EnumDeclaration.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.body;

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

import org.walkmod.javalang.ast.Node;
import org.walkmod.javalang.ast.expr.AnnotationExpr;
import org.walkmod.javalang.ast.type.ClassOrInterfaceType;
import org.walkmod.javalang.visitors.GenericVisitor;
import org.walkmod.javalang.visitors.VoidVisitor;

/**
 * @author Julio Vilmar Gesser
 */
public final class EnumDeclaration extends TypeDeclaration {

   private List<ClassOrInterfaceType> implementsList;

   private List<EnumConstantDeclaration> entries;

   public EnumDeclaration() {
   }

   public EnumDeclaration(int modifiers, String name) {
      super(modifiers, name);
   }

   public EnumDeclaration(JavadocComment javaDoc, int modifiers, List<AnnotationExpr> annotations, String name,
         List<ClassOrInterfaceType> implementsList, List<EnumConstantDeclaration> entries,
         List<BodyDeclaration> members) {
      this(0, 0, 0, 0, javaDoc, modifiers, annotations, name, implementsList, entries, members);

   }

   public EnumDeclaration(int beginLine, int beginColumn, int endLine, int endColumn, JavadocComment javaDoc,
         int modifiers, List<AnnotationExpr> annotations, String name, List<ClassOrInterfaceType> implementsList,
         List<EnumConstantDeclaration> entries, List<BodyDeclaration> members) {
      super(beginLine, beginColumn, endLine, endColumn, annotations, javaDoc, modifiers, name, members);
      setImplements(implementsList);
      setEntries(entries);
   }

   @Override
   public boolean removeChild(Node child) {
      boolean result = false;
      if (child != null) {
         result = super.removeChild(child);
         if (!result) {
            if (child instanceof ClassOrInterfaceType) {
               if (implementsList != null) {
                  List<ClassOrInterfaceType> auxImplementsList = new LinkedList<ClassOrInterfaceType>(implementsList);
                  result = auxImplementsList.remove(child);
                  implementsList = auxImplementsList;
               }
            } else if (child instanceof EnumConstantDeclaration) {
               if (entries != null) {
                  List<EnumConstantDeclaration> entriesAux = new LinkedList<EnumConstantDeclaration>();
                  result = entriesAux.remove(child);
                  entries = entriesAux;
               }
            }
         }
      }
      if(result){
         updateReferences(child);
      }
      return result;
   }

   @Override
   public List<Node> getChildren() {
      List<Node> children = super.getChildren();
      if (implementsList != null) {
         children.addAll(implementsList);
      }
      if (entries != null) {
         children.addAll(entries);
      }
      return children;
   }

   @Override
   public <R, A> R accept(GenericVisitor<R, A> v, A arg) {
      if (!check()) {
         return null;
      }
      return v.visit(this, arg);
   }

   @Override
   public <A> void accept(VoidVisitor<A> v, A arg) {
      if (check()) {
         v.visit(this, arg);
      }
   }

   public List<EnumConstantDeclaration> getEntries() {
      return entries;
   }

   public List<ClassOrInterfaceType> getImplements() {
      return implementsList;
   }

   public void setEntries(List<EnumConstantDeclaration> entries) {
      this.entries = entries;
      setAsParentNodeOf(entries);
   }

   public void setImplements(List<ClassOrInterfaceType> implementsList) {
      this.implementsList = implementsList;
      setAsParentNodeOf(implementsList);
   }

   @Override
   public boolean replaceChildNode(Node oldChild, Node newChild) {
      boolean update = super.replaceChildNode(oldChild, newChild);

      if (!update) {
         update = replaceChildNodeInList(oldChild, newChild, implementsList);
         if (!update) {
            update = replaceChildNodeInList(oldChild, newChild, entries);
         }
      }
      return update;
   }

   @Override
   public EnumDeclaration clone() throws CloneNotSupportedException {
      return new EnumDeclaration(clone(getJavaDoc()), getModifiers(), clone(getAnnotations()), getName(),
            clone(getImplements()), clone(getEntries()), clone(getMembers()));
   }

}