[출처] System.getProperty(시스템 환경변수)|작성자 joypheonix
1. set
1) System.getProperty(key, defaultvalue.) 사용 : key 가 null 일때 defaultvalue값을 가져옴
( 참고 : http://www.tutorialspoint.com/java/lang/system_getproperty_string_def.htm )
2) was(tomcat, jeus...)별로 <command-option>에
-Dkey값 = value값 설정
예) jeus
-->
<engine-container>
<name>container6</name>
<command-option>-Xms256m -Xmx512m
-Djplug.home=D:/eclipse_workspace/FFI/WebContent/jplugreport/license
</command-option>
<engine-command>
<type>servlet</type>
<name>engine6</name>
</engine-command>
</engine-container>
예) JBOSS 서버 예
1) 이클립스 서버더블클릭
2) Open launch configuration 클릭
3) Arguments 에 -Dkey값 = value값 설정
2. get
// Get the value of the system property
String prop = System.getProperty("jplug.home);
// my value
3. 기본 저장 키
System.getProperty("java.version") : java.version=1.6.0_17
System.getProperty("java.home") : java.home=C:\jdk1.6.0_17\jre
System.getProperty("java.vendor") : java.vendor=Sun Microsystems Inc.
System.getProperty("java.specification.version") : java.specification.version=1.6
System.getProperty("os.name") : os.name=Windows 7
System.getProperty("os.arch") : os.arch=x86
System.getProperty("user.country") : user.country=KR
System.getProperty("user.name") : user.name=saint
System.getProperty("user.language") : user.language=ko
System.getProperty("file.encoding") : file.encoding=MS949
System.getProperty("file.separator") : file.separator=\
System.getProperty("path.separator") : path.separator=;
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Property 정보를 확인하는 자바 소스
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import java.util.Enumeration;
import java.util.Properties;
public class TestProperty {
public static void main(String[] args) {
Properties sysprops = System.getProperties();
for (Enumeration e = sysprops.propertyNames(); e.hasMoreElements();) {
String key = (String) e.nextElement();
String value = sysprops.getProperty(key);
System.out.println(key + "=" + value);
}
}
} |
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