Added data framework (com.sk89q.worldedit.data.*); moved schematic loading/saving towards data framework; added work-in-progress EditSession.restoreBackup().

2010-10-20 02:12:16 -07:00
parent 6299734cdd
commit 32290b4095
15 changed files with 991 additions and 45 deletions
--- a/src/com/sk89q/worldedit/data/ZippedAlphaChunkStore.java
+++ b/src/com/sk89q/worldedit/data/ZippedAlphaChunkStore.java
@@ -0,0 +1,107 @@
+// $Id$
+/*
+ * WorldEdit
+ * Copyright (C) 2010 sk89q <http://www.sk89q.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package com.sk89q.worldedit.data;
+
+import java.io.*;
+import java.util.zip.*;
+
+/**
+ * Represents the chunk store used by Minecraft alpha but zipped.
+ *
+ * @author sk89q
+ */
+public class ZippedAlphaChunkStore extends NestedFileChunkStore {
+    /**
+     * ZIP file.
+     */
+    private File zipFile;
+    /**
+     * Actual ZIP.
+     */
+    private ZipFile zip;
+    /**
+     * Folder inside the ZIP file to read from, if any.
+     */
+    private String folder;
+
+    /**
+     * Create an instance. The folder argument lets you choose a folder or
+     * path to look into in the ZIP for the files.
+     *
+     * @param zipFile
+     * @param folder
+     * @throws IOException
+     * @throws ZIPException
+     */
+    public ZippedAlphaChunkStore(File zipFile, String folder)
+            throws IOException, ZipException {
+        this.zipFile = zipFile;
+        this.folder = folder;
+        
+        zip = new ZipFile(zipFile);
+    }
+
+    /**
+     * Create an instance.
+     *
+     * @param zipFile
+     * @param folder
+     * @throws IOException
+     * @throws ZIPException
+     */
+    public ZippedAlphaChunkStore(File zipFile)
+            throws IOException, ZipException {
+        this.zipFile = zipFile;
+
+        zip = new ZipFile(zipFile);
+    }
+
+    /**
+     * Get the input stream for a chunk file.
+     *
+     * @param f1
+     * @param f2
+     * @param name
+     * @return
+     * @throws IOException
+     */
+    protected InputStream getInputStream(String f1, String f2, String name)
+            throws IOException {
+        String file = f1 + "/" + f2 + "/" + name;
+        ZipEntry entry = zip.getEntry(file);
+        if (entry == null) {
+            throw new IOException("ZIP doesn't contain chunk");
+        }
+        try {
+            return zip.getInputStream(entry);
+        } catch (ZipException e) {
+            throw new IOException("Failed to read " + file + " in ZIP");
+        }
+    }
+
+    /**
+     * Close resources.
+     *
+     * @throws IOException
+     */
+    public void close() throws IOException {
+        zip.close();
+    }
+}