com.netsteadfast.greenstep.util.LocaleLanguageUtils.java Source code

Introduction

Here is the source code for com.netsteadfast.greenstep.util.LocaleLanguageUtils.java

Source

/* 
 * Copyright 2012-2016 bambooCORE, greenstep of copyright Chen Xin Nien
 * 
 * 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.
 * 
 * -----------------------------------------------------------------------
 * 
 * author:    Chen Xin Nien
 * contact: chen.xin.nien@gmail.com
 * 
 */
package com.netsteadfast.greenstep.util;

import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;

import org.apache.commons.io.IOUtils;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.netsteadfast.greenstep.base.Constants;

public class LocaleLanguageUtils {
    private static final String _CONFIG = "META-INF/lang.json";
    private static String _datas = " { } ";
    private static Map<String, Object> _configDataMap;

    static {
        try {
            InputStream is = LocaleLanguageUtils.class.getClassLoader().getResource(_CONFIG).openStream();
            _datas = IOUtils.toString(is, Constants.BASE_ENCODING);
            is.close();
            is = null;
            _configDataMap = loadDatas();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (null == _configDataMap) {
                _configDataMap = new HashMap<String, Object>();
            }
        }
    }

    @SuppressWarnings("unchecked")
    public static Map<String, Object> loadDatas() {
        Map<String, Object> datas = null;
        try {
            datas = (Map<String, Object>) new ObjectMapper().readValue(_datas, LinkedHashMap.class);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return datas;
    }

    @SuppressWarnings("unchecked")
    public static Map<String, Object> getMap() {
        return (Map<String, Object>) _configDataMap.get("langs");
    }

    public static String getDefault() {
        return (String) _configDataMap.get("default");
    }

    public static void main(String args[]) throws Exception {
        Map<String, Object> langs = getMap();
        System.out.println(langs);
        System.out.println(getDefault());
    }

}