/*
 * This program is free software; you can redistribute it and/or modify it under the
 * terms of the GNU General Public License, version 2 as published by the Free Software
 * Foundation.
 *
 * You should have received a copy of the GNU General Public License along with this
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/gpl-2.0.html
 * or from the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 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 General Public License for more details.
 *
 *
 * Copyright 2006 - 2013 Pentaho Corporation.  All rights reserved.
 */

package org.pentaho.platform.engine.services.solution;

import org.dom4j.Document;
import org.pentaho.platform.api.engine.IActionSequence;
import org.pentaho.platform.api.engine.IFileInfo;
import org.pentaho.platform.api.engine.ILogger;
import org.pentaho.platform.api.engine.ISolutionFile;
import org.pentaho.platform.api.engine.ISolutionFileMetaProvider;
import org.pentaho.platform.engine.core.solution.FileInfo;
import org.pentaho.platform.engine.core.system.PentahoSystem;
import org.pentaho.platform.engine.services.actionsequence.SequenceDefinition;
import org.pentaho.platform.engine.services.messages.Messages;
import org.pentaho.platform.util.logging.Logger;
import org.pentaho.platform.util.xml.dom4j.XmlDom4JHelper;

import java.io.InputStream;

public class ActionSequenceFileInfo implements ISolutionFileMetaProvider {

  private ILogger logger;

  public void setLogger( ILogger logger ) {
    this.logger = logger;
  }

  public IFileInfo getFileInfo( ISolutionFile solutionFile, InputStream in ) {
    try {
      Document actionSequenceDocument = XmlDom4JHelper.getDocFromStream( in );
      if ( actionSequenceDocument == null ) {
        return null;
      }

      String path = solutionFile.getSolutionPath();

      IActionSequence actionSequence =
          SequenceDefinition.ActionSequenceFactory( actionSequenceDocument, path, logger, PentahoSystem
              .getApplicationContext(), Logger.getLogLevel() );
      if ( actionSequence == null ) {
        Logger.error( getClass().toString(), Messages.getInstance().getErrorString(
            "SolutionRepository.ERROR_0016_FAILED_TO_CREATE_ACTION_SEQUENCE", //$NON-NLS-1$
            path ) );
        return null;
      }

      IFileInfo info = new FileInfo();
      info.setAuthor( actionSequence.getAuthor() );
      info.setDescription( actionSequence.getDescription() );
      info.setDisplayType( actionSequence.getResultType() );
      info.setIcon( actionSequence.getIcon() );
      info.setTitle( actionSequence.getTitle() );
      return info;
    } catch ( Exception e ) {
      if ( logger != null ) {
        logger.error( getClass().toString(), e );
      }
      return null;
    }
  }

}