import com.sun.star.bridge.XUnoUrlResolver;
import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.lang.XComponent;
import com.sun.star.lang.XMultiComponentFactory;
import com.sun.star.uno.XComponentContext;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.frame.XComponentLoader;
import com.sun.star.frame.XStorable;
import com.sun.star.beans.PropertyValue;
import com.sun.star.beans.XPropertySet;

import java.io.File;
import java.io.FileFilter;
import java.io.FilenameFilter;



public class DocumentConverter {

  static XComponentLoader xcomponentloader = null;

  static String stringConvertType = "MS Word 97";

  static String stringExtension = "doc";

  static String indent = "";
  
/**
* Metodo recursivo de localização e modificação de arquivos do formato sxw para
* doc
*/
static void traverse( File fileDirectory ) {

    if ( !fileDirectory.isDirectory() ) {
      throw new IllegalArgumentException(
      "nao é um diretório: " + fileDirectory.getName()
      );
    }
    
    System.out.println(indent + "[" + fileDirectory.getName() + "]");
    indent += "  ";
    

    File[] entries = fileDirectory.listFiles(
    new FileFilter() {
      public boolean accept( File pathname ) {
        return pathname.getName().endsWith("sxw");
      }
    }
    );
    
    // Iteração que é realizada em cada pasta
    for ( int i = 0; i < entries.length; ++i ) {

      if ( entries[ i ].isDirectory() ) {

        traverse( entries[ i ] );
      } else {
        // abaixo inicia-se a conversao
        try {
          // o OOo precisa que esteja no formato Url
          String stringUrl = "file:///"
          + entries[ i ].getAbsolutePath().replace( '\', '/' );
System.out.println(entries[i] + ":" + stringUrl);
          // Loading the wanted document
          Object objectDocumentToStore =
          DocumentConverter.xcomponentloader.loadComponentFromURL(
          stringUrl, "_blank", 0, new PropertyValue[0] );
          

          XStorable xstorable =
          ( XStorable ) UnoRuntime.queryInterface( XStorable.class,
          objectDocumentToStore );
          

          PropertyValue propertyvalue[] = new PropertyValue[ 2 ];

          propertyvalue[ 0 ] = new PropertyValue();
          propertyvalue[ 0 ].Name = "Overwrite";
          propertyvalue[ 0 ].Value = new Boolean(true);

          propertyvalue[ 1 ] = new PropertyValue();
          propertyvalue[ 1 ].Name = "FilterName";
          propertyvalue[ 1 ].Value = DocumentConverter.stringConvertType;
          

          int index = stringUrl.lastIndexOf(".");
          stringUrl = stringUrl.substring(0, index + 1) + DocumentConverter.stringExtension;
          

System.out.println(stringUrl + ":" +  propertyvalue);        
          xstorable.storeToURL( stringUrl, propertyvalue );
          

          XComponent xcomponent =
          ( XComponent ) UnoRuntime.queryInterface( XComponent.class,
          xstorable );
          
          // Closing the converted document
          xcomponent.dispose();
        }
        catch( Exception exception ) {
          exception.printStackTrace();
        }
        
        System.out.println(indent + entries[ i ].getName());
      }
    }
    
    indent = indent.substring(2);
  }
  

  public static void main( String args[] ) {
    try {
      XComponentContext xComponentContext =
      com.sun.star.comp.helper.Bootstrap.createInitialComponentContext( null );
      
      /* Gets the service manager instance to be used (or null). This method has
         been added for convenience, because the service manager is a often used
         object. */
      XMultiComponentFactory xMultiComponentFactory =
      xComponentContext.getServiceManager();

      Object objectUrlResolver = xMultiComponentFactory.createInstanceWithContext(
      "com.sun.star.bridge.UnoUrlResolver", xComponentContext );
      
      // Create a new url resolver
      XUnoUrlResolver xurlresolver = ( XUnoUrlResolver )
      UnoRuntime.queryInterface( XUnoUrlResolver.class,
      objectUrlResolver );
      //abaixo a conexão é realizada na porta 2002
      Object objectInitial = xurlresolver.resolve( "uno:socket,host=localhost,port=2002;urp;StarOffice.ServiceManager" );
      

      xMultiComponentFactory = ( XMultiComponentFactory )
      UnoRuntime.queryInterface( XMultiComponentFactory.class, objectInitial );
      
      XPropertySet xpropertysetMultiComponentFactory = ( XPropertySet )
      UnoRuntime.queryInterface( XPropertySet.class, xMultiComponentFactory );
      

      Object objectDefaultContext =
      xpropertysetMultiComponentFactory.getPropertyValue( "DefaultContext" );
      

      xComponentContext = ( XComponentContext ) UnoRuntime.queryInterface(
      XComponentContext.class, objectDefaultContext );
      

      xcomponentloader = ( XComponentLoader )
      UnoRuntime.queryInterface( XComponentLoader.class,
      xMultiComponentFactory.createInstanceWithContext(
      "com.sun.star.frame.Desktop", xComponentContext ) );
      
      //modifique a linha abaixo para uma pasta contendo o seu arquivo
      File file = new File("/home/{coloca a sua home aqui}/Teste");
      
      traverse( file );
      
      System.exit(0);
    }
    catch( Exception e ) {
      e.printStackTrace();
    }
  }
}