components/visual-panels/core/src/java/util/com/oracle/solaris/vp/util/misc/ProcessUtil.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/components/visual-panels/core/src/java/util/com/oracle/solaris/vp/util/misc/ProcessUtil.java Thu May 24 04:16:47 2012 -0400
@@ -0,0 +1,113 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
+ */
+
+package com.oracle.solaris.vp.util.misc;
+
+import java.io.*;
+import com.oracle.solaris.vp.util.misc.exception.CommandFailedException;
+
+public class ProcessUtil {
+ //
+ // Static methods
+ //
+
+ /**
+ * Runs the given command and waits for it to complete.
+ *
+ * @param command
+ * the command array
+ *
+ * @return the result of the command
+ *
+ * @exception IOException
+ * if an I/O error occurs
+ *
+ * @exception InterruptedException
+ * if the current thread is interrupted while
+ * waiting for the process to finish
+ */
+ public static ProcessResult exec(String... command) throws IOException,
+ InterruptedException {
+
+ Process p = Runtime.getRuntime().exec(command);
+ p.waitFor();
+
+ int exitValue = p.exitValue();
+ byte[] stdout = getBytes(p.getInputStream());
+ byte[] stderr = getBytes(p.getErrorStream());
+
+ return new ProcessResult(command, exitValue, stdout, stderr);
+ }
+
+ /**
+ * Runs the given command and waits for it to complete.
+ *
+ * @param expExitValue
+ * the expected exit value of the command
+ *
+ * @param command
+ * the command array
+ *
+ * @return the result of the command
+ *
+ * @exception IOException
+ * if an I/O error occurs
+ *
+ * @exception InterruptedException
+ * if the current thread is interrupted while
+ * waiting for the process to finish
+ *
+ * @exception CommandFailedException
+ * if the command exits with a result other than {@code
+ * expExitValue}
+ */
+ public static ProcessResult exec(int expExitValue, String... command)
+ throws IOException, InterruptedException, CommandFailedException {
+
+ ProcessResult result = exec(command);
+ if (result.getExitValue() != expExitValue) {
+ throw new CommandFailedException(result);
+ }
+
+ return result;
+ }
+
+ //
+ // Private static methods
+ //
+
+ private static byte[] getBytes(InputStream in) {
+ ByteArrayOutputStream out = new ByteArrayOutputStream();
+ byte[] b = new byte[1024];
+ int n;
+ try {
+ while ((n = in.read(b)) != -1) {
+ out.write(b, 0, n);
+ }
+ } catch (IOException unlikely) {
+ }
+ return out.toByteArray();
+ }
+}