/**
* 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.analysis;
// JDK imports
import java.io.Reader;
// Lucene imports
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.TokenStream;
// Hadoop imports
import org.apache.hadoop.conf.Configurable;
import org.apache.hadoop.conf.Configuration;
// Nutch imports
import org.apache.nutch.plugin.Pluggable;
/**
* Extension point for analysis.
* All plugins found which implement this extension point are run
* sequentially on the parse.
*
* @author Jérôme Charron
*/
public abstract class NutchAnalyzer extends Analyzer
implements Configurable, Pluggable {
/** The name of the extension point. */
final static String X_POINT_ID = NutchAnalyzer.class.getName();
/** The current Configuration */
protected Configuration conf = null;
/**
* Creates a TokenStream which tokenizes all the text in the provided Reader.
*/
public abstract TokenStream tokenStream(String fieldName, Reader reader);
/* ----------------------------- *
* <implementation:Configurable> *
* ----------------------------- */
// Inherited Javadoc
public void setConf(Configuration conf) {
this.conf = conf;
}
// Inherited Javadoc
public Configuration getConf() {
return this.conf;
}
/* ------------------------------ *
* </implementation:Configurable> *
* ------------------------------ */
}