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WorldEdit should now support McRegion.
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src/com/sk89q/worldedit/data/TrueZipMcRegionChunkStore.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,180 @@ | ||
| // $Id$ | ||
| /* | ||
| * 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.regex.Pattern; | ||
| import java.util.zip.ZipException; | ||
| import java.util.Enumeration; | ||
| import de.schlichtherle.util.zip.*; | ||
|
|
||
| /** | ||
| * Represents the chunk store used by Minecraft but zipped. Uses | ||
| * the replacement classes for java.util.zip.* from TrueZip. | ||
| * | ||
| * @author sk89q | ||
| */ | ||
| public class TrueZipMcRegionChunkStore extends McRegionChunkStore { | ||
| /** | ||
| * ZIP file. | ||
| */ | ||
| protected File zipFile; | ||
| /** | ||
| * Actual ZIP. | ||
| */ | ||
| protected ZipFile zip; | ||
| /** | ||
| * Folder inside the ZIP file to read from, if any. | ||
| */ | ||
| protected String folder; | ||
|
|
||
| /** | ||
| * Create an instance. The folder argument lets you choose a folder or | ||
| * path to look into in the ZIP for the files. Use a blank string for | ||
| * the folder to not look into a subdirectory. | ||
| * | ||
| * @param zipFile | ||
| * @param folder | ||
| * @throws IOException | ||
| * @throws ZipException | ||
| */ | ||
| public TrueZipMcRegionChunkStore(File zipFile, String folder) | ||
| throws IOException, ZipException { | ||
| this.zipFile = zipFile; | ||
| this.folder = folder; | ||
|
|
||
| zip = new ZipFile(zipFile); | ||
| } | ||
|
|
||
| /** | ||
| * Create an instance. The subfolder containing the chunk data will | ||
| * be detected. | ||
| * | ||
| * @param zipFile | ||
| * @throws IOException | ||
| * @throws ZipException | ||
| */ | ||
| public TrueZipMcRegionChunkStore(File zipFile) | ||
| throws IOException, ZipException { | ||
| this.zipFile = zipFile; | ||
|
|
||
| zip = new ZipFile(zipFile); | ||
| } | ||
|
|
||
| /** | ||
| * Get the input stream for a chunk file. | ||
| * | ||
| * @param name | ||
| * @return | ||
| * @throws IOException | ||
| * @throws DataException | ||
| */ | ||
| @Override | ||
| @SuppressWarnings("unchecked") | ||
| protected InputStream getInputStream(String name) | ||
| throws IOException, DataException { | ||
| String file = "region/" + name; | ||
|
|
||
| // Detect subfolder for the world's files | ||
| if (folder != null) { | ||
| if (!folder.equals("")) { | ||
| file = folder + "/" + file; | ||
| } | ||
| } else { | ||
| ZipEntry testEntry = zip.getEntry("level.dat"); | ||
|
|
||
| // So, the data is not in the root directory | ||
| if (testEntry == null) { | ||
| // Let's try a world/ sub-directory | ||
| testEntry = getEntry("world/level.dat"); | ||
|
|
||
| Pattern pattern = Pattern.compile(".*[\\\\/]level\\.dat$"); | ||
|
|
||
| // So not there either... | ||
| if (testEntry == null) { | ||
| for (Enumeration<? extends ZipEntry> e = zip.entries(); | ||
| e.hasMoreElements(); ) { | ||
|
|
||
| testEntry = e.nextElement(); | ||
|
|
||
| // Whoo, found level.dat! | ||
| if (pattern.matcher(testEntry.getName()).matches()) { | ||
| file = testEntry.getName().replaceAll("level\\.dat$", "") | ||
| + file; | ||
| break; | ||
| } | ||
| } | ||
| } else { | ||
| file = "world/" + file; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| ZipEntry entry = getEntry(file); | ||
| if (entry == null) { | ||
| throw new MissingChunkException(); | ||
| } | ||
| try { | ||
| return zip.getInputStream(entry); | ||
| } catch (ZipException e) { | ||
| throw new IOException("Failed to read " + file + " in ZIP"); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Get an entry from the ZIP, trying both types of slashes. | ||
| * | ||
| * @param file | ||
| * @return | ||
| */ | ||
| private ZipEntry getEntry(String file) { | ||
| ZipEntry entry = zip.getEntry(file); | ||
| if (entry != null) { | ||
| return entry; | ||
| } | ||
| return zip.getEntry(file.replace("/", "\\")); | ||
| } | ||
|
|
||
| /** | ||
| * Close resources. | ||
| * | ||
| * @throws IOException | ||
| */ | ||
| @Override | ||
| public void close() throws IOException { | ||
| zip.close(); | ||
| } | ||
|
|
||
| @Override | ||
| @SuppressWarnings("unchecked") | ||
| public boolean isValid() { | ||
| for (Enumeration<? extends ZipEntry> e = zip.entries(); | ||
| e.hasMoreElements(); ) { | ||
|
|
||
| ZipEntry testEntry = e.nextElement(); | ||
|
|
||
| if (testEntry.getName().matches(".*\\.mcr$")) { | ||
| return true; | ||
| } | ||
| } | ||
|
|
||
| return false; | ||
| } | ||
| } |
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176 changes: 176 additions & 0 deletions
176
src/com/sk89q/worldedit/data/ZippedMcRegionChunkStore.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,176 @@ | ||
| // $Id$ | ||
| /* | ||
| * 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.regex.Pattern; | ||
| import java.util.zip.*; | ||
| import java.util.Enumeration; | ||
|
|
||
| /** | ||
| * Represents the chunk store used by Minecraft alpha but zipped. | ||
| * | ||
| * @author sk89q | ||
| */ | ||
| public class ZippedMcRegionChunkStore extends McRegionChunkStore { | ||
| /** | ||
| * ZIP file. | ||
| */ | ||
| protected File zipFile; | ||
| /** | ||
| * Actual ZIP. | ||
| */ | ||
| protected ZipFile zip; | ||
| /** | ||
| * Folder inside the ZIP file to read from, if any. | ||
| */ | ||
| protected String folder; | ||
|
|
||
| /** | ||
| * Create an instance. The folder argument lets you choose a folder or | ||
| * path to look into in the ZIP for the files. Use a blank string for | ||
| * the folder to not look into a subdirectory. | ||
| * | ||
| * @param zipFile | ||
| * @param folder | ||
| * @throws IOException | ||
| * @throws ZipException | ||
| */ | ||
| public ZippedMcRegionChunkStore(File zipFile, String folder) | ||
| throws IOException, ZipException { | ||
| this.zipFile = zipFile; | ||
| this.folder = folder; | ||
|
|
||
| zip = new ZipFile(zipFile); | ||
| } | ||
|
|
||
| /** | ||
| * Create an instance. The subfolder containing the chunk data will | ||
| * be detected. | ||
| * | ||
| * @param zipFile | ||
| * @throws IOException | ||
| * @throws ZipException | ||
| */ | ||
| public ZippedMcRegionChunkStore(File zipFile) | ||
| throws IOException, ZipException { | ||
| this.zipFile = zipFile; | ||
|
|
||
| zip = new ZipFile(zipFile); | ||
| } | ||
|
|
||
| /** | ||
| * Get the input stream for a chunk file. | ||
| * | ||
| * @param name | ||
| * @return | ||
| * @throws IOException | ||
| * @throws DataException | ||
| */ | ||
| @Override | ||
| protected InputStream getInputStream(String name) | ||
| throws IOException, DataException { | ||
| String file = "region/" + name; | ||
|
|
||
| // Detect subfolder for the world's files | ||
| if (folder != null) { | ||
| if (!folder.equals("")) { | ||
| file = folder + "/" + file; | ||
| } | ||
| } else { | ||
| ZipEntry testEntry = zip.getEntry("level.dat"); | ||
|
|
||
| // So, the data is not in the root directory | ||
| if (testEntry == null) { | ||
| // Let's try a world/ sub-directory | ||
| testEntry = getEntry("world/level.dat"); | ||
|
|
||
| Pattern pattern = Pattern.compile(".*[\\\\/]level\\.dat$"); | ||
|
|
||
| // So not there either... | ||
| if (testEntry == null) { | ||
| for (Enumeration<? extends ZipEntry> e = zip.entries(); | ||
| e.hasMoreElements(); ) { | ||
|
|
||
| testEntry = (ZipEntry)e.nextElement(); | ||
|
|
||
| // Whoo, found level.dat! | ||
| if (pattern.matcher(testEntry.getName()).matches()) { | ||
| file = testEntry.getName().replaceAll("level\\.dat$", "") | ||
| + file; | ||
| break; | ||
| } | ||
| } | ||
| } else { | ||
| file = "world/" + file; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| ZipEntry entry = getEntry(file); | ||
| if (entry == null) { | ||
| throw new MissingChunkException(); | ||
| } | ||
| try { | ||
| return zip.getInputStream(entry); | ||
| } catch (ZipException e) { | ||
| throw new IOException("Failed to read " + file + " in ZIP"); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Get an entry from the ZIP, trying both types of slashes. | ||
| * | ||
| * @param file | ||
| * @return | ||
| */ | ||
| private ZipEntry getEntry(String file) { | ||
| ZipEntry entry = zip.getEntry(file); | ||
| if (entry != null) { | ||
| return entry; | ||
| } | ||
| return zip.getEntry(file.replace("/", "\\")); | ||
| } | ||
|
|
||
| /** | ||
| * Close resources. | ||
| * | ||
| * @throws IOException | ||
| */ | ||
| @Override | ||
| public void close() throws IOException { | ||
| zip.close(); | ||
| } | ||
|
|
||
| @Override | ||
| public boolean isValid() { | ||
| for (Enumeration<? extends ZipEntry> e = zip.entries(); | ||
| e.hasMoreElements(); ) { | ||
|
|
||
| ZipEntry testEntry = e.nextElement(); | ||
|
|
||
| if (testEntry.getName().matches(".*\\.mcr$")) { | ||
| return true; | ||
| } | ||
| } | ||
|
|
||
| return false; | ||
| } | ||
| } |
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