filehellostr.java

《精通Spring》源代码

/*
 * Created on 2004-10-16
 *
 * http://www.open-v.com 提供代码的维护工作
 */
package com.openv.spring;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;

import java.util.Properties;

/**
 * 基于文件形式，读取HelloWorld所需的字符串。
 * 
 * @author luoshifei
 */
public class FileHelloStr implements HelloStr {
    protected static final Log log = LogFactory.getLog(FileHelloStr.class);

    private String propfilename;

    public FileHelloStr(String propfilename) {
        this.propfilename = propfilename;
    }

    public String getContent() {
        String helloworld = "";

        try {
            Properties properties = new Properties();
            InputStream is = getClass().getClassLoader().getResourceAsStream(
                    propfilename);
            properties.load(is);
            is.close();
            helloworld = properties.getProperty("helloworld");
        } catch (FileNotFoundException ex) {
            log.error(ex);
        } catch (IOException ex) {
            log.error(ex);
        }

        return helloworld;
    }
}