J2CPS/StringRef.java

   1 /**********************************************************************/
   2 /*                 String Reference class for J2CPS                   */
   3 /*                                                                    */
   4 /*                      (c) copyright QUT                             */
   5 /**********************************************************************/
   6 package J2CPS;
   7
   8 public class StringRef {
   9
  10   ConstantPool cp;  /* the constant pool containing this string ref */
  11   String str;       /* the string this ref refers to                */
  12   int strIndex;     /* the CP index for this string                 */
  13
  14   public StringRef(ConstantPool thisCp, int strIx) {
  15     this.cp = thisCp;
  16     this.strIndex = strIx;
  17   }
  18
  19   public String GetString() {
  20     if (this.str == null) { this.str = (String) cp.Get(strIndex); }
  21     return str;
  22   }
  23
  24   public void Resolve() {
  25     this.str = (String) this.cp.Get(strIndex);
  26   }
  27
  28     @Override
  29   public String toString() {
  30     this.Resolve();
  31     return ("<StringRef>  " + this.strIndex + " " + str);
  32   }
  33
  34 }
  35