10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.oracle.java.testlibrary;
24
25 import com.sun.management.HotSpotDiagnosticMXBean;
26 import com.sun.management.VMOption;
27 import java.lang.management.ManagementFactory;
28
29 /**
30 * Simple class to check writeability, invalid and valid values for VMOption
31 */
32 public class DynamicVMOptionChecker {
33
34 /**
35 * Reads VM option from PlatformMXBean and parse it to integer value
36 *
37 * @param name of option
38 * @return parsed value
39 */
40 public static int getIntValue(String name) {
41
42 VMOption option = ManagementFactory.
43 getPlatformMXBean(HotSpotDiagnosticMXBean.class).
44 getVMOption(name);
45
46 return Integer.parseInt(option.getValue());
47 }
48
49 /**
50 * Sets VM option value
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.oracle.java.testlibrary;
24
25 import com.sun.management.HotSpotDiagnosticMXBean;
26 import com.sun.management.VMOption;
27 import java.lang.management.ManagementFactory;
28
29 /**
30 * Simple class to check writability, invalid and valid values for VMOption
31 */
32 public class DynamicVMOptionChecker {
33
34 /**
35 * Reads VM option from PlatformMXBean and parse it to integer value
36 *
37 * @param name of option
38 * @return parsed value
39 */
40 public static int getIntValue(String name) {
41
42 VMOption option = ManagementFactory.
43 getPlatformMXBean(HotSpotDiagnosticMXBean.class).
44 getVMOption(name);
45
46 return Integer.parseInt(option.getValue());
47 }
48
49 /**
50 * Sets VM option value
|