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feilong is a suite of core and expanded libraries that include utility classes, http, excel,cvs, io classes, and much much more.
/*
* Copyright (C) 2008 feilong
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.feilong.core.lang;
import static com.feilong.core.bean.ConvertUtil.toMap;
import static com.feilong.core.util.SortUtil.sortMapByKeyAsc;
import java.util.Map;
import java.util.Properties;
import com.feilong.core.Validate;
import com.feilong.core.bean.ConvertUtil;
/**
* {@link java.lang.System}工具类.
*
* 常用Properties:
*
*
*
*
* 字段
* 说明
*
*
* file.encoding
* {@link "org.apache.commons.lang3.SystemUtils#FILE_ENCODING"}
* utf-8
*
*
* file.separator
* {@link "org.apache.commons.lang3.SystemUtils#FILE_SEPARATOR"}
* \\
*
* java.home
* {@link "org.apache.commons.lang3.SystemUtils#JAVA_HOME"}
* D:\\Program Files\\Java\\jdk1.6.0_37\\jre
*
*
* java.io.tmpdir
* {@link "org.apache.commons.lang3.SystemUtils#JAVA_IO_TMPDIR"}
* C:\\Users\\feilong\\AppData\\Local\\Temp\\
*
*
* java.version
* {@link "org.apache.commons.lang3.SystemUtils#JAVA_VERSION"}
* 1.6.0_37
*
*
* line.separator
* {@link System#lineSeparator()}
* \r\n
*
*
* user.dir
* {@link "org.apache.commons.lang3.SystemUtils#USER_DIR"}
* E:\\Workspaces\\feilong\\feilong-platform\\commons\\feilong-core
*
*
* user.home
* {@link "org.apache.commons.lang3.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:\\Windows\\system32;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;.
*
*
* 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
*
*
*
*
* @author feilong
* @see java.lang.System
* @see "org.apache.commons.lang3.SystemUtils#USER_HOME"
* @see "org.apache.commons.lang3.SystemUtils#FILE_ENCODING"
* @see "org.apache.commons.lang3.SystemUtils#FILE_SEPARATOR"
* @see "org.apache.commons.lang3.SystemUtils#JAVA_IO_TMPDIR"
*
* @see "org.springframework.util.SystemPropertyUtils"
* @since 1.0.7
*/
public final class SystemUtil{
/**
* The System property key for the user home directory.
*
* @since 3.0.0
*/
private static final String USER_HOME_KEY = "user.home";
/**
* The {@code user.home} System Property. User's home directory.
*
*
* Defaults to {@code null} if the runtime does not have security access to read this property or the property does
* not exist.
*
*
*
* This value is initialized when the class is loaded. If {@link System#setProperty(String,String)} or
* {@link System#setProperties(java.util.Properties)} is called after this class is loaded, the value will be out of
* sync with that System property.
*
*
* @since Java 1.1
* @since 3.0.0
*/
public static final String USER_HOME = getSystemProperty(USER_HOME_KEY);
/** Don't let anyone instantiate this class. */
private SystemUtil(){
//AssertionError不是必须的. 但它可以避免不小心在类的内部调用构造器. 保证该类在任何情况下都不会被实例化.
//see 《Effective Java》 2nd
throw new AssertionError("No " + getClass().getName() + " instances for you!");
}
// -----------------------------------------------------------------------
/**
*
* Gets a System property, defaulting to {@code null} if the property cannot be read.
*
*
* If a {@code SecurityException} is caught, the return value is {@code null} and a message is written to
* {@code System.err}.
*
*
* @param property
* the system property name
* @return the system property value or {@code null} if a security problem occurs
* @since 3.0.0
*/
private static String getSystemProperty(final String property){
try{
return System.getProperty(property);
}catch (final SecurityException ex){
// we are not allowed to look at this property
return null;
}
}
//---------------------------------------------------------------
/**
* 取到 {@link System#getProperty(String)},转成 {@link java.util.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": ""
}
*
*
*
*
*
* @return the properties map for log
* @see System#getProperties()
* @see ConvertUtil#toMap(Properties)
* @see "org.springframework.core.env.AbstractEnvironment#getSystemProperties()"
* @since 1.8.0 change name
*/
public static Map getPropertiesMap(){
return toMap(System.getProperties());
}
/**
* 取到 {@link System#getenv()},转成 {@link java.util.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"
}
*
*
*
*
*
* @return the env map for log
* @see System#getenv()
* @see "org.springframework.core.env.AbstractEnvironment#getSystemEnvironment()"
* @since 1.8.0 change name
*/
public static Map getEnvMap(){
return sortMapByKeyAsc(System.getenv());
}
//---------------------------------------------------------------
/**
* 循环 map ,设置到系统属性 {@link java.lang.System#setProperty(String, String)}.
*
*
* 如果 map 是null,抛出 {@link NullPointerException}
* 如果 map 是empty,抛出 {@link IllegalArgumentException}
*
*
* @param map
* the properties from map
* @see java.lang.System#setProperty(String, String)
* @since 1.2.0
*/
public static void setPropertiesFromMap(Map map){
Validate.notEmpty(map, "map can't be null/empty!");
for (Map.Entry entry : map.entrySet()){
System.setProperty(entry.getKey(), entry.getValue());
}
}
/**
* 设置 properties from properties.
*
*
* 如果 properties 是null,抛出 {@link NullPointerException}
*
*
* @param properties
* the properties from properties
* @see ConvertUtil#toMap(Properties)
* @see #setPropertiesFromMap(Map)
* @see java.lang.System#setProperties(Properties)
* @since 1.2.0
*/
public static void setPropertiesFromProperties(Properties properties){
Validate.notNull(properties, "properties can't be null!");
setPropertiesFromMap(toMap(properties));
}
}