StatusCodeWriterBuilder.java

/*
** Module   : StatusCodeWriterBuilder.java
** Abstract : Implementation of the builtin class.
**
** Copyright (c) 2019-2022, Golden Code Development Corporation.
**
** -#- -I- --Date-- ---------------------------------------Description----------------------------------------
** 001 CA  20190526 First version, stubs taken by converting the skeleton using FWD.
** 002 CA  20191024 Added method support levels and updated the class support level.
** 003 CA  20210221 Fixed 'qualified', 'extent' and 'returns' annotations at the legacy signature.
**     ME  20210301 Added class 'referent' for static methods, always use registry getter.
** 004 ME  20210519 Fix registry lazy loading.
**     CA  20220120 Do not used TypeFactory.object when the OO reference must not be tracked or registered.
**                  Do not use TypeFactory.object for internal usages, use ObjectVar if the reference must 
**                  be tracked.
**                  All TypeFactory.object variable definitions must be done outside of the top-level block.
*/

/*
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU Affero General Public License as
** published by the Free Software Foundation, either version 3 of the
** License, or (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
** GNU Affero General Public License for more details.
**
** You may find a copy of the GNU Affero GPL version 3 at the following
** location: https://www.gnu.org/licenses/agpl-3.0.en.html
** 
** Additional terms under GNU Affero GPL version 3 section 7:
** 
**   Under Section 7 of the GNU Affero GPL version 3, the following additional
**   terms apply to the works covered under the License.  These additional terms
**   are non-permissive additional terms allowed under Section 7 of the GNU
**   Affero GPL version 3 and may not be removed by you.
** 
**   0. Attribution Requirement.
** 
**     You must preserve all legal notices or author attributions in the covered
**     work or Appropriate Legal Notices displayed by works containing the covered
**     work.  You may not remove from the covered work any author or developer
**     credit already included within the covered work.
** 
**   1. No License To Use Trademarks.
** 
**     This license does not grant any license or rights to use the trademarks
**     Golden Code, FWD, any Golden Code or FWD logo, or any other trademarks
**     of Golden Code Development Corporation. You are not authorized to use the
**     name Golden Code, FWD, or the names of any author or contributor, for
**     publicity purposes without written authorization.
** 
**   2. No Misrepresentation of Affiliation.
** 
**     You may not represent yourself as Golden Code Development Corporation or FWD.
** 
**     You may not represent yourself for publicity purposes as associated with
**     Golden Code Development Corporation, FWD, or any author or contributor to
**     the covered work, without written authorization.
** 
**   3. No Misrepresentation of Source or Origin.
** 
**     You may not represent the covered work as solely your work.  All modified
**     versions of the covered work must be marked in a reasonable way to make it
**     clear that the modified work is not originating from Golden Code Development
**     Corporation or FWD.  All modified versions must contain the notices of
**     attribution required in this license.
*/

package com.goldencode.p2j.oo.net.http.filter.writer;

import static com.goldencode.p2j.util.BlockManager.externalProcedure;
import static com.goldencode.p2j.util.BlockManager.function;
import static com.goldencode.p2j.report.ReportConstants.*;
import static com.goldencode.p2j.util.BlockManager.internalProcedure;
import static com.goldencode.p2j.util.BlockManager.onBlockLevel;
import static com.goldencode.p2j.util.BlockManager.returnNormal;

import com.goldencode.p2j.oo.core.*;
import com.goldencode.p2j.oo.lang.*;
import com.goldencode.p2j.oo.net.http.*;
import com.goldencode.p2j.oo.net.http.filter.status.*;
import com.goldencode.p2j.security.*;
import com.goldencode.p2j.util.*;
import com.goldencode.p2j.util.BlockManager.Action;
import com.goldencode.p2j.util.BlockManager.Condition;
import com.goldencode.p2j.util.InternalEntry.*;

/**
 * 
 * Builds a message writer for setting status of a message.
 *
 */
@LegacyResource(resource = "OpenEdge.Net.HTTP.Filter.Writer.StatusCodeWriterBuilder")
@LegacyResourceSupport(supportLvl = CVT_LVL_FULL|RT_LVL_FULL)
public class StatusCodeWriterBuilder
extends BaseObject
{

   /** Builder registry */
   private static ContextLocal<object<? extends BuilderRegistry>> REGISTRY = 
         new ContextLocal<object<? extends BuilderRegistry>>()
   {
      /**
       * Create initial value.
       */
      @Override
      protected object<? extends BuilderRegistry> initialValue()
      {
         return TypeFactory.object(BuilderRegistry.class);
      }
   };
   
   @LegacySignature(type = Type.CONSTRUCTOR)
   @LegacyResourceSupport(supportLvl = CVT_LVL_FULL | RT_LVL_FULL)
   public static void __net_http_filter_writer_StatusCodeWriterBuilder_constructor__static__()
   {
      externalProcedure(StatusCodeWriterBuilder.class, new Block((Body) () -> {
         onBlockLevel(Condition.ERROR, Action.THROW);
      }));
   }

   /**
    * Get registry.
    * 
    * @return registry.
    */
  @LegacySignature(returns = "OBJECT", qualified = "OpenEdge.Net.HTTP.BuilderRegistry", type = Type.GETTER, name = "Registry")
   @LegacyResourceSupport(supportLvl = CVT_LVL_FULL|RT_LVL_FULL)
   public static object<? extends BuilderRegistry> getRegistry()
   {
      return function(StatusCodeWriterBuilder.class, "Registry", object.class, new Block((Body) () -> 
      {
         if (!REGISTRY.get()._isValid()) 
         {
            REGISTRY.get().assign(ObjectOps.newInstance(BuilderRegistry.class, "I",
                     ObjectOps.getLegacyClass(IHttpMessageWriter.class)));
            initializeRegistry(REGISTRY.get());
         }
         
         returnNormal(REGISTRY.get());
            
      }));
   }

  /**
   * Initialize registry.
   * 
   * @param _poRegistry to be initialized.
   */
   @LegacySignature(type = Type.METHOD, name = "InitializeRegistry", parameters = 
   {
         @LegacyParameter(name = "poRegistry", type = "OBJECT", 
               qualified = "openedge.net.http.builderregistry", mode = "INPUT") 
   })
   @LegacyResourceSupport(supportLvl = CVT_LVL_FULL|RT_LVL_FULL)
   public static void initializeRegistry(final object<? extends BuilderRegistry> _poRegistry)
   {
      internalProcedure(StatusCodeWriterBuilder.class, "InitializeRegistry", new Block((Body) ()-> {
         _poRegistry.ref().put(new character("301"), 
               ObjectOps.getLegacyClass(RedirectStatusFilter.class));
         _poRegistry.ref().put(new character("302"), 
                  ObjectOps.getLegacyClass(RedirectStatusFilter.class));
         _poRegistry.ref().put(new character("401"), 
                  ObjectOps.getLegacyClass(AuthorizationStatusFilter.class));
      }));
   }

   /**
    * Returns a response writer for a given content-type.
    * 
    * @param poRequest HTTP request
    * @param poResponse HTTP response
    * 
    * @return The message writer to use
    */
   @LegacySignature(returns = "OBJECT", qualified = "OpenEdge.Net.HTTP.IHttpMessageWriter", type = Type.METHOD, name = "Build", parameters = 
   {
         @LegacyParameter(name = "poMessage", type = "OBJECT", 
               qualified = "OpenEdge.Net.HTTP.IHttpRequest", mode = "INPUT"), 
         @LegacyParameter(name = "poHeader", type = "OBJECT", 
               qualified = "OpenEdge.Net.HTTP.IHttpResponse", mode = "INPUT") 
   })
   @LegacyResourceSupport(supportLvl = CVT_LVL_FULL|RT_LVL_FULL)
   public static object<? extends IHttpMessageWriter> build(
         object<? extends IhttpRequest> poRequest, 
         object<? extends IhttpResponse> poResponse)
   {
      object<? extends IHttpMessageWriter> writer = TypeFactory.object(IHttpMessageWriter.class);
      object<? extends LegacyClass> writerType = TypeFactory.object(LegacyClass.class);
      
      return function(StatusCodeWriterBuilder.class, "Build", object.class, new Block((Body)() -> {
         
         Assert.notNull(poResponse, new character("Response"));
         
         writerType.assign(getRegistry().ref().get(
               character.valueOf(poResponse.ref().getStatusCode())));
         if (!writerType.isValid().booleanValue())
         {
            returnNormal(writer);
         }
         Assert.isType(writerType, ObjectOps.getLegacyClass(IHttpMessageWriter.class));
         writer.assign(ObjectOps.newDynamicInstance(
               writerType.ref().getTypeName(),
               "I",
               poRequest
         ));
         
         if (ObjectOps.typeOf(writer, ISupportInitialize.class).booleanValue())
         {
            ObjectOps.cast(writer, ISupportInitialize.class).ref().initialize();
         }
         returnNormal(writer);
      }));
   }
}