一、载入工具类
/** * Copyright (c) 2005-2011 springside.org.cn * * $Id: PropertiesLoader.java 1690 2012-02-22 13:42:00Z calvinxiu $ */package com.thinkgem.jeesite.common.utils;import java.io.IOException;import java.io.InputStream;import java.util.NoSuchElementException;import java.util.Properties;import org.apache.commons.io.IOUtils;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import org.springframework.core.io.DefaultResourceLoader;import org.springframework.core.io.Resource;import org.springframework.core.io.ResourceLoader;/** * Properties文件载入工具类. 可载入多个properties文件, 相同的属性在最后载入的文件中的值将会覆盖之前的值,但以System的Property优先. * @author calvin * @version 2013-05-15 */public class PropertiesLoader { private static Logger logger = LoggerFactory.getLogger(PropertiesLoader.class); private static ResourceLoader resourceLoader = new DefaultResourceLoader(); private final Properties properties; public PropertiesLoader(String... resourcesPaths) { properties = loadProperties(resourcesPaths); } public Properties getProperties() { return properties; } /** * 取出Property,但以System的Property优先,取不到返回空字符串. */ private String getValue(String key) { String systemProperty = System.getProperty(key); if (systemProperty != null) { return systemProperty; } if (properties.containsKey(key)) { return properties.getProperty(key); } return ""; } /** * 取出String类型的Property,但以System的Property优先,如果都为Null则抛出异常. */ public String getProperty(String key) { String value = getValue(key); if (value == null) { throw new NoSuchElementException(); } return value; } /** * 取出String类型的Property,但以System的Property优先.如果都为Null则返回Default值. */ public String getProperty(String key, String defaultValue) { String value = getValue(key); return value != null ? value : defaultValue; } /** * 取出Integer类型的Property,但以System的Property优先.如果都为Null或内容错误则抛出异常. */ public Integer getInteger(String key) { String value = getValue(key); if (value == null) { throw new NoSuchElementException(); } return Integer.valueOf(value); } /** * 取出Integer类型的Property,但以System的Property优先.如果都为Null则返回Default值,如果内容错误则抛出异常 */ public Integer getInteger(String key, Integer defaultValue) { String value = getValue(key); return value != null ? Integer.valueOf(value) : defaultValue; } /** * 取出Double类型的Property,但以System的Property优先.如果都为Null或内容错误则抛出异常. */ public Double getDouble(String key) { String value = getValue(key); if (value == null) { throw new NoSuchElementException(); } return Double.valueOf(value); } /** * 取出Double类型的Property,但以System的Property优先.如果都为Null则返回Default值,如果内容错误则抛出异常 */ public Double getDouble(String key, Integer defaultValue) { String value = getValue(key); return value != null ? Double.valueOf(value) : defaultValue; } /** * 取出Boolean类型的Property,但以System的Property优先.如果都为Null抛出异常,如果内容不是true/false则返回false. */ public Boolean getBoolean(String key) { String value = getValue(key); if (value == null) { throw new NoSuchElementException(); } return Boolean.valueOf(value); } /** * 取出Boolean类型的Property,但以System的Property优先.如果都为Null则返回Default值,如果内容不为true/false则返回false. */ public Boolean getBoolean(String key, boolean defaultValue) { String value = getValue(key); return value != null ? Boolean.valueOf(value) : defaultValue; } /** * 载入多个文件, 文件路径使用Spring Resource格式. */ private Properties loadProperties(String... resourcesPaths) { Properties props = new Properties(); for (String location : resourcesPaths) {// logger.debug("Loading properties file from:" + location); InputStream is = null; try { Resource resource = resourceLoader.getResource(location); is = resource.getInputStream(); props.load(is); } catch (IOException ex) { logger.info("Could not load properties from path:" + location + ", " + ex.getMessage()); } finally { IOUtils.closeQuietly(is); } } return props; }}
二、获取配置文件信息工具
/** * Copyright © 2012-2016 JeeSite All rights reserved. */package com.thinkgem.jeesite.common.config;import java.io.File;import java.io.IOException;import java.util.Map;import org.springframework.core.io.DefaultResourceLoader;import com.ckfinder.connector.ServletContextFactory;import com.google.common.collect.Maps;import com.thinkgem.jeesite.common.utils.PropertiesLoader;import com.thinkgem.jeesite.common.utils.StringUtils;/** * 全局配置类 * @author ThinkGem * @version 2014-06-25 */public class Global { /** * 当前对象实例 */ private static Global global = new Global(); /** * 保存全局属性值 */ private static Mapmap = Maps.newHashMap(); /** * 属性文件加载对象 */ private static PropertiesLoader loader = new PropertiesLoader("jeesite.properties"); /** * 显示/隐藏 */ public static final String SHOW = "1"; public static final String HIDE = "0"; /** * 是/否 */ public static final String YES = "1"; public static final String NO = "0"; /** * 对/错 */ public static final String TRUE = "true"; public static final String FALSE = "false"; /** * 上传文件基础虚拟路径 */ public static final String USERFILES_BASE_URL = "/userfiles/"; /** * 获取当前对象实例 */ public static Global getInstance() { return global; } /** * 获取配置 * @see ${fns:getConfig('adminPath')} */ public static String getConfig(String key) { String value = map.get(key); if (value == null){ value = loader.getProperty(key); map.put(key, value != null ? value : StringUtils.EMPTY); } return value; } /** * 获取管理端根路径 */ public static String getAdminPath() { return getConfig("adminPath"); } /** * 获取前端根路径 */ public static String getFrontPath() { return getConfig("frontPath"); } /** * 获取URL后缀 */ public static String getUrlSuffix() { return getConfig("urlSuffix"); } /** * 是否是演示模式,演示模式下不能修改用户、角色、密码、菜单、授权 */ public static Boolean isDemoMode() { String dm = getConfig("demoMode"); return "true".equals(dm) || "1".equals(dm); } /** * 在修改系统用户和角色时是否同步到Activiti */ public static Boolean isSynActivitiIndetity() { String dm = getConfig("activiti.isSynActivitiIndetity"); return "true".equals(dm) || "1".equals(dm); } /** * 页面获取常量 * @see ${fns:getConst('YES')} */ public static Object getConst(String field) { try { return Global.class.getField(field).get(null); } catch (Exception e) { // 异常代表无配置,这里什么也不做 } return null; } /** * 获取上传文件的根目录 * @return */ public static String getUserfilesBaseDir() { String dir = getConfig("userfiles.basedir"); if (StringUtils.isBlank(dir)){ try { dir = ServletContextFactory.getServletContext().getRealPath("/"); } catch (Exception e) { return ""; } } if(!dir.endsWith("/")) { dir += "/"; }// System.out.println("userfiles.basedir: " + dir); return dir; } /** * 获取工程路径 * @return */ public static String getProjectPath(){ // 如果配置了工程路径,则直接返回,否则自动获取。 String projectPath = Global.getConfig("projectPath"); if (StringUtils.isNotBlank(projectPath)){ return projectPath; } try { File file = new DefaultResourceLoader().getResource("").getFile(); if (file != null){ while(true){ File f = new File(file.getPath() + File.separator + "src" + File.separator + "main"); if (f == null || f.exists()){ break; } if (file.getParentFile() != null){ file = file.getParentFile(); }else{ break; } } projectPath = file.toString(); } } catch (IOException e) { e.printStackTrace(); } return projectPath; } }