test/hotspot/jtreg/vmTestbase/nsk/monitoring/share/Generator.java
changeset 49958 cc29d7717e3a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/monitoring/share/Generator.java	Wed May 02 16:43:56 2018 -0700
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2005, 2018, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package nsk.monitoring.share;
+
+import java.util.*;
+import java.io.*;
+import java.util.ArrayList;
+
+public class Generator {
+        private String patternFileName;
+        private String outDir;
+        private List<String> lines = new ArrayList<>();
+        private String prefix = "LoadableClass";
+
+        public Generator(String patternFileName, String outDir) {
+                this.patternFileName = patternFileName;
+                this.outDir = outDir;
+        }
+
+        private void load() throws IOException {
+                BufferedReader rd = null;
+                try {
+                        rd = new BufferedReader(new FileReader(patternFileName));
+                        String s = rd.readLine();
+                        while (s != null) {
+                                lines.add(s);
+                                s = rd.readLine();
+                        }
+                } finally {
+                        if (rd != null) {
+                                rd.close();
+                        }
+                }
+        }
+
+        private void generate(int n) throws IOException {
+                PrintStream out = null;
+                String tokens = Integer.toString(n);
+                if (tokens.length() == 1)
+                        tokens = "00" + tokens;
+                else if (tokens.length() == 2)
+                        tokens = "0" + tokens;
+                try {
+                        out = new PrintStream(new FileOutputStream(new File(outDir, prefix + tokens + ".java")));
+                        for (int i = 0; i < lines.size(); ++i) {
+                                String line = lines.get(i);
+                                out.println(line.replaceAll("XYZ", tokens));
+                        }
+                } finally {
+                        if (out != null) {
+                                out.close();
+                        }
+                }
+        }
+
+        public void run() throws IOException {
+                load();
+                for (int i = 1; i < 101; ++i)
+                        generate(i);
+        }
+
+        private static void usage() {
+                System.out.println("Usage: nsk.monitoring.share.Generator <pattern file> <output directory>");
+        }
+
+        public static void main(String[] args) throws Exception {
+                if (args.length != 2) {
+                        usage();
+                        throw new IllegalArgumentException("Need exactly two arguments.");
+                }
+                new Generator(args[0], args[1]).run();
+        }
+}