Java tutorial
/* * This file is part of Restructured, licensed under the MIT License (MIT). * * Copyright (c) OreCruncher * Copyright (c) contributors * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package org.blockartistry.mod.Restructured.assets; import java.io.File; import java.io.FileFilter; import java.io.FileInputStream; import java.io.InputStream; import java.util.Enumeration; import java.util.List; import java.util.zip.ZipEntry; import java.util.zip.ZipFile; import org.apache.commons.lang3.StringUtils; import com.google.common.base.Predicate; import net.minecraftforge.common.config.Configuration; public final class ZipProcessor { private ZipProcessor() { } private static File[] getZipFiles(final File path) { return path.listFiles(new FileFilter() { @Override public boolean accept(final File pathname) { return pathname.isFile() && pathname.getName().endsWith(".zip"); } }); } private static File[] getSchematicFiles(final File path) { return path.listFiles(new FileFilter() { @Override public boolean accept(final File pathname) { return pathname.isFile() && pathname.getName().endsWith(".schematic"); } }); } private static void traverseZips(final File path, final Predicate<ZipEntry> test, final Predicate<Object[]> process) { for (final File file : getZipFiles(path)) { try { final ZipFile zip = new ZipFile(file); final String prefix = StringUtils.removeEnd(file.getName(), ".zip").toLowerCase().replaceAll("[-.]", "_"); Enumeration<? extends ZipEntry> entries = zip.entries(); while (entries.hasMoreElements()) { final ZipEntry entry = entries.nextElement(); if (test.apply(entry)) { final InputStream stream = zip.getInputStream(entry); final String name = StringUtils.removeEnd(entry.getName(), ".schematic"); process.apply(new Object[] { prefix, name, stream }); stream.close(); } } zip.close(); } catch (final Exception ex) { ex.printStackTrace(); } } } private static void traverseSchematics(final File path, final Predicate<Object[]> process) { for (final File file : getSchematicFiles(path)) { try { final InputStream stream = new FileInputStream(file); final String entry = StringUtils.removeEnd(file.getName(), ".schematic").toLowerCase() .replaceAll("[-.]", "_"); process.apply(new Object[] { "", entry, stream }); stream.close(); } catch (final Exception ex) { ex.printStackTrace(); } } } /** * Processes the zip files in the specified directory and integrates the * content into the Restructured system. */ public static void initialize(final File path, final Configuration schematics, final Configuration chests, final List<SchematicProperties> props) { traverseZips(path, new ConfigProcessor.ChestsConfigFilter(), new ConfigProcessor.ChestsConfigProcess(chests)); traverseZips(path, new ConfigProcessor.SchematicsConfigFilter(), new ConfigProcessor.SchematicsConfigProcess(schematics)); traverseZips(path, new ConfigProcessor.SchematicFilter(), new ConfigProcessor.SchematicsProcess(schematics, props)); traverseSchematics(path, new ConfigProcessor.SchematicsProcess(schematics, props)); } public static boolean areZipsPresent(final File path) { return getZipFiles(path).length > 0; } public static boolean areSchematicsPresent(final File path) { return getSchematicFiles(path).length > 0; } }