| /* |
| * [The "BSD licence"] |
| * Copyright (c) 2010 Ben Gruver (JesusFreke) |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package org.jf.dexlib; |
| |
| import org.jf.dexlib.Util.AnnotatedOutput; |
| import org.jf.dexlib.Util.Input; |
| |
| import java.util.List; |
| |
| public class AnnotationSetRefList extends Item<AnnotationSetRefList> { |
| private int hashCode = 0; |
| |
| private AnnotationSetItem[] annotationSets; |
| |
| /** |
| * Creates a new uninitialized <code>AnnotationSetRefList</code> |
| * @param dexFile The <code>DexFile</code> that this item belongs to |
| */ |
| protected AnnotationSetRefList(DexFile dexFile) { |
| super(dexFile); |
| } |
| |
| /** |
| * Creates a new <code>AnnotationSetRefList</code> for the given annotation sets |
| * @param dexFile The <code>DexFile</code> that this item belongs to |
| * @param annotationSets The annotationSets for this <code>AnnotationSetRefList</code> |
| */ |
| private AnnotationSetRefList(DexFile dexFile, AnnotationSetItem[] annotationSets) { |
| super(dexFile); |
| this.annotationSets = annotationSets; |
| } |
| |
| /** |
| * Returns an <code>AnnotationSetRefList</code> for the given annotation sets, and that has been interned into the |
| * given <code>DexFile</code> |
| * @param dexFile The <code>DexFile</code> that this item belongs to |
| * @param annotationSets The annotation sets for this <code>AnnotationSetRefList</code> |
| * @return an <code>AnnotationSetItem</code> for the given annotations |
| */ |
| public static AnnotationSetRefList internAnnotationSetRefList(DexFile dexFile, |
| List<AnnotationSetItem> annotationSets) { |
| AnnotationSetItem[] annotationSetsArray = new AnnotationSetItem[annotationSets.size()]; |
| annotationSets.toArray(annotationSetsArray); |
| AnnotationSetRefList annotationSetRefList = new AnnotationSetRefList(dexFile, annotationSetsArray); |
| return dexFile.AnnotationSetRefListsSection.intern(annotationSetRefList); |
| } |
| |
| /** {@inheritDoc} */ |
| protected void readItem(Input in, ReadContext readContext) { |
| annotationSets = new AnnotationSetItem[in.readInt()]; |
| |
| for (int i=0; i<annotationSets.length; i++) { |
| annotationSets[i] = (AnnotationSetItem)readContext.getOptionalOffsettedItemByOffset( |
| ItemType.TYPE_ANNOTATION_SET_ITEM, in.readInt()); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| protected int placeItem(int offset) { |
| return offset + 4 + annotationSets.length * 4; |
| } |
| |
| /** {@inheritDoc} */ |
| protected void writeItem(AnnotatedOutput out) { |
| if (out.annotates()) { |
| out.annotate(4, "size: 0x" + Integer.toHexString(annotationSets.length) + " (" + annotationSets.length + |
| ")"); |
| for (AnnotationSetItem annotationSetItem: annotationSets) { |
| out.annotate(4, "annotation_set_off: 0x" + Integer.toHexString(annotationSetItem.getOffset())); |
| } |
| } |
| out.writeInt(annotationSets.length); |
| for (AnnotationSetItem annotationSetItem: annotationSets) { |
| out.writeInt(annotationSetItem.getOffset()); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| public ItemType getItemType() { |
| return ItemType.TYPE_ANNOTATION_SET_REF_LIST; |
| } |
| |
| /** {@inheritDoc} */ |
| public String getConciseIdentity() { |
| return "annotation_set_item @0x" + Integer.toHexString(getOffset()); |
| } |
| |
| /** {@inheritDoc} */ |
| public int compareTo(AnnotationSetRefList o) { |
| int comp = annotationSets.length - o.annotationSets.length; |
| if (comp != 0) { |
| return comp; |
| } |
| |
| for (int i=0; i<annotationSets.length; i++) { |
| comp = annotationSets[i].compareTo(o.annotationSets[i]); |
| if (comp != 0) { |
| return comp; |
| } |
| } |
| |
| return comp; |
| } |
| |
| /** |
| * @return An array of the <code>AnnotationSetItem</code> objects that make up this |
| * <code>AnnotationSetRefList</code> |
| */ |
| public AnnotationSetItem[] getAnnotationSets() { |
| return annotationSets; |
| } |
| |
| /** |
| * calculate and cache the hashcode |
| */ |
| private void calcHashCode() { |
| hashCode = 0; |
| for (AnnotationSetItem annotationSetItem: annotationSets) { |
| hashCode = hashCode * 31 + annotationSetItem.hashCode(); |
| } |
| } |
| |
| @Override |
| public int hashCode() { |
| //there's a small possibility that the actual hash code will be 0. If so, we'll |
| //just end up recalculating it each time |
| if (hashCode == 0) |
| calcHashCode(); |
| return hashCode; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this==o) { |
| return true; |
| } |
| if (o==null || !this.getClass().equals(o.getClass())) { |
| return false; |
| } |
| |
| AnnotationSetRefList other = (AnnotationSetRefList)o; |
| return (this.compareTo(other) == 0); |
| } |
| } |