Class AnnotationVisitor


  • public abstract class AnnotationVisitor
    extends Object
    A visitor to visit a Java annotation. The methods of this class must be called in the following order: ( visit | visitEnum | visitAnnotation | visitArray )* visitEnd.
    Author:
    Eric Bruneton, Eugene Kuleshov
    • Field Detail

      • api

        protected final int api
        The ASM API version implemented by this visitor. The value of this field must be one of the ASMx values in Opcodes.
      • av

        protected AnnotationVisitor av
        The annotation visitor to which this visitor must delegate method calls. May be null.
    • Constructor Detail

      • AnnotationVisitor

        protected AnnotationVisitor​(int api)
        Constructs a new AnnotationVisitor.
        Parameters:
        api - the ASM API version implemented by this visitor. Must be one of the ASMx values in Opcodes.
      • AnnotationVisitor

        protected AnnotationVisitor​(int api,
                                    AnnotationVisitor annotationVisitor)
        Constructs a new AnnotationVisitor.
        Parameters:
        api - the ASM API version implemented by this visitor. Must be one of the ASMx values in Opcodes.
        annotationVisitor - the annotation visitor to which this visitor must delegate method calls. May be null.
    • Method Detail

      • visitEnum

        public void visitEnum​(String name,
                              String descriptor,
                              String value)
        Visits an enumeration value of the annotation.
        Parameters:
        name - the value name.
        descriptor - the class descriptor of the enumeration class.
        value - the actual enumeration value.
      • visitAnnotation

        public AnnotationVisitor visitAnnotation​(String name,
                                                 String descriptor)
        Visits a nested annotation value of the annotation.
        Parameters:
        name - the value name.
        descriptor - the class descriptor of the nested annotation class.
        Returns:
        a visitor to visit the actual nested annotation value, or null if this visitor is not interested in visiting this nested annotation. The nested annotation value must be fully visited before calling other methods on this annotation visitor.
      • visitArray

        public AnnotationVisitor visitArray​(String name)
        Visits an array value of the annotation. Note that arrays of primitive values (such as byte, boolean, short, char, int, long, float or double) can be passed as value to visit. This is what ClassReader does for non empty arrays of primitive values.
        Parameters:
        name - the value name.
        Returns:
        a visitor to visit the actual array value elements, or null if this visitor is not interested in visiting these values. The 'name' parameters passed to the methods of this visitor are ignored. All the array values must be visited before calling other methods on this annotation visitor.
      • visitEnd

        public void visitEnd()
        Visits the end of the annotation.