content: /*
   *  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
   *
   *      https://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.tools.ant.taskdefs.optional.depend.constantpool;
  
  import java.io.DataInputStream;
  import java.io.IOException;
  
  /**
   * The constant pool entry which stores class information.
   *
   */
  public class ClassCPInfo extends ConstantPoolEntry {
  
      /**
       * The class' name. This will be only valid if the entry has been
       * resolved against the constant pool.
       */
      private String className;
  
      /**
       * The index into the constant pool where this class' name is stored. If
       * the class name is changed, this entry is invalid until this entry is
       * connected to a constant pool.
       */
      private int index;
  
      /**
       * Constructor. Sets the tag value for this entry to type Class
       */
      public ClassCPInfo() {
          super(CONSTANT_CLASS, 1);
      }
  
      /**
       * Read the entry from a stream.
       *
       * @param cpStream the stream containing the constant pool entry to be
       *      read.
       * @exception IOException thrown if there is a problem reading the entry
       *      from the stream.
       */
      @Override
      public void read(DataInputStream cpStream) throws IOException {
          index = cpStream.readUnsignedShort();
          className = "unresolved";
      }
  
      /**
       * Generate a string readable version of this entry
       *
       * @return string representation of this constant pool entry
       */
      @Override
      public String toString() {
          return "Class Constant Pool Entry for " + className + "[" + index + "]";
      }
  
      /**
       * Resolve this class info against the given constant pool.
       *
       * @param constantPool the constant pool with which to resolve the
       *      class.
       */
      @Override
      public void resolve(ConstantPool constantPool) {
          className = ((Utf8CPInfo) constantPool.getEntry(index)).getValue();
  
          super.resolve(constantPool);
      }
  
      /**
       * Get the class name of this entry.
       *
       * @return the class' name.
       */
      public String getClassName() {
          return className;
      }
  
  }
  