/**
*
*/
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;
import org.wltea.analyzer.dic.Dictionary;
import org.wltea.analyzer.seg.CJKSegmenter;
import org.wltea.analyzer.seg.ISegmenter;
import org.wltea.analyzer.seg.LetterSegmenter;
import org.wltea.analyzer.seg.QuantifierSegmenter;
/**
* IK Analyzer v3.2
* 简单的配置管理类,单子模式
* @author 林良益
*
*/
public class Configuration {
/*
* 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 static final Configuration CFG = new Configuration();
private Properties props;
/*
* 初始化配置文件
*/
private Configuration(){
props = new Properties();
InputStream input = Configuration.class.getResourceAsStream(FILE_NAME);
if(input != null){
try {
props.loadFromXML(input);
} catch (InvalidPropertiesFormatException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
/**
* 获取扩展字典配置路径
* @return List<String> 相对类加载器的路径
*/
public static List<String> getExtDictionarys(){
List<String> extDictFiles = new ArrayList<String>(2);
String extDictCfg = CFG.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());
//System.out.println(filePath.trim());
}
}
}
}
return extDictFiles;
}
/**
* 获取扩展停止词典配置路径
* @return List<String> 相对类加载器的路径
*/
public static List<String> getExtStopWordDictionarys(){
List<String> extStopWordDictFiles = new ArrayList<String>(2);
String extStopWordDictCfg = CFG.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());
//System.out.println(filePath.trim());
}
}
}
}
return extStopWordDictFiles;
}
/**
* 初始化子分词器实现
* （目前暂时不考虑配置扩展）
* @return List<ISegmenter>
*/
public static List<ISegmenter> loadSegmenter(){
//初始化词典单例
Dictionary.getInstance();
List<ISegmenter> segmenters = new ArrayList<ISegmenter>(4);
//处理数量词的子分词器
segmenters.add(new QuantifierSegmenter());
//处理字母的子分词器
segmenters.add(new LetterSegmenter());
//处理中文词的子分词器
segmenters.add(new CJKSegmenter());
return segmenters;
}
}