dictionaryprocessor.java

文本编辑分析大师

package myprojects_SpellChecker;

import java.util.TreeSet;
import java.util.*;
import java.io.*;
class DictionaryProcessor {
    private String word;//存放每行的单词
    private String dictionaryName;//字典名
    TreeSet treeset;
    private File MyDictionary;
    
    public DictionaryProcessor(File MyDictionary){
        this.MyDictionary=MyDictionary;
        treeset=new TreeSet();
        treeset.clear();//清空treeset
        readDictionary();
    }
    public void readDictionary(){//读入字典方法
        BufferedReader dic=null;
        try {
            dic=new BufferedReader(new FileReader(MyDictionary));
        }
        catch(FileNotFoundException ex) {
            System.out.println("Directory File not found!");
        }
        try {
            this.dictionaryName=dic.readLine();
            while((this.word=dic.readLine())!=null) {
                this.treeset.add(word/*.toLowerCase()*/);
            }
            dic.close();
        }
        catch(IOException ex) {
            System.out.println("文件读取失败！");
        }
    }
    public void addWordToDictionary(String word){//加入新单词到字典方法
        this.treeset.add(word);
    }
    public void NewDictionary(){//备份原字典以及更新原字典方法
        String newdic=MyDictionary.getName();//记录原字典文件的名称
        if(MyDictionary.exists()) {//把原字典保存为备份文件
            MyDictionary.renameTo(new File(MyDictionary.getName().substring(0,MyDictionary.getName().length()-4)+".bak"));
        }
        else System.out.println("The word is not exit!");
        try {
            FileWriter to=new FileWriter(newdic);//以原字典文件名创建字符流对象
            Iterator te=treeset.iterator();
            to.write(dictionaryName);//写字典名字
            while(te.hasNext())//把修改后的字典保存
            {
                String rr=new String(te.next().toString());
                rr=rr+"\r\n";
                to.write(rr);
            }
            to.close();
        }
        catch(Exception e){}
    }
    public void ExtraDictionary(File file){//导出词典
        try {
            FileWriter to=new FileWriter(file);//以另存的字典文件名创建字符流对象
            Iterator te=treeset.iterator();
            to.write(dictionaryName);//写字典名字
            while(te.hasNext())//把修改后的字典保存
            {
                String rr=new String(te.next().toString());
                rr=rr+"\r\n";
                to.write(rr);
            }
            to.close();
        }
        catch(Exception e){}
    }
}