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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   *  Unless required by applicable law or agreed to in writing, software
12   *  distributed under the License is distributed on an "AS IS" BASIS,
13   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   *  See the License for the specific language governing permissions and
15   *  limitations under the License.
16   */
17  package org.apache.bcel.classfile;
18  
19  import java.io.DataOutputStream;
20  import java.io.IOException;
21  
22  /**
23   * @since 6.0
24   */
25  public class ArrayElementValue extends ElementValue {
26      // For array types, this is the array
27      private final ElementValue[] elementValues;
28  
29      public ArrayElementValue(final int type, final ElementValue[] elementValues, final ConstantPool cpool) {
30          super(type, cpool);
31          if (type != ARRAY) {
32              throw new ClassFormatException("Only element values of type array can be built with this ctor - type specified: " + type);
33          }
34          this.elementValues = elementValues != null ? elementValues : EMPTY_ARRAY;
35      }
36  
37      @Override
38      public void dump(final DataOutputStream dos) throws IOException {
39          dos.writeByte(super.getType()); // u1 type of value (ARRAY == '[')
40          dos.writeShort(elementValues.length);
41          for (final ElementValue evalue : elementValues) {
42              evalue.dump(dos);
43          }
44      }
45  
46      public ElementValue[] getElementValuesArray() {
47          return elementValues;
48      }
49  
50      public int getElementValuesArraySize() {
51          return elementValues.length;
52      }
53  
54      @Override
55      public String stringifyValue() {
56          final StringBuilder sb = new StringBuilder();
57          sb.append("[");
58          for (int i = 0; i < elementValues.length; i++) {
59              sb.append(elementValues[i].stringifyValue());
60              if (i + 1 < elementValues.length) {
61                  sb.append(",");
62              }
63          }
64          sb.append("]");
65          return sb.toString();
66      }
67  
68      @Override
69      public String toString() {
70          final StringBuilder sb = new StringBuilder();
71          sb.append("{");
72          for (int i = 0; i < elementValues.length; i++) {
73              sb.append(elementValues[i]);
74              if (i + 1 < elementValues.length) {
75                  sb.append(",");
76              }
77          }
78          sb.append("}");
79          return sb.toString();
80      }
81  }