Class ModuleMainClass

  • All Implemented Interfaces:
    java.lang.Cloneable, Node

    public final class ModuleMainClass
    extends Attribute
    This class is derived from Attribute and indicates the main class of a module. There may be at most one ModuleMainClass attribute in a ClassFile structure.
    See Also:
    Attribute
    • Field Detail

      • mainClassIndex

        private int mainClassIndex
    • Constructor Detail

      • ModuleMainClass

        ModuleMainClass​(int nameIndex,
                        int length,
                        java.io.DataInput input,
                        ConstantPool constantPool)
                 throws java.io.IOException
        Constructs object from input stream.
        Parameters:
        nameIndex - Index in constant pool
        length - Content length in bytes
        input - Input stream
        constantPool - Array of constants
        Throws:
        java.io.IOException - if an I/O error occurs.
      • ModuleMainClass

        public ModuleMainClass​(int nameIndex,
                               int length,
                               int mainClassIndex,
                               ConstantPool constantPool)
        Parameters:
        nameIndex - Index in constant pool
        length - Content length in bytes
        mainClassIndex - Host class index
        constantPool - Array of constants
      • ModuleMainClass

        public ModuleMainClass​(ModuleMainClass c)
        Initialize from another object. Note that both objects use the same references (shallow copy). Use copy() for a physical copy.
        Parameters:
        c - Source to copy.
    • Method Detail

      • accept

        public void accept​(Visitor v)
        Called by objects that are traversing the nodes of the tree implicitly defined by the contents of a Java class. I.e., the hierarchy of methods, fields, attributes, etc. spawns a tree of objects.
        Specified by:
        accept in interface Node
        Specified by:
        accept in class Attribute
        Parameters:
        v - Visitor object
      • copy

        public Attribute copy​(ConstantPool constantPool)
        Specified by:
        copy in class Attribute
        Parameters:
        constantPool - constant pool to save.
        Returns:
        deep copy of this attribute
      • dump

        public void dump​(java.io.DataOutputStream file)
                  throws java.io.IOException
        Dump ModuleMainClass attribute to file stream in binary format.
        Overrides:
        dump in class Attribute
        Parameters:
        file - Output file stream
        Throws:
        java.io.IOException - if an I/O error occurs.
      • getHostClassIndex

        public int getHostClassIndex()
        Returns:
        index into constant pool of host class name.
      • setHostClassIndex

        public void setHostClassIndex​(int mainClassIndex)
        Parameters:
        mainClassIndex - the host class index
      • toString

        public java.lang.String toString()
        Overrides:
        toString in class Attribute
        Returns:
        String representation