package com.geostar.query.util;

import org.apache.log4j.Logger;

/**

* @author likehua

* @? 服務(wù)器類型探測

* @Date? 2011/04/13

* **/

public class ServerUtil {

public static final String GERONIMO_CLASS = "/org/apache/geronimo/system/main/Daemon.class";

public static final String JBOSS_CLASS = "/org/jboss/Main.class";

public static final String JETTY_CLASS = "/org/mortbay/jetty/Server.class";

public static final String JONAS_CLASS = "/org/objectweb/jonas/server/Server.class";

public static final String OC4J_CLASS = "/oracle/jsp/oc4jutil/Oc4jUtil.class";

public static final String ORION_CLASS = "/com/evermind/server/ApplicationServer.class";

public static final String PRAMATI_CLASS = "/com/pramati/Server.class";

public static final String RESIN_CLASS = "/com/caucho/server/resin/Resin.class";

public static final String REXIP_CLASS = "/com/tcc/Main.class";

public static final String SUN7_CLASS = "/com/iplanet/ias/tools/cli/IasAdminMain.class";

public static final String SUN8_CLASS = "/com/sun/enterprise/cli/framework/CLIMain.class";

public static final String TOMCAT_CLASS = "/org/apache/catalina/startup/Bootstrap.class";

public static final String WEBLOGIC_CLASS = "/weblogic/Server.class";

public static final String WEBSPHERE_CLASS = "/com/ibm/websphere/product/VersionInfo.class";

public static String getServerId() {

ServerUtil sd = _instance;

if (sd._serverId == null) {

if (ServerUtil.isGeronimo()) {

sd._serverId = "geronimo";

} else if (ServerUtil.isJBoss()) {

sd._serverId = "jboss";

} else if (ServerUtil.isJOnAS()) {

sd._serverId = "jonas";

} else if (ServerUtil.isOC4J()) {

sd._serverId = "oc4j";

} else if (ServerUtil.isOrion()) {

sd._serverId = "orion";

} else if (ServerUtil.isResin()) {

sd._serverId = "resin";

} else if (ServerUtil.isWebLogic()) {

sd._serverId = "weblogic";

} else if (ServerUtil.isWebSphere()) {

sd._serverId = "websphere";

}

if (ServerUtil.isJetty()) {

if (sd._serverId == null) {

sd._serverId = "jetty";

} else {

sd._serverId += "-jetty";

}

} else if (ServerUtil.isTomcat()) {

if (sd._serverId == null) {

sd._serverId = "tomcat";

} else {

sd._serverId += "-tomcat";

}

}

if (_log.isInfoEnabled()) {

_log.info("Detected server " + sd._serverId);

}

if (sd._serverId == null) {

throw new RuntimeException("Server is not supported");

}

}

return sd._serverId;

}

public static boolean isGeronimo() {

ServerUtil sd = _instance;

if (sd._geronimo == null) {

Class c = sd.getClass();

if (c.getResource(GERONIMO_CLASS) != null) {

sd._geronimo = Boolean.TRUE;

} else {

sd._geronimo = Boolean.FALSE;

}

}

return sd._geronimo.booleanValue();

}

public static boolean isJBoss() {

ServerUtil sd = _instance;

if (sd._jBoss == null) {

Class c = sd.getClass();

if (c.getResource(JBOSS_CLASS) != null) {

sd._jBoss = Boolean.TRUE;

} else {

sd._jBoss = Boolean.FALSE;

}

}

return sd._jBoss.booleanValue();

}

public static boolean isJetty() {

ServerUtil sd = _instance;

if (sd._jetty == null) {

Class c = sd.getClass();

if (c.getResource(JETTY_CLASS) != null) {

sd._jetty = Boolean.TRUE;

} else {

sd._jetty = Boolean.FALSE;

}

}

return sd._jetty.booleanValue();

}

public static boolean isJOnAS() {

ServerUtil sd = _instance;

if (sd._jonas == null) {

Class c = sd.getClass();

if (c.getResource(JONAS_CLASS) != null) {

sd._jonas = Boolean.TRUE;

} else {

sd._jonas = Boolean.FALSE;

}

}

return sd._jonas.booleanValue();

}

public static boolean isOC4J() {

ServerUtil sd = _instance;

if (sd._oc4j == null) {

Class c = sd.getClass();

if (c.getResource(OC4J_CLASS) != null) {

sd._oc4j = Boolean.TRUE;

} else {

sd._oc4j = Boolean.FALSE;

}

}

return sd._oc4j.booleanValue();

}

public static boolean isOrion() {

ServerUtil sd = _instance;

if (sd._orion == null) {

Class c = sd.getClass();

if (c.getResource(ORION_CLASS) != null) {

sd._orion = Boolean.TRUE;

} else {

sd._orion = Boolean.FALSE;

}

}

return sd._orion.booleanValue();

}

public static boolean isPramati() {

ServerUtil sd = _instance;

if (sd._pramati == null) {

Class c = sd.getClass();

if (c.getResource(PRAMATI_CLASS) != null) {

sd._pramati = Boolean.TRUE;

} else {

sd._pramati = Boolean.FALSE;

}

}

return sd._pramati.booleanValue();

}

public static boolean isResin() {

ServerUtil sd = _instance;

if (sd._resin == null) {

Class c = sd.getClass();

if (c.getResource(RESIN_CLASS) != null) {

sd._resin = Boolean.TRUE;

} else {

sd._resin = Boolean.FALSE;

}

}

return sd._resin.booleanValue();

}

public static boolean isRexIP() {

ServerUtil sd = _instance;

if (sd._rexIP == null) {

Class c = sd.getClass();

if (c.getResource(REXIP_CLASS) != null) {

sd._rexIP = Boolean.TRUE;

} else {

sd._rexIP = Boolean.FALSE;

}

}

return sd._rexIP.booleanValue();

}

public static boolean isSun() {

if (isSun7() || isSun8()) {

return true;

} else {

return false;

}

}

public static boolean isSun7() {

ServerUtil sd = _instance;

if (sd._sun7 == null) {

Class c = sd.getClass();

if (c.getResource(SUN7_CLASS) != null) {

sd._sun7 = Boolean.TRUE;

} else {

sd._sun7 = Boolean.FALSE;

}

}

return sd._sun7.booleanValue();

}

public static boolean isSun8() {

ServerUtil sd = _instance;

if (sd._sun8 == null) {

Class c = sd.getClass();

if (c.getResource(SUN8_CLASS) != null) {

sd._sun8 = Boolean.TRUE;

} else {

sd._sun8 = Boolean.FALSE;

}

}

return sd._sun8.booleanValue();

}

public static boolean isTomcat() {

ServerUtil sd = _instance;

if (sd._tomcat == null) {

Class c = sd.getClass();

if (c.getResource(TOMCAT_CLASS) != null) {

sd._tomcat = Boolean.TRUE;

} else {

sd._tomcat = Boolean.FALSE;

}

}

return sd._tomcat.booleanValue();

}

public static boolean isWebLogic() {

ServerUtil sd = _instance;

if (sd._webLogic == null) {

Class c = sd.getClass();

if (c.getResource(WEBLOGIC_CLASS) != null) {

sd._webLogic = Boolean.TRUE;

} else {

sd._webLogic = Boolean.FALSE;

}

}

return sd._webLogic.booleanValue();

}

public static boolean isWebSphere() {

ServerUtil sd = _instance;

if (sd._webSphere == null) {

Class c = sd.getClass();

if (c.getResource(WEBSPHERE_CLASS) != null) {

sd._webSphere = Boolean.TRUE;

} else {

sd._webSphere = Boolean.FALSE;

}

}

return sd._webSphere.booleanValue();

}

private ServerUtil() {

}

private static Logger _log = Logger.getLogger(ServerUtil.class);

private static ServerUtil _instance = new ServerUtil();

private String _serverId;

private Boolean _geronimo;

private Boolean _jBoss;

private Boolean _jetty;

private Boolean _jonas;

private Boolean _oc4j;

private Boolean _orion;

private Boolean _pramati;

private Boolean _resin;

private Boolean _rexIP;

private Boolean _sun7;

private Boolean _sun8;

private Boolean _tomcat;

private Boolean _webLogic;

private Boolean _webSphere;

}

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