Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package npanday.plugin.libraryimporter; import com.google.common.base.Function; import com.google.common.collect.Iterables; import com.google.common.collect.Lists; import com.google.common.collect.Maps; import org.apache.maven.plugin.MojoExecutionException; import javax.annotation.Nullable; import java.io.File; import java.io.FileFilter; import java.util.List; import java.util.Map; /** * @author <a href="me@lcorneliussen.de">Lars Corneliussen, Faktum Software</a> */ public class LibImporterPathUtils { public static Map<String, File> getLibDirectories(File packageDir) { File libDir = new File(packageDir, "lib"); Map<String, File> libDirs = Maps.newHashMap(); if (!libDir.exists()) { return libDirs; } if (getLibraries(libDir).size() > 0) { libDirs.put("lib", libDir); } for (File framework : libDir.listFiles()) { if (!framework.isDirectory()) { continue; } if (getLibraries(framework).size() > 0) { libDirs.put(framework.getName(), framework); } for (File platform : framework.listFiles()) { if (!platform.isDirectory()) { continue; } if (getLibraries(platform).size() > 0) { libDirs.put(framework.getName() + "/" + platform.getName(), platform); } } } return libDirs; } public static List<File> getLibraries(File libFolder) { return Lists.newArrayList(libFolder.listFiles(new FileFilter() { public boolean accept(File f) { return isDll(f) || isExe(f); } })); } public static String removeFileExtension(String fileName) { return fileName.replaceFirst("[.][^.]+$", ""); } public static boolean isDll(File file) { return file.getName().endsWith(".dll"); } public static boolean isExe(File file) { return file.getName().endsWith(".exe"); } public static File getLibDirectory(File packageDir, String defaultLibDir) { return new File(new File(packageDir, "lib"), defaultLibDir); } public static List<String> getFileNames(Iterable<File> list) { Iterable<String> names = Iterables.transform(list, new Function<File, String>() { public String apply(@Nullable File file) { return file.getName(); } }); return Lists.newArrayList(names); } }