/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License.  You may obtain a copy of the License at
    *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  package org.apache.myfaces.component.search;
  
  import javax.faces.component.UIComponent;
  import javax.faces.component.search.SearchExpressionContext;
  import javax.faces.component.search.SearchKeywordContext;
  import javax.faces.component.search.SearchKeywordResolver;
  
  /**
   *
   */
  public class CompositeSearchKeywordResolver extends SearchKeywordResolver
  {
      private int size;
  
      private SearchKeywordResolver[] resolvers;
  
      public CompositeSearchKeywordResolver()
      {
          this.size = 0;
          this.resolvers = new SearchKeywordResolver[2];
      }
  
      public void add(SearchKeywordResolver elResolver)
      {
          if (elResolver == null)
          {
              throw new NullPointerException();
          }
  
          if (this.size >= this.resolvers.length)
          {
              SearchKeywordResolver[] nr = new SearchKeywordResolver[this.size * 2];
              System.arraycopy(this.resolvers, 0, nr, 0, this.size);
              this.resolvers = nr;
          }
          this.resolvers[this.size++] = elResolver;
      }
  
      @Override
      public void resolve(SearchKeywordContext context, UIComponent current, String keyword)
      {
          context.setKeywordResolved(false);
          int sz = this.size;
          for (int i = 0; i < sz; i++)
          {
              if (this.resolvers[i].isResolverForKeyword(context.getSearchExpressionContext(), keyword))
              {
                  this.resolvers[i].resolve(context, current, keyword);
                  if (context.isKeywordResolved())
                  {
                      return;
                  }
              }
          }
      }
  
      @Override
      public boolean isResolverForKeyword(SearchExpressionContext searchExpressionContext, String keyword)
      {
          int sz = this.size;
          for (int i = 0; i < sz; i++)
          {
              if (this.resolvers[i].isResolverForKeyword(searchExpressionContext, keyword))
              {
                  return true;
              }
          }
          return false;
      }
  
      @Override
      public boolean isPassthrough(SearchExpressionContext searchExpressionContext, String keyword)
      {
          int sz = this.size;
          for (int i = 0; i < sz; i++)
          {
              if (this.resolvers[i].isResolverForKeyword(searchExpressionContext, keyword))
              {
                  return this.resolvers[i].isPassthrough(searchExpressionContext, keyword);
              }
         }
         return false;
     }
 
     @Override
     public boolean isLeaf(SearchExpressionContext searchExpressionContext, String keyword)
     {
         int sz = this.size;
         for (int i = 0; i < sz; i++)
         {
             if (this.resolvers[i].isResolverForKeyword(searchExpressionContext, keyword))
             {
                 return this.resolvers[i].isLeaf(searchExpressionContext, keyword);
             }
         }
         return false;
     }
 }