[Xdoclet-devel] CVS update: xdoclet/core/src/xdoclet/ejb/tags DaoTagsHandler.java

[Andrew Stevens]

  User: stevensa
  Date: 02/03/03 17:28:33

  Added:       core/src/xdoclet/ejb/tags DaoTagsHandler.java
  Log:
  Added DAO and Bluestone subtasks
  
  Revision  Changes    Path
  1.1                  xdoclet/core/src/xdoclet/ejb/tags/DaoTagsHandler.java
  
  Index: DaoTagsHandler.java
  ===================================================================
  package xdoclet.ejb.tags;
  
  import com.sun.javadoc.ClassDoc;
  
  import org.apache.log4j.Category;
  
  import xdoclet.DocletContext;
  import xdoclet.XDocletException;
  import xdoclet.XDocletTagSupport;
  import xdoclet.ejb.DaoSubTask;
  import xdoclet.util.DocletUtil;
  import xdoclet.util.Log;
  
  import java.text.MessageFormat;
  import java.util.Properties;
  
  /**
   * @author    <a href="mailto:[EMAIL PROTECTED]";>Andrew Stevens</a>
   * @created   February 8, 2002
   * @version   $Revision: 1.1 $
   */
  public class DaoTagsHandler extends EjbTagsHandler
  {
        /**
         * Similar to {@link InterfaceTagsHandler#getComponentInterface}. Relies on the
         * ejb:dao tag, which has the following relevant properties:
         * <ul>
         *   <li> class: The fully qualified name of the DAO class - overrides all set
         *   patterns
         *   <li> pattern: The pattern to be used to determine the unqualified name of
         *   the DAO class
         *   <li> package: The package the DAO is to be placed in
         * </ul>
         *
         *
         * @param clazz                 Description of Parameter
         * @return                      The DAO value
         * @exception XDocletException  Description of Exception
         */
        public static String getDaoClassFor( ClassDoc clazz ) throws XDocletException
        {
                Category cat = Log.getCategory( DaoTagsHandler.class, "daoClassName" );
  
                String fileName = clazz.containingPackage().name();
                String dao_pattern = null;
  
                if( cat.isDebugEnabled() )
                        cat.debug( "dao for " + clazz.name() );
  
                dao_pattern = getDaoClassPattern();
  
                String daoClass = getParameterValue( clazz, DocletUtil.getText( clazz, 
"ejb:dao" ), "class", -1 );
  
                if( daoClass != null )
                        return daoClass;
  
                String ejb_name = null;
                String package_pattern = null;
  
                if( dao_pattern.indexOf( "{0}" ) != -1 )
                        ejb_name = MessageFormat.format( dao_pattern, new 
Object[]{getShortEjbNameFor( clazz )} );
                else
                        ejb_name = dao_pattern;
  
                // Fix package name
                fileName = choosePackage( fileName, package_pattern, 
DaoSubTask.SUBTASK_NAME );
                fileName += "." + ejb_name;
  
                return fileName;
        }
  
        protected static String getDaoClassPattern()
        {
                DaoSubTask dao_subtask = ( ( DaoSubTask ) 
DocletContext.getInstance().getSubTaskBy( DaoSubTask.SUBTASK_NAME ) );
  
                if( dao_subtask != null )
                        return dao_subtask.getDaoClassPattern();
                else
                        return DaoSubTask.DEFAULT_DAO_CLASS_PATTERN;
        }
  
        private static boolean isDaoSubTaskActive()
        {
                return DocletContext.getInstance().isSubTaskDefined( 
DaoSubTask.SUBTASK_NAME );
        }
  
        /**
         * Returns the full qualified dao class name for the bean
         *
         * @param attributes            The attributes of the template tag
         * @return                      DAO class name
         * @exception XDocletException  Description of Exception
         * @doc:tag                     type="content"
         */
        public String daoClass( Properties attributes ) throws XDocletException
        {
                return getDaoClassFor( getCurrentClass() );
        }
  
        /**
         * Evaluate the body block if ejb:dao tag present and DAO subtask being used.
         *
         * @param template
         * @exception XDocletException  Description of Exception
         * @doc:tag                     type="block"
         */
        public void ifUsingDao( String template ) throws XDocletException
        {
                if( isDaoSubTaskActive() && DocletUtil.hasTag( getCurrentClass(), 
"ejb:dao", false ) )
                        generate( template );
        }
  
  }
  
  
  

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