?? configuration.java
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/*
* Created on 2006-1-19
*
* TODO To change the template for this generated file go to
* Window - Preferences - Java - Code Style - Code Templates
*/
package cn.com.aheadsoft.conndb;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
/**
* @author baoyabin
* @version 1.0
*/
public class Configuration {
private Properties properties;
private final static Configuration cfg = new Configuration();
private Configuration() {
properties = new Properties();
InputStream is = null;
try {
is = getClass().getResourceAsStream("/connect.properties");
properties.load(is);
} catch (Exception exception) {
System.out.println("Can't read the properties file. ");
} finally {
try {
if (is != null)
is.close();
} catch (IOException exception) {
// ignored
}
}
}
/**
* Use singleton pattern, only return one instance of Configuration.
* @return Configuration
*/
public static Configuration getInstance() {
return cfg;
}
/**
* Retun a value for certain key.
* @param key a certain key define in properties file.
* @return value
*/
public String getValue(String key) {
return properties.getProperty(key);
}
}
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