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support env
This commit is contained in:
Looly
parent
9dabb0fd9f
commit
a965845dcc
@ -6,6 +6,7 @@
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## 5.0.4
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### 新特性
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* 【setting】 增加System.getenv变量替换支持
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### Bug修复
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-------------------------------------------------------------------------------------------------------------
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@ -220,6 +220,11 @@ public class SettingLoader {
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if (null == varValue) {
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varValue = System.getProperty(key);
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}
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// 环境变量中查找
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if (null == varValue) {
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varValue = System.getenv(key);
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}
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if (null != varValue) {
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// 替换标识
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value = value.replace(var, varValue);
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@ -21,116 +21,190 @@ import cn.hutool.core.util.StrUtil;
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/**
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* Java的System类封装工具类。<br>
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* http://blog.csdn.net/zhongweijian/article/details/7619383
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*
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* @author Looly
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* 参考：http://blog.csdn.net/zhongweijian/article/details/7619383
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*
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* @author Looly
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*/
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public class SystemUtil {
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// ----- Java运行时环境信息 -----/
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/** Java 运行时环境规范名称的KEY */
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/**
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* Java 运行时环境规范名称的KEY
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*/
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public final static String SPECIFICATION_NAME = SystemPropsKeys.SPECIFICATION_NAME;
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/** Java 运行时环境版本的KEY */
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/**
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* Java 运行时环境版本的KEY
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*/
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public final static String VERSION = SystemPropsKeys.VERSION;
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/** Java 运行时环境规范版本的KEY */
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/**
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* Java 运行时环境规范版本的KEY
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*/
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public final static String SPECIFICATION_VERSION = SystemPropsKeys.SPECIFICATION_VERSION;
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/** Java 运行时环境供应商的KEY */
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/**
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* Java 运行时环境供应商的KEY
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*/
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public final static String VENDOR = SystemPropsKeys.VENDOR;
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/** Java 运行时环境规范供应商的KEY */
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/**
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* Java 运行时环境规范供应商的KEY
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*/
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public final static String SPECIFICATION_VENDOR = SystemPropsKeys.SPECIFICATION_VENDOR;
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/** Java 供应商的 URL的KEY */
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/**
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* Java 供应商的 URL的KEY
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*/
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public final static String VENDOR_URL = SystemPropsKeys.VENDOR_URL;
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/** Java 安装目录的KEY */
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/**
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* Java 安装目录的KEY
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*/
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public final static String HOME = SystemPropsKeys.HOME;
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/** 加载库时搜索的路径列表的KEY */
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/**
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* 加载库时搜索的路径列表的KEY
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*/
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public final static String LIBRARY_PATH = SystemPropsKeys.LIBRARY_PATH;
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/** 默认的临时文件路径的KEY */
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/**
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* 默认的临时文件路径的KEY
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*/
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public final static String TMPDIR = SystemPropsKeys.TMPDIR;
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/** 要使用的 JIT 编译器的名称的KEY */
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/**
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* 要使用的 JIT 编译器的名称的KEY
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*/
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public final static String COMPILER = SystemPropsKeys.COMPILER;
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/** 一个或多个扩展目录的路径的KEY */
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/**
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* 一个或多个扩展目录的路径的KEY
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*/
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public final static String EXT_DIRS = SystemPropsKeys.EXT_DIRS;
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// ----- Java虚拟机信息 -----/
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/** Java 虚拟机实现名称的KEY */
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/**
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* Java 虚拟机实现名称的KEY
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*/
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public final static String VM_NAME = SystemPropsKeys.VM_NAME;
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/** Java 虚拟机规范名称的KEY */
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/**
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* Java 虚拟机规范名称的KEY
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*/
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public final static String VM_SPECIFICATION_NAME = SystemPropsKeys.VM_SPECIFICATION_NAME;
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/** Java 虚拟机实现版本的KEY */
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/**
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* Java 虚拟机实现版本的KEY
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*/
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public final static String VM_VERSION = SystemPropsKeys.VM_VERSION;
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/** Java 虚拟机规范版本的KEY */
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/**
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* Java 虚拟机规范版本的KEY
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*/
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public final static String VM_SPECIFICATION_VERSION = SystemPropsKeys.VM_SPECIFICATION_VERSION;
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/** Java 虚拟机实现供应商的KEY */
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/**
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* Java 虚拟机实现供应商的KEY
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*/
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public final static String VM_VENDOR = SystemPropsKeys.VM_VENDOR;
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/** Java 虚拟机规范供应商的KEY */
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/**
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* Java 虚拟机规范供应商的KEY
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*/
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public final static String VM_SPECIFICATION_VENDOR = SystemPropsKeys.VM_SPECIFICATION_VENDOR;
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// ----- Java类信息 -----/
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/** Java 类格式版本号的KEY */
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/**
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* Java 类格式版本号的KEY
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*/
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public final static String CLASS_VERSION = SystemPropsKeys.CLASS_VERSION;
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/** Java 类路径的KEY */
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/**
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* Java 类路径的KEY
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*/
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public final static String CLASS_PATH = SystemPropsKeys.CLASS_PATH;
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// ----- OS信息 -----/
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/** 操作系统的名称的KEY */
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/**
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* 操作系统的名称的KEY
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*/
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public final static String OS_NAME = SystemPropsKeys.OS_NAME;
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/** 操作系统的架构的KEY */
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/**
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* 操作系统的架构的KEY
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*/
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public final static String OS_ARCH = SystemPropsKeys.OS_ARCH;
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/** 操作系统的版本的KEY */
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/**
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* 操作系统的版本的KEY
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*/
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public final static String OS_VERSION = SystemPropsKeys.OS_VERSION;
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/** 文件分隔符（在 UNIX 系统中是“/”）的KEY */
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/**
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* 文件分隔符（在 UNIX 系统中是“/”）的KEY
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*/
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public final static String FILE_SEPARATOR = SystemPropsKeys.FILE_SEPARATOR;
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/** 路径分隔符（在 UNIX 系统中是“:”）的KEY */
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/**
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* 路径分隔符（在 UNIX 系统中是“:”）的KEY
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*/
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public final static String PATH_SEPARATOR = SystemPropsKeys.PATH_SEPARATOR;
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/** 行分隔符（在 UNIX 系统中是“\n”）的KEY */
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/**
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* 行分隔符（在 UNIX 系统中是“\n”）的KEY
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*/
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public final static String LINE_SEPARATOR = SystemPropsKeys.LINE_SEPARATOR;
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// ----- 用户信息 -----/
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/** 用户的账户名称的KEY */
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/**
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* 用户的账户名称的KEY
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*/
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public final static String USER_NAME = SystemPropsKeys.USER_NAME;
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/** 用户的主目录的KEY */
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/**
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* 用户的主目录的KEY
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*/
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public final static String USER_HOME = SystemPropsKeys.USER_HOME;
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/** 用户的当前工作目录的KEY */
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/**
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* 用户的当前工作目录的KEY
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*/
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public final static String USER_DIR = SystemPropsKeys.USER_DIR;
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// ----------------------------------------------------------------------- Basic start
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/**
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* 取得系统属性，如果因为Java安全的限制而失败，则将错误打在Log中，然后返回 <code>null</code>。
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*
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* @param name 属性名
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* 取得系统属性，如果因为Java安全的限制而失败，则将错误打在Log中，然后返回 defaultValue
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*
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* @param name 属性名
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* @param defaultValue 默认值
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* @return 属性值或<code>null</code>
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* @return 属性值或defaultValue
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* @see System#getProperty(String)
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* @see System#getenv(String)
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*/
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public static String get(String name, String defaultValue) {
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return StrUtil.nullToDefault(get(name, false), defaultValue);
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}
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/**
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* 取得系统属性，如果因为Java安全的限制而失败，则将错误打在Log中，然后返回 <code>null</code>。
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*
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* @param name 属性名
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* 取得系统属性，如果因为Java安全的限制而失败，则将错误打在Log中，然后返回 {@code null}
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*
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* @param name 属性名
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* @param quiet 安静模式，不将出错信息打在<code>System.err</code>中
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*
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* @return 属性值或<code>null</code>
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* @return 属性值或{@code null}
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* @see System#getProperty(String)
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* @see System#getenv(String)
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*/
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public static String get(String name, boolean quiet) {
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String value = null;
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try {
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return System.getProperty(name);
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value = System.getProperty(name);
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} catch (SecurityException e) {
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if (false == quiet) {
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Console.error("Caught a SecurityException reading the system property '{}'; the SystemUtil property value will default to null.", name);
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Console.error("Caught a SecurityException reading the system property '{}'; " +
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"the SystemUtil property value will default to null.", name);
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}
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return null;
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}
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if (null == value) {
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try {
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value = System.getenv(name);
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} catch (SecurityException e) {
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if (false == quiet) {
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Console.error("Caught a SecurityException reading the system env '{}'; " +
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"the SystemUtil env value will default to null.", name);
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}
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}
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}
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return value;
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}
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/**
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* 获得System属性（调用System.getProperty）
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*
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* 获得System属性
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*
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* @param key 键
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* @return 属性值
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* @see System#getProperty(String)
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* @see System#getenv(String)
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*/
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public static String get(String key) {
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return get(key, null);
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@ -138,8 +212,8 @@ public class SystemUtil {
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/**
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* 获得boolean类型值
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*
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* @param key 键
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*
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* @param key 键
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* @param defaultValue 默认值
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* @return 值
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*/
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@ -154,21 +228,13 @@ public class SystemUtil {
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return true;
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}
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if ("true".equals(value) || "yes".equals(value) || "1".equals(value)) {
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return true;
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}
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if ("false".equals(value) || "no".equals(value) || "0".equals(value)) {
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return false;
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}
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return defaultValue;
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return Convert.toBool(value, defaultValue);
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}
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/**
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* 获得int类型值
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*
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* @param key 键
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*
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* @param key 键
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* @param defaultValue 默认值
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* @return 值
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*/
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@ -178,8 +244,8 @@ public class SystemUtil {
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/**
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* 获得long类型值
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*
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* @param key 键
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*
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* @param key 键
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* @param defaultValue 默认值
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* @return 值
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*/
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@ -196,7 +262,7 @@ public class SystemUtil {
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/**
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* 获取当前进程 PID
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*
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*
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* @return 当前进程 ID
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*/
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public static long getCurrentPID() {
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@ -266,34 +332,29 @@ public class SystemUtil {
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}
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/**
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* Returns a list of {@link MemoryPoolMXBean} objects in the Java virtual machine. <br>
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* 获取Java虚拟机中的{@link MemoryPoolMXBean}列表<br>
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* The Java virtual machine can have one or more memory pools. It may add or remove memory pools during execution.
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*
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* @return a list of <tt>MemoryPoolMXBean</tt> objects.
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*
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*/
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public static List<MemoryPoolMXBean> getMemoryPoolMXBeans() {
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return ManagementFactory.getMemoryPoolMXBeans();
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}
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/**
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* Returns a list of {@link MemoryManagerMXBean} objects in the Java virtual machine. <br>
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* 获取Java虚拟机中的{@link MemoryManagerMXBean}列表<br>
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* The Java virtual machine can have one or more memory managers. It may add or remove memory managers during execution.
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*
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* @return a list of <tt>MemoryManagerMXBean</tt> objects.
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*
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*/
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public static List<MemoryManagerMXBean> getMemoryManagerMXBeans() {
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return ManagementFactory.getMemoryManagerMXBeans();
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}
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/**
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* Returns a list of {@link GarbageCollectorMXBean} objects in the Java virtual machine. <br>
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* The Java virtual machine may have one or more <tt>GarbageCollectorMXBean</tt> objects. <br>
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* It may add or remove <tt>GarbageCollectorMXBean</tt> during execution.
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*
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* @return a list of <tt>GarbageCollectorMXBean</tt> objects.
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* 获取Java虚拟机中的{@link GarbageCollectorMXBean}列表
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*
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* @return {@link GarbageCollectorMXBean}列表
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*/
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public static List<GarbageCollectorMXBean> getGarbageCollectorMXBeans() {
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return ManagementFactory.getGarbageCollectorMXBeans();
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@ -301,7 +362,7 @@ public class SystemUtil {
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/**
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* 取得Java Virtual Machine Specification的信息。
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*
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*
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* @return <code>JvmSpecInfo</code>对象
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*/
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public static JvmSpecInfo getJvmSpecInfo() {
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@ -310,7 +371,7 @@ public class SystemUtil {
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/**
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* 取得Java Virtual Machine Implementation的信息。
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*
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*
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* @return <code>JvmInfo</code>对象
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*/
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public static JvmInfo getJvmInfo() {
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@ -319,7 +380,7 @@ public class SystemUtil {
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/**
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* 取得Java Specification的信息。
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*
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*
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* @return <code>JavaSpecInfo</code>对象
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*/
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public static JavaSpecInfo getJavaSpecInfo() {
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@ -328,7 +389,7 @@ public class SystemUtil {
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/**
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* 取得Java Implementation的信息。
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*
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*
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* @return <code>JavaInfo</code>对象
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*/
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public static JavaInfo getJavaInfo() {
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@ -337,7 +398,7 @@ public class SystemUtil {
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/**
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* 取得当前运行的JRE的信息。
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*
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*
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* @return <code>JreInfo</code>对象
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*/
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public static JavaRuntimeInfo getJavaRuntimeInfo() {
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@ -346,7 +407,7 @@ public class SystemUtil {
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/**
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* 取得OS的信息。
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*
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*
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* @return <code>OsInfo</code>对象
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*/
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public static OsInfo getOsInfo() {
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@ -355,7 +416,7 @@ public class SystemUtil {
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/**
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* 取得User的信息。
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*
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*
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* @return <code>UserInfo</code>对象
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*/
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public static UserInfo getUserInfo() {
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@ -364,7 +425,7 @@ public class SystemUtil {
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/**
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* 取得Host的信息。
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*
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*
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* @return <code>HostInfo</code>对象
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*/
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public static HostInfo getHostInfo() {
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@ -373,7 +434,7 @@ public class SystemUtil {
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/**
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* 取得Runtime的信息。
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*
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*
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* @return <code>RuntimeInfo</code>对象
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*/
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public static RuntimeInfo getRuntimeInfo() {
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@ -382,7 +443,7 @@ public class SystemUtil {
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/**
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* 获取JVM中内存总大小
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*
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*
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* @return 内存总大小
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* @since 4.5.4
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*/
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@ -392,7 +453,7 @@ public class SystemUtil {
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|
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/**
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* 获取JVM中内存剩余大小
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*
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*
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* @return 内存剩余大小
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* @since 4.5.4
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*/
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@ -402,7 +463,7 @@ public class SystemUtil {
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/**
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* 获取JVM可用的内存总大小
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*
|
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*
|
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* @return JVM可用的内存总大小
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* @since 4.5.4
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*/
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@ -412,18 +473,19 @@ public class SystemUtil {
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|
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/**
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* 获取总线程数
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*
|
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*
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* @return 总线程数
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*/
|
||||
public static int getTotalThreadCount() {
|
||||
ThreadGroup parentThread = Thread.currentThread().getThreadGroup();
|
||||
while(null != parentThread.getParent()) {
|
||||
while (null != parentThread.getParent()) {
|
||||
parentThread = parentThread.getParent();
|
||||
}
|
||||
return parentThread.activeCount();
|
||||
}
|
||||
|
||||
// ------------------------------------------------------------------ Dump
|
||||
|
||||
/**
|
||||
* 将系统信息输出到<code>System.out</code>中。
|
||||
*/
|
||||
@ -433,7 +495,7 @@ public class SystemUtil {
|
||||
|
||||
/**
|
||||
* 将系统信息输出到指定<code>PrintWriter</code>中。
|
||||
*
|
||||
*
|
||||
* @param out <code>PrintWriter</code>输出流
|
||||
*/
|
||||
public static void dumpSystemInfo(PrintWriter out) {
|
||||
@ -461,10 +523,10 @@ public class SystemUtil {
|
||||
|
||||
/**
|
||||
* 输出到<code>StringBuilder</code>。
|
||||
*
|
||||
*
|
||||
* @param builder <code>StringBuilder</code>对象
|
||||
* @param caption 标题
|
||||
* @param value 值
|
||||
* @param value 值
|
||||
*/
|
||||
protected static void append(StringBuilder builder, String caption, Object value) {
|
||||
builder.append(caption).append(StrUtil.nullToDefault(Convert.toStr(value), "[n/a]")).append("\n");
|
||||
|
||||
Loading…
Reference in New Issue
Block a user