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      1 /*
      2  * Copyright (C) 2009 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 dex.reader;
     18 
     19 import dex.reader.DexFileReader.FieldIdItem;
     20 import dex.structure.DexAnnotation;
     21 import dex.structure.DexAnnotationAttribute;
     22 
     23 import java.util.List;
     24 
     25 // FIXME provide special type for Signature annotation
     26 /* package */final class DexAnnotationImpl implements DexAnnotation {
     27 
     28     private int offset;
     29     private DexBuffer buffer;
     30     private int[] typeIds;
     31     private String[] stringPool;
     32     private Visibility visibility;
     33     private DexEncodedAnnotationImpl encodedAnnotation;
     34 
     35     private TypeFormatter formatter = new TypeFormatter();
     36     private final FieldIdItem[] fieldIdItems;
     37 
     38     public DexAnnotationImpl(DexBuffer buffer, int offset, int[] typeIds,
     39             String[] stringPool, FieldIdItem[] fieldIdItems) {
     40         this.buffer = buffer;
     41         this.offset = offset;
     42         this.typeIds = typeIds;
     43         this.stringPool = stringPool;
     44         this.fieldIdItems = fieldIdItems;
     45         parseAnnotations();
     46     }
     47 
     48     private void parseAnnotations() {
     49         buffer.setPosition(offset);
     50         visibility = Visibility.get(buffer.readUByte());
     51         encodedAnnotation = new DexEncodedAnnotationImpl(buffer, this, typeIds,
     52                 stringPool, fieldIdItems);
     53     }
     54 
     55     public List<DexAnnotationAttribute> getAttributes() {
     56         return encodedAnnotation.getValue();
     57     }
     58 
     59     public String getTypeName() {
     60         return encodedAnnotation.getTypeName();
     61     }
     62 
     63     public Visibility getVisibility() {
     64         return visibility;
     65     }
     66 
     67     @Override
     68     public String toString() {
     69         StringBuilder builder = new StringBuilder();
     70         builder.append("@");
     71         builder.append(formatter.format(encodedAnnotation.getTypeName()));
     72         if (!getAttributes().isEmpty()) {
     73             builder.append(" (");
     74             for (DexAnnotationAttribute value : getAttributes()) {
     75                 builder.append(value.toString());
     76                 builder.append(" ");
     77             }
     78             builder.append(")");
     79         }
     80         return builder.toString();
     81     }
     82 
     83 }
     84