Aqui est� uma classe que tenho h� muito tempo, por favor se
melhorarem ela (sei que faltam algumas coisas) enviem de volta.
[]'s
Claudio
/*-------------------------------------------------------------------------*/
import java.util.zip.*;
import java.util.*;
import java.io.*;
/**
* This is an utility class to work with zip files. <p>
*
* Basically has static methods for compress, uncompress. </p>
* <p>
*
* The default buffer size is 4096 bytes.</p> <p>
*
* </p>
*
*@date 20/10/2000
*/
public class ZipHandler {
/**
* The default buffer size is 4096 bytes.
*/
public final static int BUFFER_SIZE = 4096;
// private instances can instantiate this class.
private ZipHandler() { }
/**
* This will compress all files contained in directory passed in
<code>completePath</code>
* parameter and the output is a zipped file specified by
<code>destiny</code>
* parameter. <p>
*
* Example:</p> <br>
* <p>
*
* <code>File dir = new File ("/home/claudio/dir");</code><br>
* <code>File zippedFile = new File
("/home/claudio/myZippedFile.zip");</code>
* <br>
* <code>ZipHandler.compress (dir, zippedFile);</code></p>
*
*@param completePath a directory complete path. All filed inside
it will be
* compressed.
*@param destiny a complete file name path. The zipped file name.
*/
public static void compress(File completePath, File destiny) {
FileOutputStream fos = null;
ZipOutputStream zos = null;
try {
File[] f = completePath.listFiles();
fos = new FileOutputStream(destiny);
zos = new ZipOutputStream(fos);
for (int i = 0; i < f.length; i++) {
if (!f[i].isDirectory()) {
String fileName = f[i].getAbsolutePath();
FileInputStream fis = null;
BufferedInputStream bis = null;
try {
fis = new FileInputStream(fileName);
bis = new BufferedInputStream(fis);
ZipEntry ze = new ZipEntry(f[i].getName());
zos.putNextEntry(ze);
byte[] block = new byte[BUFFER_SIZE];
int bytes_read = 0;
while ((bytes_read = bis.read(block)) != -1) {
zos.write(block, 0, bytes_read);
}
} finally {
zos.closeEntry();
close(bis);
close(fis);
}
}
}
} catch (IOException e) {
e.printStackTrace();
} finally {
close(zos);
close(fos);
}
}
/**
* This will uncompress the file specified by <code>zipFileName</code>
* parameter and extract the files in tmp directory. <p>
*
* Example:</p> <br>
* <p>
*
* <code>File zippedFile = new File
("/home/claudio/myZippedFile.zip");</code>
* <br>
* <code>ZipHandler.uncompress (zippedFile);</code></p>
*
*@param zipFileName the zipped file.
*/
public static void uncompress(File zipFileName) {
String fileName = zipFileName.getName().substring(0,
zipFileName.getName().lastIndexOf('.'));
File outputDir = new File(fileName);
outputDir.mkdirs();
uncompress(zipFileName, outputDir);
}
/**
* This will uncompress the file specified by <code>zipFileName</code>
* parameter and extract the files in tmp directory. <p>
*
* Example:</p> <br>
* <p>
*
* <code>File zippedFile = new File
("c:\\any\\directory\\myZippedFile.zip");</code>
* <br>
* <code>ZipHandler.uncompress (zippedFile);</code></p>
*
*@param zipFileName the zipped file.
*/
public static void uncompress(File zipFileName, File outputDir) {
ZipFile zf = null;
try {
zf = new ZipFile(zipFileName);
Enumeration entries = zf.entries();
while (entries.hasMoreElements()) {
ZipEntry ze = (ZipEntry) entries.nextElement();
// this will get ONLY the file name, without the path.
String entryName = new File(ze.getName()).getName();
InputStream in = null;
BufferedInputStream bis = null;
FileOutputStream fout = null;
try {
in = zf.getInputStream(ze);
bis = new BufferedInputStream(in);
fout = new FileOutputStream(new File(outputDir,
entryName));
int bytes_read = 0;
byte[] block = new byte[BUFFER_SIZE];
while ((bytes_read = bis.read(block)) != -1) {
fout.write(block, 0, bytes_read);
}
} finally {
close(bis);
close(in);
close(fout);
}
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
zf.close();
} catch (IOException ioe) {
ioe.printStackTrace();
}
}
}
private static void close(InputStream in) {
try {
in.close();
} catch (IOException ioe) {
Log.println("IOException while closing a InputStream >> " +
ioe);
}
}
private static void close(OutputStream out) {
try {
out.close();
} catch (IOException ioe) {
Log.println("IOException while closing a OutputStream >> " +
ioe);
}
}
}
Vladimir wrote:
> Onde encontro essas classes?
>
> ----- Original Message -----
> *From:* Rodrigo Campos <mailto:[EMAIL PROTECTED]>
> *To:* [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
> *Sent:* Monday, June 10, 2002 7:57 AM
> *Subject:* RE: [java-list] Fazer Arquivo Zip.
>
> Tiago
>
> Com as classes :
>
> ZipOutputStream
> ZipEntry
> FileOutputStream
>
> voce consegue gerar um zip em java, no javadoc dessas classes
> existe exemplos e � bem simples de usar.
>
>
> -----Original Message-----
> *From:* Thiago Lutti [mailto:[EMAIL PROTECTED]]
> *Sent:* Friday, June 07, 2002 10:41 AM
> *To:* [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
> *Subject:* [java-list] Fazer Arquivo Zip.
>
> Ola, estou tentando compactar uma pasta inteira, alguem sabe
> como fazer isso ??
>
> Obrigado,
>
> Thiago Ramalho Lutti
> PadTec - Optical Components and Systems
> Campinas / SP
> e-mail : [EMAIL PROTECTED]
> <mailto:[EMAIL PROTECTED]>http://www.padtec.com.br
> <http://www.padtec.com.br/>
>
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