObject().get( "Meta" ).getAsJsonObject();
+						JsonArray Versions = element.getAsJsonObject().get( "Versions" ).getAsJsonArray();
+						if ( Versions.size() > 0 )
+						{
+							JsonObject Latest = Versions.get( 0 ).getAsJsonObject();
+
+							AEConfig.instance.latestVersion = Latest.get( "Version" ).getAsString();
+							AEConfig.instance.latestTimeStamp = (new Date()).getTime();
+							AEConfig.instance.save();
+
+							if ( VersionChecker && !AEConfig.VERSION.equals( AEConfig.instance.latestVersion ) )
+							{
+								NBTTagCompound versionInf = new NBTTagCompound();
+								versionInf.setString( "modDisplayName", "Applied Energistics 2" );
+								versionInf.setString( "oldVersion", AEConfig.VERSION );
+								versionInf.setString( "newVersion", AEConfig.instance.latestVersion );
+								versionInf.setString( "updateUrl", Latest.get( "UserBuild" ).getAsString() );
+								versionInf.setBoolean( "isDirectLink", true );
+
+								JsonElement changeLog = Latest.get( "ChangeLog" );
+								if ( changeLog == null )
+									versionInf.setString( "changeLog", "For full change log please see: " + Meta.get( "DownloadLink" ).getAsString() );
+								else
+									versionInf.setString( "changeLog", changeLog.getAsString() );
+
+								versionInf.setString( "newFileName", "appliedenergistics2-" + AEConfig.instance.latestVersion + ".jar" );
+								FMLInterModComms.sendMessage( "VersionChecker", "addUpdate", versionInf );
+								VersionChecker = false;
+							}
+						}
+					}
 				}
 
 				Thread.sleep( 1000 * 3600 * 4 );
@@ -83,5 +119,4 @@ public class VersionChecker implements Runnable
 			}
 		}
 	}
-
 }