1917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul/* 2917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * Copyright (C) 2008 The Android Open Source Project 3917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * 4917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * Licensed under the Apache License, Version 2.0 (the "License"); 5917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * you may not use this file except in compliance with the License. 6917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * You may obtain a copy of the License at 7917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * 8917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * http://www.apache.org/licenses/LICENSE-2.0 9917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * 10917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * Unless required by applicable law or agreed to in writing, software 11917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * distributed under the License is distributed on an "AS IS" BASIS, 12917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * See the License for the specific language governing permissions and 14917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * limitations under the License. 15917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul */ 16917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 17917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgulpackage com.android.dexgen.dex.file; 18917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 19917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgulimport com.android.dexgen.util.AnnotatedOutput; 20917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgulimport com.android.dexgen.util.Hex; 21917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 22917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul/** 23917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * Indirect reference to an {@link AnnotationSetItem}. 24917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul */ 25917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgulpublic final class AnnotationSetRefItem extends OffsettedItem { 26917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul /** the required alignment for instances of this class */ 27917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul private static final int ALIGNMENT = 4; 28917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 29917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul /** write size of this class, in bytes */ 30917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul private static final int WRITE_SIZE = 4; 31917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 32917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul /** {@code non-null;} the annotation set to refer to */ 33917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul private AnnotationSetItem annotations; 34917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 35917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul /** 36917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * Constructs an instance. 37917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * 38917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * @param annotations {@code non-null;} the annotation set to refer to 39917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul */ 40917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul public AnnotationSetRefItem(AnnotationSetItem annotations) { 41917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul super(ALIGNMENT, WRITE_SIZE); 42917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 43917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul if (annotations == null) { 44917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul throw new NullPointerException("annotations == null"); 45917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul } 46917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 47917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul this.annotations = annotations; 48917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul } 49917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 50917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul /** {@inheritDoc} */ 51917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul @Override 52917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul public ItemType itemType() { 53917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul return ItemType.TYPE_ANNOTATION_SET_REF_ITEM; 54917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul } 55917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 56917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul /** {@inheritDoc} */ 57917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul public void addContents(DexFile file) { 58917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul MixedItemSection wordData = file.getWordData(); 59917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 60917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul annotations = wordData.intern(annotations); 61917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul } 62917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 63917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul /** {@inheritDoc} */ 64917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul @Override 65917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul public String toHuman() { 66917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul return annotations.toHuman(); 67917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul } 68917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 69917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul /** {@inheritDoc} */ 70917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul @Override 71917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul protected void writeTo0(DexFile file, AnnotatedOutput out) { 72917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul int annotationsOff = annotations.getAbsoluteOffset(); 73917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 74917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul if (out.annotates()) { 75917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul out.annotate(4, " annotations_off: " + Hex.u4(annotationsOff)); 76917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul } 77917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 78917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul out.writeInt(annotationsOff); 79917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul } 80917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul} 81