content: package org.apache.solr.analysis;
  /**
   * 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 org.apache.lucene.analysis.TokenStream;
  import org.apache.lucene.analysis.payloads.DelimitedPayloadTokenFilter;
  import org.apache.lucene.analysis.payloads.PayloadEncoder;
  import org.apache.lucene.analysis.payloads.FloatEncoder;
  import org.apache.lucene.analysis.payloads.IntegerEncoder;
  import org.apache.lucene.analysis.payloads.IdentityEncoder;
  import org.apache.solr.common.ResourceLoader;
  import org.apache.solr.common.SolrException;
  import org.apache.solr.util.plugin.ResourceLoaderAware;
  
  import java.util.Map;
  
  
  /**
   *
   * Factory for {@link DelimitedPayloadTokenFilter}.
   * <pre class="prettyprint" >
   * &lt;fieldType name="text_dlmtd" class="solr.TextField" positionIncrementGap="100"&gt;
   *   &lt;analyzer&gt;
   *     &lt;tokenizer class="solr.WhitespaceTokenizerFactory"/&gt;
   *     &lt;filter class="solr.DelimitedPayloadTokenFilterFactory" encoder="float" delimiter="|"/&gt;
   *   &lt;/analyzer&gt;
   * &lt;/fieldType&gt;</pre>
   * @version $Id$
   * 
   */
  public class DelimitedPayloadTokenFilterFactory extends BaseTokenFilterFactory implements ResourceLoaderAware {
    public static final String ENCODER_ATTR = "encoder";
    public static final String DELIMITER_ATTR = "delimiter";
  
    private PayloadEncoder encoder;
    private char delimiter = '|';
  
    public DelimitedPayloadTokenFilter create(TokenStream input) {
      return new DelimitedPayloadTokenFilter(input, delimiter, encoder);
    }
  
    @Override
    public void init(Map<String, String> args) {
      super.init(args);
    }
  
    public void inform(ResourceLoader loader) {
      String encoderClass = args.get(ENCODER_ATTR);
      if (encoderClass.equals("float")){
        encoder = new FloatEncoder();
      } else if (encoderClass.equals("integer")){
        encoder = new IntegerEncoder();
      } else if (encoderClass.equals("identity")){
        encoder = new IdentityEncoder();
      } else {
        encoder = (PayloadEncoder) loader.newInstance(encoderClass);
      }
  
      String delim = args.get(DELIMITER_ATTR);
      if (delim != null){
        if (delim.length() == 1) {
          delimiter = delim.charAt(0);
        } else{
          throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, "Delimiter must be one character only");
        }
      }
    }
  }