解析property文件

来源：互联网发布：迅雷看看有mac版吗编辑：程序博客网时间：2024/06/14 10:41
package com.jg.util;import java.io.BufferedInputStream;import java.io.FileInputStream;import java.util.Enumeration;import java.util.Map;import java.util.Properties;import java.util.TreeMap;/** * This is the single entry point for accessing configuration properties. *  */public class SystemConfig{    private static Properties mConfig;    static    {        mConfig = new Properties();                try{        //绝对路径                mConfig.load(new BufferedInputStream(new FileInputStream(System.getProperty("user.dir") + "/system-redis.properties")));                       }catch(Exception exp1){                try{                //相对路径                    mConfig.load(SystemConfig.class.getClassLoader().getResourceAsStream("system-redis.properties"));                                   }catch(Exception exp2){                    exp2.printStackTrace();                    Thread.currentThread().stop();                }        }            }             // no, you may not instantiate this class :p    private SystemConfig()    {    }    /**     * Retrieve a property value     *      * @param key     *            Name of the property     * @return String Value of property requested, null if not found     */    public static String getProperty(String key)    {        return mConfig.getProperty(key);    }    public static String getProperty(String key, String defaultValue)    {             String value = SystemConfig.getProperty(key);        if (value == null)        {            return defaultValue;        }        return value;    }    /**     * Retrieve a property as a boolean ... defaults to false if not present.     */    public static boolean getBooleanProperty(String name)    {        return getBooleanProperty(name, false);    }    /**     * Retrieve a property as a boolean ... with specified default if not present.     */    public static boolean getBooleanProperty(String name, boolean defaultValue)    {        // get the value first, then convert        String value = SystemConfig.getProperty(name);        if (value == null)        {            return defaultValue;        }        return (new Boolean(value)).booleanValue();    }    /**     * Retrieve a property as a int ... defaults to 0 if not present.     *      * @param name     * @return     */    public static int getIntProperty(String name)    {        return getIntProperty(name, 0);    }    /**     * 返回指定默认值     *      * @param name     * @param defaultValue     * @return     */    public static int getIntProperty(String name, int defaultValue)    {        // get the value first, then convert        String value = SystemConfig.getProperty(name);        if (value == null)        {            return defaultValue;        }        try        {            return Integer.parseInt(value);        }        catch (NumberFormatException e)        {            return defaultValue;        }    }    /**     * 返回指定默认值的int数组     *      * @param name     * @param defaultValue     * @author wondtech liangming     * @date 2008-07-25     * @return int[]     */    public static int[] getIntPropertyArray(String name, int[] defaultValue)    {        // get the value first, then convert        String value = SystemConfig.getProperty(name);        if (value == null)        {            return defaultValue;        }        try        {            String[] propertyArray = value.split(",");// 将字符用逗开分离            int[] result = new int[propertyArray.length];            for (int i = 0; i < propertyArray.length; i++)            {//                 result[i] = Integer.parseInt(propertyArray[i]);            }            return result;        }        catch (NumberFormatException e)        {            return defaultValue;        }    }    /**     * 返回指定默认值的boolean数组     *      * @param name     * @param defaultValue     * @author wondtech liangming     * @date 2008-07-25     * @return boolean[]     */    public static boolean[] getBooleanPropertyArray(String name, boolean[] defaultValue)    {        // get the value first, then convert        String value = SystemConfig.getProperty(name);        if (value == null)        {            return defaultValue;        }        try        {            String[] propertyArray = value.split(",");// 将字符用逗开分离            boolean[] result = new boolean[propertyArray.length];            for (int i = 0; i < propertyArray.length; i++)            {//                 result[i] = (new Boolean(propertyArray[i])).booleanValue();            }            return result;        }        catch (NumberFormatException e)        {            return defaultValue;        }    }    /**     * 返回指定默认值的str数组     *      * @param name     * @param defaultValue     * @author wondtech liangming     * @date 2008-07-25     * @return String[]     */    public static String[] getPropertyArray(String name, String[] defaultValue)    {        // get the value first, then convert        String value = SystemConfig.getProperty(name);        if (value == null)        {            return defaultValue;        }        try        {            String[] propertyArray = value.split(",");// 将字符用逗开分离            return propertyArray;        }        catch (NumberFormatException e)        {            return defaultValue;        }    }    /**     * 返回指定默认值的str数组     *      * @param name     * @param defaultValue     * @author wondtech liangming     * @date 2008-07-25     * @return String[]     */    public static String[] getPropertyArray(String name)    {        // get the value first, then convert        String value = SystemConfig.getProperty(name);        if (value == null)        {            return null;        }        try        {            String[] propertyArray = value.split(",");// 将字符用逗开分离            return propertyArray;        }        catch (NumberFormatException e)        {            return null;        }    }    /**     * Retrieve all property keys     *      * @return Enumeration A list of all keys     */    public static Enumeration keys()    {        return mConfig.keys();    }        public static Map<String,Object> getPropertyMap(String name)    {        String[] maps = getPropertyArray(name);        Map<String,Object> map = new TreeMap<String,Object>();        try        {            for (String str : maps)            {                String[] array = str.split(":");                if (array.length > 1)                {                    map.put(array[0], array[1]);                }            }        }        catch (Exception e)        {                       e.printStackTrace();        }        return map;    }}
0 0