SolutionRepoFileInfo.java

/*
 * 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 2008 Pentaho Corporation.  All rights reserved. 
 * 
 */
package org.pentaho.platform.engine.services.solution;

import java.io.InputStream;

import org.dom4j.Document;
import org.dom4j.Node;
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.SolutionFileMetaAdapter;
import org.pentaho.platform.engine.core.solution.FileInfo;
import org.pentaho.platform.util.xml.dom4j.XmlDom4JHelper;

/**
 * A generic meta adapter for the state files created by SolutionRepoLoadContentGenerator
 * and read by SolutionRepoLoadContentGenerator
 * @author jamesdixon
 *
 */
public class SolutionRepoFileInfo extends SolutionFileMetaAdapter {

  private ILogger logger;

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

  public IFileInfo getFileInfo(ISolutionFile solutionFile, InputStream in) {
    try {
      Document doc = XmlDom4JHelper.getDocFromStream(in);

      IFileInfo info = new FileInfo();
      Node node = doc.selectSingleNode("state-file/documentation/author"); //$NON-NLS-1$
      if( node != null ) {
        info.setAuthor( node.getText());
      } else {
        info.setAuthor( "" ); //$NON-NLS-1$
      }
      info.setDisplayType("HTML"); //$NON-NLS-1$
      node = doc.selectSingleNode("state-file/documentation/title"); //$NON-NLS-1$
      if( node != null ) {
        info.setTitle( node.getText());
      } else {
        info.setTitle( "" ); //$NON-NLS-1$
      }
      node = doc.selectSingleNode("state-file/documentation/description"); //$NON-NLS-1$
      if( node != null ) {
        info.setDescription( node.getText());
      } else {
        info.setDescription( "" ); //$NON-NLS-1$
      }
      node = doc.selectSingleNode("state-file/documentation/icon"); //$NON-NLS-1$
      if( node != null ) {
        info.setIcon( node.getText());
      } else {
        info.setIcon( "" ); //$NON-NLS-1$
      }
      return info;
    } catch (Exception e) {
      if (logger != null) {
        logger.error(getClass().toString(), e);
      }
      return null;
    }
  }

}