package util;
import util.sup.Encoding;
import util.sup.HTMLDecoder;
import util.sup.SinoDetect;
import java.io.*;
import java.text.DecimalFormat;
//import com.sun.media.jfxmedia.logging.Logger;
/**
* 文件常用类的整理，包括几大常用功能:<br>
* <ol>
* <li>文件以及文件夹的操作（增、删、改、复制等）</li>
* <li>文件读写部分</li>
* <li>流，字节的读取</li>
* <li>其他</li>
* <li></li>
* </ol>
*
* @date 2011-4-20
* @author MipatchTeam#hqj,MipatchTeam#yhh,MipatchTeam#chenc
*
*/
public class FileUtil {
// --------------------- 1. --------------------------------
/**
* 新建目录
*
* @param folderPath
* String 如 c:/fqf
* @return boolean
*/
public static void newFolder(String folderPath) {
String filePath = folderPath;
filePath = filePath.toString();
File myFilePath = new File(filePath);
if (!myFilePath.exists()) {
myFilePath.mkdir();
}
}
/**
* 删除文件
*
* @param filePathAndName
* String 文件路径及名称 如c:/fqf.txt
* @param
*
* @return boolean
*/
public static void delFile(String filePathAndName) {
String filePath = filePathAndName;
filePath = filePath.toString();
File myDelFile = new File(filePath);
myDelFile.delete();
}
/**
* 删除文件夹
*
* @param
*
*
* @return boolean
*/
public static void delFolder(String folderPath) {
delAllFile(folderPath); // 删除完里面所有内容
String filePath = folderPath;
filePath = filePath.toString();
File myFilePath = new File(filePath);
myFilePath.delete(); // 删除空文件夹
}
/**
* 删除文件夹里面的所有文件
*
* @param path
* String 文件夹路径 如 c:/fqf
*/
public static void delAllFile(String path) {
File file = new File(path);
if (!file.exists()) {
return;
}
if (!file.isDirectory()) {
return;
}
String[] tempList = file.list();
File temp = null;
for (int i = 0; i < tempList.length; i++) {
if (path.endsWith(File.separator)) {
temp = new File(path + tempList[i]);
} else {
temp = new File(path + File.separator + tempList[i]);
}
if (temp.isFile()) {
temp.delete();
}
if (temp.isDirectory()) {
delAllFile(path + "/" + tempList[i]);// 先删除文件夹里面的文件
delFolder(path + "/" + tempList[i]);// 再删除空文件夹
}
}
}
/**
* 复制单个文件
*
* @param oldPath
* String 原文件路径 如：c:/fqf.txt
* @param newPath
* String 复制后路径 如：f:/fqf.txt
* @return boolean
* @throws Exception
*/
public static void copyFile(String oldPath, String newPath) throws Exception {
int bytesum = 0;
int byteread = 0;
File oldfile = new File(oldPath);
if (oldfile.exists()) { // 文件存在时
InputStream inStream = new FileInputStream(oldPath); // 读入原文件
FileOutputStream fs = new FileOutputStream(newPath);
byte[] buffer = new byte[1444];
while ((byteread = inStream.read(buffer)) != -1) {
bytesum += byteread; // 字节数 文件大小
// System.out.println(bytesum);
fs.write(buffer, 0, byteread);
}
inStream.close();
fs.close();
}
}
/**
* 复制整个文件夹内容
*
* @param oldPath
* String 原文件路径 如：c:/fqf
* @param newPath
* String 复制后路径 如：f:/fqf/ff
* @return boolean
* @throws Exception
*/
public static void copyFolder(String oldPath, String newPath) throws Exception {
(new File(newPath)).mkdirs(); // 如果文件夹不存在 则建立新文件夹
File a = new File(oldPath);
String[] file = a.list();
File temp = null;
for (int i = 0; i < file.length; i++) {
if (oldPath.endsWith(File.separator)) {
temp = new File(oldPath + file[i]);
} else {
temp = new File(oldPath + File.separator + file[i]);
}
if (temp.isFile()) {
FileInputStream input = new FileInputStream(temp);
FileOutputStream output = new FileOutputStream(newPath
+ "/" + (temp.getName()).toString());
byte[] b = new byte[1024 * 5];
int len;
while ((len = input.read(b)) != -1) {
output.write(b, 0, len);
}
output.flush();
output.close();
input.close();
}
if (temp.isDirectory()) {// 如果是子文件夹
copyFolder(oldPath + "/" + file[i], newPath + "/" + file[i]);
}
}
}
/**
* 移动文件到指定目录
*
* @param oldPath
* String 如：c:/fqf.txt
* @param newPath
* String 如：d:/fqf.txt
* @throws Exception
*/
public static void moveFile(String oldPath, String newPath) throws Exception {
copyFile(oldPath, newPath);
delFile(oldPath);
}
/**
* 移动文件夹到指定目录
*
* @param oldPath
* String 如：c:/fqf.txt
* @param newPath
* String 如：d:/fqf.txt
* @throws Exception
*/
public static void moveFolder(String oldPath, String newPath) throws Exception {
copyFolder(oldPath, newPath);
delFolder(oldPath);
}
// -----------------------------------------------------
// --------------------- 2. --------------------------------
/**
* 数据流直接写入文件
*
* @param is
* @param filePath String 文件路径及名称 如c:/fqf.txt
* @throws Exception
* @throws Exception
*/
public static void writeFile(InputStream is, String filePath) throws Exception {
FileOutputStream fs = new FileOutputStream(filePath);
byte[] buf = new byte[1024];
int len = is.read(buf);
while (len != -1) {
fs.write(buf, 0, len);
len = is.read(buf);
}
fs.close();
}
/**
* 文字写入文件 以 <b>iso-8859-1</b> 为编码格式
*
* @param src
* @param filePath String 文件路径及名称 如c:/fqf.txt
* @throws Exception
*/
public static void writeFile(String src, String filePath) throws Exception {
FileOutputStream fs = new FileOutputStream(filePath);
fs.write(src.getBytes("iso-8859-1"));// 如果不指定编码，在中英文平台上运行时可能会出现意想不到的结果
fs.close();
}
/**
* 文件写入文件并制定编码方式
*
* @param src
* @param charset 指定编码格式
* @param filePath String 文件路径及名称 如c:/fqf.txt
*/
public static void writeFile(String src, String filePath, String charset) throws Exception {
FileOutputStream fs = new FileOutputStream(filePath);
fs.write(src.getBytes(charset));
fs.close();
}
/**
* 文字附加在原内容后写入文件 以 <b>iso-8859-1</b> 为编码格式
* @param src
* @param filePath String 文件路径及名称 如c:/fqf.txt
*/
public static void writeFileAppend(String src, String filePath) throws Exception {
FileOutputStream fs = new FileOutputStream(filePath,true);
fs.write(src.getBytes("iso-8859-1"));//如果不指定编码，在中英文平台上运行时可能会出现意想不到的结果
fs.close();
}
/**
* 文字附加在原内容后写入文件 以 charset 为编码格式
* @param src
* @param filePath String 文件路径及名称 如c:/fqf.txt
*/
public static void writeFileAppend(String src, String filePath, String charset) throws Exception {
FileOutputStream fs = new FileOutputStream(filePath,true);
fs.write(src.getBytes(charset));//如果不指定编码，在中英文平台上运行时可能会出现意想不到的结果
fs.close();
}
/**
* 读取文件 以 <b>iso-8859-1</b> 为编码格式
*
* @param filePath String 文件路径及名称 如c:/fqf.txt
* @return
*/
public static String readFile(String filePath) {
FileInputStream fs;
String content = "";
try {
fs = new FileInputStream(filePath);
byte data[] = new byte[1024];
int len = fs.read(data);
while (len != -1) {
content = content + new String(data, 0, len, "iso-8859-1");
len = fs.read(data);
}
fs.close();
} catch (FileNotFoundException e) {
} catch (IOException e) {
}
return content;
}
/**
* 以指定编码方式读取文件
*
* @param filePath String 文件路径及名称 如c:/fqf.txt
* @param charset
* @return
*/
public static String readFile(String filePath, String charset) {
FileInputStream fs;
String content = "";
try {
fs = new FileInputStream(filePath);
byte data[] = new byte[1024];
int len = fs.read(data);
while (len != -1) {
content = content + new String(data, 0, len, charset);
len = fs.read(data);
}
fs.close();
} catch (FileNotFoundException e) {
} catch (IOException e) {
}
return content;
}
// -----------------------------------------------------
// --------------------- 3. --------------------------------
/**
* 读取流内容
*
* @param is
* @return
* @throws java.io.IOException
*/
public static String readStream(InputStream is) {
String cs = null;
try {
ByteArrayOutputStream buffer = null;
BufferedInputStream in = new BufferedInputStream(is);
buffer = new ByteArrayOutputStream();
byte[] buff = new byte[1024];
int len = -1;
// 从socket连接中获取输出流，主要为请求的响应报头和HTML编码
while ((len = in.read(buff)) != -1) {
buffer.write(buff, 0, len);
}// 由于使用BufferOutputStream会出现一个连接被分割在两行的情况，因此只能利用字节流将所有源代码取得，而后换成String
HTMLDecoder htmd = new HTMLDecoder();
SinoDetect sd = new SinoDetect();
if (buffer != null) {
try {
int i = sd.detectEncoding(buffer.toByteArray());
//cs = buffer.toString(Encoding.htmlname[i]);
//String encode = Encoding.htmlname[i];
//System.out.println(Encoding.htmlname[i]);
if( Encoding.htmlname[i].equals("GB2312") )
{
cs = buffer.toString("GBK");
}else{
cs = buffer.toString(Encoding.htmlname[i]);
}
} catch (RuntimeException e) {
cs = buffer.toString("GBK");
}
// try{
// cs=buffer.toString(Encoding.htmlname[i]);
// }catch(Exception e){
// cs=buffer.toString("GBK");
// }
cs = cs.replace(" ", "");
cs = htmd.ASCIIToGB(cs);
}
is.close();
} catch (IOException e) {
}
return cs;
}
/**
* 读取字节内容
*
* @param
* @return
* @throws java.io.IOException
*/
public static String readBytes(byte[] buff) throws Exception {
String cs = null;
try {
HTMLDecoder htmd = new HTMLDecoder();
SinoDetect sd = new SinoDetect();
if (buff != null) {
if (sd.detectEncoding(buff) == 1) {
cs = new String(buff, "GBK");
cs = cs.replace(" ", " ");
cs = htmd.ASCIIToGB(cs);
} else if (sd.detectEncoding(buff) == 2) {
cs = new String(buff, "HZ");
cs = cs.replace(" ", " ");
cs = htmd.ASCIIToGB(cs);
} else if (sd.detectEncoding(buff) == 3) {
cs = new String(buff, "BIG5");
cs = cs.replace(" ", " ");
cs = htmd.ASCIIToGB(cs);
} else if (sd.detectEncoding(buff) == 4) {
cs = new String(buff, "EUC_TW");
cs = cs.replace(" ", " ");
cs = htmd.ASCIIToGB(cs);
} else if (sd.detectEncoding(buff) == 5) {
cs = new String(buff, "ISO_2022_CN");
cs = cs.replace(" ", " ");
cs = htmd.ASCIIToGB(cs);
} else if (sd.detectEncoding(buff) == 6) {
cs = new String(buff, "UTF-8");
cs = cs.replace(" ", " ");
cs = htmd.ASCIIToGB(cs);
} else if (sd.detectEncoding(buff) == 7) {
cs = new String(buff, "Unicode");
cs = cs.replace(" ", " ");
cs = htmd.ASCIIToGB(cs);
} else
cs = new String(buff);
// cs=new String(buff,"GBK");
}
} catch (IOException e) {
throw e;
}
return cs;
}
/**
* 读取流内容，指定编码方式
*
* @param is
* @param charset
* @return
*/
public static String readStream(InputStream is, String charset) {
StringBuilder sb = new StringBuilder();
// String content="";
try {
byte data[] = new byte[1024];
for (int n; (n = is.read(data)) != -1;) {
sb.append(new String(data, 0, n, charset));
}
is.close();
} catch (IOException e) {
}
return sb.toString();
// return content;
}
// -----------------------------------------------------
// --------------------- 4. --------------------------------
/**
* 获取文件大小
* @param fileName
* @return 单位为：kb
* @throws Exception
*/
public static double getFileSize(String fileName) {
double size = 0;
DecimalFormat df = new DecimalFormat("###.0");
File file = new File(fileName);
double length = file.length();
if (file.exists()) {
size = Double.valueOf(df.format(length / 1024));
}
return size;
}
// -----------------------------------------------------
}
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