XML,JSON格式化以及文件读写封装

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package com.org.utils;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.HashMap;
import java.util.Map;

import org.dom4j.Document;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.XMLWriter;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonElement;
import com.google.gson.JsonParser;
/**
 *@CopyRight:liangjilong
 *@DEMO:midu
 *@Author:jilongliang
 *@Email:[email protected]
 *@Date:2014-1-25
 */
public class HadlerUtil {
	 private static String content = "",line=System.getProperty("line.separator");//换行相当于\n  
	/**
	 * 读文件流
	 * @param formPath从哪里读取的文件路径
	 * @return
	 */
	public static Map readConfig(String formPath) {
		String content = "";
		Map map = new HashMap();
		FileReader read = null;
		BufferedReader reader = null;
		try {
			read = new FileReader(new File(formPath));
			reader = new BufferedReader(read);
			content = reader.readLine();
			while (content != null) {
				String val[] = content.split("=");
				if (val.length > 0) {
					String key = val[0];// ,分开
					map.put(key, val[1]);
				}
				content = reader.readLine();
			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				if (reader != null||read!=null)
					reader.close();	read.close();
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
		return map;
	}
	
	/** 
     * 读文件流 
     * @param formPath从哪里读取的文件路径 
     * @return 
     */  
    public static String reader(String formPath) {  
        FileReader read = null;  
        BufferedReader reader = null;  
        try {  
            read = new FileReader(new File(formPath));  
            reader = new BufferedReader(read);  
            StringBuffer buffer = new StringBuffer("");  
            content = reader.readLine();  
            while (content != null) {  
                buffer.append(content).append(line);  
                content = reader.readLine();  
            }  
            return content = buffer.toString();//返回  
        } catch (Exception e) {  
            e.printStackTrace();  
        } finally {  
            try {  
                if (reader != null)reader.close();  
                if (read != null)read.close();  
            } catch (Exception e) {  
                e.printStackTrace();  
            }  
        }  
        return "";//没值就返回空  
    }  
	/**
	 * 文件处理
	 * @param content
	 * @param toPath写到那个路径下
	 * @return
	 */
	public static boolean writer(String content, String toPath) {  
        boolean flag = true;  
        try {  
            Writer out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(toPath), "utf-8"));//设置编码  
            out.write("\n" + content);  
            out.close();  
        } catch (Exception ex) {  
            ex.printStackTrace();  
            return false;  
        }  
        return flag;  
    }  
	
	/**
	 * xml格式化,使用xml数据美化
	 * @param document
	 * @param filePath
	 * @return
	 */
	public static boolean formatAsXml(Document document) {
		boolean ret=true;
		OutputFormat format = OutputFormat.createPrettyPrint();// 格式
		format.setEncoding("utf-8");// 设置格式编码
		try {
			/** 将document中的内容写入文件中new XMLWriter(new FileWriter(new File(filename))); */
			XMLWriter writer = new XMLWriter(format);
			writer.write(document);
			writer.close();
		} catch (IOException e) {
			e.printStackTrace();
			ret=false;
		}
		return ret;
	}
	/**
	 * xml格式化,使用xml数据美化
	 * @param document
	 * @param filePath
	 * @return
	 */
	public static boolean formatAsXml(Document document, String filePath) {
		boolean ret=true;
		OutputFormat format = OutputFormat.createPrettyPrint();// 格式
		format.setEncoding("utf-8");// 设置格式编码
		try {
			/** 将document中的内容写入文件中new XMLWriter(new FileWriter(new File(filename))); */
			XMLWriter writer = new XMLWriter(new FileWriter(new File(filePath)),format);
			writer.write(document);
			writer.close();
		} catch (IOException e) {
			e.printStackTrace();
			ret=false;
		}
		return ret;
	}
	/**
	 * 格式JSON,使Json美化
	 * @param content
	 * @return
	 */
	public static String formatAsJSON(String content){
        Gson gson = new GsonBuilder().setPrettyPrinting().create();
        JsonParser jsonPar = new JsonParser();
        JsonElement jsonEl = jsonPar.parse(content);
        String prettyJson = gson.toJson(jsonEl);
        return prettyJson;

	}
	
}