<xsl:choose>
                <!-- если canchange=1 (CANCHANGE_DISABLED) -->
                <xsl:when test="/data/@canchange=1">
                        Смена статуса запрещена системой.
                </xsl:when>             
                 <!-- если canchange=2 (CANCHANGE_DISABLED_BADSTATUS) -->
            <xsl:when test="/data/@canchange=2">
                        Смена статуса невозможна из текущего статуса.
                </xsl:when>             
                <!-- если canchange=3 (CANCHANGE_DO) -->
            <xsl:when test="/data/@canchange=3">

03-25/06:03:07 ERROR [http-bio-0.0.0.0-8080-exec-6] XSLManager -
java.lang.NullPointerException
        at org.apache.xalan.transformer.TransformerImpl.setOutputProperty(TransformerImpl.java:966)
        at ru.bitel.bgbilling.kernel.container.web.action.XSLManager.newTransformer(XSLManager.java:85)
        at ru.bitel.bgbilling.kernel.container.web.action.XSLManager.getTransformer(XSLManager.java:107)
        at ru.bitel.bgbilling.kernel.container.web.action.XSLManager.getTransformer(XSLManager.java:169)
        at ru.bitel.bgbilling.kernel.container.web.action.XSLManager.transform(XSLManager.java:261)
        at bitel.billing.server.WebExecuter.doPost(WebExecuter.java:339)
        at bitel.billing.server.WebExecuter.doGet(WebExecuter.java:79)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at ru.bitel.common.server.filters.MultipartFilter.doFilter(MultipartFilter.java:48)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at ru.bitel.common.server.filters.XSSFilter.doFilter(XSSFilter.java:89)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at ru.bitel.common.server.filters.BGAuthFilter.doFilter(BGAuthFilter.java:298)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at ru.bitel.common.server.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:50)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
        at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)
        at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
        at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)

   {
      int cid = event1.getContractId();
      print("cid => " + cid + "status => " + ((GetContractStatusChangeDatesEvent) event1).getCurrentStatus());
      List<Date> dateList = new ArrayList<Date>();
      dateList.add(new Date());
      dateList.add(new Date());
      ((GetContractStatusChangeDatesEvent) event1).setDateList(dateList);
   }

package ru.skyb.scripts.behavior;

import ru.bitel.bgbilling.kernel.event.Event;
import ru.bitel.bgbilling.kernel.event.events.GetContractStatusChangeDatesEvent;
import ru.bitel.bgbilling.kernel.script.server.dev.EventScriptBase;
import ru.bitel.bgbilling.server.util.Setup;
import ru.bitel.common.sql.ConnectionSet;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;

public class getUserCabinetDate
   extends EventScriptBase
{
   @Override
   public void onEvent( Event event1, Setup setup2, ConnectionSet connectionSet3 )
      throws Exception
   {
      int cid = event1.getContractId();
      print("cid => " + cid + "status => " + ((GetContractStatusChangeDatesEvent) event1).getCurrentStatus());
      List<Date> dateList = new ArrayList<Date>();
      dateList.add(new Date());
      dateList.add(new Date());
      ((GetContractStatusChangeDatesEvent) event1).setDateList(dateList);
   }

}

onEvent( GetContractStatusChangeDatesEvent event1, Setup setup2, ConnectionSet connectionSet3 )

package ru.skyb.scripts.behavior;

import ru.bitel.bgbilling.kernel.event.Event;
import ru.bitel.bgbilling.kernel.event.events.GetContractStatusChangeDatesEvent;
import ru.bitel.bgbilling.kernel.script.server.dev.EventScriptBase;
import ru.bitel.bgbilling.server.util.Setup;
import ru.bitel.common.sql.ConnectionSet;

import java.sql.Connection;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;

import bitel.billing.server.contract.bean.ContractStatus;
import bitel.billing.server.contract.bean.ContractStatusManager;

public class getUserCabinetDate
   extends EventScriptBase
{
   @Override
   public void onEvent( Event event1, Setup setup2, ConnectionSet connectionSet3 )
      throws Exception
   {
      int cid = event1.getContractId();
      Calendar c = Calendar.getInstance();
      c.add(Calendar.DAY_OF_MONTH, 1);
      Connection con = connectionSet3.getConnection();
      ContractStatusManager csm = new ContractStatusManager(con);

      print("cid => " + cid + "status => " + ((GetContractStatusChangeDatesEvent) event1).getCurrentStatus());
      

      if (((GetContractStatusChangeDatesEvent) event1).getCurrentStatus() == 7 )
      {
         List<Date> dateList = new ArrayList<Date>();
         dateList.add(c.getTime());
         ((GetContractStatusChangeDatesEvent) event1).setDateList(dateList);
         ContractStatus status = new ContractStatus();
         status.setContractId(cid);
         status.setDateFrom(c.getTime());
         status.setDateTo(null);
         status.setStatus( 0 );
         status.setComment("");
         csm.changeStatus( status, 0, false );
      }
   }

}

         ContractStatus status = new ContractStatus();
         status.setContractId(cid);
         status.setDateFrom(c.getTime());
         status.setDateTo(null);
         status.setStatus( 0 );
         status.setComment("");
         csm.changeStatus( status, 0, false );