Java 实现读取文件指定行

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;

/**
 * 
* @Title: ReaderFileLine.java 
* @Package com.io 
* @Description: 读取文件的指定行
* @author zxt   
* @date 2011-12-1 上午09:32:37 
* @version V1.0
 */
public class ReaderFileLine {


 /**
  * 
 * @Title: getTxtContent 
 * @Description: 将文本读取到List中并返回  
 * @param @param path - 文件路径
 * @param @return    
 * @return List<String> - 返回读取文件行的集合
 * @throws
  */
 public static List<String> getFileContent(String path) {
List<String> strList = new ArrayList<String>();
 try {
  File file = new File(path);
  InputStreamReader read = new InputStreamReader(new FileInputStream(file), "UTF-8");
  BufferedReader reader = new BufferedReader(read);
  String line;
  while((line = reader.readLine()) != null) {
  strList.add(line);
  }
 } catch (UnsupportedEncodingException e) {
 e.printStackTrace();
 } catch (FileNotFoundException e) {
 e.printStackTrace();
 } catch (IOException e) {
 e.printStackTrace();
 }
 return strList;
 }


 /**
  * 
 * @Title: listFileByRow 
 * @Description: 获取指定行的值  
 * @param @param path - 文件路径
 * @param @param row - 指定行   
 * @return String - 返回指定行的数据,没有指定行时数据返回空字符串
 * @throws
  */
 public static String listFileByRow(String path, Integer row) {
 List<String> strList = getFileContent(path);
 int size = strList.size();
 if(size >= (row - 1)) 
 return strList.get(row - 1);
 else
 return ""; 
 }

 public static List<String> listFileByRegionRow(String path, Integer startLine, Integer endLine) {
 List<String> strList = getFileContent(path);
 //指定区间的值存到regionList 
 List<String> regionList = new ArrayList<String>();  
 int size = strList.size();
 if(size >= (endLine - 1)) {
  for (int i=startLine; i<=endLine; i++)
 regionList.add(strList.get(i-1));
 } 
 return regionList;
 }

 public static void main(String[] args) {


int startLine = 17, endLine = 53;
System.out.println("第" + startLine + "行：" + listFileByRow("D:\\f5-log\\access.log", startLine));
        
        List<String> regionList = listFileByRegionRow("D:\\f5-log\\access.log", startLine, endLine);
        if(!regionList.isEmpty()) {
        for(String strLine : regionList) {
        System.out.println("第" + startLine + "行：" + strLine);
        startLine ++;
        }
        }
 }


}