org.wltea.analyzer.cfg.DefaultConfig Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of IK_Analyzer Show documentation
IK 分词器项目maven版.发布到maven中央仓库
The newest version!
/**
 * IK 中文分词  版本 5.0
 * IK Analyzer release 5.0
 * 
 * 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.
 *
 * 源代码由林良益([email protected])提供
 * 版权声明 2012，乌龙茶工作室
 * provided by Linliangyi and copyright 2012 by Oolong studio
 * 
 * 
 */
package org.wltea.analyzer.cfg;

import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.InvalidPropertiesFormatException;
import java.util.List;
import java.util.Properties;

/**
 * Configuration 默认实现
 * 2012-5-8
 *
 */
public class DefaultConfig implements Configuration{

	/*
	 * 分词器默认字典路径 
	 */
	private static final String PATH_DIC_MAIN = "org/wltea/analyzer/dic/main2012.dic";
	private static final String PATH_DIC_QUANTIFIER = "org/wltea/analyzer/dic/quantifier.dic";

	/*
	 * 分词器配置文件路径
	 */	
	private static final String FILE_NAME = "IKAnalyzer.cfg.xml";
	//配置属性——扩展字典
	private static final String EXT_DICT = "ext_dict";
	//配置属性——扩展停止词典
	private static final String EXT_STOP = "ext_stopwords";
	
	private Properties props;
	/*
	 * 是否使用smart方式分词
	 */
	private boolean useSmart;
	
	/**
	 * 返回单例
	 * @return Configuration单例
	 */
	public static Configuration getInstance(){
		return new DefaultConfig();
	}
	
	/*
	 * 初始化配置文件
	 */
	private DefaultConfig(){		
		props = new Properties();
		
		InputStream input = this.getClass().getClassLoader().getResourceAsStream(FILE_NAME);
		if(input != null){
			try {
				props.loadFromXML(input);
			} catch (InvalidPropertiesFormatException e) {
				e.printStackTrace();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}

	
	/**
	 * 返回useSmart标志位
	 * useSmart =true ，分词器使用智能切分策略， =false则使用细粒度切分
	 * @return useSmart
	 */
	public boolean useSmart() {
		return useSmart;
	}

	/**
	 * 设置useSmart标志位
	 * useSmart =true ，分词器使用智能切分策略， =false则使用细粒度切分
	 * @param useSmart
	 */
	public void setUseSmart(boolean useSmart) {
		this.useSmart = useSmart;
	}	
	
	/**
	 * 获取主词典路径
	 * 
	 * @return String 主词典路径
	 */
	public String getMainDictionary(){
		return PATH_DIC_MAIN;
	}

	/**
	 * 获取量词词典路径
	 * @return String 量词词典路径
	 */
	public String getQuantifierDicionary(){
		return PATH_DIC_QUANTIFIER;
	}

	/**
	 * 获取扩展字典配置路径
	 * @return List 相对类加载器的路径
	 */
	public List getExtDictionarys(){
		List extDictFiles = new ArrayList(2);
		String extDictCfg = props.getProperty(EXT_DICT);
		if(extDictCfg != null){
			//使用;分割多个扩展字典配置
			String[] filePaths = extDictCfg.split(";");
			if(filePaths != null){
				for(String filePath : filePaths){
					if(filePath != null && !"".equals(filePath.trim())){
						extDictFiles.add(filePath.trim());
					}
				}
			}
		}		
		return extDictFiles;		
	}


	/**
	 * 获取扩展停止词典配置路径
	 * @return List 相对类加载器的路径
	 */
	public List getExtStopWordDictionarys(){
		List extStopWordDictFiles = new ArrayList(2);
		String extStopWordDictCfg = props.getProperty(EXT_STOP);
		if(extStopWordDictCfg != null){
			//使用;分割多个扩展字典配置
			String[] filePaths = extStopWordDictCfg.split(";");
			if(filePaths != null){
				for(String filePath : filePaths){
					if(filePath != null && !"".equals(filePath.trim())){
						extStopWordDictFiles.add(filePath.trim());
					}
				}
			}
		}		
		return extStopWordDictFiles;		
	}
			

}