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.CstType; 20 21 /** 22 * Representation of a reference to an item inside a Dalvik file. 23 */ 24 public abstract class IdItem extends IndexedItem { 25 /** 26 * {@code non-null;} the type constant for the defining class of 27 * the reference 28 */ 29 private final CstType type; 30 31 /** 32 * Constructs an instance. 33 * 34 * @param type {@code non-null;} the type constant for the defining 35 * class of the reference 36 */ 37 public IdItem(CstType type) { 38 if (type == null) { 39 throw new NullPointerException("type == null"); 40 } 41 42 this.type = type; 43 } 44 45 /** {@inheritDoc} */ 46 @Override 47 public void addContents(DexFile file) { 48 TypeIdsSection typeIds = file.getTypeIds(); 49 typeIds.intern(type); 50 } 51 52 /** 53 * Gets the type constant for the defining class of the 54 * reference. 55 * 56 * @return {@code non-null;} the type constant 57 */ 58 public final CstType getDefiningClass() { 59 return type; 60 } 61 } 62
