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src/main/java/provider/wz/ListWZFile.java

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+/*
+	This file is part of the OdinMS Maple Story Server
+    Copyright (C) 2008 Patrick Huy <patrick.huy@frz.cc>
+		       Matthias Butz <matze@odinms.de>
+		       Jan Christian Meyer <vimes@odinms.de>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as
+    published by the Free Software Foundation version 3 as published by
+    the Free Software Foundation. You may not use, modify or distribute
+    this program under any other version of the GNU Affero General Public
+    License.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+package provider.wz;
+
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import provider.MapleDataProviderFactory;
+import tools.data.input.GenericLittleEndianAccessor;
+import tools.data.input.InputStreamByteStream;
+import tools.data.input.LittleEndianAccessor;
+
+public class ListWZFile {
+    private LittleEndianAccessor lea;
+    private List<String> entries = new ArrayList<String>();
+    private static Collection<String> modernImgs = new HashSet<String>();
+
+    public static byte[] xorBytes(byte[] a, byte[] b) {
+        byte[] wusched = new byte[a.length];
+        for (int i = 0; i < a.length; i++) {
+            wusched[i] = (byte) (a[i] ^ b[i]);
+        }
+        return wusched;
+    }
+
+    public ListWZFile(File listwz) throws FileNotFoundException {
+        lea = new GenericLittleEndianAccessor(new InputStreamByteStream(new BufferedInputStream(new FileInputStream(listwz))));
+        while (lea.available() > 0) {
+            int l = lea.readInt() * 2;
+            byte[] chunk = new byte[l];
+            for (int i = 0; i < chunk.length; i++) {
+                chunk[i] = lea.readByte();
+            }
+            lea.readChar();
+            final String value = String.valueOf(WZTool.readListString(chunk));
+            entries.add(value);
+        }
+        entries = Collections.unmodifiableList(entries);
+    }
+
+    public List<String> getEntries() {
+        return entries;
+    }
+
+    public static void init() {
+        final String listWz = System.getProperty("listwz");
+        if (listWz != null) {
+            ListWZFile listwz;
+            try {
+                listwz = new ListWZFile(MapleDataProviderFactory.fileInWZPath("List.wz"));
+                modernImgs = new HashSet<String>(listwz.getEntries());
+            } catch (FileNotFoundException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+    public static boolean isModernImgFile(String path) {
+        return modernImgs.contains(path);
+    }
+}