package common.util;
import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.util.ArrayList;import java.util.Enumeration;import java.util.List;import java.util.StringTokenizer;import java.util.zip.ZipEntry;import java.util.zip.ZipFile;
/** * File Common Class * * @copyright delicioussmoke * @author smoke * @date 2006/1/1 * @version 1.0.0 * @since */public class FileUtil {
/** * File exist check * * @param sFileName File Name * @return boolean true - exist<br> * false - not exist */ public static boolean checkExist(String sFileName) { boolean result = false; try { File f = new File(sFileName); //if (f.exists() && f.isFile() && f.canRead()) { if (f.exists() && f.isFile()) { result = true; } else { result = false; } } catch (Exception e) { result = false; } /* return */ return result; } /** * Get File Size * * @param sFileName File Name * @return long File's size(byte) when File not exist return -1 */ public static long getSize(String sFileName) { long lSize = 0; try { File f = new File(sFileName); //exist if (f.exists()) { if (f.isFile() && f.canRead()) { lSize = f.length(); } else { lSize = -1; } //not exist } else { lSize = 0; } } catch (Exception e) { lSize = -1; } /* return */ return lSize; } /** * File Delete * * @param sFileName File Nmae * @return boolean true - Delete Success<br> * false - Delete Fail */ public static boolean deleteFromName(String sFileName) { boolean bReturn = true; try { File oFile = new File(sFileName); //exist if (oFile.exists()) { //Delete File boolean bResult = oFile.delete(); //Delete Fail if (bResult == false) { bReturn = false; } //not exist } else { } } catch (Exception e) { bReturn = false; } //return return bReturn; } /** * File Unzip * * @param sToPath Unzip Directory path * @param sZipFile Unzip File Name */ public static void releaseZip(String sToPath, String sZipFile) throws Exception { if (null == sToPath ||("").equals(sToPath.trim())) { File objZipFile = new File(sZipFile); sToPath = objZipFile.getParent(); } ZipFile zfile = new ZipFile(sZipFile); Enumeration zList = zfile.entries(); ZipEntry ze = null; byte[] buf = new byte[1024]; while (zList.hasMoreElements()) {
ze = (ZipEntry) zList.nextElement(); if (ze.isDirectory()) { continue; }
OutputStream os = new BufferedOutputStream( new FileOutputStream( getRealFileName(sToPath, ze.getName()))); InputStream is = new BufferedInputStream(zfile.getInputStream(ze)); int readLen = 0; while ((readLen = is.read(buf, 0, 1024)) != -1) { os.write(buf, 0, readLen); } is.close(); os.close(); } zfile.close(); } /** * getRealFileName * * @param baseDir Root Directory * @param absFileName absolute Directory File Name * @return java.io.File Return file */ private static File getRealFileName(String baseDir, String absFileName) throws Exception { File ret = null;
List dirs = new ArrayList(); StringTokenizer st = new StringTokenizer(absFileName, System.getProperty("file.separator")); while (st.hasMoreTokens()) { dirs.add(st.nextToken()); }
ret = new File(baseDir); if (dirs.size() > 1) { for (int i = 0; i < dirs.size() - 1; i++) { ret = new File(ret, (String) dirs.get(i)); } } if (!ret.exists()) { ret.mkdirs(); } ret = new File(ret, (String) dirs.get(dirs.size() - 1)); return ret; }
/** * copyFile * * @param srcFile Source File * @param targetFile Target file */ static public void copyFile(String srcFile , String targetFile) throws IOException { FileInputStream reader = new FileInputStream(srcFile); FileOutputStream writer = new FileOutputStream(targetFile);
byte[] buffer = new byte [4096]; int len;
try { reader = new FileInputStream(srcFile); writer = new FileOutputStream(targetFile); while((len = reader.read(buffer)) > 0) { writer.write(buffer , 0 , len); } } catch(IOException e) { throw e; } finally { if (writer != null)writer.close(); if (reader != null)reader.close(); } }
/** * renameFile * * @param srcFile Source File * @param targetFile Target file */ static public void renameFile(String srcFile , String targetFile) throws IOException { try { copyFile(srcFile,targetFile); deleteFromName(srcFile); } catch(IOException e){ throw e; } }
public static void write(String tivoliMsg,String logFileName) { try{ byte[] bMsg = tivoliMsg.getBytes(); FileOutputStream fOut = new FileOutputStream(logFileName, true); fOut.write(bMsg); fOut.close(); } catch(IOException e){ //throw the exception }
} /** * This method is used to log the messages with timestamp,error code and the method details * @param errorCd String * @param className String * @param methodName String * @param msg String */ public static void writeLog(String logFile, String batchId, String exceptionInfo) { DateFormat df = DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT, Locale.JAPANESE); Object args[] = {df.format(new Date()), batchId, exceptionInfo}; String fmtMsg = MessageFormat.format("{0} : {1} : {2}", args); try { File logfile = new File(logFile); if(!logfile.exists()) { logfile.createNewFile(); } FileWriter fw = new FileWriter(logFile, true); fw.write(fmtMsg); fw.write(System.getProperty("line.separator"));
fw.flush(); fw.close();
} catch(Exception e) { } }}
