How to use

getFieldType

method

in

org.apache.bcel.generic.FieldInstruction

/**
 * Return whether the given FieldInstruction accesses a long or double
 * field.
 *
 * @param fieldIns
 *            the FieldInstruction
 * @param cpg
 *            the ConstantPoolGen for the method
 */
protected static boolean isLongOrDouble(FieldInstruction fieldIns, ConstantPoolGen cpg) {
  Type type = fieldIns.getFieldType(cpg);
  int code = type.getType();
  return code == Const.T_LONG || code == Const.T_DOUBLE;
}

public void modelFieldLoad(FieldInstruction obj) {
  consumeStack(obj);
  Type loadType = obj.getFieldType(cpg);
  XField xfield = Hierarchy.findXField(obj, getCPG());
  if (xfield != null) {
    loadType = getType(xfield);
  }
  pushValue(loadType);
}

/** @return return type of referenced field
 */
@Override
public Type getType( final ConstantPoolGen cpg ) {
  return getFieldType(cpg);
}

/** @return return type of referenced field
 */
public Type getType(ConstantPoolGen cpg) {
 return getFieldType(cpg);
}

/**
 * Return whether the given FieldInstruction accesses a long or double
 * field.
 *
 * @param fieldIns
 *            the FieldInstruction
 * @param cpg
 *            the ConstantPoolGen for the method
 */
protected static boolean isLongOrDouble(FieldInstruction fieldIns, ConstantPoolGen cpg) {
  Type type = fieldIns.getFieldType(cpg);
  int code = type.getType();
  return code == T_LONG || code == T_DOUBLE;
}

public void visitFieldInstruction(FieldInstruction i) {
 short  opcode = i.getOpcode();
 String class_name = i.getClassName(_cp);
 String field_name = i.getFieldName(_cp);
 Type   type       = i.getFieldType(_cp);
 _out.println("il.append(_factory.createFieldAccess(\"" +
    class_name + "\", \"" + field_name + "\", " +
    BCELifier.printType(type) + ", " +
    "Constants." + Constants.OPCODE_NAMES[opcode].toUpperCase() +
    "));");
}

@Override
public void visitFieldInstruction( final FieldInstruction i ) {
  final short opcode = i.getOpcode();
  final String class_name = i.getClassName(_cp);
  final String field_name = i.getFieldName(_cp);
  final Type type = i.getFieldType(_cp);
  _out.println("il.append(_factory.createFieldAccess(\"" + class_name + "\", \"" + field_name
      + "\", " + BCELifier.printType(type) + ", " + CONSTANT_PREFIX
      + Const.getOpcodeName(opcode).toUpperCase(Locale.ENGLISH) + "));");
}

public void modelFieldLoad(FieldInstruction obj) {
  consumeStack(obj);
  Type loadType = obj.getFieldType(cpg);
  XField xfield = Hierarchy.findXField(obj, getCPG());
  if (xfield != null) {
    loadType = getType(xfield);
  }
  pushValue(loadType);
}