1 /* 2 * Copyright (C) 2007 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.dx.dex.file; 18 19 import com.android.dx.rop.cst.Constant; 20 import java.util.Collection; 21 import java.util.Collections; 22 import java.util.List; 23 24 /** 25 * File header section of a {@code .dex} file. 26 */ 27 public final class HeaderSection extends UniformItemSection { 28 /** {@code non-null;} the list of the one item in the section */ 29 private final List<HeaderItem> list; 30 31 /** 32 * Constructs an instance. The file offset is initially unknown. 33 * 34 * @param file {@code non-null;} file that this instance is part of 35 */ 36 public HeaderSection(DexFile file) { 37 super(null, file, 4); 38 39 HeaderItem item = new HeaderItem(); 40 item.setIndex(0); 41 42 this.list = Collections.singletonList(item); 43 } 44 45 /** {@inheritDoc} */ 46 @Override 47 public IndexedItem get(Constant cst) { 48 return null; 49 } 50 51 /** {@inheritDoc} */ 52 @Override 53 public Collection<? extends Item> items() { 54 return list; 55 } 56 57 /** {@inheritDoc} */ 58 @Override 59 protected void orderItems() { 60 // Nothing to do here. 61 } 62 } 63
