Package org.pentaho.reporting.engine.classic.core.devtools

Source Code of org.pentaho.reporting.engine.classic.core.devtools.ElementMetaGenerator$AttributeCarrier

/*!
* 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.reporting.engine.classic.core.devtools;

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

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.AttributeMetaData;
import org.pentaho.reporting.engine.classic.core.metadata.ElementMetaData;
import org.pentaho.reporting.engine.classic.core.metadata.ElementTypeRegistry;
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;

public class ElementMetaGenerator
{
  private static class AttributeCarrier implements Comparable
  {
    public AttributeMetaData metaData;
    public String prefix;

    private AttributeCarrier(final String prefix, final AttributeMetaData metaData)
    {
      this.prefix = prefix;
      this.metaData = metaData;
    }

    public int compareTo(final Object o)
    {
      final AttributeCarrier carrier = (AttributeCarrier) o;
      final int compare = GroupedMetaDataComparator.ENGLISH.compare(this.metaData, carrier.metaData);
      if (compare == 0)
      {
        return prefix.compareTo(carrier.prefix);
      }
      return compare;
    }
  }

  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));
  }

  public static void main(final String[] args)
  {
    ClassicEngineBoot.getInstance().start();
    final HashMap<String, AttributeCarrier> attributes = new HashMap<String, AttributeCarrier>();

    final ElementMetaData[] allTypes = ElementTypeRegistry.getInstance().getAllElementTypes();
    Arrays.sort(allTypes, GroupedMetaDataComparator.ENGLISH);

    System.out.println ("# Element definitions");
    for (int i = 0; i < allTypes.length; i++)
    {
      final ElementMetaData type = allTypes[i];
      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 = "element." + type.getName() + ".";
      }

      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 AttributeMetaData[] attributeDescriptions = type.getAttributeDescriptions();
      for (int j = 0; j < attributeDescriptions.length; j++)
      {
        final AttributeMetaData attribute = attributeDescriptions[j];
        final String attrNs = ElementTypeRegistry.getInstance().getNamespacePrefix(attribute.getNameSpace());
        final String attrPrefix;
        if (attribute instanceof AbstractMetaData)
        {
          final AbstractMetaData metaData = (AbstractMetaData) attribute;
          final String prefixMetadata = metaData.getKeyPrefix();
          if (StringUtils.isEmpty(prefixMetadata))
          {
            attrPrefix = "";
          }
          else
          {
            attrPrefix = prefixMetadata + attribute.getName() + ".";
          }
        }
        else
        {
          attrPrefix = "element." + type.getName() + ".attribute." + attrNs + "." + attribute.getName();
        }
        attributes.put(attrPrefix, new AttributeCarrier(attrPrefix, attribute));
      }
    }

    System.out.println ("# Attribute definitions");
    final AttributeCarrier[] attributeMetadata = attributes.values().toArray(new AttributeCarrier[attributes.size()]);
    Arrays.sort(attributeMetadata);
    for (int i = 0; i < attributeMetadata.length; i++)
    {
      final AttributeCarrier carrier = attributeMetadata[i];
      final AttributeMetaData attribute = carrier.metaData;
      final String attrNs = ElementTypeRegistry.getInstance().getNamespacePrefix(attribute.getNameSpace());
      final String attrPrefix = carrier.prefix;
      printMetadata(attribute, attrPrefix, "display-name", attribute.getName());
      printMetadata(attribute, attrPrefix, "grouping", attrNs);
      printMetadata(attribute, attrPrefix, "grouping.ordinal", "0");
      printMetadata(attribute, attrPrefix, "ordinal", "0");
      printMetadata(attribute, attrPrefix, "description", "");
      printMetadata(attribute, attrPrefix, "deprecated", "");
      System.out.println();
    }
  }
}
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