/*
    * The MIT License
    * Copyright © 2004-2014 Fabrizio Giustina
    * Copyright © 2022-2022 Web-Legacy
    *
    * Permission is hereby granted, free of charge, to any person obtaining a copy
    * of this software and associated documentation files (the "Software"), to deal
    * in the Software without restriction, including without limitation the rights
    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   */
  package net.sf.maventaglib;
  
  import java.io.File;
  import java.io.IOException;
  import java.text.MessageFormat;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Locale;
  
  import javax.xml.parsers.DocumentBuilder;
  
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugins.annotations.Mojo;
  import org.apache.maven.plugins.annotations.Parameter;
  import org.apache.maven.reporting.AbstractMavenReport;
  import org.apache.maven.reporting.MavenReportException;
  import org.codehaus.plexus.util.FileUtils;
  import org.w3c.dom.Document;
  
  import net.sf.maventaglib.checker.Tld;
  import net.sf.maventaglib.checker.TldParser;
  import net.sf.maventaglib.util.XmlHelper;
  
  
  /**
   * Generates a tag reference xdoc that can be integrated in a maven generated site.
   * @author Fabrizio Giustina
   * @version $Id: TagreferenceMojo.java 217 2014-08-15 20:50:32Z fgiust $
   */
  @Mojo(name="tagreference")
  public class TagreferenceMojo extends AbstractMavenReport
  {
  
      /**
       * Directory containing tld files. Subdirectories are also processed.
       */
      @Parameter(alias="taglib.src.dir", defaultValue="src/main/resources/META-INF")
      private File srcDir;
  
      /**
       * Whether to parse html in the description of tld info, tags and attributes. The default value is false.
       */
      @Parameter(defaultValue="false")
      private boolean parseHtml;
  
      /**
       * @see org.apache.maven.reporting.MavenReport#getOutputName()
       */
      public String getOutputName()
      {
          return "tagreference"; //$NON-NLS-1$
      }
  
      /**
       * @see org.apache.maven.reporting.MavenReport#getName(java.util.Locale)
       */
      public String getName(Locale locale)
      {
          return Messages.getString(locale, "Tagreference.name"); //$NON-NLS-1$
      }
  
      /**
       * @see org.apache.maven.reporting.MavenReport#getDescription(java.util.Locale)
       */
      public String getDescription(Locale locale)
      {
          return Messages.getString(locale, "Tagreference.description"); //$NON-NLS-1$
      }
  
      /**
       * @see org.apache.maven.reporting.AbstractMavenReport#executeReport(java.util.Locale)
       */
      @Override
      protected void executeReport(Locale locale) throws MavenReportException
      {
          if (!srcDir.isDirectory())
         {
             throw new MavenReportException(MessageFormat.format(
                 Messages.getString("Taglib.notadir"), //$NON-NLS-1$
                     srcDir.getAbsolutePath()));
         }
 
         getLog().debug(
             MessageFormat.format(Messages.getString("Taglib.validating"), srcDir.getAbsolutePath())); //$NON-NLS-1$
 
         DocumentBuilder builder;
 
         try
         {
             builder = XmlHelper.getDocumentBuilder();
         }
         catch (MojoExecutionException e)
         {
             throw new MavenReportException(e.getMessage(), e);
         }
         List<File> tlds;
         try
         {
             tlds = FileUtils.getFiles(srcDir, "**/*.tld", null);
         }
         catch (IOException e)
         {
             throw new MavenReportException(e.getMessage(), e);
         }
         List<Tld> tldList = new ArrayList<>();
         for (File current : tlds)
         {
             Document tldDoc;
             try
             {
                 tldDoc = builder.parse(current);
             }
             catch (Exception e)
             {
                 throw new MavenReportException(MessageFormat.format(Messages.getString("Taglib.errorwhileparsing"), //$NON-NLS-1$
                     current.getAbsolutePath()), e);
 
             }
 
             Tld tld = TldParser.parse(tldDoc, current.getName());
             tldList.add(tld);
 
         }
 
         if (tldList.size() == 0)
         {
             getLog().info(
                 MessageFormat.format(Messages.getString("Taglib.notldfound"), srcDir.getAbsolutePath())); //$NON-NLS-1$
             return;
         }
 
         new TagreferenceRenderer(
             getSink(),
             locale,
             tldList.toArray(new Tld[tldList.size()]),
             parseHtml,
             getLog()).render();
 
     }
 
     /**
      * @see org.apache.maven.reporting.AbstractMavenReport#canGenerateReport()
      */
     @Override
     public boolean canGenerateReport()
     {
         if (!srcDir.isDirectory())
         {
             return false;
         }
 
         try
         {
             return FileUtils.getFiles(srcDir, "**/*.tld", null).size() > 0;
         }
         catch (IOException e)
         {
             getLog().error(e.getMessage(), e);
         }
         return false;
 
     }
 
 }