/**
?*
?*?（C）?Copyright?2008-2011?syslog4j.org
?*
?*?All?rights?reserved.?This?program?and?the?accompanying?materials
?*?are?made?available?under?the?terms?of?the?GNU?Lesser?General?Public?License
?*?（LGPL）?version?2.1?which?accompanies?this?distribution?and?is?available?at
?*?http://www.gnu.org/licenses/lgpl-2.1.html
?*
?*?This?library?is?distributed?in?the?hope?that?it?will?be?useful
?*?but?WITHOUT?ANY?WARRANTY;?without?even?the?implied?warranty?of
?*?MERCHANTABILITY?or?FITNESS?FOR?A?PARTICULAR?PURPOSE.?See?the?GNU
?*?Lesser?General?Public?License?for?more?details.
?*/
package?com.nesscomputing.syslog4j;

import?java.util.Iterator;
import?java.util.Map;
import?java.util.Set;

import?org.apache.commons.lang3.StringUtils;

import?com.google.common.base.Preconditions;
import?com.google.common.collect.Maps;
import?com.nesscomputing.syslog4j.impl.net.tcp.TCPNetSyslogConfig;
import?com.nesscomputing.syslog4j.impl.net.udp.UDPNetSyslogConfig;
import?com.nesscomputing.syslog4j.impl.unix.UnixSyslogConfig;
import?com.nesscomputing.syslog4j.impl.unix.socket.UnixSocketSyslogConfig;
import?com.nesscomputing.syslog4j.util.OSDetectUtility;
import?com.nesscomputing.syslog4j.util.SyslogUtility;

/**
?*?This?class?provides?a?Singleton?interface?for?Syslog4j?client?implementations.
?*
?*?
Usage?examples:

?*
?*?Direct
?*?

?*?Syslog.getInstance（“udp“）.info（“log?message“）;
?*?

?*
?*?Via?Instance
?*?

?*?SyslogIF?syslog?=?Syslog.getInstance（“udp“）;
?*?syslog.info（）;
?*?

?*
?*?
Syslog4j?is?licensed?under?the?Lesser?GNU?Public?License?v2.1.??A?copy
?*?of?the?LGPL?license?is?available?in?the?meta-INF?folder?in?all
?*?distributions?of?Syslog4j?and?in?the?base?directory?of?the?“doc“?ZIP.

?*
?*?@author?<syslog4j@productivity.org>
?*?@version?$Id:?Syslog.javav?1.23?2011/01/23?20:49:12?cvs?Exp?$
?*/
public?final?class?Syslog
{
????protected?static?final?Map?instances?=?Maps.newHashMap（）;

????/**
?????*?Set?up?the?default?TCP?and?UDP?Syslog?protocols?as
?????*?well?as?UNIX_SYSLOG?and?UNIX_SOCKET?（if?running?on?a?Unix-based?system）.
?????*/
????static?{
????????initialize（）;
????}

????/**
?????*?Syslog?is?a?singleton.
?????*/
????private?Syslog（）?{
????????//
????}

????/**
?????*?Use?getInstance（protocol）?as?the?starting?point?for?Syslog4j.
?????*
?????*?@param?protocol?-?the?Syslog?protocol?to?use?e.g.?“udp“?“tcp“?“unix_syslog“?“unix_socket“?or?a?custom?protocol
?????*?@return?Returns?an?instance?of?SyslogIF.
?????*?@throws?SyslogRuntimeException
?????*/
????public?static?SyslogIF?getInstance（String?protocol）?throws?SyslogRuntimeException?{
????????String?_protocol?=?protocol.toLowerCase（）;

????????if?（instances.containsKey（_protocol））?{
????????????return?instances.get（_protocol）;

????????}?else?{
????????????StringBuffer?message?=?new?StringBuffer（“Syslog?protocol?\““?+?protocol?+?“\“?not?defined;?call?Sys

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-10-28?17:59??syslog4j-master\
?????文件?????????131??2014-10-28?17:59??syslog4j-master\.gitignore
?????文件???????26530??2014-10-28?17:59??syslog4j-master\LICENSE.txt
?????文件?????????200??2014-10-28?17:59??syslog4j-master\README.md
?????目錄???????????0??2014-10-28?17:59??syslog4j-master\certs\
?????文件????????2211??2014-10-28?17:59??syslog4j-master\certs\ssltest.jks
?????文件????????3852??2014-10-28?17:59??syslog4j-master\pom.xml
?????目錄???????????0??2014-10-28?17:59??syslog4j-master\src\
?????目錄???????????0??2014-10-28?17:59??syslog4j-master\src\main\
?????目錄???????????0??2014-10-28?17:59??syslog4j-master\src\main\java\
?????目錄???????????0??2014-10-28?17:59??syslog4j-master\src\main\java\com\
?????目錄???????????0??2014-10-28?17:59??syslog4j-master\src\main\java\com\nesscomputing\
?????目錄???????????0??2014-10-28?17:59??syslog4j-master\src\main\java\com\nesscomputing\syslog4j\
?????文件????????9794??2014-10-28?17:59??syslog4j-master\src\main\java\com\nesscomputing\syslog4j\Syslog.java
?????文件????????2721??2014-10-28?17:59??syslog4j-master\src\main\java\com\nesscomputing\syslog4j\SyslogBackLogHandlerIF.java
?????文件????????1241??2014-10-28?17:59??syslog4j-master\src\main\java\com\nesscomputing\syslog4j\SyslogCharSetIF.java
?????文件????????2975??2014-10-28?17:59??syslog4j-master\src\main\java\com\nesscomputing\syslog4j\SyslogConfigIF.java
?????文件????????7222??2014-10-28?17:59??syslog4j-master\src\main\java\com\nesscomputing\syslog4j\SyslogConstants.java
?????文件????????1739??2014-10-28?17:59??syslog4j-master\src\main\java\com\nesscomputing\syslog4j\SyslogFacility.java
?????文件????????2712??2014-10-28?17:59??syslog4j-master\src\main\java\com\nesscomputing\syslog4j\SyslogIF.java
?????文件????????1463??2014-10-28?17:59??syslog4j-master\src\main\java\com\nesscomputing\syslog4j\SyslogLevel.java
?????文件????????7976??2014-10-28?17:59??syslog4j-master\src\main\java\com\nesscomputing\syslog4j\SyslogMain.java
?????文件????????1171??2014-10-28?17:59??syslog4j-master\src\main\java\com\nesscomputing\syslog4j\SyslogMessageIF.java
?????文件????????1359??2014-10-28?17:59??syslog4j-master\src\main\java\com\nesscomputing\syslog4j\SyslogMessageModifierConfigIF.java
?????文件????????1299??2014-10-28?17:59??syslog4j-master\src\main\java\com\nesscomputing\syslog4j\SyslogMessageModifierIF.java
?????文件????????1563??2014-10-28?17:59??syslog4j-master\src\main\java\com\nesscomputing\syslog4j\SyslogMessageProcessorIF.java
?????文件????????2385??2014-10-28?17:59??syslog4j-master\src\main\java\com\nesscomputing\syslog4j\SyslogPoolConfigIF.java
?????文件????????1582??2014-10-28?17:59??syslog4j-master\src\main\java\com\nesscomputing\syslog4j\SyslogRuntimeException.java
?????目錄???????????0??2014-10-28?17:59??syslog4j-master\src\main\java\com\nesscomputing\syslog4j\impl\
?????文件???????14724??2014-10-28?17:59??syslog4j-master\src\main\java\com\nesscomputing\syslog4j\impl\AbstractSyslog.java
?????文件???????12975??2014-10-28?17:59??syslog4j-master\src\main\java\com\nesscomputing\syslog4j\impl\AbstractSyslogConfig.java
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