获取文件字符数

/**

 * Copyright (c) 2009 DITA2InDesign project (dita2indesign.sourceforge.net)  Licensed 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 com.nowjava;
/*
来 自*
 n o w    j a v a  . c o m
*/

import java.io.BufferedReader;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;


import java.io.IOException;

import java.io.InputStreamReader;


public class Main {

    /**

     * @param inFile

     * @return

     */

    public static long getCharacterCount(File inFile, String charSetName) {

        long count = 0;

        FileInputStream fis = null;

        try {

            fis = new FileInputStream(inFile);

            InputStreamReader isr = new InputStreamReader(fis, charSetName);

            int bufsize = 1024;

            char[] chars = new char[bufsize];/**来自 nowjava - 时  代  Java**/

            BufferedReader br = new BufferedReader(isr, bufsize);

            int cnt = br.read(chars, 0, bufsize);

            while (cnt >= 0) {

                count += cnt;

                cnt = br.read(chars, 0, bufsize);

            }

        } catch (FileNotFoundException e) {

            //logger.debug(e);

        }