/*
 * The contents of this file are subject to the terms of the Common Development and
 * Distribution License (the License). You may not use this file except in compliance with the
 * License.
 *
 * You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
 * specific language governing permission and limitations under the License.
 *
 * When distributing Covered Software, include this CDDL Header Notice in each file and include
 * the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
 * Header, with the fields enclosed by brackets [] replaced by your own identifying
 * information: "Portions Copyright [year] [name of copyright owner]".
 *
 * Copyright 2007-2010 Sun Microsystems, Inc.
 * Portions Copyright 2011-2015 ForgeRock AS.
 */
package org.opends.server.admin.doc;

import java.io.File;
import java.io.PrintWriter;
import java.util.Collection;
import java.util.Date;
import java.util.Iterator;
import java.util.Properties;
import java.util.TreeMap;
import java.util.TreeSet;
import org.forgerock.i18n.LocalizableMessage;
import org.opends.server.admin.ACIPropertyDefinition;
import org.opends.server.admin.AbsoluteInheritedDefaultBehaviorProvider;
import org.opends.server.admin.AbstractManagedObjectDefinition;
import org.opends.server.admin.AdministratorAction.Type;
import org.opends.server.admin.RelationDefinition;
import org.opends.server.admin.std.meta.RootCfgDefn;
import org.opends.server.admin.*;
import org.opends.server.types.InitializationException;
import org.opends.server.util.EmbeddedUtils;
import org.opends.server.util.DynamicConstants;

/**
 *  This class allow Configuration Guide documentation generation (html format).
 * It is based on the Admin Framework Introspection API
 *
 */
public class ConfigGuideGeneration {

  // Note : still to be done :
  // I18n support. Today all the strings are hardcoded in this file

  private static final String ACI_SYNTAX_REL_URL =
    "/doc/admin-guide/#about-acis";
  private static final String DURATION_SYNTAX_REL_URL =
    "duration-syntax.html";
  private final String CSS_FILE = "opendj-config.css";

  private final String MAIN_FILE = "index.html";
  private final String INHERITANCE_TREE_FILE =
    "ManagedObjectInheritanceTree.html";
  private final String RELATION_TREE_FILE = "ManagedObjectRelationTree.html";
  private final String MO_LIST_FILE = "ManagedObjectList.html";
  private final String PROPERTIES_INDEX_FILE = "PropertiesIndex.html";
  private final String WELCOME_FILE = "welcome.html";
  private final String MAINTOP_FILE = "maintop.html";
  private final String INDEX_FILE = "index.html";
  private final String FAVICON = "http://forgerock.org/favicon.ico";

  private static final String CONFIG_GUIDE_DIR = "opendj_config_guide";
  private final String MAIN_FRAME = "mainFrame";

  /**
   * Entry point for documentation generation.
   *
   * Properties:
   * GenerationDir - The directory where the doc is generated
   *              (default is /var/tmp/[CONFIG_GUIDE_DIR>])
   * LdapMapping - Presence means that the LDAP mapping section is to be
   *               generated (default is no)
   * OpenDJWiki - The URL of the OpenDJ Wiki
   *              (default is
   *              "http://wikis.forgerock.org/confluence/display/OPENDJ")
   * OpenDJHome - The URL of the OpenDJ project Home page
   *              (default is "http://opendj.forgerock.org")
   *
   * @param args none.
   */
  public static void main(String[] args) {
    Properties properties = System.getProperties();
    generationDir = properties.getProperty("GenerationDir");
    if (generationDir == null) {
      // Default dir is prefixed by the system-dependent default temporary dir
      generationDir = System.getProperty("java.io.tmpdir") + File.separator +
        CONFIG_GUIDE_DIR;
    }
    // Create new dir if necessary
    try {
      new File(generationDir).mkdir();
    } catch (Exception e) {
      e.printStackTrace();
      System.exit(1);
    }
    System.out.println("Generation directory is : " + generationDir);

    if (properties.getProperty("LdapMapping") != null) {
      ldapMapping = true;
    }

    OpenDJWiki = properties.getProperty("OpenDJWiki");
    if (OpenDJWiki == null) {
      // Default is current wiki
      OpenDJWiki = "http://wikis.forgerock.org/confluence/display/OPENDJ";
    }

    OpenDJHome = properties.getProperty("OpenDJHome");
    if (OpenDJHome == null) {
      // Default is current OpenDJ project home
      OpenDJHome = "http://opendj.forgerock.org";
    }

    aciSyntaxPage = OpenDJHome + ACI_SYNTAX_REL_URL;
    durationSyntaxPage = DURATION_SYNTAX_REL_URL;

    ConfigGuideGeneration myGen = new ConfigGuideGeneration();
    myGen.generate();
  }

  private void generate() {
    init();

    // Generate the relation tree of all the managed objects
    genManagedObjectRelationTree(catTopRelList);

    // Generate the inheritance tree of all the managed objects
    genManagedObjectInheritanceTree(catTopMoList);

    // Generate all the managed objects and their children
    genAllManagedObject(topMoList);

    // Generate a list of managed objects
    genManagedObjectList(moList);

    // Generate an index of properties
    genPropertiesIndex();

    // Generate the Index page
    genIndexPage();

    // Generate the Main Top page
    genMainTopPage();

    // Generate the Welcome page
    genWelcomePage();
   }

  private void init() {

    // Build a list of top relations
    RootCfgDefn rootCfg = RootCfgDefn.getInstance();
    for (RelationDefinition rel : rootCfg.getAllRelationDefinitions()) {
      topRelList.put(rel.getChildDefinition().getName(), rel);
    }

    // Enable the client-side class loader to explicitly load classes
    // which are not directly reachable from the root configuration
    EmbeddedUtils.initializeForClientUse();
    // Bootstrap definition classes.
    try {
      ClassLoaderProvider.getInstance().enable();
    } catch (InitializationException e) {
      System.err.println("ERROR : Cannot enable the client-side class loader.");
      e.printStackTrace();
      System.exit(1);
    }
    // Switch off class name validation in client.
    ClassPropertyDefinition.setAllowClassValidation(false);
    // Switch off attribute type name validation in client.
    AttributeTypePropertyDefinition.setCheckSchema(false);

    // Build a sorted list of top managed objects
    TopCfgDefn topCfg = TopCfgDefn.getInstance();
    Collection<AbstractManagedObjectDefinition<?, ?>> topObjects =
      topCfg.getChildren();
    for (AbstractManagedObjectDefinition topObject : topObjects) {
      if (topObject.getName().equals("")) {
        // root
        continue;
      }
      if (topObject.hasOption(ManagedObjectOption.HIDDEN))
      {
        continue;
      }
      topMoList.put(topObject.getName(), topObject);
    }


    // Build a list of top relations by category (core, database, ...)
    for (RelationDefinition rel : topRelList.values()) {
      AbstractManagedObjectDefinition<?, ?> mo = rel.getChildDefinition();
      Collection<Tag> tags = mo.getAllTags();
      for (Tag tag : tags) {
        TreeMap<String, RelationDefinition> catMap =
          catTopRelList.get(tag.getName());
        if (catMap == null) {
          catMap = new TreeMap<>();
          catTopRelList.put(tag.getName(), catMap);
        }
        catMap.put(mo.getName(), rel);
      }
    }

    // Build a list of top managed objects by category (core, database, ...)
    for (AbstractManagedObjectDefinition<?, ?> topObject : topMoList.values()) {
      Collection<Tag> tags = topObject.getAllTags();
      for (Tag tag : tags) {
        TreeMap<String, AbstractManagedObjectDefinition> catMap =
          catTopMoList.get(tag.getName());
        if (catMap == null) {
          catMap = new TreeMap<>();
          catTopMoList.put(tag.getName(), catMap);
        }
        catMap.put(topObject.getName(), topObject);
      }
    }

  }

  /**
   * Generate the inheritance tree of all the managed objects.
   */
  @SuppressWarnings("unchecked")
  private void genManagedObjectInheritanceTree(
    TreeMap<String, TreeMap<String, AbstractManagedObjectDefinition>> list) {

    htmlHeader(DynamicConstants.PRODUCT_NAME + " " +
            "Configuration Reference - Inheritance View");
    tabMenu(INHERITANCE_TREE_FILE);
    viewHelp("This view represents the inheritance relationships between " +
      "configuration components.");
    jumpSection();

    for (String catName : list.keySet()) {
      heading3(getFriendlyName(catName));
      // Get the list of the category
      TreeMap<String, AbstractManagedObjectDefinition> catList = list.get(catName);
      for (AbstractManagedObjectDefinition mo : catList.values()) {
        RelationDefinition relDefn = relList.get(mo.getName());
        if (relDefn != null && relDefn.hasOption(RelationOption.HIDDEN)) {
          continue;
        }
        paragraph(
          getLink(mo.getUserFriendlyName().toString(),
          mo.getName() + ".html", MAIN_FRAME));
        if (mo.hasChildren()) {
          genMoInheritanceTree(makeMOTreeMap(mo.getChildren()));
        }
      }
    }

    htmlFooter();
    generateFile(INHERITANCE_TREE_FILE);
  }

  @SuppressWarnings("unchecked")
  private void genMoInheritanceTree(
    TreeMap<String, AbstractManagedObjectDefinition> catList) {

    beginList();
    for (AbstractManagedObjectDefinition mo : catList.values()) {
      link(mo.getUserFriendlyName().toString(), mo.getName() + ".html",
        MAIN_FRAME);
      if (mo.hasChildren()) {
        genMoInheritanceTree(makeMOTreeMap(mo.getChildren()));
      }
    }
    endList();
  }

   private void jumpSection() {
     htmlBuff.append("<p class=\"category-index\"><strong>Jump To:</strong><br>\n");

     String[] catNames = catTopMoList.keySet().toArray(new String[0]);
    for (int ii=0; ii < catNames.length; ii++) {
      if (ii != 0) {
        htmlBuff.append(", ");
      }
      String catFriendlyName = getFriendlyName(catNames[ii]);
      htmlBuff.append(getLink(catFriendlyName, "#" + catFriendlyName));
    }
    htmlBuff.append("</p>\n");
   }


  /**
   * Generate the relation tree of all the managed objects.
   */
  private void genManagedObjectRelationTree(
    TreeMap <String, TreeMap<String, RelationDefinition>> list) {

    htmlHeader(DynamicConstants.PRODUCT_NAME +
            " Configuration Reference - Structure View");
    tabMenu(RELATION_TREE_FILE);
    viewHelp("This view represents the structural relationships between " +
      "components and indicates how certain components can exist only within " +
      "container components.");
    jumpSection();

    for (String catName : list.keySet()) {
      heading3(getFriendlyName(catName));
      // Get the list of the category
      TreeMap<String, RelationDefinition> catList = list.get(catName);
      genMORelationTree(catList);
    }

    htmlFooter();
    generateFile(RELATION_TREE_FILE);
  }


  @SuppressWarnings("unchecked")
  private void genMORelationTree(TreeMap<String, RelationDefinition> list) {
    for (RelationDefinition rel : list.values()) {
      AbstractManagedObjectDefinition childMo = rel.getChildDefinition();
      AbstractManagedObjectDefinition parentMo = rel.getParentDefinition();
      // Does not generate several entry for the same relation
      if (relList.put(childMo.getName(), rel) != null) {
       continue;
      }
      if (rel.hasOption(RelationOption.HIDDEN)) {
        continue;
      }
      String linkStr = getLink(childMo.getUserFriendlyName().toString(),
        childMo.getName() + ".html", MAIN_FRAME);
      String fromStr = "";
      if (!parentMo.getName().equals("")) {
        fromStr = " (from " +
          getLink(parentMo.getUserFriendlyName().toString(),
          parentMo.getName() + ".html", MAIN_FRAME) + ")";
      }
      if (!inList) {
        paragraph(linkStr + fromStr);
      } else {
        bullet(linkStr + fromStr);
      }
      genMORelationSubTree(makeRelTreeMap(childMo.getAllRelationDefinitions()));
      if (childMo.hasChildren()) {
        for (Iterator<AbstractManagedObjectDefinition> it =
          childMo.getChildren().iterator(); it.hasNext();) {

          AbstractManagedObjectDefinition mo = it.next();
          if (mo.hasOption(ManagedObjectOption.HIDDEN))
          {
            continue;
          }
          genMORelationSubTree(makeRelTreeMap(mo.getAllRelationDefinitions()));
        }
      }
    }
  }


  private void genMORelationSubTree(TreeMap<String, RelationDefinition> list) {
    if (!list.values().isEmpty()) {
      beginList();
      genMORelationTree(list);
      endList();
    }
  }


  /**
   * Generate all the managed objects HTML pages.
   */
  @SuppressWarnings("unchecked")
  private void genAllManagedObject(
    TreeMap<String, AbstractManagedObjectDefinition> list) {

    for (AbstractManagedObjectDefinition mo : list.values()) {
      RelationDefinition relDefn = relList.get(mo.getName());
      if (relDefn != null && relDefn.hasOption(RelationOption.HIDDEN)) {
        continue;
      }
      moList.put(mo.getName(), mo);
      genManagedObject(mo);
      if (mo.hasChildren()) {
        genAllManagedObject(makeMOTreeMap(mo.getChildren()));
      }
    }
  }

  private void genManagedObject(AbstractManagedObjectDefinition mo) {
    //------------------------------------------------------------------------
    // Header
    //------------------------------------------------------------------------

    homeLink();
    String title = mo.getUserFriendlyName().toString();
    htmlHeader(DynamicConstants.PRODUCT_NAME + " - " + title);

    // title
    heading2(title);

    // Abstract notice
    if (mo.hasChildren()) {
      paragraph(
        "Note: this is an abstract component, that cannot be instantiated.",
        TextStyle.ITALIC);
    }

    // description
    paragraph(mo.getSynopsis());
    paragraph(mo.getDescription());

    // sub-components
    if (mo.hasChildren()) {
      heading3("Direct Subcomponents");
      paragraph("The following " + mo.getUserFriendlyPluralName() +
        " are available in the server :");
      beginList();
      @SuppressWarnings("unchecked")
      TreeMap<String, AbstractManagedObjectDefinition> children =
        makeMOTreeMap(mo.getChildren());
      for ( AbstractManagedObjectDefinition child : children.values()) {
        link(child.getUserFriendlyName().toString(), child.getName() + ".html");
      }
      endList();

      paragraph("These " + mo.getUserFriendlyPluralName() +
        " inherit from the properties described below.");
    }

    // Parent
    if (!mo.getParent().isTop()) {
      heading3("Parent Component");
      paragraph("The " + mo.getUserFriendlyName() +
        " component inherits from the " +
        getLink(mo.getParent().getUserFriendlyName().toString(),
        mo.getParent().getName() + ".html"));
    }

    // Relations
    generateRelationsSection(mo);

    // Page links in case of LDAP mapping
    if (ldapMapping) {
      newline();
      horizontalLine();
      newline();
      paragraph("This page describes the " + mo.getUserFriendlyName() + ":");
      beginList();
      link("Properties", "#Properties");
      link("LDAP Mapping", "#LDAP Mapping");
      endList();
      newline();
    }


    //------------------------------------------------------------------------
    // Properties
    //------------------------------------------------------------------------

    heading3("Properties");

    paragraph("A description of each property follows.");
    newline();

    TreeMap<String, PropertyDefinition> basicProps = new TreeMap<>();
    TreeMap<String, PropertyDefinition> advancedProps = new TreeMap<>();
    // Properties actually defined in this managed object
    @SuppressWarnings("unchecked")
    Collection<PropertyDefinition> props = mo.getAllPropertyDefinitions();
    for ( PropertyDefinition prop : props) {
      if (prop.hasOption(PropertyOption.ADVANCED)) {
        advancedProps.put(prop.getName(), prop);
      } else {
        basicProps.put(prop.getName(), prop);
      }
    }

    propertiesLinkTable(basicProps, advancedProps);

    // basic properties
    if (!basicProps.isEmpty()) {
      heading4("Basic Properties");
      for ( PropertyDefinition prop : basicProps.values()) {
        generateProperty(mo, prop);
        newline();
      }
      newline();
    }

    // advanced properties
    if (!advancedProps.isEmpty()) {
      heading4("Advanced Properties");
      for ( PropertyDefinition prop : advancedProps.values()) {
        generateProperty(mo, prop);
        newline();
      }
      newline();
    }

    if (ldapMapping) {
      genLdapMapping(mo);
    }

    htmlFooter();

    generateFile(mo.getName() + ".html");
  }


  private TreeMap<String, PropertyDefinition>
    getPropertyList(AbstractManagedObjectDefinition mo) {

    @SuppressWarnings("unchecked")
    Collection<PropertyDefinition> props = mo.getAllPropertyDefinitions();
    return makePropTreeMap(props);
  }

  private void homeLink() {
    htmlBuff.append("<div style=\"font-size:11px;margin-top:-10px;")
      .append("margin-bottom:-10px; text-align:right\"><a href=\"")
      .append(MAIN_FILE)
      .append("\" target=\"_top\">Configuration Reference Home</a></div>");
  }


  private void generateRelationsSection(AbstractManagedObjectDefinition mo) {
    // Composition relations
    @SuppressWarnings("unchecked")
    Collection<RelationDefinition> compRels = mo.getRelationDefinitions();
    @SuppressWarnings("unchecked")
    Collection<RelationDefinition> reverseCompRels =
      mo.getReverseRelationDefinitions();
    // Aggregation properties
    @SuppressWarnings("unchecked")
    Collection<AggregationPropertyDefinition> aggregProps =
      mo.getAggregationPropertyDefinitions();
    @SuppressWarnings("unchecked")
    Collection<AggregationPropertyDefinition> reverseAggregProps =
      mo.getReverseAggregationPropertyDefinitions();


    // Check if something to print in composition relations
    // (even if the list not empty, it may contain only hidden relations)
    boolean isCompRelsEmpty = true;
    if (!compRels.isEmpty()) {
      for (RelationDefinition rel : compRels) {
        if (rel.hasOption(RelationOption.HIDDEN)) {
          continue;
        }
        isCompRelsEmpty = false;
      }
    }
    boolean isReverseCompRelsEmpty = true;
    if (!reverseCompRels.isEmpty()) {
      for (RelationDefinition rel : reverseCompRels) {
        if (rel.hasOption(RelationOption.HIDDEN)) {
          continue;
        }
        // check if it is not root
        if (rel.getParentDefinition().getName().equals("")) {
          continue;
        }
        isReverseCompRelsEmpty = false;
      }
    }

    // Check if something to print in reverse aggregation relations
    // (even if the list not empty, it may contain only relations from
    // hidden component)
    boolean isReverseAggregPropsEmpty = true;
    if (!reverseAggregProps.isEmpty()) {
      for (AggregationPropertyDefinition agg : reverseAggregProps) {
        AbstractManagedObjectDefinition fromMo =
          agg.getManagedObjectDefinition();
        @SuppressWarnings("unchecked")
        Collection<RelationDefinition> rels =
          fromMo.getAllReverseRelationDefinitions();
        for (RelationDefinition rel : rels) {
          if (rel.hasOption(RelationOption.HIDDEN)) {
            continue;
          }
          isReverseAggregPropsEmpty = false;
        }
      }
    }


    //
    // Relations FROM this component
    //

    if (!isCompRelsEmpty || !aggregProps.isEmpty()) {
        heading3("Relations From this Component");
    }

    if (!isCompRelsEmpty) {
      paragraph(
        "The following components have a direct COMPOSITION relation FROM " +
        mo.getUserFriendlyPluralName() + " :");
      for ( RelationDefinition rel : compRels) {
        if (rel.hasOption(RelationOption.HIDDEN)) {
          continue;
        }
        beginList();
        AbstractManagedObjectDefinition childRel = rel.getChildDefinition();
        link(childRel.getUserFriendlyName().toString(), childRel.getName() +
          ".html");
        endList();
      }
    }
    if (!aggregProps.isEmpty()) {
      paragraph(
        "The following components have a direct AGGREGATION relation FROM " +
        mo.getUserFriendlyPluralName() + " :");
      TreeMap<String, AbstractManagedObjectDefinition> componentList = new TreeMap<>();
      for ( AggregationPropertyDefinition agg : aggregProps) {
        RelationDefinition rel = agg.getRelationDefinition();
        AbstractManagedObjectDefinition childRel = rel.getChildDefinition();
        componentList.put(childRel.getName(), childRel);
      }
      for (AbstractManagedObjectDefinition component : componentList.values()) {
        beginList();
        link(component.getUserFriendlyName().toString(), component.getName() + ".html");
        endList();
      }
    }


    //
    // Relations TO this component
    //

    if (!isReverseCompRelsEmpty || !isReverseAggregPropsEmpty) {
        heading3("Relations To this Component");
    }

    if (!mo.getReverseRelationDefinitions().isEmpty()
        && !isReverseCompRelsEmpty)
    {
      paragraph(
        "The following components have a direct COMPOSITION relation TO " +
        mo.getUserFriendlyPluralName() + " :");
      for ( RelationDefinition rel : reverseCompRels) {
        beginList();
        AbstractManagedObjectDefinition childRel = rel.getParentDefinition();
        link(childRel.getUserFriendlyName().toString(), childRel.getName() + ".html");
        endList();
      }
    }
    if (!isReverseAggregPropsEmpty) {
      paragraph(
        "The following components have a direct AGGREGATION relation TO " +
        mo.getUserFriendlyPluralName() + " :");
      TreeMap<String, AbstractManagedObjectDefinition> componentList = new TreeMap<>();
      for ( AggregationPropertyDefinition agg : reverseAggregProps) {
        AbstractManagedObjectDefinition fromMo =
          agg.getManagedObjectDefinition();
        componentList.put(fromMo.getName(), fromMo);
      }
      for (AbstractManagedObjectDefinition component : componentList.values()) {
        beginList();
        link(component.getUserFriendlyName().toString(), component.getName() +
          ".html");
        endList();

      }
    }

  }

  private void generateProperty(
    AbstractManagedObjectDefinition mo, PropertyDefinition prop) {

    // Property name
    paragraph(getAnchor(prop.getName()) + prop.getName(), TextStyle.STANDARD,
      "propertyname");

    // Property table
    startTable();
    tableRow("Description",
      ((prop.getSynopsis() != null) ? prop.getSynopsis()+ " " : "") +
      ((prop.getDescription() != null) ?
        prop.getDescription().toString() : ""));

    // Default value
    String defValueStr = getDefaultBehaviorString(prop);
    tableRow("Default Value", defValueStr);

    tableRow("Allowed Values", getSyntaxStr(prop));

    tableRow("Multi-valued",
      prop.hasOption(PropertyOption.MULTI_VALUED) ? "Yes" : "No");

    if (prop.hasOption(PropertyOption.MANDATORY)) {
      tableRow("Required", "Yes");
    } else {
      tableRow("Required", "No");
    }

    String action = "None";
    if (prop.getAdministratorAction() != null) {
      LocalizableMessage synopsis = prop.getAdministratorAction().getSynopsis();
      Type actionType = prop.getAdministratorAction().getType();
      String actionStr = "";
      if (actionType == Type.COMPONENT_RESTART) {
        actionStr = "The " + mo.getUserFriendlyName() +
          " must be disabled and re-enabled for changes to this setting " +
          "to take effect";
      } else if (actionType == Type.SERVER_RESTART) {
        actionStr = "Restart the server";
      } else if (actionType == Type.NONE) {
        actionStr = "None";
      }
      String dot = actionStr.equals("") ? "" : ". ";
      action = actionStr +
        ((synopsis != null) ? dot + synopsis : "");
    }
    tableRow("Admin Action Required", action);

    if (prop.hasOption(PropertyOption.ADVANCED)) {
      tableRow("Advanced Property", "Yes");
    } else {
      tableRow("Advanced Property", "No");
    }

    if (prop.hasOption(PropertyOption.READ_ONLY)) {
      tableRow("Read-only", "Yes");
    } else {
      tableRow("Read-only", "No");
    }

    endTable();

  }


  private void propertiesLinkTable(TreeMap<String,
    PropertyDefinition> basicProps,
    TreeMap<String, PropertyDefinition> advancedProps) {
    htmlBuff.append("<table border=\"0\" cellspacing=\"0\" class=\"jump-table\">\n")
        .append("  <tr>\n")
        .append("    <th>Basic Properties:</th>\n")
        .append("    <th>Advanced Properties:</th>\n")
        .append("  </tr>\n");

    PropertyDefinition[] basicPropsArray =
      basicProps.values().toArray(new PropertyDefinition[0]);
    PropertyDefinition[] advancedPropsArray =
      advancedProps.values().toArray(new PropertyDefinition[0]);

    for (int ii=0;
        ii < basicPropsArray.length || ii < advancedPropsArray.length;
        ii++) {
      String basicPropName =
        ii < basicPropsArray.length ? basicPropsArray[ii].getName() : null;
      String advancedPropName =
        ii < advancedPropsArray.length ?
          advancedPropsArray[ii].getName() : null;

      String basicHtmlCell = "";
      if (basicPropName != null) {
        basicHtmlCell = "  <td>&darr;&nbsp;<a href=\"#" + basicPropName + "\">"
          + basicPropName + "</a></td>\n";
      } else if (basicPropsArray.length == 0 && ii == 0) {
        basicHtmlCell = "  <td>&nbsp;None</td>\n";
      } else if (ii >= basicPropsArray.length) {
        // Case of nb of basic props < nb of advanced props
        basicHtmlCell = "  <td></td>\n";
      }

      String advancedHtmlCell = "";
      if (advancedPropName != null) {
        advancedHtmlCell = "  <td>&darr;&nbsp;<a href=\"#" + advancedPropName +
          "\">" + advancedPropName + "</a></td>\n";
      } else if (advancedPropsArray.length == 0 && ii == 0) {
        advancedHtmlCell = "  <td>&nbsp;None</td>\n";
      }

      htmlBuff.append("<tr>\n");
      htmlBuff.append(basicHtmlCell).append(advancedHtmlCell);
      htmlBuff.append("</tr>\n");
    }
    htmlBuff.append("</table>\n");
  }


  private void genLdapMapping(AbstractManagedObjectDefinition mo) {
    //------------------------------------------------------------------------
    // LDAP mapping
    //------------------------------------------------------------------------

    heading3("LDAP Mapping");
    paragraph(
      "Each configuration property can be mapped to a specific " +
      "LDAP attribute under the \"cn=config\" entry. " +
      "The mappings that follow are provided for information only. " +
      "In general, you should avoid changing the server configuration " +
      "by manipulating the LDAP attributes directly.");

    // Managed object table
    startTable();

    LDAPProfile ldapProfile = LDAPProfile.getInstance();
    tableRow("Base DN", getBaseDN(mo, ldapProfile));

    tableRow("objectclass name", ldapProfile.getObjectClass(mo));
    if (mo.getParent().getName() != null) {
      String superior = "";
      if (mo.getParent().getName().equals("top")) {
        superior = "top";
      } else {
        if (moList.get(mo.getParent().getName()) != null) {
          superior =
            ldapProfile.getObjectClass(moList.get(mo.getParent().getName()));
        } else {
          System.err.println(
            "Error: managed object " + mo.getName() + " not found.");
        }
      }
      tableRow("objectclass superior", superior);
    } else {
      System.err.println(
        "Error: objectclass superior not found for " + mo.getName());
    }
    endTable();

    newline();
    // Properties table
    startTable();
    tableRow("Property", "LDAP attribute");
    for ( PropertyDefinition prop : getPropertyList(mo).values()) {
      tableRow(prop.getName(), ldapProfile.getAttributeName(mo, prop));
    }

    endTable();

  }

  private void genManagedObjectList(
    TreeMap<String, AbstractManagedObjectDefinition> list) {

    htmlHeader(DynamicConstants.PRODUCT_NAME
            + " Configuration Reference - Components View");
    tabMenu(MO_LIST_FILE);
    viewHelp("This view provides a list of all configuration components, " +
      "in alphabetical order.");

    newline();
    StringBuffer moPointers = new StringBuffer();
    String lettersPointers = "";
    String firstChar = ".";
    for (AbstractManagedObjectDefinition mo : list.values()) {
      if (!mo.getName().startsWith(firstChar)) {
        firstChar = mo.getName().substring(0, 1);
        String letter = firstChar.toUpperCase();
        moPointers.append(getAnchor(letter)).append(getHeading2(letter));
        lettersPointers += getLink(letter, "#" + letter) + " ";
      }
      moPointers.append("<p> ")
        .append(getLink(mo.getUserFriendlyName().toString(), mo.getName() + ".html", MAIN_FRAME))
        .append("</p>\n");
    }
    paragraph(lettersPointers);
    htmlBuff.append(moPointers);
    htmlFooter();
    generateFile(MO_LIST_FILE);
  }

  private void genPropertiesIndex() {

    // Build a sorted list of (property name + its managed object name)
    TreeSet<String> propMoList = new TreeSet<>();
    for (AbstractManagedObjectDefinition<?, ?> mo : moList.values()) {
      for (PropertyDefinition<?> prop : mo.getPropertyDefinitions()) {
        propMoList.add(
          prop.getName() + "," + prop.getManagedObjectDefinition().getName());
      }
    }

    String lettersPointers = "";
    String firstChar = ".";
    for (String propMoStr : propMoList) {
      String[] propMoArray = propMoStr.split(",");
      String propName = propMoArray[0];
      AbstractManagedObjectDefinition mo = moList.get(propMoArray[1]);
      if (!propName.startsWith(firstChar)) {
        firstChar = propName.substring(0, 1);
        String letter = firstChar.toUpperCase();
        htmlBuff.append(getAnchor(letter)).append(getHeading2(letter));
        lettersPointers += getLink(letter, "#" + letter) + " ";
      }
      String propLink = getLink(propName,
        mo.getName() + ".html" + "#" + propName, MAIN_FRAME);
      String moLink =
        getLink(mo.getUserFriendlyName().toString(), mo.getName() + ".html",
        MAIN_FRAME, "#666");
      paragraph(propLink + "  [ " + moLink + " ]");
    }

    String indexBody = htmlBuff.toString();
    htmlBuff = new StringBuffer();
    htmlHeader(DynamicConstants.PRODUCT_NAME +
            " Configuration Reference - Properties View");
    tabMenu(PROPERTIES_INDEX_FILE);
    viewHelp("This view provides a list of all configuration properties, " +
      "in alphabetical order, and indicates the configuration component to " +
      "which each property applies.");

    newline();
    paragraph(lettersPointers);
    htmlBuff.append(indexBody);
    htmlFooter();
    generateFile(PROPERTIES_INDEX_FILE);
  }

    private void genWelcomePage() {
    htmlHeader(DynamicConstants.PRODUCT_NAME +
            " Configuration Reference - Welcome");
    heading2("About This Reference");
    paragraph("This reference " +
      "describes the " + DynamicConstants.PRODUCT_NAME +
      " configuration properties that can be manipulated " +
      "with the dsconfig command.");
    paragraph("Configuration components are grouped according to the area of " +
      "the server in which they are used, as follows:");

    beginList();
    for (String catName : catTopMoList.keySet()) {
      bullet(getFriendlyName(catName));
    }
    endList();

    paragraph(
      "For ease of reference, the configuration is described on multiple " +
      "tabs. These tabs provide alternative views of the configuration " +
      "components:");
    beginList();
    bullet("The <strong>Inheritance</strong> view represents the inheritance " +
      "relationships between configuration components. A sub-component " +
      "inherits all of the properties of its parent component.");
    bullet("The <strong>Structure</strong> view represents the structural " +
      "relationships between components and indicates how certain components " +
      "can exist only within container components. When a container " +
      "component is deleted, all of the components within it are also " +
      "deleted.");
    bullet(
      "The <strong>Components</strong> view provides an alphabetical list " +
      "of all configuration components.");
    bullet(
      "The <strong>Properties</strong> view provides an alphabetical list " +
      "of all configuration properties, and indicates the configuration " +
      "component to which each property applies.");
    endList();

    newline();
    paragraph("When you set up " +
            DynamicConstants.PRODUCT_NAME +
            ", certain components are created in the " +
      "configuration by default. These components are configured with " +
      "specific values, which are not necessarily the same as the " +
      "\"default values\" of new components that you create using dsconfig. " +
      "The \"default values\" listed in this document refer to the values " +
      "of the new components that you create using dsconfig.");

    htmlFooter();
    generateFile(WELCOME_FILE);

  }

  private void genMainTopPage() {
    htmlHeader(DynamicConstants.PRODUCT_NAME +
            " Configuration Reference - Main Top");
    // "Home" might be depend on where this is published.
    /*
    htmlBuff.append("<div class=\"breadcrumb\"><span class=\"pageactions\">" +
      "<a href=\"" + OpenDJHome + "\" target=\"_parent\">" +
      "<span style=\"font-size: 12px;\">&laquo;&nbsp;&nbsp;</span>" +
      "Back to " +
      DynamicConstants.PRODUCT_NAME + " Home</a></span>&nbsp;&nbsp;</div>\n");
    */
    htmlBuff.append("<div class=\"breadcrumb\"><span class=\"pageactions\">" +
            "&nbsp;&nbsp;</span>&nbsp;&nbsp;</div>\n");
    htmlBuff.append("<table class=\"titletable\" cellspacing=\"0\" " +
      "width=\"100%\">\n");
    htmlBuff.append("<tbody><tr>\n");
    htmlBuff.append("  <td><h2>"+
            DynamicConstants.PRODUCT_NAME +
            " Configuration Reference</h2></td>\n");
    /*
    htmlBuff.append("  <td valign=\"bottom\" width=\"10%\">" +
      "<a href=\"" + OpenDJHome + "\" target=\"_parent\">" +
      "<img src=\"opendj_logo_sm.png\" alt=\"OpenDJ Logo\" align=\"bottom\" " +
      "border=\"0\" height=\"33\" width=\"114\"></a></td>\n");
    */
    htmlBuff.append("  <td valign=\"bottom\" width=\"10%\">" +
            "<img src=\"opendj_logo_sm.png\" alt=\"OpenDJ Logo\" align=\"bottom\" " +
            "border=\"0\" height=\"33\" width=\"114\"></td>\n");
    htmlBuff.append("</tr>\n");
    htmlBuff.append("</tbody></table>\n");

    htmlFooter();
    generateFile(MAINTOP_FILE);

  }

  private void genIndexPage() {
    htmlBuff.append(getHtmlHeader(
            DynamicConstants.PRODUCT_NAME + " Configuration Reference"));

    htmlBuff.append("<frameset rows=\"80,*\" framespacing=\"1\" " +
      "frameborder=\"yes\" border=\"1\" bordercolor=\"#333333\">\n");
    htmlBuff.append("  <frame src=\"" + MAINTOP_FILE + "\" name=\"topFrame\" " +
      "id=\"topFrame\" border=\"1\" title=\"topFrame\" scrolling=\"no\">\n");
    htmlBuff.append("  <frameset cols=\"375,*\" frameborder=\"yes\" " +
      "border=\"1\" " +
      "framespacing=\"1\">\n");
    htmlBuff.append("     <frame src=\"" + INHERITANCE_TREE_FILE + "\" " +
      "name=\"leftFrame\" id=\"leftFrame\" title=\"leftFrame\" " +
      "scrolling=\"auto\">\n");
    htmlBuff.append("     <frame src=\"" + WELCOME_FILE +
      "\" name=\"mainFrame\" " +
      "id=\"mainFrame\" title=\"mainFrame\" scrolling=\"auto\">\n");
    htmlBuff.append("   </frameset>\n");
    htmlBuff.append("</frameset>\n");
    htmlBuff.append("<noframes><body>\n");
    htmlBuff.append("</body>\n");
    htmlBuff.append("</noframes>\n");
    htmlBuff.append("</html>\n");

    generateFile(INDEX_FILE);
  }

  private String getBaseDN(
    AbstractManagedObjectDefinition mo, LDAPProfile ldapProfile) {

    RelationDefinition rel = relList.get(mo.getName());
    if (rel != null) {
      String baseDn = ldapProfile.getRelationRDNSequence(rel);
      if (!baseDn.equals("")) {
        return baseDn;
      } else {
        // Check the parent relation
        return getBaseDN(rel.getParentDefinition(), ldapProfile);
      }
    } else if (moList.get(mo.getParent().getName()) != null) {
      // check its superior
      return getBaseDN(moList.get(mo.getParent().getName()), ldapProfile);
    } else {
      System.err.println("Error: Base DN not found for " + mo.getName());
    }
    return null;
  }

  @SuppressWarnings("unchecked")
  private String getSyntaxStr(PropertyDefinition prop) {
    // Create a visitor for performing syntax specific processing.
    PropertyDefinitionVisitor<String, Void> visitor =
      new PropertyDefinitionVisitor<String, Void>() {

      @Override
      public String visitACI(ACIPropertyDefinition prop, Void p) {
        // Rather than return a link that is coupled to a site location,
        // assume that readers can find ACI syntax in the documentation.
        // ACI syntax being difficult to understand and to explain,
        // it is better not to have to maintain a separate page, either.
        return "An ACI syntax"; // getLink("An ACI Syntax", aciSyntaxPage);
      }

      @Override
      public String visitAggregation(
        AggregationPropertyDefinition prop, Void p) {

        RelationDefinition rel = prop.getRelationDefinition();
        String linkStr = getLink(rel.getUserFriendlyName().toString(),
          rel.getName() + ".html");
      return "The DN of any " +  linkStr + ". " +
        ((prop.getSourceConstraintSynopsis() != null) ?
          prop.getSourceConstraintSynopsis().toString() : "");
      }

      @Override
      public String visitAttributeType(
        AttributeTypePropertyDefinition prop, Void p) {
        return "The name of an attribute type defined in the server schema.";
      }

      @Override
      public String visitBoolean(BooleanPropertyDefinition prop, Void p) {
        return "true" + getNewLine() + "false";
      }

      @Override
      public String visitClass(ClassPropertyDefinition prop, Void p) {
        String classStr =
          "A java class that implements or extends the class(es) :";
        for (String clazz : prop.getInstanceOfInterface()) {
          classStr += getNewLine() + clazz;
        }
        return classStr;
      }

      @Override
      public String visitDN(DNPropertyDefinition prop, Void p) {
        String retStr = "A valid DN.";
        if (prop.getBaseDN() != null) {
          retStr += prop.getBaseDN().toString();
        }
        return retStr;
      }

      @Override
      public String visitDuration(DurationPropertyDefinition prop, Void p) {
        String durationStr = "";

        durationStr += getLink("A duration Syntax", durationSyntaxPage) +
          ". ";
        if (prop.isAllowUnlimited()) {
          durationStr += "A value of \"-1\" or \"unlimited\" for no limit. ";
        }
        if (prop.getMaximumUnit() != null) {
          durationStr += "Maximum unit is \"" +
            prop.getMaximumUnit().getLongName() + "\". ";
        }
        long lowerLimitStr = Double.valueOf(prop.getBaseUnit().
          fromMilliSeconds(prop.getLowerLimit())).longValue();
        durationStr += "Lower limit is " + lowerLimitStr +
          " " + prop.getBaseUnit().getLongName() + ". ";
        if (prop.getUpperLimit() != null) {
          long upperLimitStr = Double.valueOf(prop.getBaseUnit().
            fromMilliSeconds(prop.getUpperLimit())).longValue();
          durationStr += "Upper limit is " + upperLimitStr +
            " " + prop.getBaseUnit().getLongName() + ". ";
        }

        return durationStr;
      }

      @Override
      public String visitEnum(EnumPropertyDefinition prop, Void p) {
        String enumStr = "";
        Class en = prop.getEnumClass();
        for (Object cst : en.getEnumConstants()) {
          enumStr += cst.toString();
          if (prop.getValueSynopsis((Enum) cst) != null) {
            enumStr += " - " + prop.getValueSynopsis((Enum) cst);
          }
          enumStr += getNewLine() + getNewLine();
        }
        return enumStr;
      }

      @Override
      public String visitInteger(IntegerPropertyDefinition prop, Void p) {
        String intStr = "An integer value.";
        intStr += " Lower value is " + prop.getLowerLimit() + ".";
        if (prop.getUpperLimit() != null) {
          intStr += " Upper value is " + prop.getUpperLimit() + " .";
        }
        if (prop.isAllowUnlimited()) {
          intStr += " A value of \"-1\" or \"unlimited\" for no limit.";
        }
        if (prop.getUnitSynopsis() != null) {
          intStr += " Unit is " + prop.getUnitSynopsis() + ".";
        }
        return intStr;
      }

      @Override
      public String visitIPAddress(IPAddressPropertyDefinition prop, Void p) {
        return "An IP address";
      }

      @Override
      public String visitIPAddressMask(
        IPAddressMaskPropertyDefinition prop, Void p) {

        return "An IP address mask";
      }

      @Override
      public String visitSize(SizePropertyDefinition prop, Void p) {
        String sizeStr = "A positive integer representing a size.";
        if (prop.getLowerLimit() != 0) {
          sizeStr += " Lower value is " + prop.getLowerLimit() + ".";
        }
        if (prop.getUpperLimit() != null) {
          sizeStr += " Upper value is " + prop.getUpperLimit() + " .";
        }
        if (prop.isAllowUnlimited()) {
          sizeStr += " A value of \"-1\" or \"unlimited\" for no limit.";
        }
        return sizeStr;
      }

      @Override
      public String visitString(StringPropertyDefinition prop, Void p) {
        String retStr = "A String";
        if (prop.getPatternSynopsis() != null) {
          retStr = prop.getPatternSynopsis().toString();
        }
        return retStr;
      }

      @Override
      public String visitUnknown(PropertyDefinition prop, Void p) {
        return "Unknown";
      }
    };

    // Invoke the visitor against the property definition.
    return (String) prop.accept(visitor, null);

  }

  @SuppressWarnings("unchecked")
  private String getDefaultBehaviorString(PropertyDefinition prop) {
    DefaultBehaviorProvider defaultBehav = prop.getDefaultBehaviorProvider();
    String defValueStr = "";
    if (defaultBehav instanceof UndefinedDefaultBehaviorProvider) {
      defValueStr = "None";
    } else if (defaultBehav instanceof DefinedDefaultBehaviorProvider) {
      DefinedDefaultBehaviorProvider defBehav =
        (DefinedDefaultBehaviorProvider) defaultBehav;
      for (Iterator<String> it = defBehav.getDefaultValues().iterator();
      it.hasNext();) {

        String str = it.next();
        defValueStr += str + (it.hasNext() ? "\n" : "");
      }
    } else if (defaultBehav instanceof AliasDefaultBehaviorProvider) {
      AliasDefaultBehaviorProvider aliasBehav = (
        AliasDefaultBehaviorProvider) defaultBehav;
      defValueStr = aliasBehav.getSynopsis().toString();
    } else if
      (defaultBehav instanceof RelativeInheritedDefaultBehaviorProvider) {
      RelativeInheritedDefaultBehaviorProvider relativBehav =
        (RelativeInheritedDefaultBehaviorProvider) defaultBehav;
      defValueStr = getDefaultBehaviorString(
        relativBehav.getManagedObjectDefinition().
        getPropertyDefinition(relativBehav.getPropertyName()));
    } else if
      (defaultBehav instanceof AbsoluteInheritedDefaultBehaviorProvider) {
      AbsoluteInheritedDefaultBehaviorProvider absoluteBehav =
        (AbsoluteInheritedDefaultBehaviorProvider) defaultBehav;
      defValueStr = getDefaultBehaviorString(
        absoluteBehav.getManagedObjectDefinition().
        getPropertyDefinition(absoluteBehav.getPropertyName()));
    }
    return defValueStr;
  }

  private TreeMap<String, AbstractManagedObjectDefinition> makeMOTreeMap(
    Collection<AbstractManagedObjectDefinition> coll) {

    if (coll == null) {
      return null;
    }
    TreeMap<String, AbstractManagedObjectDefinition> map = new TreeMap<>();
    for (AbstractManagedObjectDefinition mo : coll) {
      if (mo.hasOption(ManagedObjectOption.HIDDEN))
      {
        continue;
      }
      map.put(mo.getName(), mo);
    }
    return map;
  }

  private TreeMap<String, RelationDefinition> makeRelTreeMap(
    Collection<RelationDefinition> coll) {

    if (coll == null) {
      return null;
    }
    TreeMap<String, RelationDefinition> map = new TreeMap<>();
    for (RelationDefinition rel : coll) {
      map.put(rel.getChildDefinition().getName(), rel);
    }
    return map;
  }

  private TreeMap<String, PropertyDefinition> makePropTreeMap(
    Collection<PropertyDefinition> coll) {

    if (coll == null) {
      return null;
    }
    TreeMap<String, PropertyDefinition> map = new TreeMap<>();
    for (PropertyDefinition prop : coll) {
      map.put(prop.getName(), prop);
    }
    return map;
  }

  private void horizontalLine() {
    htmlBuff.append("<hr style=\"width: 100%; height: 2px;\">");
  }

  private void endTable() {
    htmlBuff.append("</tbody>\n");
    htmlBuff.append("</table>\n");
  }

  private void bullet(String str) {
    htmlBuff.append("<li>").append(str).append("</li>\n");
  }

  private void heading2(String string) {
    heading(string, 2);
  }

  private void heading3(String string) {
    heading(string, 3);
  }

  private void heading4(String string) {
    heading(string, 4);
  }

  private void heading(String str, int level) {
    htmlBuff.append(getHeading(str, level));
  }

  private String getHeading(String str, int level) {
    String strLevel = Integer.valueOf(level).toString();
    return "<h" + strLevel + ">" +
      "<a name=\"" + str + "\"></a>" +
      str +
      "</h" + strLevel + ">\n";
  }

  private String getHeading2(String str) {
    return getHeading(str, 2);
  }

  private String getAnchor(String str) {
    return "<a name=\"" + str + "\"></a>";
  }

  private void htmlHeader(String pageTitle) {
    htmlBuff.append(getHtmlHeader(pageTitle)).append("<body>\n");

  }

  private final String Now = new Date().toString();
  private String getHtmlHeader(String pageTitle) {
    return "<html>\n" +
      "<head>\n" +
      "<meta http-equiv=\"content-type\"\n" +
      "content=\"text/html; charset=ISO-8859-1\">\n" +
      "<title>" + pageTitle + "</title>\n" +
      "<link rel=\"stylesheet\" type=\"text/css\"\n" +
      "href=\"" + CSS_FILE + "\">\n" +
      "<link rel=\"shortcut icon\" href=\"" + FAVICON + "\">\n" +
      "<meta name=\"date generated\" content=\"" + Now + "\">\n" +
      "</head>\n";
  }

  /** Add a Tab Menu, the active tab is the one given as parameter. */
  private void tabMenu(String activeTab) {
    htmlBuff.append(
      "<div class=\"tabmenu\"> " +

      "<span><a " +
      (activeTab.equals(INHERITANCE_TREE_FILE) ? "class=\"activetab\" " : "") +
      "href=\"" + INHERITANCE_TREE_FILE + "\"" +
      " title=\"Inheritance View of Components\">Inheritance</a></span> " +

      "<span><a " +
      (activeTab.equals(RELATION_TREE_FILE) ? "class=\"activetab\" " : "") +
      "href=\"" + RELATION_TREE_FILE + "\"" +
      " title=\"Relational View of Components\">Structure</a></span> " +

      "<span><a " +
      (activeTab.equals(MO_LIST_FILE) ? "class=\"activetab\" " : "") +
      "href=\"" + MO_LIST_FILE + "\"" +
      " title=\"Alphabetical Index of Components\">Components</a></span> " +

      "<span><a " +
      (activeTab.equals(PROPERTIES_INDEX_FILE) ? "class=\"activetab\" " : "") +
      "href=\"" + PROPERTIES_INDEX_FILE + "\"" +
      " title=\"Alphabetical Index of Properties\" >Properties</a></span>" +

      "</div>" +
      "\n"
      );
  }

  private String getLink(String str, String link) {
    return getLink(str, link, null, null);
  }

  private String getLink(String str, String link, String target) {
    return getLink(str, link, target, null);
  }

  private String getLink(String str, String link, String target, String color) {
    return "<a " +
      (color != null ? "style=\"color:" + color + "\" " : "") +
      "href=\"" + link + "\"" +
      (target == null ? "" : " target=\"" + target + "\"") +
      ">"
      + str + "</a>";
  }

  private void link(String str, String link) {
    link(str, link, null, null);
  }

  private void link(String str, String link, String target) {
    link(str, link, target, null);
  }

  private void link(String str, String link, String target, String color) {
    String htmlStr = "";
    if (!inList && getIndentPixels() > 0) {
      htmlStr += "<div style=\"margin-left: " + getIndentPixels() + "px;\">";
    } else if (inList) {
      htmlStr += "<li>";
    }
    htmlStr += getLink(str, link, target, color);
    if (!inList && getIndentPixels() > 0) {
      htmlStr += "</div>";
    } else if (inList) {
      htmlStr += "</li>";
    }
    if (!inList) {
      htmlStr += "<br>";
    }
    htmlBuff.append(htmlStr).append("\n");
  }

  private void newline() {
    htmlBuff.append(
      getNewLine());
  }

  private String getNewLine() {
    return "<br>\n";
  }

  private void paragraph(LocalizableMessage description) {
    if (description != null) {
      paragraph(description.toString());
    }
  }

  private void paragraph(String description) {
    paragraph(description, TextStyle.STANDARD, null);
  }

  private void paragraph(String description, TextStyle style) {
    paragraph(description, style, null);
  }

  private void paragraph(String description, TextStyle style, String pClass) {
    String indentStr = "";
    String styleStr = "";
    String classStr = "";
    if (getIndentPixels() > 0) {
      indentStr = "style=\"margin-left: " + getIndentPixels() + "px;\"";
    }
    if (style == TextStyle.BOLD) {
      styleStr = "style=\"font-weight: bold;\"";
    } else if (style == TextStyle.ITALIC) {
      styleStr = "style=\"font-style: italic;\"";
    }
    if (pClass != null) {
      classStr = "class=" + pClass;
    }

    htmlBuff.append("<p ").append(indentStr).append(" ").append(styleStr).append(" ").append(classStr).append(">")
        .append(description)
        .append("</p>\n");
  }

  private int getIndentPixels() {
    return ind * 40;
  }

  private void startTable() {
    htmlBuff.append("<table ")
            .append("style=\"width: 100%; text-align: left;\"")
            .append("border=\"1\"")
            .append("cellpadding=\"1\"")
            .append("cellspacing=\"0\"")
            .append(">\n");

    htmlBuff.append("<tbody>\n");
  }

  /**
   * Generate a "friendly" name from a string :
   * '-' and '_' replaced by space
   * first letter of a word in uppercase
   */
  private String getFriendlyName(String str) {
    String retStr = "";
    String[] words = str.split("\\p{Punct}");
    for (int ii = 0; ii < words.length; ii++) {
      if (ii>0) {
        retStr += " ";
      }
      String word = words[ii];
       String firstChar = word.substring(0, 1).toUpperCase();
       retStr += firstChar + word.substring(1, word.length());
    }
    return retStr;
  }

  private void tableRow(String... strings) {
    htmlBuff.append(
      "<tr>\n");
    for (int ii = 0; ii < strings.length; ii++) {
      String string = strings[ii];
      htmlBuff.append("<td style=\"")
              .append("vertical-align: top; ")
              .append(ii == 0 ? "width: 20%;" : "")
              .append("\">")
              .append(string)
              .append("<br></td>");
    }
    htmlBuff.append(
      "</tr>\n");
  }

  /**
   * Text style.
   */
  private enum TextStyle {

    STANDARD, BOLD, ITALIC, UNDERLINE, FIXED_WIDTH
  }

  private void beginList() {
    inList = true;
    listLevel++;
    htmlBuff.append(
      "<ul>\n");
  }

  private void endList() {
    listLevel--;
    if (listLevel == 0) {
      inList = false;
    }
    htmlBuff.append(
      "</ul>\n");
  }

  private void htmlFooter() {
    htmlBuff.append("</body>\n").append("</html>\n");
  }

  private void viewHelp(String helpStr) {
    htmlBuff.append("<p class=\"view-help\" >")
            .append(helpStr)
            .append("</p>")
            .append("\n");
  }

  private void generateFile(String fileName) {
    // Write the html buffer in a file
    try {
      PrintWriter file = new java.io.PrintWriter(
        new java.io.FileWriter(generationDir + File.separator + fileName));
      file.write(htmlBuff.toString());
      file.close();
    } catch (Exception e) {
      e.printStackTrace();
      System.exit(1);
    }
    // re-init html buffer
    htmlBuff = new StringBuffer();
  }

  /** Relation List from RootConfiguration. */
  private final TreeMap<String, RelationDefinition> topRelList = new TreeMap<>();
  private final TreeMap<String, RelationDefinition> relList = new TreeMap<>();
  private final TreeMap<String, TreeMap<String, RelationDefinition>> catTopRelList = new TreeMap<>();
  /** Managed object list. */
  private final TreeMap<String, AbstractManagedObjectDefinition> moList = new TreeMap<>();
  private final TreeMap<String, AbstractManagedObjectDefinition> topMoList = new TreeMap<>();
  private final TreeMap<String, TreeMap<String, AbstractManagedObjectDefinition>>
    catTopMoList = new TreeMap<>();
  private final int ind = 0;
  private StringBuffer htmlBuff = new StringBuffer();
  private static String generationDir;
  private static boolean ldapMapping;
  private static String OpenDJWiki;
  private static String OpenDJHome;
  private static String aciSyntaxPage;
  private static String durationSyntaxPage;
  private boolean inList;
  private int listLevel;
}