AnnotationExpr.java

/* 
  Copyright (C) 2013 Raquel Pau and Albert Coroleu.
 
 Walkmod 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 3 of the License, or
 (at your option) any later version.
 
 Walkmod 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 Lesser General Public License for more details.
 
 You should have received a copy of the GNU Lesser General Public License
 along with Walkmod.  If not, see <http://www.gnu.org/licenses/>.*/

package org.walkmod.javalang.ast.expr;

import java.util.Comparator;
import java.util.LinkedList;
import java.util.List;

import org.walkmod.javalang.ast.Node;
import org.walkmod.javalang.ast.SymbolDefinition;
import org.walkmod.javalang.ast.SymbolReference;
import org.walkmod.javalang.comparators.AnnotationExprComparator;
import org.walkmod.merger.Mergeable;

/**
 * @author Julio Vilmar Gesser
 */
public abstract class AnnotationExpr extends Expression implements Mergeable<AnnotationExpr>, SymbolReference {

   protected NameExpr name;

   private SymbolDefinition symbolDefinition;

   public AnnotationExpr() {
   }

   public AnnotationExpr(int beginLine, int beginColumn, int endLine, int endColumn) {
      super(beginLine, beginColumn, endLine, endColumn);
   }

   @Override
   public List<Node> getChildren() {
      List<Node> children = new LinkedList<Node>();
      if (name != null) {
         children.add(name);
      }
      return children;
   }

   @Override
   public boolean removeChild(Node child) {
      boolean result = false;
      if (child != null) {
         if (name == child) {
            name = null;
            result = true;
         }
      }
      if(result){
         updateReferences(child);
      }
      return result;
   }

   public NameExpr getName() {
      return name;
   }

   public void setName(NameExpr name) {
      if (this.name != null) {
         updateReferences(this.name);
      }
      this.name = name;
      setAsParentNodeOf(name);
   }

   @Override
   public Comparator<?> getIdentityComparator() {
      return new AnnotationExprComparator();
   }

   @Override
   public String getPrettySource(char indentationChar, int indentationLevel, int indentationSize) {
      String text = super.getPrettySource(indentationChar, 0, 0);
      text += " ";

      return text;
   }

   @Override
   public SymbolDefinition getSymbolDefinition() {
      return symbolDefinition;
   }

   @Override
   public void setSymbolDefinition(SymbolDefinition symbolDefinition) {
      this.symbolDefinition = symbolDefinition;
   }

   @Override
   public boolean replaceChildNode(Node oldChild, Node newChild) {
      if (name == oldChild) {
         setName((NameExpr) newChild);
         return true;
      }
      return false;
   }
}