/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
* [name of copyright owner]"
*
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*
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
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* recipient has the option to distribute your version of this file under
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* and therefore, elected the GPL Version 2 license, then the option applies
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*/
package com.sun.enterprise.diagnostics.util;
import com.sun.logging.LogDomains;
import java.nio.channels.*;
import java.io.*;
import java.util.*;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.zip.*;
import java.util.jar.*;
/**
* Collection of helper methods to manipulate files.
*/
public class FileUtils {
static final int BUFFER = 2048;
private static Logger logger =
LogDomains.getLogger(LogDomains.ADMIN_LOGGER);
/**
* Copy source file to destination file.
*
* @param srcFile Absolute path of the source file to be copied
* @param destFile Absolute path of the destination file
*
*/
public static void copyFile(String srcFile, String destFile)
throws IOException {
FileInputStream istream = new FileInputStream(srcFile);
File dest = new File(destFile);
copyFile(istream, dest);
}
/**
* Copy contents of the specified InputStream to destination
* file.
*
* @param istream InputStream from which to read the source file
* @param destFile Absolute path of the destination file
*
*/
public static void copyFile(InputStream istream, String destFile)
throws IOException {
File dest = new File(destFile);
copyFile(istream, dest);
}
/**
* Copy contents of the specified InputStream to destination
* file.
*
* @param istream FileInputStream from which to read the source file
* @param destFile Absolute path of the destination file
*
*/
public static void copyFile(FileInputStream istream, String destFile)
throws IOException {
File dest = new File(destFile);
copyFile(istream, dest);
}
/**
* Copy contents of the specified InputStream to desintation
* file.
*
* @param istream InputStream from which to read the source file
* @param dest Destination File to copy the source file to
*
*/
public static void copyFile(InputStream istream, File dest)
throws IOException {
OutputStream ostream = new FileOutputStream(dest);
dest.createNewFile();
copyFileToStream(istream, ostream);
ostream.close();
}
/**
* Copy contents of the specified InputStream to desintation
* file.
*
* @param istream FileInputStream from which to read the source file
* @param dest Destination File to copy the source file to
*
*/
public static void copyFile(FileInputStream istream, File dest)
throws IOException {
if (!dest.exists()) {
dest.getParentFile().mkdirs();
}
FileOutputStream ostream = new FileOutputStream(dest);
dest.createNewFile();
copyFileToStream(istream, ostream);
ostream.close();
}
/**
* Copy file from an inputstream to a outputstream
*
* @param istream Source input stream
* @param ostream Destination output stream
*
*/
public static void copyFileToStream(InputStream istream, OutputStream ostream)
throws IOException {
while(true){
int nextByte = istream.read();
if (nextByte==-1)
break;
ostream.write(nextByte);
}
istream.close();
}
/**
* Copy file from an file inputstream to a file outputstream
*
* @param istream Source input stream
* @param ostream Destination output stream
*
*/
public static void copyFileToStream(FileInputStream istream, FileOutputStream ostream)
throws IOException {
FileChannel srcChannel = istream.getChannel();
FileChannel destChannel = ostream.getChannel();
srcChannel.transferTo(0, srcChannel.size(), destChannel);
srcChannel.close();
destChannel.close();
istream.close();
}
/**
* Copy file from the specified inputstream to the specified Writer
*
* @param istream Source input stream
* @param writer Writer to which the file will be written
*
*/
public static void copyFileToWriter(InputStream istream, Writer writer)
throws IOException {
while(true){
int nextByte = istream.read();
if (nextByte==-1)
break;
writer.write(nextByte);
}
istream.close();
}
/**
* Copy lines containing search pattern from source file to destination file
*
* @param srcFileName Source filename
* @param dstFileName Destination filename
* @param searchPattern Search pattern
*
*/
public static void copySearchPatternToFile(String srcFileName,
String dstFileName, String searchPattern)
throws FileNotFoundException, IOException {
BufferedReader inFile = new BufferedReader(new FileReader(srcFileName));
PrintWriter out = new PrintWriter
(new BufferedWriter(new FileWriter(dstFileName)));
String fileLine;
while((fileLine = inFile.readLine()) != null)
if (fileLine.matches("(?i).*"+searchPattern+".*"))
out.println(fileLine);
if (inFile != null)
inFile.close();
if (out != null)
out.close();
}
/**
* Copy files from the specified source directory to destination directory
*
* @param srcDir Absolute path of the source directory to be copied
* @param dstDir Absolute path of the destination directory and dstDir
* should exist
*
*/
public static void copyDir(String srcDir, String dstDir)
throws IOException {
copyDir(srcDir, dstDir, null, false);
}
/**
* Copy files from the specified source directory to destination directory
*
* @param srcDir Absolute path of the source directory to be copied
* @param dstDir Absolute path of the destination directory and dstDir
* should exist
* @param subDir Boolean value specifies whether to copy files
* from subdirectory
*
*/
public static void copyDir(String srcDir, String dstDir, boolean subDir)
throws IOException {
copyDir(srcDir, dstDir, null, subDir);
}
/**
* Copy files from the specified source directory to destination directory
*
* @param srcDir Absolute path of the source directory to be copied
* @param dstDir Absolute path of the destination directory and dstDir should exist
* @param subDir Boolean value specifies whether to copy files from subdirectory
*
*/
public static void copyDir(String srcDir, String dstDir,
FilenameFilter filter, boolean subDir)
throws IOException {
int numFiles = 0;
String [] strFiles = null;
if (filter == null)
strFiles = (new File(srcDir)).list();
else
strFiles = (new File(srcDir)).list(filter);
if (strFiles != null)
numFiles = strFiles.length;
for (int i=0; i<numFiles; i++) {
String srcFile = srcDir+File.separator+strFiles[i];
String dstFile = dstDir+File.separator+strFiles[i];
if ((new File(srcFile)).isFile()) {
copyFile(srcFile,dstFile);
} else if(subDir) {
File dstSubDir = new File(dstFile);
dstSubDir.mkdirs();
copyDir(srcFile,dstFile,filter,subDir);
}
}
}
/**
* Extracts the jar files in the given directory.<BR>
* Note: will not look recursively (in subdirs) for .jar files.
* @param dir Directory where .jar files has to be searched.
* @param dest Destination directory where files will be extracted.
*/
public static void extractJarFiles(String dir, String dest){
try{
File aJarDir = new File(dir);
File files[] = aJarDir.listFiles();
FilenameFilter filter = getFilenameFilter(".jar");
for(File file : files)
{
//if(file.getName().toLowerCase().endsWith(".jar")){
if(filter.accept(aJarDir, file.getName())){
String fileName = file.getName();
//String dirName = fileName.substring(0, fileName.toLowerCase().indexOf(".jar"));
//File outputDir = new File(dest+ File.separator + dirName);
File outputDir = new File(dest);
outputDir.mkdirs();
unjar(file,"",outputDir.getAbsolutePath());
file.delete();
}
}
}
catch(Exception e){
logger.log(Level.WARNING, e.getMessage(), e.fillInStackTrace());
}
}
public static FilenameFilter getFilenameFilter(final String extension){
FilenameFilter filter = new FilenameFilter() {
public boolean accept(File dir, String name) {
boolean result = false;
if(name !=null && extension !=null){
result = name.toLowerCase().endsWith(extension.toLowerCase());
}
return result;
}
};
return filter;
}
/**
* Jar the contents of the specified directory including all
* subdirectories.
*
* @param jarFile Ouput JAR file
* @param dir Absoilute path of the directory to be JAR'd
*
*/
public static void jarDirectory(File jarFile, String dir) {
try{
BufferedInputStream origin = null;
File aJarDir = new File(dir);
File parent = jarFile.getParentFile();
if(!parent.exists())
parent.mkdirs();
FileOutputStream dest = new FileOutputStream(jarFile);
JarOutputStream out = new JarOutputStream(new BufferedOutputStream(dest));
out.setMethod(JarOutputStream.DEFLATED);
byte data[] = new byte[BUFFER];
List files = FileUtils.getFileListing( aJarDir, true );
Iterator filesIter = files.iterator();
int length = dir.length() ;
//System.out.println(" Directory : " + dir + " : Length : " + length);
while( filesIter.hasNext() ){
File f = (File)filesIter.next();
String path = f.getPath();
String relativePath = path.substring(length);
if(relativePath.startsWith(""+File.separator))
relativePath = path.substring(length +1);
if (f.isDirectory())
relativePath = relativePath + "/";
//System.out.println(" Relative Path :" + relativePath);
JarEntry entry = new JarEntry(relativePath);
out.putNextEntry(entry);
if (!f.isDirectory()){
FileInputStream fi = new FileInputStream(path);
origin = new BufferedInputStream(fi, BUFFER);
int count;
while((count = origin.read(data, 0, BUFFER)) != -1) {
out.write(data, 0, count);
}
}
if(origin!=null)
try{origin.close();}catch(Exception e){e.printStackTrace();}
}
if(out!=null)
try{out.close();}catch(Exception e){e.printStackTrace();}
} catch (FileNotFoundException fnfEx){
fnfEx.printStackTrace();
} catch (IOException ioEx){
ioEx.printStackTrace();
}
}
/**
* Jar the contents of the specified directory including all
* subdirectories.
*
* @param jarFile Ouput JAR file
* @param dir Absoilute path of the directory to be JAR'd
*
*/
public static void zipDirectory(File jarFile, String dir) {
try{
BufferedInputStream origin = null;
File aJarDir = new File(dir);
FileOutputStream dest = new FileOutputStream(jarFile);
ZipOutputStream out = new ZipOutputStream(
new BufferedOutputStream(dest));
out.setMethod(ZipOutputStream.DEFLATED);
byte data[] = new byte[BUFFER];
List files = FileUtils.getFileListing( aJarDir, true );
Iterator filesIter = files.iterator();
while( filesIter.hasNext() ){
File f = (File)filesIter.next();
String path = f.getPath();
if (f.isDirectory())
path = path + "/";
ZipEntry entry = new ZipEntry(path);
out.putNextEntry(entry);
if (!f.isDirectory()){
FileInputStream fi = new FileInputStream(path);
origin = new BufferedInputStream(fi, BUFFER);
int count;
while((count = origin.read(data, 0, BUFFER)) != -1) {
out.write(data, 0, count);
}
}
if(origin!=null)
try{origin.close();}catch(Exception e){e.printStackTrace();}
}
if(out!=null)
try{out.close();}catch(Exception e){e.printStackTrace();}
} catch (FileNotFoundException fnfEx){
fnfEx.printStackTrace();
} catch (IOException ioEx){
ioEx.printStackTrace();
}
}
public static void unjar(File jarFile, String entryPath, String destDir) {
final int BUFFER = 2048;
try {
BufferedOutputStream dest;
BufferedInputStream is;
byte data[] = new byte[BUFFER];
if (entryPath==null)
entryPath="";
JarFile jarfile = new JarFile(jarFile);
Enumeration e = jarfile.entries();
while(e.hasMoreElements()) { //going through each entries one by one
JarEntry entry = (JarEntry) e.nextElement();
is = new BufferedInputStream(jarfile.getInputStream(entry));
String path = entry.getName();
if (path.startsWith(entryPath)) {
int start = path.lastIndexOf("/");
String basis = null;
if(start != -1) {
basis = path.substring(0, start);
}
String filename = path.substring(start + 1);
File tmpPath = new File(destDir);
if(basis != null && basis.length() != 0){
tmpPath = new File(tmpPath, basis);
tmpPath.mkdirs();
}
if(filename != null && filename.length() != 0){
File destfile = new File(tmpPath, filename);
FileOutputStream fos = new FileOutputStream(destfile);
dest = new BufferedOutputStream(fos, BUFFER);
int count;
while ((count = is.read(data, 0, BUFFER))!= -1) {
dest.write(data, 0, count);
}
dest.flush();
dest.close();
is.close();
}
}
}
} catch(Exception e) {
e.printStackTrace();
}
}
/**
* Recursively walk a directory tree and return a List of all
* Files found; the List is sorted using File.compareTo.
*
* @param aStartingDir is a valid directory, which can be read.
*/
static public List getFileListing( File aStartingDir , boolean recurse) throws FileNotFoundException{
validateDirectory(aStartingDir);
File[] filesAndDirs = aStartingDir.listFiles();
List filesDirs = Arrays.asList(filesAndDirs);
if (!recurse) {
Collections.sort(filesDirs);
return filesDirs;
}
Iterator filesIter = filesDirs.iterator();
List result = new ArrayList();
File file = null;
while ( filesIter.hasNext() ) {
file = (File)filesIter.next();
result.add(file); //always add, even if directory
if (recurse && !file.isFile()) {
//must be a directory
//recursive call!
List deeperList = getFileListing(file, true);
result.addAll(deeperList);
}
}
Collections.sort(result);
return result;
}
/**
* Recursively walk a directory tree and return a List of all
* Files matching the name pattern; the List is sorted using File.compareTo.
*
* @param aStartingDir is a valid directory, which can be read.
* @boolean recurse
* @param nameFilter pattern for name
* @param comparator sorts files
*/
static public List getFileListing(File aStartingDir, boolean recurse,
FilenameFilter nameFilter, Comparator comparator)
throws FileNotFoundException {
validateDirectory(aStartingDir);
File[] filesAndDirs = aStartingDir.listFiles(nameFilter);
List filesDirs = Arrays.asList(filesAndDirs);
if (!recurse) {
Collections.sort(filesDirs, comparator);
return filesDirs;
}
Iterator filesIter = filesDirs.iterator();
List result = new ArrayList();
File file = null;
while ( filesIter.hasNext() ) {
file = (File)filesIter.next();
result.add(file); //always add, even if directory
if (recurse && !file.isFile()) {
//must be a directory
//recursive call!
List deeperList = getFileListing(file,true);
result.addAll(deeperList);
}
}
Collections.sort(result, comparator);
return result;
}
/**
* Directory is valid if it exists, does not represent a file, and can be read.
*/
static private void validateDirectory(File aDirectory) throws FileNotFoundException {
if (aDirectory == null) {
throw new IllegalArgumentException("Directory should not be null.");
}
if (!aDirectory.exists()) {
throw new FileNotFoundException("Directory does not exist: " + aDirectory);
}
if (!aDirectory.isDirectory()) {
throw new IllegalArgumentException("Is not a directory: " + aDirectory);
}
if (!aDirectory.canRead()) {
throw new IllegalArgumentException("Directory cannot be read: " + aDirectory);
}
}
/**
* Get the name of the file or directory from an absolute path
* @param absPath Absolute path
* @return Name of the directory or file
*/
public static String getFileName(String absPath) {
File file = new File(absPath);
return file.getName();
}
public static void deleteFile(String fileName){
deleteFile(new File(fileName));
}
public static void deleteFile(File file){
if (file != null) {
if(file.isDirectory()){
File[] files = file.listFiles();
int size = files.length;
for(int i =0; i < size; i++){
deleteFile(files[i]);
}
}
file.delete();
}
}
public static void moveFile(String sourceFile, String destFile)
throws IOException {
copyFile(sourceFile, destFile);
new File(sourceFile).delete();
}
}
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