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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.dexbacked.raw;
33 
34 import org.jf.dexlib2.dexbacked.DexReader;
35 import org.jf.dexlib2.dexbacked.raw.util.DexAnnotator;
36 import org.jf.dexlib2.util.AnnotatedBytes;
37 import org.jf.util.StringUtils;
38 
39 import javax.annotation.Nonnull;
40 import javax.annotation.Nullable;
41 
42 public class StringDataItem {
43     @Nonnull
makeAnnotator(@onnull DexAnnotator annotator, @Nonnull MapItem mapItem)44     public static SectionAnnotator makeAnnotator(@Nonnull DexAnnotator annotator, @Nonnull MapItem mapItem) {
45         return new SectionAnnotator(annotator, mapItem) {
46             @Nonnull @Override public String getItemName() {
47                 return "string_data_item";
48             }
49 
50             @Override
51             protected void annotateItem(@Nonnull AnnotatedBytes out, int itemIndex, @Nullable String itemIdentity) {
52                 DexReader reader = dexFile.readerAt(out.getCursor());
53                 int utf16Length = reader.readSmallUleb128();
54                 out.annotateTo(reader.getOffset(), "utf16_size = %d", utf16Length);
55 
56                 String value = reader.readString(utf16Length);
57                 out.annotateTo(reader.getOffset() + 1, "data = \"%s\"", StringUtils.escapeString(value));
58             }
59         };
60     }
61 }
62