Github user revans2 commented on a diff in the pull request:
https://github.com/apache/storm/pull/822#discussion_r43155803
--- Diff: storm-core/src/jvm/backtype/storm/utils/Utils.java ---
@@ -692,5 +696,65 @@ public static void handleUncaughtException(Throwable
t) {
}
}
}
+
+ /**
+ * Given a File input it will unzip the file in a the unzip directory
+ * passed as the second parameter
+ * @param inFile The zip file as input
+ * @param unzipDir The unzip directory where to unzip the zip file.
+ * @throws IOException
+ */
+ public static void unZip(File inFile, File unzipDir) throws
IOException {
+ Enumeration<? extends ZipEntry> entries;
+ ZipFile zipFile = new ZipFile(inFile);
+
+ try {
+ entries = zipFile.entries();
+ while (entries.hasMoreElements()) {
+ ZipEntry entry = entries.nextElement();
+ if (!entry.isDirectory()) {
+ InputStream in = zipFile.getInputStream(entry);
+ try {
+ File file = new File(unzipDir, entry.getName());
+ if (!file.getParentFile().mkdirs()) {
+ if (!file.getParentFile().isDirectory()) {
+ throw new IOException("Mkdirs failed to
create " +
+ file.getParentFile().toString());
+ }
+ }
+ OutputStream out = new FileOutputStream(file);
+ try {
+ byte[] buffer = new byte[8192];
+ int i;
+ while ((i = in.read(buffer)) != -1) {
+ out.write(buffer, 0, i);
+ }
+ } finally {
+ out.close();
+ }
+ } finally {
+ in.close();
+ }
+ }
+ }
+ } finally {
+ zipFile.close();
+ }
+ }
+
+ //Note: Only works for zip files whose uncompressed size is less than
4 GB
+ //Otherwise returns the size module 2^32, per gzip specifications
+ //Returns a long, since that's what file lengths in Java/Clojure
usually are.
--- End diff --
Can we turn this into a javadoc comment?
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