public String hasSameContent(JarFile2 file, JarEntry entry) throws IOException {
String thisName = null;
Long crcL = new Long(entry.getCrc());
// check if this jar contains files with the passed in entry's crc
if (_crcToEntryMap.containsKey(crcL)) {
// get the Linked List with files with the crc
LinkedList ll = (LinkedList) _crcToEntryMap.get(crcL);
// go through the list and check for content match
ListIterator li = ll.listIterator(0);
if (li != null) {
while (li.hasNext()) {
JarEntry thisEntry = (JarEntry) li.next();
// check for content match
InputStream oldIS = getJarFile().getInputStream(thisEntry);
InputStream newIS = file.getJarFile().getInputStream(entry);
if (!differs(oldIS, newIS)) {
thisName = thisEntry.getName();
return thisName;
}
}
}
}
return thisName;
}
