content: package org.apache.lucene.search.vectorhighlight;
  
  /**
   * 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.
   */
  
  import java.util.ArrayList;
  import java.util.Iterator;
  import java.util.List;
  
  import org.apache.lucene.search.vectorhighlight.FieldFragList.WeightedFragInfo;
  import org.apache.lucene.search.vectorhighlight.FieldPhraseList.WeightedPhraseInfo;
  
  /**
   * An implementation class of {@link FragListBuilder} that generates one {@link WeightedFragInfo} object.
   * Typical use case of this class is that you can get an entire field contents
   * by using both of this class and {@link SimpleFragmentsBuilder}.<br/>
   * <pre>
   * FastVectorHighlighter h = new FastVectorHighlighter( true, true,
   *   new SingleFragListBuilder(), new SimpleFragmentsBuilder() );
   * </pre>
   */
  public class SingleFragListBuilder implements FragListBuilder {
  
    public FieldFragList createFieldFragList(FieldPhraseList fieldPhraseList,
        int fragCharSize) {
  
      FieldFragList ffl = new FieldFragList( fragCharSize );
  
      List<WeightedPhraseInfo> wpil = new ArrayList<WeightedPhraseInfo>();
      Iterator<WeightedPhraseInfo> ite = fieldPhraseList.phraseList.iterator();
      WeightedPhraseInfo phraseInfo = null;
      while( true ){
        if( !ite.hasNext() ) break;
        phraseInfo = ite.next();
        if( phraseInfo == null ) break;
  
        wpil.add( phraseInfo );
      }
      if( wpil.size() > 0 )
        ffl.add( 0, Integer.MAX_VALUE, wpil );
      return ffl;
    }
  
  }
  