/*
* The MIT License
*
* Copyright (c) 2010, InfraDNA, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.util.io;
import hudson.util.FileVisitor;
import hudson.util.IOUtils;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.OutputStream;
/**
* {@link FileVisitor} that creates a zip archive.
*
* @see ArchiverFactory#ZIP
*/
final class ZipArchiver extends Archiver {
private final byte[] buf = new byte[8192];
private final ZipOutputStream zip;
ZipArchiver(OutputStream out) {
zip = new ZipOutputStream(out);
zip.setEncoding(System.getProperty("file.encoding"));
}
public void visit(final File f, final String _relativePath) throws IOException {
int mode = IOUtils.mode(f);
// On Windows, the elements of relativePath are separated by
// back-slashes (\), but Zip files need to have their path elements separated
// by forward-slashes (/)
String relativePath = _relativePath.replace('\\', '/');
if(f.isDirectory()) {
ZipEntry dirZipEntry = new ZipEntry(relativePath+'/');
// Setting this bit explicitly is needed by some unzipping applications (see JENKINS-3294).
dirZipEntry.setExternalAttributes(BITMASK_IS_DIRECTORY);
if (mode!=-1) dirZipEntry.setUnixMode(mode);
dirZipEntry.setTime(f.lastModified());
zip.putNextEntry(dirZipEntry);
zip.closeEntry();
} else {
ZipEntry fileZipEntry = new ZipEntry(relativePath);
if (mode!=-1) fileZipEntry.setUnixMode(mode);
fileZipEntry.setTime(f.lastModified());
zip.putNextEntry(fileZipEntry);
FileInputStream in = new FileInputStream(f);
int len;
while((len=in.read(buf))>0)
zip.write(buf,0,len);
in.close();
zip.closeEntry();
}
entriesWritten++;
}
public void close() throws IOException {
zip.close();
}
// Bitmask indicating directories in 'external attributes' of a ZIP archive entry.
private static final long BITMASK_IS_DIRECTORY = 1<<4;
}