GeneralPunctuationFilter.java

package org.docear.plugin.core.util;

import java.util.HashMap;
import java.util.Map;


public class GeneralPunctuationFilter extends CharSequenceFilter {
	
	public static Map<Character, Character> generalPunctionsMap = new HashMap<Character, Character>();
	static {
		generalPunctionsMap.put((char) 0x00B6,'\n'); //¶
		generalPunctionsMap.put((char) 0x00A1,'!');	//¡
		generalPunctionsMap.put((char) 0x00BF,'?');	//¿
		generalPunctionsMap.put((char) 0x2039,'<');	//‹
		generalPunctionsMap.put((char) 0x203A,'>');	//›
		generalPunctionsMap.put((char) 0x00AB,'<');	//«
		generalPunctionsMap.put((char) 0x00BB,'>');	//»
		
		generalPunctionsMap.put((char) 0x2018,'\''); //‘
		generalPunctionsMap.put((char) 0x2019,'\''); //’
		generalPunctionsMap.put((char) 0x201A,'\''); //‚
		generalPunctionsMap.put((char) 0x201C,'"');	//“
		generalPunctionsMap.put((char) 0x201D,'"'); //”
		generalPunctionsMap.put((char) 0x201E,'"'); //„
		generalPunctionsMap.put((char) 0x201F,'"'); 
		
		generalPunctionsMap.put((char) 0x2022,'-'); //•
		
		//dashes and hyphens
		//generalPunctionsMap.put((char) 0x00AD,'-'); //­
		
		generalPunctionsMap.put((char) 0x2010,'-');
		generalPunctionsMap.put((char) 0x2011,'-');
		generalPunctionsMap.put((char) 0x2012,'-');
		generalPunctionsMap.put((char) 0x2013,'-'); //–
		generalPunctionsMap.put((char) 0x2014,'-'); //—
		generalPunctionsMap.put((char) 0x2015,'-');
	}
	

	public GeneralPunctuationFilter() {
		this(null);
	}
	public GeneralPunctuationFilter(CharSequenceFilter filter) {
		super(filter);
	}
	
	public Character filterCharacter(Character chr) {			
		if (generalPunctionsMap.containsKey(chr)) {
			return generalPunctionsMap.get(chr);
		} 			
		return chr;
	}
}