LegacyFunctionsModule.java :  » Report » Pentaho-Reporting-3.6.1 » org » pentaho » jfreereport » legacy » Java Open Source

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Pentaho Reporting 3.6.1 » org » pentaho » jfreereport » legacy » LegacyFunctionsModule.java
/*
 * 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) 2009 Pentaho Corporation.  All rights reserved.
 */

package org.pentaho.jfreereport.legacy;

import java.net.URL;

import org.pentaho.reporting.libraries.base.boot.AbstractModule;
import org.pentaho.reporting.libraries.base.boot.ModuleInitializeException;
import org.pentaho.reporting.libraries.base.boot.SubSystem;
import org.pentaho.reporting.libraries.base.util.ObjectUtilities;
import org.pentaho.reporting.engine.classic.core.metadata.ExpressionRegistry;

/**
 * Todo: Document Me
 *
 * @author Thomas Morgner
 */
public class LegacyFunctionsModule extends AbstractModule
{
  public LegacyFunctionsModule() throws ModuleInitializeException
  {
    loadModuleInfo();
  }

  public void initialize(final SubSystem subSystem) throws ModuleInitializeException
  {
    final URL expressionMetaSource = ObjectUtilities.getResource
        ("org/pentaho/jfreereport/legacy/meta-expressions.xml", LegacyFunctionsModule.class);
    if (expressionMetaSource == null)
    {
      throw new ModuleInitializeException("Error: Could not find the expression meta-data description file");
    }
    try
    {
      ExpressionRegistry.getInstance().registerFromXml(expressionMetaSource);
    }
    catch (Exception e)
    {
      throw new ModuleInitializeException("Error: Could not parse the element meta-data description file", e);
    }

  }
}
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