1 /* 2 * Copyright 2013, Google Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * * Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following disclaimer 13 * in the documentation and/or other materials provided with the 14 * distribution. 15 * * Neither the name of Google Inc. nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 package org.jf.dexlib2.writer.pool; 33 34 import org.jf.dexlib2.writer.OffsetSection; 35 import org.jf.util.ExceptionWithContext; 36 37 import javax.annotation.Nonnull; 38 import java.util.Collection; 39 import java.util.Map; 40 41 public abstract class BaseOffsetPool<Key> extends BasePool<Key, Integer> implements OffsetSection<Key> { 42 43 public BaseOffsetPool(@Nonnull DexPool dexPool) { 44 super(dexPool); 45 } 46 47 @Nonnull @Override public Collection<? extends Map.Entry<? extends Key, Integer>> getItems() { 48 return internedItems.entrySet(); 49 } 50 51 @Override public int getItemOffset(@Nonnull Key key) { 52 Integer offset = internedItems.get(key); 53 if (offset == null) { 54 throw new ExceptionWithContext("Item not found.: %s", getItemString(key)); 55 } 56 return offset; 57 } 58 59 @Nonnull protected String getItemString(@Nonnull Key key) { 60 return key.toString(); 61 } 62 } 63