private void populateLength() throws IOException {
length = -1;
while (stream.available() > 0) {
stream.skip(1);
length++;
}
resetStream();
}
/**
* Constructs a new ZipHandle corresponding to the given entry of the specified Zip file.
*
* @throws HandleException if the given file is not a Zip file.
*/
public ZipHandle(String file, ZipEntry entry) throws IOException {
super();
this.file = file;
in = openStream(file);
zip = new ZipInputStream(in);
entryName = entry.getName();
entryCount = 1;
seekToEntry();
resetStream();
length = entry.getSize();
if (length <= 0) {
populateLength();
}
}
public ZipHandle(String file) throws IOException {
super();
this.file = file;
in = openStream(file);
zip = new ZipInputStream(in);
entryName = null;
entryCount = 0;
// strip off .zip extension and directory prefix
String innerFile = file.substring(0, file.length() - 4);
int slash = innerFile.lastIndexOf(File.separator);
if (slash < 0) slash = innerFile.lastIndexOf("/");
if (slash >= 0) innerFile = innerFile.substring(slash + 1);
// look for Zip entry with same prefix as the Zip file itself
boolean matchFound = false;
length = 0;
while (true) {
ZipEntry ze = zip.getNextEntry();
if (ze == null) break;
if (entryName == null) entryName = ze.getName();
if (!matchFound && ze.getName().startsWith(innerFile)) {
// found entry with matching name
entryName = ze.getName();
matchFound = true;
}
entryCount++;
length += ze.getSize();
}
resetStream();
if (length <= 0) {
populateLength();
}
}