Initial load
diff --git a/test/java/util/zip/FileBuilder.java b/test/java/util/zip/FileBuilder.java
new file mode 100644
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--- /dev/null
+++ b/test/java/util/zip/FileBuilder.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2003 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ *
+ * Driven by: 3GBZipFiles.sh
+ */
+
+import java.io.RandomAccessFile;
+import java.io.IOException;
+import java.util.Random;
+
+public class FileBuilder {
+ private static void usageError() {
+ System.err.println("Usage: FileBuilder filetype filename filesize");
+ System.err.println("");
+ System.err.println("Makes a file named FILENAME of size FILESIZE.");
+ System.err.println("If FILETYPE is \"MostlyEmpty\", the file contents is mostly null bytes");
+ System.err.println("(which might occupy no disk space if the right OS support exists).");
+ System.err.println("If FILETYPE is \"SlightlyCompressible\", the file contents are");
+ System.err.println("approximately 90% random data.");
+ System.exit(1);
+ }
+
+ public static void main (String[] args) throws IOException {
+ if (args.length != 3)
+ usageError();
+ String filetype = args[0];
+ String filename = args[1];
+ long filesize = Long.parseLong(args[2]);
+
+ if (! (filetype.equals("MostlyEmpty") ||
+ filetype.equals("SlightlyCompressible")))
+ usageError();
+
+ RandomAccessFile raf = new RandomAccessFile(filename, "rw");
+
+ if (filetype.equals("SlightlyCompressible")) {
+ byte[] randomBytes = new byte[16384];
+ byte[] nullBytes = new byte[randomBytes.length/10];
+ Random rand = new Random();
+ for (int i = 0; raf.length() < filesize; ++i) {
+ rand.nextBytes(randomBytes);
+ raf.write(nullBytes);
+ raf.write(randomBytes);
+ }
+ }
+
+ // Make sure file is exactly the requested size, and that
+ // a unique identifying trailer is written.
+ byte[] filenameBytes = filename.getBytes("UTF8");
+ raf.seek(filesize-filenameBytes.length);
+ raf.write(filenameBytes);
+ raf.setLength(filesize);
+ raf.close();
+ }
+}