test/hotspot/jtreg/serviceability/tmtools/share/common/ToolRunner.java
changeset 47216 71c04702a3d5
parent 35493 863fb33f9940
child 59130 601b3fe3786d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/serviceability/tmtools/share/common/ToolRunner.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2015, 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 common;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.StringReader;
+import java.util.ArrayList;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.StringTokenizer;
+import jdk.test.lib.process.OutputAnalyzer;
+import jdk.test.lib.process.ProcessTools;
+
+/**
+ * This class starts a process specified by the passed command line waits till
+ * the process completes and returns the process exit code and stdout and stderr
+ * output as ToolResults
+ */
+class ToolRunner {
+
+    private final List<String> cmdArgs = new LinkedList<>();
+
+    ToolRunner(String cmdLine) {
+        StringTokenizer st = new StringTokenizer(cmdLine);
+        while (st.hasMoreTokens()) {
+            cmdArgs.add(st.nextToken());
+        }
+    }
+
+    /**
+     * Starts the process, waits for the process completion and returns the
+     * results
+     *
+     * @return process results
+     * @throws Exception if anything goes wrong
+     */
+    ToolResults runToCompletion() throws Exception {
+
+        ProcessBuilder pb = new ProcessBuilder(cmdArgs);
+        OutputAnalyzer oa = ProcessTools.executeProcess(pb);
+
+        return new ToolResults(oa.getExitValue(),
+                stringToList(oa.getStdout()),
+                stringToList(oa.getStderr()));
+
+    }
+
+    private static List<String> stringToList(String s) throws IOException {
+        BufferedReader reader = new BufferedReader(new StringReader(s));
+        List<String> strings = new ArrayList<>();
+        for (String line = reader.readLine(); line != null; line = reader.readLine()) {
+            strings.add(line);
+        }
+        reader.close();
+        return strings;
+    }
+}