cache: add djb2 manager with a couple hashes dumped from the client

cache/src/main/java/net/runelite/cache/util/Djb2Manager.java

@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2017, Adam <Adam@sigterm.info>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package net.runelite.cache.util;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Properties;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class Djb2Manager
+{
+	private static final Logger logger = LoggerFactory.getLogger(Djb2Manager.class);
+
+	private final Map<Integer, String> hashes = new HashMap<>();
+
+	public void load() throws IOException
+	{
+		Properties properties = new Properties();
+		properties.load(Djb2Manager.class.getResourceAsStream("/djb2.properties"));
+
+		for (Object key : properties.keySet())
+		{
+			int hash = Integer.parseInt((String) key);
+			String value = properties.getProperty((String) key);
+
+			hashes.put(hash, value);
+		}
+
+		logger.info("Loaded {} djb2 hashes", hashes.size());
+	}
+
+	public String getName(int hash)
+	{
+		return hashes.get(hash);
+	}
+}

cache/src/main/resources/djb2.properties

@@ -0,0 +1,31 @@
+#Mon Apr 03 10:30:23 EDT 2017
+3327403=logo
+950484242=compass
+-1773559904=title_mute
+755433248=headicons_pk
+-342013218=p11_full
+837204902=mapdots
+417793574=scrollbar
+-1154558416=sl_arrows
+1057075019=b12_full
+2110231453=mod_icons
+1170407052=headicons_prayer
+-1544597765=sl_stars
+837223705=mapedge
+-1335336992=logo_deadman_mode
+1120933843=scape main
+1956141538=options_radio_buttons,2
+1258058669=huffman
+1956141536=options_radio_buttons,0
+1639695510=mapmarker
+108875897=runes
+-2136884405=title.jpg
+121641580=headicons_hint
+947464074=titlebutton
+-2128560371=sl_back
+-1556842207=sl_flags
+-1123094568=sl_button
+94935104=cross
+197029040=mapscene
+-1869996941=titlebox
+628358452=mapfunction