From a4801b70f8a0148c6e6279ec2e91527e8019e1c8 Mon Sep 17 00:00:00 2001
From: LexManos <LexManos@gmail.com>
Date: Tue, 20 Dec 2016 22:25:28 -0800
Subject: [PATCH] Removed unused packageManifests cache, saves a little memory.

---
 .../java/net/minecraft/launchwrapper/LaunchClassLoader.java | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/src/main/java/net/minecraft/launchwrapper/LaunchClassLoader.java b/src/main/java/net/minecraft/launchwrapper/LaunchClassLoader.java
index f4e83af..9a6c8eb 100644
--- a/src/main/java/net/minecraft/launchwrapper/LaunchClassLoader.java
+++ b/src/main/java/net/minecraft/launchwrapper/LaunchClassLoader.java
@@ -17,7 +17,6 @@ import java.util.jar.Manifest;
 
 import org.apache.logging.log4j.Level;
 import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.core.Logger;
 
 public class LaunchClassLoader extends URLClassLoader {
     public static final int BUFFER_SIZE = 1 << 12;
@@ -30,14 +29,11 @@ public class LaunchClassLoader extends URLClassLoader {
 
     private Set<String> classLoaderExceptions = new HashSet<String>();
     private Set<String> transformerExceptions = new HashSet<String>();
-    private Map<Package, Manifest> packageManifests = new ConcurrentHashMap<Package, Manifest>();
     private Map<String,byte[]> resourceCache = new ConcurrentHashMap<String,byte[]>(1000);
     private Set<String> negativeResourceCache = Collections.newSetFromMap(new ConcurrentHashMap<String, Boolean>());
 
     private IClassNameTransformer renameTransformer;
 
-    private static final Manifest EMPTY = new Manifest();
-
     private final ThreadLocal<byte[]> loadBuffer = new ThreadLocal<byte[]>();
 
     private static final String[] RESERVED_NAMES = {"CON", "PRN", "AUX", "NUL", "COM1", "COM2", "COM3", "COM4", "COM5", "COM6", "COM7", "COM8", "COM9", "LPT1", "LPT2", "LPT3", "LPT4", "LPT5", "LPT6", "LPT7", "LPT8", "LPT9"};
@@ -153,7 +149,6 @@ public class LaunchClassLoader extends URLClassLoader {
                         signers = entry.getCodeSigners();
                         if (pkg == null) {
                             pkg = definePackage(packageName, manifest, jarURLConnection.getJarFileURL());
-                            packageManifests.put(pkg, manifest);
                         } else {
                             if (pkg.isSealed() && !pkg.isSealed(jarURLConnection.getJarFileURL())) {
                                 LogWrapper.severe("The jar file %s is trying to seal already secured path %s", jarFile.getName(), packageName);
@@ -166,7 +161,6 @@ public class LaunchClassLoader extends URLClassLoader {
                     Package pkg = getPackage(packageName);
                     if (pkg == null) {
                         pkg = definePackage(packageName, null, null, null, null, null, null, null);
-                        packageManifests.put(pkg, EMPTY);
                     } else if (pkg.isSealed()) {
                         LogWrapper.severe("The URL %s is defining elements for sealed path %s", urlConnection.getURL(), packageName);
                     }