diskUsage.setMaxDiskUsable(usableSpace);
Map<File, File> zipFiles = this.deploymentData.getZipFilesMap();
for (File zipFile : zipFiles.keySet()) {
ZipUtil.walkZipFile(zipFile, new ZipEntryVisitor() {
public boolean visit(ZipEntry entry, ZipInputStream stream) throws Exception {
if (!entry.isDirectory()) {
final long size = entry.getSize();
diskUsage.increaseDiskUsage(size > 0 ? size : 0);
diskUsage.incrementFileCount();