pro.gravit.utils.helper

Class JVMHelper

java.lang.Object

pro.gravit.utils.helper.JVMHelper

public final class JVMHelper
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	JVMHelper.OS

Field Summary

Fields

Modifier and Type	Field and Description
static int	JVM_BITS
static java.lang.ClassLoader	LOADER
static java.lang.management.OperatingSystemMXBean	OPERATING_SYSTEM_MXBEAN
static int	OS_BITS
static JVMHelper.OS	OS_TYPE
static java.lang.String	OS_VERSION
static java.lang.Runtime	RUNTIME
static java.lang.management.RuntimeMXBean	RUNTIME_MXBEAN
static java.lang.SecurityManager	SECURITY_MANAGER

Method Summary

Modifier and Type	Method and Description
static void	addSystemPropertyToArgs(java.util.Collection<java.lang.String> args, java.lang.String name)
static void	appendVars(java.lang.ProcessBuilder builder, java.util.Map<java.lang.String,java.lang.String> vars)
static void	checkStackTrace(java.lang.Class<?> mainClass)
static java.lang.Class<?>	firstClass(java.lang.String... names)
static void	fullGC()
static java.lang.String[]	getClassPath()
static java.net.URL[]	getClassPathURL()
static java.lang.String	getEnvPropertyCaseSensitive(java.lang.String name)
static boolean	isJVMMatchesSystemArch()
static java.lang.String	jvmProperty(java.lang.String name, java.lang.String value)
static java.lang.String	systemToJvmProperty(java.lang.String name)
static void	verifySystemProperties(java.lang.Class<?> mainClass, boolean requireSystem)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

RUNTIME_MXBEAN

public static final java.lang.management.RuntimeMXBean RUNTIME_MXBEAN

OPERATING_SYSTEM_MXBEAN

public static final java.lang.management.OperatingSystemMXBean OPERATING_SYSTEM_MXBEAN

OS_TYPE

public static final JVMHelper.OS OS_TYPE

OS_VERSION

public static final java.lang.String OS_VERSION

OS_BITS

public static final int OS_BITS

JVM_BITS

public static final int JVM_BITS

SECURITY_MANAGER

public static final java.lang.SecurityManager SECURITY_MANAGER

RUNTIME

public static final java.lang.Runtime RUNTIME

LOADER

public static final java.lang.ClassLoader LOADER

Method Detail

appendVars

public static void appendVars(java.lang.ProcessBuilder builder,
                              java.util.Map<java.lang.String,java.lang.String> vars)

firstClass

public static java.lang.Class<?> firstClass(java.lang.String... names)
                                     throws java.lang.ClassNotFoundException

Throws:

java.lang.ClassNotFoundException

fullGC

public static void fullGC()

getClassPath

public static java.lang.String[] getClassPath()

getClassPathURL

public static java.net.URL[] getClassPathURL()

checkStackTrace

public static void checkStackTrace(java.lang.Class<?> mainClass)

getEnvPropertyCaseSensitive

public static java.lang.String getEnvPropertyCaseSensitive(java.lang.String name)

isJVMMatchesSystemArch

public static boolean isJVMMatchesSystemArch()

jvmProperty

public static java.lang.String jvmProperty(java.lang.String name,
                                           java.lang.String value)

systemToJvmProperty

public static java.lang.String systemToJvmProperty(java.lang.String name)

addSystemPropertyToArgs

public static void addSystemPropertyToArgs(java.util.Collection<java.lang.String> args,
                                           java.lang.String name)

verifySystemProperties

public static void verifySystemProperties(java.lang.Class<?> mainClass,
                                          boolean requireSystem)