private int instrumentZip(final InputStream input, final OutputStream output, final String name)
throws IOException {
final ZipInputStream zipin = new ZipInputStream(input);
final ZipOutputStream zipout = new ZipOutputStream(output);
ZipEntry entry;
int count = 0;
while ((entry = zipin.getNextEntry()) != null) {
final String entryName = entry.getName();
if (signatureRemover.removeEntry(entryName)) {
continue;
}
zipout.putNextEntry(new ZipEntry(entryName));
if (!signatureRemover.filterEntry(entryName, zipin, zipout)) {
count += instrumentAll(zipin, zipout, name + "@" + entryName);
}
zipout.closeEntry();
}
zipout.finish();
return count;
}
/**
* Determines whether signatures should be removed from JAR files. This is typically necessary as
* instrumentation modifies the class files and therefore invalidates existing JAR signatures.
* Default is <code>true</code>.
*
* @param flag <code>true</code> if signatures should be removed
*/
public void setRemoveSignatures(final boolean flag) {
signatureRemover.setActive(flag);
}
