*Author:tyfun
*DateTime:2002.12.19
*Package:com.westarsoft.io
*/
package com.westarsoft.io;
import java.io.*;
public class FileOperation {
private static String str = new String();
private static String fileName = new String();
private static String filePath = new String();
private static String text = new String();
public String getStr() {
return str;
}
public void setStr(String str) {
this.str = str;
}
public String getFileName() {
return fileName;
}
public void setFileName(String fileName) {
this.fileName = fileName;
}
public String getFilePath() {
return filePath;
}
public void setFilePath(String filePath) {
this.filePath = filePath;
}
public String getText() {
return text;
}
public void setText(String text) {
this.text = text;
}
/*
*USE:
*setStr(String)
*setFileName(String)
*/
public void writeFile() {
try {
PrintWriter pw = new PrintWriter(new FileOutputStream(fileName));
pw.println(str);
pw.close();
}
catch(Exception e) {
System.out.println(e);
}
}
/*
*USE:
*readFile(String)
*/
public String readFile(String fileName) {
String record = "";
String readFile = "";
int recCount = 0;
try {
FileReader fr = new FileReader(fileName);
BufferedReader br = new BufferedReader(fr);
record = new String();
while ((record = br.readLine()) != null) {
//recCount++;
//System.out.println(recCount + ": " + record);
readFile = readFile+"<br>"+record;
//readFile = readFile+record;
}
br.close();
fr.close();
}
catch (IOException e) {
System.out.println("Uh oh, got an IOException error!");
e.printStackTrace();
}
return readFile;
}
/*
*USE:
*copyFile(String,String)
*/
public void copyFile(String from,String to) {
File fromFile,toFile;
fromFile = new File(from);
toFile = new File(to);
FileInputStream fis = null;
FileOutputStream fos = null;
try {
toFile.createNewFile();
fis = new FileInputStream(fromFile);
fos = new FileOutputStream(toFile);
int bytesRead;
byte[] buf = new byte[4 * 1024];
while((bytesRead=fis.read(buf))!=-1) {
fos.write(buf,0,bytesRead);
}
fos.flush();
fos.close();
fis.close();
}
catch(Exception e) {
System.out.println(e);
}
}
/*
*USE:
*emptyDir()
*/
public void emptyDir(String directory) {
File path = new File(directory);
if(path.isDirectory()) {
File[] entries = path.listFiles( );
for(int i=0; i<entries.length; i++) {
entries[i].delete( );
}
}
}
/*
*USE:
*deleteDirectory()
*/
public void delDir(File directory) {
if(directory.isDirectory()) {
try {
File[] entries = directory.listFiles( );
for(int i=0; i<entries.length; i++) {
if(entries[i].isDirectory()) {
delDir(entries[i]);
}
else {
entries[i].delete( );
}
}
directory.delete();
}
catch(Exception e) {
System.out.println(e);
}
}
}
/*
*USE:
*setFilePath(String)
*setText(String)
*/
public static boolean fullTextSearch(){
try {
File file = new File(filePath);
long fileLength = 0;
fileLength = file.length();
FileInputStream fis = new FileInputStream(filePath);
byte[] buf = new byte[(int)fileLength];
int bytesRead = 0;
StringBuffer sbfFile = new StringBuffer();
StringBuffer sbfText = new StringBuffer();
String src = "";
String search = "";
while((bytesRead = fis.read(buf)) != -1){
for (int i = 0; i < buf.length; i++) {
sbfFile = sbfFile.append(buf[i]);
}
}
src = sbfFile.toString();
byte[] bufText = new byte[text.length()];
bufText = text.getBytes();
for (int j = 0; j < bufText.length; j++) {
sbfText = sbfText.append(bufText[j]);
}
search = sbfText.toString();
if(src.indexOf(search)>0){
return true;
}
else{
return false;
}
}
catch (Exception ex) {
return false;
}
}
}
[版主注释]
sonymusic 于 2003-1-14 11:13:21 加贴在 Java程序设计 ←返回版面
其实Java本身的流操作非常完美。前面几个方法并不需要。
而且你的类写的不合适。后面几个方法应该用静态方法。
延伸阅读
文章来源于领测软件测试网 https://www.ltesting.net/
