com.feilong.core.lang

Class SystemUtil

java.lang.Object

com.feilong.core.lang.SystemUtil

public final class SystemUtil
extends Object

System工具类.

常用Properties:

字段	说明
file.encoding SystemUtils.FILE_ENCODING	utf-8
file.separator SystemUtils.FILE_SEPARATOR	\\
java.home SystemUtils.JAVA_HOME	D:\\Program Files\\Java\\jdk1.6.0_37\\jre
java.io.tmpdir SystemUtils.JAVA_IO_TMPDIR	C:\\Users\\feilong\\AppData\\Local\\Temp\\
java.version SystemUtils.JAVA_VERSION	1.6.0_37
line.separator System.lineSeparator()	\r\n
user.dir SystemUtils.USER_DIR	E:\\Workspaces\\feilong\\feilong-platform\\commons\\feilong-core
user.home SystemUtils.USER_HOME	C:\\Users\\feilong

其他Properties:

字段	说明
awt.toolkit	sun.awt.windows.WToolkit
file.encoding.pkg	sun.io
java.awt.graphicsenv	sun.awt.Win32GraphicsEnvironment
java.awt.printerjob	sun.awt.windows.WPrinterJob
java.class.path	E:\\Workspaces\\feilong\\feilong-platform\\commons\\feilong-core\\target\\test-classes;E:\\Workspaces\\feilong\\feilong-platform\\ commons\\feilong-core\\target\\classes;D:\\FeiLong Soft\\Essential\\Development\\repository\\org\\slf4j\\slf4j-api\\1.7.6\\slf4j-api-1.7.6.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\net\\sf\\json-lib\\json-lib\\2.4\\json-lib-2.4-jdk15.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\net\\sf\\ezmorph\\ezmorph\\1.0.6\\ezmorph-1.0.6.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\commons-lang\\commons-lang\\2.6\\commons-lang-2.6.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\org\\apache\\commons\\commons-lang3\\3.3.2\\commons-lang3-3.3.2.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\commons-beanutils\\commons-beanutils\\1.9.1\\commons-beanutils-1.9.1.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\commons-logging\\commons-logging\\1.1.1\\commons-logging-1.1.1.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\commons-collections\\commons-collections\\3.2.1\\commons-collections-3.2.1.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\xom\\xom\\1.2.5\\xom-1.2.5.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\xml-apis\\xml-apis\\1.3.03\\xml-apis-1.3.03.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\xerces\\xercesImpl\\2.8.0\\xercesImpl-2.8.0.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\xalan\\xalan\\2.7.0\\xalan-2.7.0.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\junit\\junit\\4.10\\junit-4.10.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\org\\hamcrest\\hamcrest-core\\1.1\\hamcrest-core-1.1.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\org\\easymock\\easymock\\3.1\\easymock-3.1.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\cglib\\cglib-nodep\\2.2.2\\cglib-nodep-2.2.2.jar;D:\\FeiLong Soft\\Essential\\Development\\repository \\org\\objenesis\\objenesis\\1.2\\objenesis-1.2.jar;E:\\Workspaces\\feilong\\else\\feilong-common-test\\target\\classes;D:\\FeiLong Soft\\Essential\\Development\\repository\\org\\slf4j\\slf4j-log4j12\\1.7.6\\slf4j-log4j12-1.7.6.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\log4j\\log4j\\1.2.17\\log4j-1.2.17.jar;/D:/FeiLong Soft/Essential/Development/eclipse-jee-kepler-SR2-win32/configuration/org.eclipse.osgi/bundles/378/1/.cp/;/D:/FeiLong Soft/Essential/Development/eclipse-jee-kepler-SR2-win32/configuration/org.eclipse.osgi/bundles/377/1/.cp/
java.class.version	50.0
java.endorsed.dirs	D:\\Program Files\\Java\\jdk1.6.0_37\\jre\\lib\\endorsed
java.ext.dirs	D:\\Program Files\\Java\\jdk1.6.0_37\\jre\\lib\\ext;C:\\Windows\\Sun\\Java\\lib\\ext
java.library.path	D:\\Program Files\\Java\\jdk1.6.0_37\\bin;C:\\Windows\\Sun\\Java\\bin;C:\\Windows\\system32;C:\\Windows;D:/Program Files/Java/jre6/bin/client;D:/Program Files/Java/jre6/bin;D:/Program Files/Java/jre6/lib/i386;C:\\Program Files (x86)\\NVIDIA Corporation\\PhysX\\Common;C:\\Program Files (x86)\\Common Files\\NetSarang;C:\\Windows\\system32;C:\\Windows;C:\\Windows\\System32\\Wbem; C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\;C:\\Program Files (x86)\\Intel\\OpenCL SDK\\2.0\\bin\\x86;C:\\Program Files (x86)\\Intel\\OpenCL SDK\\2.0\\bin\\x64;C:\\Program Files (x86)\\ATI Technologies\\ATI.ACE\\Core-Static;C:\\Program Files\\TortoiseSVN\\bin;D:\\Program Files\\Java\\jdk1.6.0_37\\bin;D:\\FeiLong Soft;D:\\FeiLong Soft\\Essential\\run;D:\\FeiLong Soft\\Essential\\Development\\apache-ant-1.9.3\\bin;D:\\FeiLong Soft\\Essential\\Development\\apache-maven-3.2.1\\bin;D:\\FeiLong Soft\\Datebase\\postgresql\\postgresql-9.2.4-1-windows-x64-binaries\\bin;;D:\\FeiLong Soft\\Essential\\Development\\eclipse-jee-kepler-SR2-win32;;.
java.runtime.name	Java(TM) SE Runtime Environment
java.runtime.version	1.6.0_37-b06
java.specification.name	Java Platform API Specification
java.specification.vendor	Sun Microsystems Inc.
java.specification.version	1.6
java.vendor	Sun Microsystems Inc.
java.vendor.url	http://java.sun.com/
java.vendor.url.bug	http://java.sun.com/cgi-bin/bugreport.cgi
java.vm.info	mixed mode
java.vm.name	Java HotSpot(TM) Client VM
java.vm.specification.name	Java Virtual Machine Specification
java.vm.specification.vendor	Sun Microsystems Inc.
java.vm.specification.version	1.0
java.vm.vendor	Sun Microsystems Inc.
java.vm.version	20.12-b01
os.arch	x86
os.name	Windows 7
os.version	6.1
path.separator	;
sun.arch.data.model	32
sun.boot.class.path	D:\\Program Files\\Java\\jdk1.6.0_37\\jre\\lib\\resources.jar;D:\\Program Files\\Java\\jdk1.6.0_37\\jre\\lib\\rt.jar;D:\\Program Files\\Java\\jdk1.6.0_37\\jre\\lib\\sunrsasign.jar;D:\\Program Files\\Java\\jdk1.6.0_37\\jre\\lib\\jsse.jar;D:\\Program Files\\Java\\jdk1.6.0_37\\jre\\lib\\jce.jar;D:\\Program Files\\Java\\jdk1.6.0_37\\jre\\lib\\charsets.jar;D:\\Program Files\\Java\\jdk1.6.0_37\\jre\\lib\\modules\\jdk.boot.jar;D:\\Program Files\\Java\\jdk1.6.0_37\\jre\\classes
sun.boot.library.path	D:\\Program Files\\Java\\jdk1.6.0_37\\jre\\bin
sun.cpu.endian	little
sun.cpu.isalist	pentium_pro+mmx pentium_pro pentium+mmx pentium i486 i386 i86
sun.desktop	windows
sun.io.unicode.encoding	UnicodeLittle
sun.java.command	org.eclipse.jdt.internal.junit.runner.RemoteTestRunner -version 3 -port 60401 -testLoaderClass org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader -loaderpluginname org.eclipse.jdt.junit4.runtime -test com.feilong.core.lang.SystemUtilTest:getPropertiesMapForLog
sun.java.launcher	SUN_STANDARD
sun.jnu.encoding	GBK
sun.management.compiler	HotSpot Client Compiler
sun.os.patch.level	Service Pack 1
user.country	CN
user.language	zh
user.name	feilong
user.timezone	Asia/Bangkok

Since:

1.0.7

Author:

feilong

See Also:

System, SystemUtils, SystemUtils.USER_HOME, SystemUtils.FILE_ENCODING, SystemUtils.FILE_SEPARATOR, SystemUtils.JAVA_IO_TMPDIR, "org.springframework.util.SystemPropertyUtils"

Method Summary

Methods

Modifier and Type	Method and Description
static Map<String,String>	getEnvMap() 取到 System.getenv(),转成 TreeMap,以遍输出log的时候,会顺序显示.
static Map<String,String>	getPropertiesMap() 取到 System.getProperty(String),转成 TreeMap,以遍输出log的时候,会顺序显示.
static void	setPropertiesFromMap(Map<String,String> map) 循环 map ,设置到系统属性 System.setProperty(String, String).
static void	setPropertiesFromProperties(Properties properties) 设置 properties from properties.

Methods inherited from class java.lang.Object

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

Method Detail

getPropertiesMap

public static Map<String,String> getPropertiesMap()

取到 System.getProperty(String),转成 TreeMap,以遍输出log的时候,会顺序显示.

示例:

 LOGGER.debug(JsonUtil.format(SystemUtil.getPropertiesMap()));
 

返回:

 {
        "file.encoding": "UTF-8",
        "file.encoding.pkg": "sun.io",
        "file.separator": "\\",
        "java.class.path": "E:\\Workspaces\\feilong\\feilong-core\\target\\test-classes;E:\\Workspaces\\feilong\\feilong-core\\target\\classes;D:\\FeiLong Soft\\Essential\\Development\\repository\\org\\apache\\commons\\commons-lang3\\3.4\\commons-lang3-3.4.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\org\\apache\\commons\\commons-collections4\\4.1\\commons-collections4-4.1.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\commons-beanutils\\commons-beanutils\\1.9.2\\commons-beanutils-1.9.2.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\net\\sf\\json-lib\\json-lib\\2.4\\json-lib-2.4-jdk15.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\net\\sf\\ezmorph\\ezmorph\\1.0.6\\ezmorph-1.0.6.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\org\\slf4j\\slf4j-log4j12\\1.7.21\\slf4j-log4j12-1.7.21.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\log4j\\log4j\\1.2.17\\log4j-1.2.17.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\commons-lang\\commons-lang\\2.6\\commons-lang-2.6.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\commons-logging\\commons-logging\\1.2\\commons-logging-1.2.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\commons-collections\\commons-collections\\3.2.2\\commons-collections-3.2.2.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\org\\hamcrest\\hamcrest-library\\1.3\\hamcrest-library-1.3.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\org\\hamcrest\\hamcrest-core\\1.3\\hamcrest-core-1.3.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\xom\\xom\\1.2.5\\xom-1.2.5.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\xalan\\xalan\\2.7.0\\xalan-2.7.0.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\org\\slf4j\\slf4j-api\\1.7.21\\slf4j-api-1.7.21.jar;D:\\FeiLong Soft\\Essential\\Development\\repository\\junit\\junit\\4.12\\junit-4.12.jar;E:\\Workspaces\\feilong\\feilong-resource\\feilong-common-test\\target\\classes;/D:/FeiLong Soft/Essential/Development/eclipse-jee-mars-2-win32/configuration/org.eclipse.osgi/425/0/.cp/;/D:/FeiLong Soft/Essential/Development/eclipse-jee-mars-2-win32/configuration/org.eclipse.osgi/424/0/.cp/",
        "java.class.version": "51.0",
        "java.endorsed.dirs": "D:\\Program Files\\Java\\jdk1.7.0_60\\jre\\lib\\endorsed",
        "java.ext.dirs": "D:\\Program Files\\Java\\jdk1.7.0_60\\jre\\lib\\ext;C:\\Windows\\Sun\\Java\\lib\\ext",
        "java.home": "D:\\Program Files\\Java\\jdk1.7.0_60\\jre",
        "java.io.tmpdir": "C:\\Users\\feilong\\AppData\\Local\\Temp\\",
        "java.library.path": "D:\\Program Files\\Java\\jdk1.7.0_60\\bin;C:\\Windows\\Sun\\Java\\bin;C:\\Windows\\system32;C:\\Windows;D:/Program Files/Java/jre1.8.0_45/bin/client;D:/Program Files/Java/jre1.8.0_45/bin;D:/Program Files/Java/jre1.8.0_45/lib/i386;C:\\ProgramData\\Oracle\\Java\\javapath;D:\\Goto;C:\\Program Files (x86)\\NVIDIA Corporation\\PhysX\\Common;C:\\Program Files (x86)\\Common Files\\NetSarang;C:\\Windows\\system32;C:\\Windows;C:\\Windows\\System32\\Wbem;C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\;C:\\Program Files (x86)\\Intel\\OpenCL SDK\\2.0\\bin\\x86;C:\\Program Files (x86)\\Intel\\OpenCL SDK\\2.0\\bin\\x64;C:\\Program Files (x86)\\ATI Technologies\\ATI.ACE\\Core-Static;C:\\Program Files\\TortoiseSVN\\bin;C:\\Program Files (x86)\\Skype\\Phone\\;C:\\Program Files\\TortoiseGit\\bin;D:\\Program Files\\Java\\jdk1.8.0_45\\bin;D:\\FeiLong Soft;D:\\FeiLong Soft\\Essential\\run;D:\\FeiLong Soft\\StaticDevelopment\\apache-ant-1.9.3\\bin;D:\\FeiLong Soft\\StaticDevelopment\\apache-maven-3.3.3\\bin;D:\\FeiLong Soft\\Datebase\\postgresql\\postgresql-9.4.0-1-windows-x64-binaries\\bin;C:\\Program Files (x86)\\Git\\bin;C:\\Program Files (x86)\\Git\\libexec\\git-core;D:\\FeiLong Soft\\Essential\\Development\\redis-2.8.19;D:\\FeiLong Soft\\Essential\\Development\\eclipse-jee-mars-2-win32;;.",
        "java.runtime.name": "Java(TM) SE Runtime Environment",
        "java.runtime.version": "1.7.0_60-b19",
        "java.specification.name": "Java Platform API Specification",
        "java.specification.vendor": "Oracle Corporation",
        "java.specification.version": "1.7",
        "java.vendor": "Oracle Corporation",
        "java.vendor.url": "http://java.oracle.com/",
        "java.vendor.url.bug": "http://bugreport.sun.com/bugreport/",
        "java.version": "1.7.0_60",
        "java.vm.info": "mixed mode, sharing",
        "java.vm.name": "Java HotSpot(TM) Client VM",
        "java.vm.specification.name": "Java Virtual Machine Specification",
        "java.vm.specification.vendor": "Oracle Corporation",
        "java.vm.specification.version": "1.7",
        "java.vm.vendor": "Oracle Corporation",
        "java.vm.version": "24.60-b09",
        "line.separator": "\r\n",
        "os.arch": "x86",
        "os.name": "Windows 7",
        "os.version": "6.1",
        "path.separator": ";",
        "sun.desktop": "windows",
        "user.country": "CN",
        "user.dir": "E:\\Workspaces\\feilong\\feilong-core",
        "user.home": "C:\\Users\\feilong",
        "user.language": "zh",
        "user.name": "feilong",
        "user.script": "",
        "user.timezone": "Asia/Shanghai",
        "user.variant": ""
    }
 
 

Returns:

the properties map for log

Since:

1.8.0 change name

See Also:

System.getProperties(), ConvertUtil.toMap(Properties), "org.springframework.core.env.AbstractEnvironment#getSystemProperties()"

getEnvMap

public static Map<String,String> getEnvMap()

取到 System.getenv(),转成 TreeMap,以遍输出log的时候,会顺序显示.

示例:

 
 LOGGER.debug(JsonUtil.format(SystemUtil.getEnvMap()));
 
 

返回:

 {
        "=::": "::\\",
        "ALLUSERSPROFILE": "C:\\ProgramData",
        "ANT_HOME": "D:\\FeiLong Soft\\StaticDevelopment\\apache-ant-1.9.3",
        "APPDATA": "C:\\Users\\feilong\\AppData\\Roaming",
        "APP_ENCRYPTION_PASSWORD_SPEEDO": "speedodev",
        "COMPUTERNAME": "FEILONG-PC",
        "ComSpec": "C:\\Windows\\system32\\cmd.exe",
        "FP_NO_HOST_CHECK": "NO",
        "HOME": "C:\\Users\\feilong",
        "HOMEDRIVE": "C:",
        "HOMEPATH": "\\Users\\feilong",
        "LOCALAPPDATA": "C:\\Users\\feilong\\AppData\\Local",
        "LOGONSERVER": "\\\\FEILONG-PC",
        "NUMBER_OF_PROCESSORS": "4",
        "OS": "Windows_NT",
        "PATHEXT": ".COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC",
        "PROCESSOR_ARCHITECTURE": "x86",
        "PROCESSOR_ARCHITEW6432": "AMD64",
        "PROCESSOR_LEVEL": "6",
        "PROCESSOR_REVISION": "3a09",
        "PSModulePath": "C:\\Windows\\system32\\WindowsPowerShell\\v1.0\\Modules\\",
        "PUBLIC": "C:\\Users\\Public",
        "Path": "D:/Program Files/Java/jre1.8.0_45/bin/client;D:/Program Files/Java/jre1.8.0_45/bin;D:/Program Files/Java/jre1.8.0_45/lib/i386;C:\\ProgramData\\Oracle\\Java\\javapath;D:\\Goto;C:\\Program Files (x86)\\NVIDIA Corporation\\PhysX\\Common;C:\\Program Files (x86)\\Common Files\\NetSarang;C:\\Windows\\system32;C:\\Windows;C:\\Windows\\System32\\Wbem;C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\;C:\\Program Files (x86)\\Intel\\OpenCL SDK\\2.0\\bin\\x86;C:\\Program Files (x86)\\Intel\\OpenCL SDK\\2.0\\bin\\x64;C:\\Program Files (x86)\\ATI Technologies\\ATI.ACE\\Core-Static;C:\\Program Files\\TortoiseSVN\\bin;C:\\Program Files (x86)\\Skype\\Phone\\;C:\\Program Files\\TortoiseGit\\bin;D:\\Program Files\\Java\\jdk1.8.0_45\\bin;D:\\FeiLong Soft;D:\\FeiLong Soft\\Essential\\run;D:\\FeiLong Soft\\StaticDevelopment\\apache-ant-1.9.3\\bin;D:\\FeiLong Soft\\StaticDevelopment\\apache-maven-3.3.3\\bin;D:\\FeiLong Soft\\Datebase\\postgresql\\postgresql-9.4.0-1-windows-x64-binaries\\bin;C:\\Program Files (x86)\\Git\\bin;C:\\Program Files (x86)\\Git\\libexec\\git-core;D:\\FeiLong Soft\\Essential\\Development\\redis-2.8.19;D:\\FeiLong Soft\\Essential\\Development\\eclipse-jee-mars-2-win32;",
        "ProgramData": "C:\\ProgramData",
        "ProgramFiles": "C:\\Program Files (x86)",
        "ProgramFiles(x86)": "C:\\Program Files (x86)",
        "SESSIONNAME": "Console",
        "SystemDrive": "C:",
        "SystemRoot": "C:\\Windows",
        "TEMP": "C:\\Users\\feilong\\AppData\\Local\\Temp",
        "TMP": "C:\\Users\\feilong\\AppData\\Local\\Temp",
        "USERDOMAIN": "feilong-PC",
        "USERNAME": "feilong",
        "USERPROFILE": "C:\\Users\\feilong",
        "windir": "C:\\Windows",
        "windows_tracing_flags": "3",
        "windows_tracing_logfile": "C:\\BVTBin\\Tests\\installpackage\\csilogfile.log"
    }
 
 

Returns:

the env map for log

Since:

1.8.0 change name

See Also:

System.getenv(), "org.springframework.core.env.AbstractEnvironment#getSystemEnvironment()"

setPropertiesFromMap

public static void setPropertiesFromMap(Map<String,String> map)

循环 map ,设置到系统属性 System.setProperty(String, String).

如果 map 是null,抛出 NullPointerException
如果 map 是empty,抛出 IllegalArgumentException

Parameters:

map - the properties from map

Since:

1.2.0

See Also:

System.setProperty(String, String)

setPropertiesFromProperties

public static void setPropertiesFromProperties(Properties properties)

设置 properties from properties.

如果 properties 是null,抛出 NullPointerException

Parameters:

properties - the properties from properties

Since:

1.2.0

See Also:

ConvertUtil.toMap(Properties), setPropertiesFromMap(Map), System.setProperties(Properties)