/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.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 Lesser General Public License for more details.
*
* Copyright (c) 2002-2013 Pentaho Corporation..  All rights reserved.
*/

package org.pentaho.platform.dataaccess.datasource.wizard.service.impl.utils;

import org.pentaho.agilebi.modeler.ModelerException;
import org.pentaho.agilebi.modeler.geo.GeoContextConfigProvider;
import org.pentaho.platform.engine.core.system.PentahoSystem;

/**
 * Created by IntelliJ IDEA. User: rfellows Date: 9/27/11 Time: 10:52 AM To change this template use File | Settings |
 * File Templates.
 */
public class GeoContextSettingsProvider implements GeoContextConfigProvider {
  private String settingsFile;

  public GeoContextSettingsProvider( String settingsFile ) {
    this.settingsFile = settingsFile;
  }

  @Override
  public String getDimensionName() throws ModelerException {
    return PentahoSystem.getSystemSetting( settingsFile, "geo/dimension-name", null );
  }

  @Override
  public String getRoles() throws ModelerException {
    return PentahoSystem.getSystemSetting( settingsFile, "geo/roles", null );
  }

  @Override
  public String getRoleAliases( String roleName ) throws ModelerException {
    String aliasKey = "geo/" + roleName + "/aliases";
    String aliases = PentahoSystem.getSystemSetting( settingsFile, aliasKey, null );
    if ( aliases == null || aliases.trim().length() == 0 ) {
      throw new ModelerException(
        "Error while building GeoContext: No Aliases found for role  " + roleName + ". Make sure there is a " + aliasKey
          + " element defined" );
    }
    return aliases;
  }

  @Override
  public String getRoleRequirements( String roleName ) throws ModelerException {
    String key = "geo/" + roleName + "/required-parents";
    return PentahoSystem.getSystemSetting( settingsFile, key, null );
  }
}