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/*
 * Copyright (c) 2013-2024 Hutool Team and hutool.cn
 *
 * 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 org.dromara.hutool.extra.management;

import org.dromara.hutool.core.text.StrUtil;
import org.dromara.hutool.core.util.SystemUtil;

import java.io.File;
import java.io.Serializable;

/**
 * 代表当前用户的信息。
 */
public class UserInfo implements Serializable{
	private static final long serialVersionUID = 1L;

	private final String USER_NAME;
	private final String USER_HOME;
	private final String USER_DIR;
	private final String JAVA_IO_TMPDIR;
	private final String USER_LANGUAGE;
	private final String USER_COUNTRY;

	/**
	 * 构造
	 */
	public UserInfo(){
		USER_NAME = SystemUtil.get("user.name", false);
		USER_HOME = fixPath(SystemUtil.get("user.home", false));
		USER_DIR = fixPath(SystemUtil.get("user.dir", false));
		JAVA_IO_TMPDIR = fixPath(SystemUtil.get("java.io.tmpdir", false));
		USER_LANGUAGE = SystemUtil.get("user.language", false);

		// JDK1.4 {@code user.country},JDK1.2 {@code user.region}
		String userCountry = SystemUtil.get("user.country", false);
		if(null == userCountry){
			userCountry = SystemUtil.get("user.region", false);
		}
		USER_COUNTRY = userCountry;
	}

	/**
	 * 取得当前登录用户的名字(取自系统属性:{@code user.name})。
	 *
	 * 

* 例如:{@code "admin"} *

* * @return 属性值,如果不能取得(因为Java安全限制)或值不存在,则返回{@code null}。 * * @since Java 1.1 */ public final String getName() { return USER_NAME; } /** * 取得当前登录用户的home目录(取自系统属性:{@code user.home})。 * *

* 例如:{@code "/home/admin/"} *

* * @return 属性值,如果不能取得(因为Java安全限制)或值不存在,则返回{@code null}。 * * @since Java 1.1 */ public final String getHomeDir() { return USER_HOME; } /** * 取得当前目录(取自系统属性:{@code user.dir})。 * *

* 例如:{@code "/home/admin/working/"} *

* * @return 属性值,如果不能取得(因为Java安全限制)或值不存在,则返回{@code null}。 * * @since Java 1.1 */ public final String getCurrentDir() { return USER_DIR; } /** * 取得临时目录(取自系统属性:{@code java.io.tmpdir})。 * *

* 例如:{@code "/tmp/"} *

* * @return 属性值,如果不能取得(因为Java安全限制)或值不存在,则返回{@code null}。 * * */ public final String getTempDir() { return JAVA_IO_TMPDIR; } /** * 取得当前登录用户的语言设置(取自系统属性:{@code user.language})。 * *

* 例如:{@code "zh"}、{@code "en"}等 *

* * @return 属性值,如果不能取得(因为Java安全限制)或值不存在,则返回{@code null}。 * */ public final String getLanguage() { return USER_LANGUAGE; } /** * 取得当前登录用户的国家或区域设置(取自系统属性:JDK1.4 {@code user.country}或JDK1.2 {@code user.region})。 * *

* 例如:{@code "CN"}、{@code "US"}等 *

* * @return 属性值,如果不能取得(因为Java安全限制)或值不存在,则返回{@code null}。 * */ public final String getCountry() { return USER_COUNTRY; } /** * 将当前用户的信息转换成字符串。 * * @return 用户信息的字符串表示 */ @Override public final String toString() { final StringBuilder builder = new StringBuilder(); ManagementUtil.append(builder, "User Name: ", getName()); ManagementUtil.append(builder, "User Home Dir: ", getHomeDir()); ManagementUtil.append(builder, "User Current Dir: ", getCurrentDir()); ManagementUtil.append(builder, "User Temp Dir: ", getTempDir()); ManagementUtil.append(builder, "User Language: ", getLanguage()); ManagementUtil.append(builder, "User Country: ", getCountry()); return builder.toString(); } /** * 修正路径,包括: * *
    *
  • 1. 末尾补充 /
  • *
* @param path 路径 * @return 修正后的路径 * @since 5.6.4 */ private static String fixPath(final String path){ return StrUtil.addSuffixIfNot(path, File.separator); } }




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