StaticFilterDefinition.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 2007 - 2008 Pentaho Corporation.  All rights reserved. 
 * 
 */
package org.pentaho.platform.uifoundation.component;

import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;

import org.dom4j.Element;
import org.pentaho.commons.connection.IPentahoResultSet;
import org.pentaho.commons.connection.memory.MemoryResultSet;
import org.pentaho.platform.api.engine.ILogger;
import org.pentaho.platform.api.engine.IPentahoSession;

/**
 * 
 * @author Steven Barkdull
 * 
 */
public class StaticFilterDefinition extends FilterDefinition {

  public StaticFilterDefinition(final Element node, final IPentahoSession session, final ILogger logger) {
    super(node, session, logger);
  }

  @Override
  protected IPentahoResultSet getResultSet(final Map parameterProviders) {
    List headers = node.selectNodes("static-lov/headers/header"); //$NON-NLS-1$
    List colHeaders = new LinkedList();
    for (Iterator it = headers.iterator(); it.hasNext();) {
      Element header = (Element) it.next();
      String value = header.getStringValue();
      colHeaders.add(value);
    }

    List rows = node.selectNodes("static-lov/rows/row"); //$NON-NLS-1$
    List data = new LinkedList();
    for (Iterator it = rows.iterator(); it.hasNext();) {
      Element rowItem = (Element) it.next();
      List items = rowItem.selectNodes("item");
      List row = new LinkedList();
      for (Iterator itt = items.iterator(); itt.hasNext();) {
        Element item = (Element) itt.next();
        String value = item.getStringValue();
        row.add(value);
      }
      data.add(row);
    }

    IPentahoResultSet resultSet = MemoryResultSet.createFromLists(colHeaders, data);

    return resultSet;
  }
}