/*
    * Copyright 2001-2004 The Apache Software Foundation.
    * 
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    * 
    *      http://www.apache.org/licenses/LICENSE-2.0
    * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.geronimo.ews.ws4j2ee.toWs.wrapperWs;
  
  import org.apache.geronimo.ews.ws4j2ee.context.J2EEWebServiceContext;
  import org.apache.geronimo.ews.ws4j2ee.context.SEIOperation;
  import org.apache.geronimo.ews.ws4j2ee.toWs.GenerationFault;
  
  import java.util.ArrayList;
  import java.util.Iterator;
  
  /***
   * @author Srinath Perera(hemapani@opensource.lk)
   */
  public abstract class SimpleRemoteInterfaceBasedWrapperClassWriter extends EJBBasedWrapperClassWriter {
  
      /***
       * @param j2eewscontext
       * @throws GenerationFault
       */
      public SimpleRemoteInterfaceBasedWrapperClassWriter(J2EEWebServiceContext j2eewscontext)
              throws GenerationFault {
          super(j2eewscontext);
          seiName = context.getEjbRemoteInterface();
      }
  
      protected abstract String getJNDIInitialContextFactory();
  
      protected abstract String getJNDIHostAndPort();
  
      protected String getimplementsPart() {
          return " implements org.apache.geronimo.ews.ws4j2ee.wsutils.ContextAccessible";
      }
  
      protected void writeMethods() throws GenerationFault {
          out.write("\tpublic void setMessageContext(org.apache.axis.MessageContext msgcontext){;\n");
          out.write("\t\tthis.msgcontext = msgcontext;\n");
          out.write("\t}\n");
          writeGetRemoteRef(classname);
          String parmlistStr = null;
          ArrayList operations = j2eewscontext.getMiscInfo().getSEIOperations();
          for (int i = 0; i < operations.size(); i++) {
              parmlistStr = "";
              SEIOperation op = (SEIOperation) operations.get(i);
              String returnType = op.getReturnType();
              if (returnType == null)
                  returnType = "void";
              out.write("\tpublic " + returnType + " " + op.getMethodName() + "(");
              Iterator pas = op.getParameterNames().iterator();
              boolean first = true;
              while (pas.hasNext()) {
                  String name = (String) pas.next();
                  String type = op.getParameterType(name);
                  if (first) {
                      first = false;
                      out.write(type + " " + name);
                      parmlistStr = parmlistStr + name;
                  } else {
                      out.write("," + type + " " + name);
                      parmlistStr = parmlistStr + "," + name;
                  }
              }
              out.write(") throws java.rmi.RemoteException");
              ArrayList faults = op.getFaults();
              for (int j = 0; j < faults.size(); j++) {
                  out.write("," + (String) faults.get(j));
              }
              out.write("{\n");
              out.write("\t\tif(ejb ==  null)\n");
              out.write("\t\t\tejb = getRemoteRef();\n");
              if (!"void".equals(returnType))
                  out.write("\t\treturn ejb." + op.getMethodName() + "(" + parmlistStr + ");\n");
              else
                  out.write("\t\tejb." + op.getMethodName() + "(" + parmlistStr + ");\n");
              out.write("\t}\n");
          }
          //out.write("}\n");	
      }
  
      private void writeGetRemoteRef(String classname) {
          out.write("\tpublic " + seiName + " getRemoteRef()throws org.apache.axis.AxisFault{\n");
         
  //TODO remove the security code for the time been
  //	   out.write("\t\ttry {\n");
  //	   out.write("\t\tif(msgcontext == null){\n");
  //	   out.write("\t\t		msgcontext = org.apache.axis.MessageContext.getCurrentContext();\n");
 //	   out.write("\t\t}\n");
 //	   out.write("\t\tif(msgcontext == null){\n");
 //       out.write("\t\t		throw new RuntimeException(\"Message Context can not be null\");\n");
 //	   out.write("\t\t}\n");
 //	   
 //	   out.write("\t\torg.apache.geronimo.ews.ws4j2ee.context.security.SecurityContext4J2EE seccontext =\n"); 
 //	   out.write("\t\t			   (org.apache.geronimo.ews.ws4j2ee.context.security.SecurityContext4J2EE)msgcontext\n");
 //	   out.write("\t\t.getProperty(org.apache.ws.axis.security.WSS4J2EEConstants.SEC_CONTEXT_4J2EE);\n");
 //	   out.write("\t\tif(seccontext != null){\n");
 //	   out.write("\t\t\t    javax.security.auth.callback.CallbackHandler handler\n");
 //	   out.write("\t\t\t        = seccontext.getPWDCallbackHandler4J2EE();\n");
 //	   out.write("\t\t\t    if(handler != null){\n");
 //	   out.write("\t\t\t        javax.security.auth.login.LoginContext lc\n"); 
 //	   out.write("\t\t\t            = new javax.security.auth.login.LoginContext(\"TestClient\", handler);\n");
 //	   out.write("\t\t\t        lc.login();\n");
 //	   out.write("\t\t\t    }\n");
 //	   out.write("\t\t}\n");
 //	   
 //	   out.write("\t\t}catch (javax.security.auth.login.LoginException e) {\n");
 //	   out.write("\t\t     e.printStackTrace();\n");
 //	   out.write("\t\t     throw org.apache.axis.AxisFault.makeFault(e);\n");
 //	   out.write("\t\t}\n");
    	
         out.write("\t\ttry{\n");
 //	   use the properties set
 //	   out.write("\t\t\tjava.util.Properties env = new java.util.Properties();\n");
 //	   out.write("\t\t\tenv.put(javax.naming.Context.INITIAL_CONTEXT_FACTORY,\""+getJNDIInitialContextFactory()+"\");\n");
 //	   out.write("\t\t\tenv.put(javax.naming.Context.PROVIDER_URL, \""+getJNDIHostAndPort()+"\");\n");
         out.write("\t\t\tjava.util.Properties env = new java.util.Properties();\n");
         out.write("\t\t\tenv.load(getClass().getClassLoader().getResourceAsStream(\"jndi.properties\"));\n");
 //use the propertyfile
 //       out.write("\t\t\torg.apache.geronimo.ews.ws4j2ee.wsutils.PropertyLoader ploader = new org.apache.geronimo.ews.ws4j2ee.wsutils.PropertyLoader();\n");
 //  	   out.write("\t\t\tjava.util.Properties env = " +
 //  			"ploader.loadProperties(\"jndi.properties\");\n");
 		
         out.write("\t\t\tjavax.naming.Context initial = new javax.naming.InitialContext(env);\n");
 
         String ejbname = j2eewscontext.getWSCFContext().getWscfport().getServiceImplBean().getEjblink();
         out.write("\t\t\tObject objref = initial.lookup(\"ejb/" + ejbname + "\");\n");
         String ejbhome = j2eewscontext.getEJBDDContext().getEjbhomeInterface();
         out.write("\t\t\t" + ejbhome + " home = \n\t\t\t\t(" + ejbhome
                 + ")javax.rmi.PortableRemoteObject.narrow(objref," + ejbhome + ".class);\n");
         out.write("\t\t\treturn home.create();\n");
         out.write("\t\t}catch (Exception e) {\n");
         out.write("\t\t    throw org.apache.axis.AxisFault.makeFault(e);\n");
         out.write("\t\t}\n");
         out.write("\t}\n");
     }
 }