if(ServerDetector.isTomcat()){//tomcat server
//
}else if(ServerDetector.isWebLogic()){//weblogic server
//
}
package com.roger.query.utilimport org.apache.log4j.Logger
/**
* @ 服务器类型探测
* @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
}
代码来自 javaRoger 的博客,求采纳
下面提供二种方法会使用java发送url请求,并获取服务器返回的值
第一种方法:
代码如下:
import org.apache.http.HttpEntity
import org.apache.http.HttpResponse
import org.apache.http.NameValuePair
import org.apache.http.client.HttpClient
import org.apache.http.client.entity.UrlEncodedFormEntity
import org.apache.http.client.methods.HttpPost
import org.apache.http.impl.client.DefaultHttpClient
import org.apache.http.message.BasicNameValuePair
import org.apache.http.params.CoreConnectionPNames
import org.apache.http.util.EntityUtils
publicstaticStringsendUrlRequest(StringurlStr,Stringparam1,Stringparam2)throwsException{
StringtempStr=null
HttpClienthttpclient=newDefaultHttpClient()
Propertiesproperties=newProperties()
HttpEntityentity=null
StringxmlContent=""
try
{
//设置超时时间
httpclient.getParams().setIntParameter(CoreConnectionPNames.CONNECTION_TIMEOUT,20000)
httpclient.getParams().setParameter(CoreConnectionPNames.SO_TIMEOUT,20000)
//封装需要传递的参数
List<NameValuePair>nvps=newArrayList<NameValuePair>()
nvps.add(newBasicNameValuePair("mainMemoCode",strmainMemoCode))
nvps.add(newBasicNameValuePair("recordPassWord",strrecordPassWord))
//客户端的请求方法类型
HttpPosthttpPost=newHttpPost(urlStr)
httpPost.setEntity(newUrlEncodedFormEntity(nvps,"GBK"))
HttpResponseresponse=httpclient.execute(httpPost)
//获取服务器返回Http的Content-Type的值
tempStr=response.getHeaders("Content-Type")[0].getValue().toString()
//获取服务器返回页面的值
entity=response.getEntity()
xmlContent=EntityUtils.toString(entity)
Stringstrmessage=null
System.out.println(xmlContent)
System.out.println(response.getHeaders("Content-Type")[0].getValue().toString())
httpPost.abort()
}
catch(SocketTimeoutExceptione)
{
}
catch(Exceptionex)
{
ex.printStackTrace()
}
finally{
httpclient.getConnectionManager().shutdown()
}
第二种方法:
代码如下:
publicstaticStringsendUrlRequest(StringurlStr,Stringparam1,Stringparam2)throwsException{
HttpURLConnectionurl_con=null
try{
URLurl=newURL(urlStr)
StringBufferbankXmlBuffer=newStringBuffer()
//创建URL连接,提交到数据,获取返回结果
HttpURLConnectionconnection=(HttpURLConnection)url.openConnection()
connection.setRequestMethod("POST")
connection.setDoOutput(true)
connection.setRequestProperty("User-Agent","directclient")
PrintWriterout=newPrintWriter(newOutputStreamWriter(connection.getOutputStream(),"GBK"))
out.println(param)
out.close()
BufferedReaderin=newBufferedReader(newInputStreamReader(connection
.getInputStream(),"GBK"))
StringinputLine
while((inputLine=in.readLine())!=null){
bankXmlBuffer.append(inputLine)
}
in.close()
tempStr=bankXmlBuffer.toString()
}
catch(Exceptione)
{
System.out.println("发送GET请求出现异常!"+e)
e.printStackTrace()
}finally{
if(url_con!=null)
url_con.disconnect()
}
returntmpeStr
}
总结:多练习代码,熟练之后才能更快速的去了解代码的学习的方法。多去获取一些思维方面的书籍可以看看。
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