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SchemaCrawler is an open-source Java API that makes working with database metadata as easy as working with plain old Java objects. SchemaCrawler is also a database schema discovery and comprehension, and schema documentation tool. You can search for database schema objects using regular expressions, and output the schema and data in a readable text format. The output is designed to be diff-ed against other database schemas.

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/*
 *
 * SchemaCrawler
 * http://www.schemacrawler.com
 * Copyright (c) 2000-2015, Sualeh Fatehi.
 *
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation;
 * either version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 */
package schemacrawler.crawl;


import java.io.Serializable;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;

import schemacrawler.schema.DatabaseProperty;
import schemacrawler.schema.Property;

class ImmutableDatabaseProperty
  extends AbstractProperty
  implements DatabaseProperty
{

  private static final long serialVersionUID = -7150431683440256142L;

  private static final Set> acronyms;

  static
  {
    final Map acronymsMap = new HashMap<>();
    acronymsMap.put("JDBC", "Jdbc");
    acronymsMap.put("ANSI", "Ansi");
    acronymsMap.put("SQL", "Sql");
    acronymsMap.put("URL", "Url");
    acronymsMap.put("TYPE_FORWARD_ONLY", "Type_forward_only");
    acronymsMap.put("TYPE_SCROLL_INSENSITIVE", "Type_scroll_insensitive");
    acronymsMap.put("TYPE_SCROLL_SENSITIVE", "Type_scroll_sensitive");
    acronyms = Collections.unmodifiableSet(acronymsMap.entrySet());
  }

  ImmutableDatabaseProperty(final String name, final Object value)
  {
    super(name, (Serializable) value);
  }

  @Override
  public int compareTo(final Property otherDbProperty)
  {
    if (otherDbProperty == null)
    {
      return -1;
    }
    else
    {
      return getDescription().toLowerCase()
        .compareTo(otherDbProperty.getDescription().toLowerCase());
    }
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public String getDescription()
  {
    final String get = "get";
    String description = getName();
    if (description.startsWith(get))
    {
      description = description.substring(get.length());
    }

    for (final Entry acronym: acronyms)
    {
      description = description.replaceAll(acronym.getKey(),
                                           acronym.getValue());
    }

    final int strLen = description.length();
    final StringBuilder buffer = new StringBuilder(strLen);
    for (int i = 0; i < strLen; i++)
    {
      final char ch = description.charAt(i);
      if (Character.isUpperCase(ch) || Character.isTitleCase(ch))
      {
        buffer.append(' ').append(Character.toLowerCase(ch));
      }
      else
      {
        buffer.append(ch);
      }
    }
    description = buffer.toString();

    for (final Entry acronym: acronyms)
    {
      description = description.replaceAll(acronym.getValue().toLowerCase(),
                                           acronym.getKey());
      description = description.replaceAll(acronym.getValue(),
                                           acronym.getKey());
    }

    description = description.trim();
    return description;
  }

  @Override
  public String toString()
  {
    return getDescription() + " = " + getValue();
  }

}