{"id":7577,"date":"2011-08-08T08:00:36","date_gmt":"2011-08-07T23:00:36","guid":{"rendered":"http:\/\/www.sssg.org\/blogs\/hiro345\/?p=7577"},"modified":"2011-08-06T08:31:36","modified_gmt":"2011-08-05T23:31:36","slug":"%e3%81%93%e3%82%8c%e3%81%a7%e3%81%b0%e3%81%a3%e3%81%a1%e3%82%8a%ef%bc%81java%e3%81%a7%e7%92%b0%e5%a2%83%e5%a4%89%e6%95%b0%e3%82%92%e8%a1%a8%e7%a4%ba","status":"publish","type":"post","link":"https:\/\/www.hiro345.net\/blogs\/hiro345\/archives\/7577.html","title":{"rendered":"\u3053\u308c\u3067\u3070\u3063\u3061\u308a\uff01Java\u3067\u74b0\u5883\u5909\u6570\u3092\u8868\u793a"},"content":{"rendered":"

\u8907\u6570\u306eJava\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u74b0\u5883\u3092\u4f7f\u3063\u3066\u3044\u308b\u3068\u304d\u3001\u304d\u3061\u3093\u3068\u9078\u629e\u3057\u305fJavaVM\u304c\u7a3c\u50cd\u3057\u3066\u3044\u308b\u304b\u5fc3\u914d\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3093\u306a\u3068\u304d\u306f\u74b0\u5883\u5909\u6570\u3092\u8868\u793a\u3057\u3066\u307f\u308c\u3070\u3001\u3070\u3063\u3061\u308a\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u4e00\u5fdc\u3001user.name\u3060\u3051\u7f6e\u63db\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u3057\u3066\u3044\u307e\u3059\u3002System\u30af\u30e9\u30b9\u306egetenv\u30e1\u30bd\u30c3\u30c9\u3084getProperties\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3046\u3068\u7c21\u5358\u306b\u78ba\u8a8d\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

\r\npackage org.sssg.soft.sample.env;\r\n\r\nimport java.util.Map;\r\nimport java.util.Properties;\r\n\r\npublic class PrintEnv {\r\n  public static void main(String[] args) {\r\n    Properties ps = System.getProperties();\r\n    String name = ps.getProperty("user.name");\r\n    for (Object o : ps.keySet()) {\r\n      String key = (String) o;\r\n      String value = ps.getProperty(key);\r\n      value = value.replaceAll(name, "\\${user.name}");\r\n      System.out.println(key + ":" + value);\r\n    }\r\n    String javaHome = System.getenv("JAVA_HOME");\r\n    if (javaHome != null) {\r\n      System.out.println(javaHome.replaceAll(name, "\\${user.name}"));\r\n    }\r\n    String path = System.getenv("PATH");\r\n    if (path != null) {\r\n      System.out.println(path.replaceAll(name, "\\${user.name}"));\r\n    }\r\n    Map<String, String> map = System.getenv();\r\n    for (String e : map.keySet()) {\r\n      String value = map.get(e);\r\n      value = value.replaceAll(name, "\\${user.name}");\r\n      System.out.println(e + ":" + value);\r\n    }\r\n  }\r\n}\r\n<\/pre>\n
\u5b9f\u884c\u7d50\u679c\u306e\u4e00\u90e8<\/p>\n
java.runtime.name:Java(TM) SE Runtime Environment
\nsun.boot.library.path:/usr/java/jdk1.6.0_26/jre/lib/amd64
\njava.vm.version:20.1-b02
\njava.vm.vendor:Sun Microsystems Inc.
\njava.vendor.url:http://java.sun.com/
\npath.separator::
\njava.vm.name:Java HotSpot(TM) 64-Bit Server VM
\nfile.encoding.pkg:sun.io
\nsun.java.launcher:SUN_STANDARD
\nuser.country:JP
\nsun.os.patch.level:unknown
\njava.vm.specification.name:Java Virtual Machine Specification
\nuser.dir:/home/${user.name}/workspace/eclipse-java-indigo/sample.env
\njava.runtime.version:1.6.0_26-b03
\njava.awt.graphicsenv:sun.awt.X11GraphicsEnvironment
\njava.endorsed.dirs:/usr/java/jdk1.6.0_26/jre/lib/endorsed
\nos.arch:amd64
\njava.io.tmpdir:/tmp
\nline.separator:<\/p>\n
java.vm.specification.vendor:Sun Microsystems Inc.
\nos.name:Linux
\nsun.jnu.encoding:UTF-8
\njava.library.path:/usr/java/jdk1.6.0_26/jre/lib/amd64/server:/usr/java/jdk1.6.0_26/jre/lib/amd64:/usr/java/jdk1.6.0_26/jre/../lib/amd64:/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
\njava.specification.name:Java Platform API Specification
\njava.class.version:50.0
\nsun.management.compiler:HotSpot 64-Bit Tiered Compilers
\nos.version:2.6.34.9-69.fc13.x86_64
\nuser.home:/home/${user.name}
\nuser.timezone:
\njava.awt.printerjob:sun.print.PSPrinterJob
\nfile.encoding:UTF-8
\njava.specification.version:1.6
\njava.class.path:/home/${user.name}/workspace/eclipse-java-indigo/sample.env/bin
\nuser.name:${user.name}
\njava.vm.specification.version:1.0
\nsun.java.command:org.sssg.soft.sample.env.PrintEnv
\njava.home:/usr/java/jdk1.6.0_26/jre
\nsun.arch.data.model:64
\nuser.language:ja
\njava.specification.vendor:Sun Microsystems Inc.
\njava.vm.info:mixed mode
\njava.version:1.6.0_26
\njava.ext.dirs:/usr/java/jdk1.6.0_26/jre/lib/ext:/usr/java/packages/lib/ext
\nsun.boot.class.path:/usr/java/jdk1.6.0_26/jre/lib/resources.jar:/usr/java/jdk1.6.0_26/jre/lib/rt.jar:/usr/java/jdk1.6.0_26/jre/lib/sunrsasign.jar:/usr/java/jdk1.6.0_26/jre/lib/jsse.jar:/usr/java/jdk1.6.0_26/jre/lib/jce.jar:/usr/java/jdk1.6.0_26/jre/lib/charsets.jar:/usr/java/jdk1.6.0_26/jre/lib/modules/jdk.boot.jar:/usr/java/jdk1.6.0_26/jre/classes
\njava.vendor:Sun Microsystems Inc.
\nfile.separator:/
\njava.vendor.url.bug:http://java.sun.com/cgi-bin/bugreport.cgi
\nsun.io.unicode.encoding:UnicodeLittle
\nsun.cpu.endian:little
\nsun.desktop:gnome
\nsun.cpu.isalist:
\n\u7565
\nUSERNAME:${user.name}
\nORBIT_SOCKETDIR:/tmp/orbit-${user.name}
\nLANG:ja_JP.utf8
\nSSH_ASKPASS:/usr/libexec/openssh/gnome-ssh-askpass\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"
\u8907\u6570\u306eJava\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u74b0\u5883\u3092\u4f7f\u3063\u3066\u3044\u308b\u3068\u304d\u3001\u304d\u3061\u3093\u3068\u9078\u629e\u3057\u305fJavaVM\u304c\u7a3c\u50cd\u3057\u3066\u3044\u308b\u304b\u5fc3\u914d\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3093\u306a\u3068\u304d\u306f\u74b0\u5883\u5909\u6570\u3092\u8868\u793a\u3057\u3066\u307f\u308c\u3070\u3001\u3070\u3063\u3061\u308a\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[1207,554],"class_list":["post-7577","post","type-post","status-publish","format-standard","hentry","category-program","tag-java","tag-system"],"_links":{"self":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts\/7577","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/comments?post=7577"}],"version-history":[{"count":4,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts\/7577\/revisions"}],"predecessor-version":[{"id":7579,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts\/7577\/revisions\/7579"}],"wp:attachment":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/media?parent=7577"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/categories?post=7577"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/tags?post=7577"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}