| /******************************************************************************* |
| * Copyright (c) 2000, 2016 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.compiler.batch; |
| |
| import java.io.File; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.jdt.internal.compiler.env.IModule; |
| |
| public class FileFinder { |
| |
| /** |
| * Although the file finder is meant to be generic for any file name patters, |
| * at the moment it is used only for *.java files. This method handles the |
| * module-info.java in a special way by always placing it as the first element |
| * of the resulting array. |
| */ |
| public static String[] find(File f, String pattern) { |
| List<String> files = new ArrayList<>(); |
| find0(f, pattern, files); |
| String[] result = new String[files.size()]; |
| files.toArray(result); |
| return result; |
| } |
| private static void find0(File f, String pattern, List<String> collector) { |
| if (f.isDirectory()) { |
| String[] files = f.list(); |
| if (files == null) return; |
| for (int i = 0, max = files.length; i < max; i++) { |
| File current = new File(f, files[i]); |
| if (current.isDirectory()) { |
| find0(current, pattern, collector); |
| } else { |
| String name = current.getName().toLowerCase(); |
| if (name.endsWith(pattern)) { |
| // NOTE: This handles only the lower case name. Check with the spec about |
| // Naming of the module descriptor before making this code code insensitive. |
| if (name.endsWith(IModule.MODULE_INFO_JAVA)) { |
| collector.add(0, current.getAbsolutePath()); |
| } else { |
| collector.add(current.getAbsolutePath()); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |