1579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson/* 2579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Copyright (C) 2007 The Android Open Source Project 3579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 4579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Licensed under the Apache License, Version 2.0 (the "License"); 5579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * you may not use this file except in compliance with the License. 6579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * You may obtain a copy of the License at 7579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 8579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * http://www.apache.org/licenses/LICENSE-2.0 9579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 10579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Unless required by applicable law or agreed to in writing, software 11579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * distributed under the License is distributed on an "AS IS" BASIS, 12579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * See the License for the specific language governing permissions and 14579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * limitations under the License. 15579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 16579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 17579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilsonpackage com.android.dx.dex.file; 18579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 19579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilsonimport com.android.dx.rop.cst.Constant; 20579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 21579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilsonimport java.util.Collection; 22579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilsonimport java.util.Collections; 23579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilsonimport java.util.List; 24579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 25579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson/** 26579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * File header section of a {@code .dex} file. 27579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 28579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilsonpublic final class HeaderSection extends UniformItemSection { 29579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@code non-null;} the list of the one item in the section */ 30579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson private final List<HeaderItem> list; 31579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 32579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** 33579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Constructs an instance. The file offset is initially unknown. 34579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 35579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @param file {@code non-null;} file that this instance is part of 36579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 37579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public HeaderSection(DexFile file) { 38579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson super(null, file, 4); 39579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 40579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson HeaderItem item = new HeaderItem(); 41579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson item.setIndex(0); 42579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 43579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson this.list = Collections.singletonList(item); 44579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 45579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 46579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@inheritDoc} */ 47579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override 48579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public IndexedItem get(Constant cst) { 49579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return null; 50579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 51579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 52579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@inheritDoc} */ 53579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override 54579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public Collection<? extends Item> items() { 55579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return list; 56579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 57579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 58579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@inheritDoc} */ 59579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override 60579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson protected void orderItems() { 61579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson // Nothing to do here. 62579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 63579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson} 64