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A Java Optimization Framework

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package soot.dava.internal.AST;

/*-
 * #%L
 * Soot - a J*va Optimization Framework
 * %%
 * Copyright (C) 2005 Nomair A. Naeem
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 2.1 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * .
 * #L%
 */

import soot.UnitPrinter;
import soot.Value;
import soot.dava.internal.javaRep.DNotExpr;
import soot.dava.toolkits.base.AST.analysis.Analysis;

public class ASTUnaryCondition extends ASTUnaryBinaryCondition {
  Value value;

  public ASTUnaryCondition(Value value) {
    this.value = value;
  }

  public void apply(Analysis a) {
    a.caseASTUnaryCondition(this);
  }

  public Value getValue() {
    return value;
  }

  public void setValue(Value value) {
    this.value = value;
  }

  public String toString() {
    return value.toString();
  }

  public void toString(UnitPrinter up) {
    value.toString(up);
  }

  public void flip() {
    /*
     * Since its a unarycondition we know this is a flag See if its a DNotExpr if yes set this.value to the op inside
     * DNotExpr If it is NOT a DNotExpr make one
     */
    if (value instanceof DNotExpr) {
      this.value = ((DNotExpr) value).getOp();
    } else {
      this.value = new DNotExpr(value);
    }
  }

  public boolean isNotted() {
    return (value instanceof DNotExpr);
  }
}