Package org.apache.bcel.generic

Class FieldOrMethod

java.lang.Object
org.apache.bcel.generic.Instruction
org.apache.bcel.generic.CPInstruction
org.apache.bcel.generic.FieldOrMethod
All Implemented Interfaces:
Cloneable, IndexedInstruction, LoadClass, TypedInstruction
Direct Known Subclasses:
FieldInstruction, InvokeInstruction
public abstract class FieldOrMethod extends CPInstruction implements LoadClass
Super class for InvokeInstruction and FieldInstruction, since they have some methods in common!

  • Constructor Details

    • FieldOrMethod

      protected FieldOrMethod(short opcode, int index)
      Parameters:
      index - to constant pool

  • Method Details

    • getSignature

      public String getSignature(ConstantPoolGen cpg)
      Returns:
      signature of referenced method/field.

    • getName

      public String getName(ConstantPoolGen cpg)
      Returns:
      name of referenced method/field.

    • getClassName

      @Deprecated public String getClassName(ConstantPoolGen cpg)
      Deprecated.
      If the instruction references an array class, this method will return "java.lang.Object". For code generated by Java 1.5, this answer is sometimes wrong (e.g., if the "clone()" method is called on an array). A better idea is to use the getReferenceType(ConstantPoolGen) method, which correctly distinguishes between class types and array types.
      Returns:
      name of the referenced class/interface

    • getClassType

      @Deprecated public ObjectType getClassType(ConstantPoolGen cpg)
      Deprecated.
      If the instruction references an array class, the ObjectType returned will be invalid. Use getReferenceType() instead.
      Returns:
      type of the referenced class/interface

    • getReferenceType

      public ReferenceType getReferenceType(ConstantPoolGen cpg)
      Gets the reference type representing the class, interface, or array class referenced by the instruction.
      Parameters:
      cpg - the ConstantPoolGen used to create the instruction
      Returns:
      an ObjectType (if the referenced class type is a class or interface), or an ArrayType (if the referenced class type is an array class)

    • getLoadClassType

      public ObjectType getLoadClassType(ConstantPoolGen cpg)
      Gets the ObjectType of the method return or field.
      Specified by:
      getLoadClassType in interface LoadClass
      Returns:
      type of the referenced class/interface
      Throws:
      ClassGenException - when the field is (or method returns) an array,