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;
  
  /**
   * A MethodRef CP Info
   *
   */
  public class MethodRefCPInfo extends ConstantPoolEntry {
      /** the name of the class defining this method */
      private String methodClassName;
      /** the name of the method */
      private String methodName;
      /** the method's type descriptor */
      private String methodType;
      /** The index into the constant pool which defines the class of this method. */
      private int classIndex;
      /**
       * the index into the constant pool which defined the name and type
       * signature of the method
       */
      private int nameAndTypeIndex;
  
      /** Constructor. */
      public MethodRefCPInfo() {
          super(CONSTANT_METHODREF, 1);
      }
  
      /**
       * read a constant pool entry from a class stream.
       *
       * @param cpStream the DataInputStream which contains the constant pool
       *      entry to be read.
       * @exception IOException if there is a problem reading the entry from
       *      the stream.
       */
      @Override
      public void read(DataInputStream cpStream) throws IOException {
          classIndex = cpStream.readUnsignedShort();
          nameAndTypeIndex = cpStream.readUnsignedShort();
      }
  
      /**
       * Print a readable version of the constant pool entry.
       *
       * @return the string representation of this constant pool entry.
       */
      @Override
      public String toString() {
          if (isResolved()) {
              return "Method : Class = " + methodClassName + ", name = "
                  + methodName + ", type = " + methodType;
          }
          return "Method : Class index = " + classIndex
              + ", name and type index = " + nameAndTypeIndex;
      }
  
      /**
       * Resolve this constant pool entry with respect to its dependents in
       * the constant pool.
       *
       * @param constantPool the constant pool of which this entry is a member
       *      and against which this entry is to be resolved.
       */
      @Override
      public void resolve(ConstantPool constantPool) {
          ClassCPInfo methodClass
               = (ClassCPInfo) constantPool.getEntry(classIndex);
  
          methodClass.resolve(constantPool);
  
          methodClassName = methodClass.getClassName();
  
          NameAndTypeCPInfo nt
               = (NameAndTypeCPInfo) constantPool.getEntry(nameAndTypeIndex);
  
          nt.resolve(constantPool);
  
          methodName = nt.getName();
          methodType = nt.getType();
  
          super.resolve(constantPool);
      }
  
      /**
       * Get the name of the class defining the method
       *
       * @return the name of the class defining this method
       */
      public String getMethodClassName() {
          return methodClassName;
      }
  
      /**
       * Get the name of the method.
       *
       * @return the name of the method.
       */
      public String getMethodName() {
          return methodName;
      }
  
      /**
       * Get the type signature of the method.
       *
       * @return the type signature of the method.
       */
      public String getMethodType() {
          return methodType;
      }
  
  }
  