jdk/test/sun/tools/jinfo/JInfoHelper.java
changeset 27789 8f7dbf70bf0e
child 34327 50693d25f4a7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sun/tools/jinfo/JInfoHelper.java	Tue Nov 18 16:20:16 2014 +0100
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2014, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+
+import java.util.Arrays;
+
+import jdk.testlibrary.JDKToolLauncher;
+import jdk.testlibrary.OutputAnalyzer;
+import jdk.testlibrary.ProcessTools;
+
+/**
+ *  The helper class for running jinfo utility.
+ */
+public final class JInfoHelper {
+
+    /**
+     * Print configuration information for the current process
+     *
+     * @param toolArgs List of jinfo options
+     */
+    public static OutputAnalyzer jinfo(String... toolArgs) throws Exception {
+        return jinfo(true, toolArgs);
+    }
+
+    /**
+     * Print usage information
+     *
+     * @param toolArgs List of jinfo options
+     */
+    public static OutputAnalyzer jinfoNoPid(String... toolArgs) throws Exception {
+        return jinfo(false, toolArgs);
+    }
+
+    private static OutputAnalyzer jinfo(boolean toPid, String... toolArgs) throws Exception {
+        JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jinfo");
+        if (toolArgs != null) {
+            for (String toolArg : toolArgs) {
+                launcher.addToolArg(toolArg);
+            }
+        }
+        if (toPid) {
+            launcher.addToolArg(Integer.toString(ProcessTools.getProcessId()));
+        }
+
+        ProcessBuilder processBuilder = new ProcessBuilder(launcher.getCommand());
+        System.out.println(Arrays.toString(processBuilder.command().toArray()).replace(",", ""));
+        OutputAnalyzer output = ProcessTools.executeProcess(processBuilder);
+        System.out.println(output.getOutput());
+
+        return output;
+    }
+
+}