package com.awsle.aibatis.io;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

/**
 * 
 * @author 席有芳
 * @url http://code.awsle.com/index.php/p/aibatis/
 * @mail 951868171@qq.com
 * @version 1.0
 * @since aibatis-Alpha1.0.zip
 */
public class XmlLoader {

	
	/**
	 * 获取模板内容
	 * @param tplPath
	 * 			获取模板内容
	 * @return
	 */
	public static String loadXml(String filePath){
		return loadXmlByStream(loadXmlInputStreamByPath(filePath));
	}
	
	/**
	 * 
	 * @param filePath
	 * @return
	 */
	public static InputStream loadXmlInputStreamByPath(String filePath){
		InputStream inputStream = null;
		ClassLoader classLoader = new XmlLoader().getClass().getClassLoader();
		inputStream = classLoader.getResourceAsStream(filePath);
		return inputStream;
	}
	
	/**
	 * 
	 * @param is
	 * @return
	 */
	public static String loadXmlByStream(InputStream is){
		InputStream inputStream = null;
		InputStreamReader inputStreamReader = null;
		BufferedReader bufferedReader = null;
		inputStreamReader = new InputStreamReader(is);
		bufferedReader = new BufferedReader(inputStreamReader);
		String line = "";
		StringBuffer sb = new StringBuffer();
		try {
			while ((line = bufferedReader.readLine()) != null) {
				sb.append(line);
				sb.append("\n");
			}
		} catch (IOException e) {
			e.printStackTrace();
		}finally{
			try {
				if(null != inputStream){
					inputStream.close();
				}
				if(null != inputStreamReader){
					inputStreamReader.close();
				}
				if(null != bufferedReader){
					bufferedReader.close();
				}
			} catch (IOException e) {
					e.printStackTrace();
			}
			
		}
		return sb.toString();
	}
	
}