Class ConstantString

java.lang.Object
org.apache.bcel.classfile.Constant
org.apache.bcel.classfile.ConstantString
All Implemented Interfaces:
Cloneable, ConstantObject, Node
public final class ConstantString extends Constant implements ConstantObject
This class is derived from the abstract Constant and represents a reference to a String object.
See Also:

  • Constructor Details

    • ConstantString

      public ConstantString(ConstantString c)
      Initialize from another object.
      Parameters:
      c - Source to copy.

    • ConstantString

      public ConstantString(int stringIndex)
      Constructs a ConstantString.
      Parameters:
      stringIndex - Index of Constant_Utf8 in constant pool.

  • Method Details

    • 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 Constant
      Parameters:
      v - Visitor object.

    • dump

      public void dump(DataOutputStream file) throws IOException
      Dumps constant field reference to file stream in binary format.
      Specified by:
      dump in class Constant
      Parameters:
      file - Output file stream.
      Throws:
      IOException - if an I/O error occurs.

    • getBytes

      public String getBytes(ConstantPool cp)
      Gets the dereferenced string.
      Parameters:
      cp - the constant pool.
      Returns:
      dereferenced string.

    • getConstantValue

      public Object getConstantValue(ConstantPool cp)
      Gets the String object.
      Specified by:
      getConstantValue in interface ConstantObject
      Parameters:
      cp - the constant pool.
      Returns:
      String object.

    • getStringIndex

      public int getStringIndex()
      Gets the index in constant pool of the string.
      Returns:
      Index in constant pool of the string (ConstantUtf8).

    • setStringIndex

      public void setStringIndex(int stringIndex)
      Sets the string index.
      Parameters:
      stringIndex - the index into the constant of the string value.

    • toString

      public String toString()
      Overrides:
      toString in class Constant
      Returns:
      String representation.