ExpressionsBundleGenerator.java example

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pentaho-reporting-master
/*!
* 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 generators;

import org.pentaho.reporting.engine.classic.core.ClassicEngineBoot;
import org.pentaho.reporting.engine.classic.core.metadata.AbstractMetaData;
import org.pentaho.reporting.engine.classic.core.metadata.ExpressionMetaData;
import org.pentaho.reporting.engine.classic.core.metadata.ExpressionPropertyMetaData;
import org.pentaho.reporting.engine.classic.core.metadata.ExpressionRegistry;
import org.pentaho.reporting.engine.classic.core.metadata.GroupedMetaDataComparator;
import org.pentaho.reporting.engine.classic.core.metadata.MetaData;
import org.pentaho.reporting.libraries.base.util.StringUtils;

import java.util.Arrays;
import java.util.Locale;

public class ExpressionsBundleGenerator {
  public static final String GLOBAL_BUNDLE = "org.pentaho.reporting.engine.classic.core.metadata.messages";

  private ExpressionsBundleGenerator() {
  }

  public static void main( final String[] args ) {
    ClassicEngineBoot.getInstance().start();
    final ExpressionMetaData[] datas = ExpressionRegistry.getInstance().getAllExpressionMetaDatas();
    Arrays.sort( datas, GroupedMetaDataComparator.ENGLISH );
    for ( int i = 0; i < datas.length; i++ ) {
      final ExpressionMetaData data = datas[ i ];
      if ( data instanceof AbstractMetaData == false ) {
        continue;
      }
      printMetaBundle( data );
    }
  }

  private static void printMetaBundle( final ExpressionMetaData type ) {
    System.out.println( "-----------------------------------------------------" );
    final String prefix = calculatePrefix( type );

    printMetadata( type, prefix, "display-name", type.getName() );
    printMetadata( type, prefix, "grouping", "" );
    printMetadata( type, prefix, "grouping.ordinal", "0" );
    printMetadata( type, prefix, "ordinal", "0" );
    printMetadata( type, prefix, "description", "" );
    printMetadata( type, prefix, "deprecated", "" );
    printMetadata( type, prefix, "icon", "" );
    System.out.println();

    final ExpressionPropertyMetaData[] attributes = type.getPropertyDescriptions();
    Arrays.sort( attributes, GroupedMetaDataComparator.ENGLISH );

    for ( int j = 0; j < attributes.length; j++ ) {
      final ExpressionPropertyMetaData attribute = attributes[ j ];
      final String propertyPrefix = calculatePrefix( attribute );

      printMetadata( attribute, propertyPrefix, "display-name", attribute.getName() );
      printMetadata( attribute, propertyPrefix, "grouping", "" );
      printMetadata( attribute, propertyPrefix, "grouping.ordinal", "0" );
      printMetadata( attribute, propertyPrefix, "ordinal", "0" );
      printMetadata( attribute, propertyPrefix, "description", "" );
      printMetadata( attribute, propertyPrefix, "deprecated", "" );
      System.out.println();
    }

    System.out.println( "-----------------------------------------------------" );
  }

  private static String calculatePrefix( final MetaData type ) {
    final String prefix;
    if ( type instanceof AbstractMetaData ) {
      final AbstractMetaData metaData = (AbstractMetaData) type;
      final String prefixMetadata = metaData.getKeyPrefix();
      if ( StringUtils.isEmpty( prefixMetadata ) ) {
        prefix = "";
      } else {
        prefix = prefixMetadata + type.getName() + ".";
      }
    } else {
      prefix = "";
    }
    return prefix;
  }


  private static String readMetadataAttribute( final MetaData metaData, final String name, final String defaultValue ) {
    final String metaAttribute = metaData.getMetaAttribute( name, Locale.ENGLISH );
    if ( metaAttribute == null ) {
      return defaultValue;
    }
    return metaAttribute;
  }

  private static void printMetadata( final MetaData metaData,
                                     final String prefix,
                                     final String name,
                                     final String defaultValue ) {
    System.out.println( prefix + name + "=" + readMetadataAttribute( metaData, name, defaultValue ) );
  }

}