PropertiesConfiguration处理properties

1.url:http://blog.csdn.net/majian_1987/article/details/11144335

2.

jar:它来自commons-configuration-1.6.jar。

import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.PropertiesConfiguration;
import org.apache.commons.io.FilenameUtils;
import org.apache.commons.lang3.StringUtils;

public class PropertiesUtils {
private static String filePah = "";
private final static String fileName = "jdbc.properties";

static{
filePah = PropertiesUtils.class.getClassLoader().getResource("").getPath();
filePah += fileName;
}

public static boolean setProperty(final String key,final String value){
return setProperty(fileName,key,value);
}

public static boolean setProperty(final String fileName,final String key,final String value){
try {
PropertiesConfiguration  config = null;
if(StringUtils.isNotBlank(fileName)&&isValidExtension(fileName)){
config = new PropertiesConfiguration(fileName);
config.setProperty(key, value);
config.save();
}
return true;
} catch (ConfigurationException e) {
e.printStackTrace();
}
return false;
}

public static String getProperty(final String key){
return getProperty(fileName,key);
}

public static String getProperty(final String fileName,final String key){
String value = "";

PropertiesConfiguration  config = null;
try {
if(StringUtils.isNotBlank(fileName)&&isValidExtension(fileName)){
config = new PropertiesConfiguration(fileName);
value = config.getString(key);
}
} catch (ConfigurationException e) {
e.printStackTrace();
}
return value;
}

private static boolean isValidExtension(final String fileName){
String extension = FilenameUtils.getExtension(fileName);
if(StringUtils.equalsIgnoreCase(extension, "properties")){
return true;
}else{
return false;
}
}

public static void main(final String[] args){
System.out.println(PropertiesUtils.getProperty("key"));
}
}

3.PropertiesUtils.java