AppserversReportsBuilder.java

/*
** Module   : AppserversReportsBuilder.java
** Abstract : AppserversReportsBuilder is a PDF report builder to produce Appservers reports.
**
** Copyright (c) 2024, Golden Code Development Corporation.
**
** -#- -I- --Date-- ----------------Description----------------------
** 001 GBB 20241009 Created initial version.
*/
/*
** 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
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*/

package com.goldencode.p2j.admin.server.reports;

import com.goldencode.p2j.admin.*;
import com.goldencode.p2j.admin.shared.*;

import java.text.*;
import java.util.*;
import java.util.stream.Stream;

/**
 * AppserversReportsBuilder is a PDF report builder to produce appservers reports.
 */
class AppserversReportsBuilder
extends AbstractReportBuilder<AbstractReportBuilder.SimpleHeader,
   AppserverInfo.AgentInfo,
   AbstractReportBuilder.SimpleFooter>
{
   /** The data and time format, same as in ClassicAppserverView. */
   private static final String RFC_2822_FORMAT = "EEE, d MMM yyyy HH:mm:ss Z";
   
   /** The data and time formatter, same as in ClassicAppserverView. */
   private static final SimpleDateFormat DATE_FORMATTER = new SimpleDateFormat(RFC_2822_FORMAT);

   /** The report header */
   private final SimpleHeader header;

   /** The report footer */
   private final SimpleFooter footer;

   /**
    * Creates the users reports builder.
    * 
    * @param    request
    *           The report request
    */
   AppserversReportsBuilder(ReportRequest request)
   {
      super(Reports.APPSERVERS.name());
      
      Map<String, String> reportParameters = request.getReportParameters();
      String title = reportParameters.getOrDefault(ReportParameters.TITLE.getParameter(), "");

      header = new SimpleHeader();
      header.setHeader(title);
      
      footer = new SimpleFooter();
      
      int pageToPreview = getPreviewPageNumber(reportParameters);
      if (pageToPreview > 0)
      {
         setPreviewPage(pageToPreview);
      }

      String action = reportParameters.getOrDefault(ReportParameters.ACTION.getParameter(), "");

      setSelfPrintedDocument(!action.isEmpty());
   }

   /**
    * Returns the stream of {@link UserAccountData} objects.
    *
    * @return  see above
    */
   @Override
   protected Stream<AppserverInfo.AgentInfo> getDataStream()
   {
      List<AppserverInfo.AgentInfo> agentInfoList = new ArrayList<>();
      for (AppserverInfo appserverInfo : AdminServerImpl.getAppserverList())
      {
         if (appserverInfo.agentInfos != null && appserverInfo.agentInfos.length > 0)
         {
            agentInfoList.addAll(Arrays.asList(appserverInfo.agentInfos));
         }
      }

      agentInfoList.sort(Comparator.comparing((AppserverInfo.AgentInfo a) -> a.appserverName)
                                   .thenComparingInt(a -> a.agentId));
         
      return agentInfoList.stream();
   }

   /**
    * Returns report columns.
    *
    * @return  see above
    */
   @Override
   protected List<ColumnInfo<AppserverInfo.AgentInfo>> getColumns()
   {
      ArrayList<ColumnInfo<AppserverInfo.AgentInfo>> columns = new ArrayList<>();
      columns.add(new ColumnInfo<>("Appserver", agentInfo -> agentInfo.appserverName));
      columns.add(new ColumnInfo<>("Agent ID", agentInfo -> String.valueOf(agentInfo.agentId)));
      columns.add(new ColumnInfo<>("Agent PID", agentInfo -> String.valueOf(agentInfo.pid)));
      columns.add(new ColumnInfo<>("Agent Start Time",
                                   agentInfo -> formatDate(agentInfo.agentStartTime)));
      columns.add(new ColumnInfo<>("State", agentInfo -> agentInfo.state));
      columns.add(new ColumnInfo<>("Bound", agentInfo -> String.valueOf(agentInfo.bound)));
      columns.add(new ColumnInfo<>("Session Start Time",
                                   agentInfo -> formatDate(agentInfo.sessionStartTime)));
      columns.add(new ColumnInfo<>("Session Procedure", agentInfo -> agentInfo.sessionProcedure));
      columns.add(new ColumnInfo<>("Client", agentInfo -> agentInfo.clientType));
      return columns;
   }

   /**
    * Returns the header data. The concrete implementation must provide the header data.
    *
    * @return   The header data
    */
   @Override
   protected SimpleHeader getReportHeader()
   {
      return header;
   }

   /**
    * Returns the footer data. The concrete implementation must provide the footer data.
    *
    * @return   The footer data
    */
   @Override
   protected SimpleFooter getReportFooter()
   {
      return footer;
   }

   /**
    * Formats the date using {@link #DATE_FORMATTER}.
    * 
    * @param    date
    *           The date to be formatted.
    *
    * @return   The formatted date.
    */
   private String formatDate(Date date)
   {
      return date == null ? "" : DATE_FORMATTER.format(date);
   }
}