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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   https://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.bcel.classfile;
20  
21  import java.io.DataOutputStream;
22  import java.io.IOException;
23  
24  /**
25   * @since 6.0
26   */
27  public class ArrayElementValue extends ElementValue {
28      // For array types, this is the array
29      private final ElementValue[] elementValues;
30  
31      public ArrayElementValue(final int type, final ElementValue[] elementValues, final ConstantPool cpool) {
32          super(type, cpool);
33          if (type != ARRAY) {
34              throw new ClassFormatException("Only element values of type array can be built with this ctor - type specified: " + type);
35          }
36          this.elementValues = elementValues != null ? elementValues : EMPTY_ARRAY;
37      }
38  
39      @Override
40      public void dump(final DataOutputStream dos) throws IOException {
41          dos.writeByte(super.getType()); // u1 type of value (ARRAY == '[')
42          dos.writeShort(elementValues.length);
43          for (final ElementValue evalue : elementValues) {
44              evalue.dump(dos);
45          }
46      }
47  
48      public ElementValue[] getElementValuesArray() {
49          return elementValues;
50      }
51  
52      public int getElementValuesArraySize() {
53          return elementValues.length;
54      }
55  
56      @Override
57      public String stringifyValue() {
58          final StringBuilder sb = new StringBuilder();
59          sb.append("[");
60          for (int i = 0; i < elementValues.length; i++) {
61              sb.append(elementValues[i].stringifyValue());
62              if (i + 1 < elementValues.length) {
63                  sb.append(",");
64              }
65          }
66          sb.append("]");
67          return sb.toString();
68      }
69  
70      @Override
71      public String toString() {
72          final StringBuilder sb = new StringBuilder();
73          sb.append("{");
74          for (int i = 0; i < elementValues.length; i++) {
75              sb.append(elementValues[i]);
76              if (i + 1 < elementValues.length) {
77                  sb.append(",");
78              }
79          }
80          sb.append("}");
81          return sb.toString();
82      }
83  }