1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.multidex; 18 19 import java.io.File; 20 import java.io.FileInputStream; 21 import java.io.FileNotFoundException; 22 import java.io.InputStream; 23 import java.util.ArrayList; 24 25 /** 26 * A folder element. 27 */ 28 class FolderPathElement implements ClassPathElement { 29 30 private final File baseFolder; 31 32 public FolderPathElement(File baseFolder) { 33 this.baseFolder = baseFolder; 34 } 35 36 @Override 37 public InputStream open(String path) throws FileNotFoundException { 38 return new FileInputStream(new File(baseFolder, 39 path.replace(SEPARATOR_CHAR, File.separatorChar))); 40 } 41 42 @Override 43 public void close() { 44 } 45 46 @Override 47 public Iterable<String> list() { 48 ArrayList<String> result = new ArrayList<String>(); 49 collect(baseFolder, "", result); 50 return result; 51 } 52 53 private void collect(File folder, String prefix, ArrayList<String> result) { 54 for (File file : folder.listFiles()) { 55 if (file.isDirectory()) { 56 collect(file, prefix + SEPARATOR_CHAR + file.getName(), result); 57 } else { 58 result.add(prefix + SEPARATOR_CHAR + file.getName()); 59 } 60 } 61 } 62 63 } 64
