ReplaceParser.java

/**
 * 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.nutch.parse.replace;

import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.nutch.parse.HTMLMetaTags;
import org.apache.nutch.parse.HtmlParseFilter;
import org.apache.nutch.parse.Parse;
import org.apache.nutch.parse.ParseResult;
import org.apache.nutch.protocol.Content;
import org.w3c.dom.DocumentFragment;

/**
 * Do pattern replacements on selected field contents
 * prior to indexing.
 */
public class ReplaceParser implements HtmlParseFilter {

  private static final Log LOG = LogFactory.getLog(ReplaceParser.class
      .getName());

  private static Map<String, List<Object>> REPLACEPATTERNS_BY_HOST = new HashMap();
  private static Map<String, List<Object>> REPLACEPATTERNS_BY_URL = new HashMap();

  private Configuration conf;

  private Set<String> metatagset = new HashSet<String>();

  public void setConf(Configuration conf) {
    this.conf = conf;
    String[] values = conf.getStrings("parse.replace.regexp", null);
    if (values != null) {
      this.parseConf(values);
    }
  }

  public Configuration getConf() {
    return this.conf;
  }

  private void parseConf(String[] values) {
	  
  }

  public ParseResult filter(Content content, ParseResult parseResult,
      HTMLMetaTags metaTags, DocumentFragment doc) {

    Parse parse = parseResult.get(content.getUrl());

    return parseResult;
  }
}