geode-junit/src/main/java/org/apache/geode/codeAnalysis/decode/CompiledAttribute.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional information regarding
 * copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the License. You may obtain a
 * copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */
package org.apache.geode.codeAnalysis.decode;

import java.io.DataInputStream;
import java.io.IOException;

import org.apache.geode.codeAnalysis.decode.cp.CpUtf8;


public class CompiledAttribute {
  int attribute_name_index; // java predefines some but others are allowed, too
  long attribute_length;
  byte info[];
  String name;

  CompiledAttribute(DataInputStream source) throws IOException {
    int idx;

    attribute_name_index = source.readUnsignedShort();
    attribute_length = source.readInt();
    info = new byte[(int) attribute_length];
    for (idx = 0; idx < attribute_length; idx++) {
      info[idx] = (byte) source.readUnsignedByte();
    }
  }

  public String name(CompiledClass dclass) {
    if (name == null) {
      name = ((CpUtf8) dclass.constant_pool[attribute_name_index]).stringValue();
    }
    return name;
  }
}