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package org.eclipse.cdt.p2.internal.repo.artifact;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
public class ZipExtractor extends Thread {
private final InputStream in;
private final File installDir;
private final FileListWriter fileListWriter;
public ZipExtractor(InputStream in, File installDir, FileListWriter fileListWriter) {
this.in = in;
this.installDir = installDir;
this.fileListWriter = fileListWriter;
}
@Override
public void run() {
try {
ZipInputStream zipIn = new ZipInputStream(in);
for (ZipEntry zipEntry = zipIn.getNextEntry(); zipEntry != null; zipEntry = zipIn.getNextEntry()) {
File outFile = new File(installDir, zipEntry.getName());
if (zipEntry.isDirectory()) {
outFile.mkdirs();
} else {
if (outFile.exists())
outFile.delete();
else
outFile.getParentFile().mkdirs();
FileOutputStream outStream = new FileOutputStream(outFile);
copyStream(zipIn, false, outStream, true);
long lastModified = zipEntry.getTime();
outFile.setLastModified(lastModified);
fileListWriter.addFile(new InstalledFile(outFile, lastModified));
}
zipIn.closeEntry();
}
zipIn.close();
fileListWriter.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private static int copyStream(InputStream in, boolean closeIn, OutputStream out, boolean closeOut) throws IOException {
try {
int written = 0;
byte[] buffer = new byte[1024];
int len;
while ((len = in.read(buffer)) != -1) {
out.write(buffer, 0, len);
written += len;
}
return written;
} finally {
try {
if (closeIn) {
in.close();
}
} finally {
if (closeOut) {
out.close();
}
}
}
}
}
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