com.foxinmy.weixin4j.util.Weixin4jConfigUtil Maven / Gradle / Ivy

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package com.foxinmy.weixin4j.util;

import java.util.MissingResourceException;
import java.util.ResourceBundle;

import com.alibaba.fastjson.JSON;
import com.foxinmy.weixin4j.model.WeixinAccount;

/**
 * 公众号配置信息 class路径下weixin4j.properties文件
 *
 * @className Weixin4jConfigUtil
 * @author jinyu([email protected])
 * @date 2014年10月31日
 * @since JDK 1.6
 * @see
 */
public class Weixin4jConfigUtil {
    private final static String CLASSPATH_PREFIX = "classpath:";
    private final static String CLASSPATH_VALUE;
    public final static ClassLoader CLASSLOADER;
    private static ResourceBundle weixinBundle;
    static {
        CLASSLOADER = Thread.currentThread().getContextClassLoader();
        CLASSPATH_VALUE = CLASSLOADER.getResource("").getPath();
        try {
            weixinBundle = ResourceBundle.getBundle(Consts.WEIXIN4J);
        } catch (MissingResourceException e) {
            ;
        }
    }

    private final static String WEIXIN4J_PREFIX = "weixin4j";

    private static String wrapKeyName(String key) {
        if (!key.startsWith(WEIXIN4J_PREFIX)) {
            return String.format("%s.%s", WEIXIN4J_PREFIX, key);
        }
        return key;
    }

    /**
     * 获取weixin4j.properties文件中的key值
     *
     * @param key
     * @return
     */
    public static String getValue(String key) {
        String wrapKey = wrapKeyName(key);
        return System.getProperty(wrapKey, weixinBundle.getString(wrapKey));
    }

    /**
     * key不存在时则返回传入的默认值
     *
     * @param key
     * @param defaultValue
     * @return
     */
    public static String getValue(String key, String defaultValue) {
        String value = defaultValue;
        try {
            value = getValue(key);
            if (StringUtil.isBlank(value)) {
                value = defaultValue;
            }
        } catch (MissingResourceException e) {
            ;
        } catch (NullPointerException e) {
            ;
        }
        return value;
    }

    /**
     * 判断属性是否存在[classpath:]如果存在则拼接项目路径后返回 一般用于文件的绝对路径获取
     *
     * @param key
     * @return
     */
    public static String getClassPathValue(String key) {
        return replaceClassPathValue(getValue(key));
    }

    /**
     *
     * @param key
     * @param defaultValue
     * @return
     */
    public static String getClassPathValue(String key, String defaultValue) {
        return replaceClassPathValue(getValue(key, defaultValue));
    }

    public static String replaceClassPathValue(String value) {
        return value.replaceFirst(CLASSPATH_PREFIX, CLASSPATH_VALUE);
    }

    /**
     * 获取微信账号信息
     *
     * @return 微信账号信息
     */
    public static WeixinAccount getWeixinAccount() {
        WeixinAccount account = null;
        try {
            account = JSON.parseObject(getValue("account"), WeixinAccount.class);
        } catch (NullPointerException e) {
            System.err.println("'weixin4j.account' key not found in weixin4j.properties.");
        } catch (MissingResourceException e) {
            System.err.println("'weixin4j.account' key not found in weixin4j.properties.");
        }
        return account;
    }
}