饿汉模式
package PropertyHoder;
import java.io.IOException;
import java.util.Properties;
public class Hungery {
private static Properties pro=new Properties();
static {
try {
pro.load(Hungery.class.getClassLoader().getResourceAsStream("collect.properties"));
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static Properties getProps(){
return pro;
}
public static void main(String[] args) {
Properties pro=Hungery.getProps();
System.out.println(pro.getProperty("LOG_SOURCE_DIR"));
}
}
懒汉模式
package PropertyHoder;
import java.io.IOException;
import java.util.Properties;
public class Lazy {
private static Properties pro=null;
public static Properties getPros() throws IOException{
if(pro==null){
synchronized(Lazy.class){
if(pro==null){
pro.load(Hungery.class.getClassLoader().getResourceAsStream("collect.properties"));
}
}
}
return pro;
}
public static void main(String[] args) {
Properties pro=Hungery.getProps();
System.out.println(pro.getProperty("LOG_SOURCE_DIR"));
}
}
系统参数
LOG_SOURCE_DIR=d:/logs/accesslog/
LOG_TOUPLOAD_DIR=d:/logs/toupload/
LOG_BACKUP_BASE_DIR=d:/logs/backup/
LOG_BACKUP_TIMEOUT=24
LOG_LEGAL_PREFIX=access.log.
HDFS_URI=hdfs://hdp-01:9000/
HDFS_DEST_BASE_DIR=/logs/
HDFS_FILE_PREFIX=access_log_
HDFS_FILE_SUFFIX=.log
文件目录