com.cbse.jeasy
Class JEHttpConnector

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          com.cbse.jeasy.JEHttpConnector

All Implemented Interfaces:

java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public class JEHttpConnector
extends javax.servlet.http.HttpServlet

A servlet using for connection between JEasy presentation layer and application layer. JEHttpConnector is the server side of the JEHttpClient

Version:

%I%, %G%

Author:

H.Pfohl

See Also:

Serialized Form

Constructor Summary

JEHttpConnector()

Method Summary

void	checkForSessionsOutOfTime() Checks for session out of time and discard them
void	closeSession(java.lang.String sessionId)
byte[]	compress(byte[] ba)
byte[]	compress(byte[] ba, javax.crypto.Cipher ec)
byte[]	compress(java.lang.String s)
byte[]	compress(java.lang.String s, javax.crypto.Cipher ec)
byte[]	decompress(byte[] ba)
java.lang.String	decompress(java.io.InputStream in)
java.lang.String	decompress(java.io.InputStream in, javax.crypto.Cipher dc)
byte[]	decrypt(byte[] ba, javax.crypto.Cipher decryptCipher)
java.lang.String	decrypt(java.io.InputStream in, javax.crypto.Cipher dc)
void	destroy()
void	doPost(java.io.ByteArrayInputStream stream, java.io.ByteArrayOutputStream bos)
void	doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
void	doPost(java.io.InputStream in, java.io.OutputStream os)
byte[]	encrypt(byte[] ba, javax.crypto.Cipher encryptCipher)
static java.lang.String	getXMLElement(java.lang.String source, java.lang.String element) Parses the String for the given XML-Element inside and
static java.lang.String	getXMLElementAttribute(java.lang.String source, java.lang.String element, java.lang.String attribut) Parses the String for the attribut inside the the given XML-Element inside
void	init()
void	initSimulation(java.lang.String dclass, java.lang.String confpath)
java.lang.String	openSession() Opens a Session
java.lang.String	request(java.io.OutputStream os, java.lang.String sessionId, java.lang.String service, java.lang.String sXML, boolean getAttachment) Performes a request from the client
boolean	setCrypt(boolean b, java.lang.String key, com.cbse.jeasy.JEHttpConnector.Request req) If b is true the data send to and received from the server are crypted

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doGet, doHead, doOptions, doPut, doTrace, getLastModified, service, service

Methods inherited from class javax.servlet.GenericServlet

getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JEHttpConnector

public JEHttpConnector()

Method Detail

initSimulation

public void initSimulation(java.lang.String dclass,
                           java.lang.String confpath)

init

public void init()
          throws javax.servlet.ServletException

Overrides:

init in class javax.servlet.GenericServlet

Throws:

javax.servlet.ServletException

destroy

public void destroy()

Specified by:

destroy in interface javax.servlet.Servlet

Overrides:

destroy in class javax.servlet.GenericServlet

setCrypt

public boolean setCrypt(boolean b,
                        java.lang.String key,
                        com.cbse.jeasy.JEHttpConnector.Request req)

If b is true the data send to and received from the server are crypted

Parameters:

req -

doPost

public void doPost(javax.servlet.http.HttpServletRequest request,
                   javax.servlet.http.HttpServletResponse response)
            throws java.io.IOException

Overrides:

doPost in class javax.servlet.http.HttpServlet

Throws:

java.io.IOException

doPost

public void doPost(java.io.ByteArrayInputStream stream,
                   java.io.ByteArrayOutputStream bos)
            throws java.io.IOException

Throws:

java.io.IOException

doPost

public void doPost(java.io.InputStream in,
                   java.io.OutputStream os)
            throws java.io.IOException

Throws:

java.io.IOException

request

public java.lang.String request(java.io.OutputStream os,
                                java.lang.String sessionId,
                                java.lang.String service,
                                java.lang.String sXML,
                                boolean getAttachment)

Performes a request from the client

Parameters:

sessionId -

service -

sXML -

Returns:

openSession

public java.lang.String openSession()

Opens a Session

Returns:

closeSession

public void closeSession(java.lang.String sessionId)

checkForSessionsOutOfTime

public void checkForSessionsOutOfTime()

Checks for session out of time and discard them

compress

public byte[] compress(byte[] ba,
                       javax.crypto.Cipher ec)
                throws java.lang.Exception

Throws:

java.lang.Exception

compress

public byte[] compress(java.lang.String s)
                throws java.lang.Exception

Throws:

java.lang.Exception

compress

public byte[] compress(java.lang.String s,
                       javax.crypto.Cipher ec)
                throws java.lang.Exception

Throws:

java.lang.Exception

decompress

public java.lang.String decompress(java.io.InputStream in)
                            throws java.lang.Exception

Throws:

java.lang.Exception

decompress

public java.lang.String decompress(java.io.InputStream in,
                                   javax.crypto.Cipher dc)
                            throws java.lang.Exception

Throws:

java.lang.Exception

decrypt

public java.lang.String decrypt(java.io.InputStream in,
                                javax.crypto.Cipher dc)
                         throws java.lang.Exception

Throws:

java.lang.Exception

compress

public byte[] compress(byte[] ba)

decompress

public byte[] decompress(byte[] ba)

decrypt

public byte[] decrypt(byte[] ba,
                      javax.crypto.Cipher decryptCipher)

encrypt

public byte[] encrypt(byte[] ba,
                      javax.crypto.Cipher encryptCipher)
               throws java.lang.Exception

Throws:

java.lang.Exception

getXMLElement

public static java.lang.String getXMLElement(java.lang.String source,
                                             java.lang.String element)

Parses the String for the given XML-Element inside and

Parameters:

source - the string where it will be searched

element - the XML element to look for

Returns:

the string inside the tag or null

getXMLElementAttribute

public static java.lang.String getXMLElementAttribute(java.lang.String source,
                                                      java.lang.String element,
                                                      java.lang.String attribut)

Parses the String for the attribut inside the the given XML-Element inside

Parameters:

source - the string where it will be searched

element - the XML element to look for

Returns:

the string inside the tag or null