org.openestate.io.immoxml.ImmoXmlVersion Maven / Gradle / Ivy

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OpenEstate-IO-ImmoXML is a Java library to read and write real estate data in the ImmoXML format, that is mostly used by immopool.de.

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/*
 * Copyright 2015-2017 OpenEstate.org.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.openestate.io.immoxml;

import org.apache.commons.lang3.ArrayUtils;
import org.apache.commons.lang3.StringUtils;
import org.openestate.io.core.XmlConverter;
import org.openestate.io.core.XmlVersion;
import org.openestate.io.immoxml.converters.ImmoXML_3_0;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Implemented versions of the ImmoXML format.
 *
 * @since 1.0
 * @author Andreas Rudolph
 */
public enum ImmoXmlVersion implements XmlVersion
{
  /**
   * Version 3.0
   */
  V3_0( ImmoXML_3_0.class, "3.0", "3" );

  private final static Logger LOGGER = LoggerFactory.getLogger( ImmoXmlVersion.class );
  private final Class converterClass;
  private final String readableVersion;
  private final String[] alias;

  private ImmoXmlVersion( Class converterClass, String readableVersion, String...alias )
  {
    this.converterClass = converterClass;
    this.readableVersion = readableVersion;
    this.alias = alias;
  }

  public static ImmoXmlVersion detectFromString( String version )
  {
    if (version!=null)
    {
      String[] values = StringUtils.split( version, "/" );
      for (ImmoXmlVersion v : ImmoXmlVersion.values())
      {
        if (v.toReadableVersion().equalsIgnoreCase( values[0] )) return v;
        if (v.alias!=null)
        {
          for (String a : v.alias)
          {
            if (a.equalsIgnoreCase( values[0] )) return v;
          }
        }
      }
    }
    return null;
  }

  @Override
  public XmlConverter getConverter()
  {
    try
    {
      return (XmlConverter) this.converterClass.newInstance();
    }
    catch (Exception ex)
    {
      LOGGER.error( "Can't create converter!" );
      LOGGER.error( "> " + ex.getLocalizedMessage(), ex );
      return null;
    }
  }

  @Override
  public ImmoXmlVersion getNextVersion()
  {
    ImmoXmlVersion[] versions = ImmoXmlVersion.values();
    int pos = ArrayUtils.indexOf( versions, this );
    pos++;
    return (versions.length>pos)? versions[pos]: null;
  }

  @Override
  public ImmoXmlVersion getPreviousVersion()
  {
    ImmoXmlVersion[] versions = ImmoXmlVersion.values();
    int pos = ArrayUtils.indexOf( versions, this );
    pos--;
    return (pos>=0)? versions[pos]: null;
  }

  @Override
  public boolean isLatestVersion()
  {
    return ImmoXmlUtils.VERSION.equals( this );
  }

  @Override
  public boolean isNewerThen( XmlVersion v )
  {
    ImmoXmlVersion[] versions = ImmoXmlVersion.values();
    return ArrayUtils.indexOf( versions, this ) > ArrayUtils.indexOf( versions, v );
  }

  @Override
  public boolean isOlderThen( XmlVersion v )
  {
    ImmoXmlVersion[] versions = ImmoXmlVersion.values();
    return ArrayUtils.indexOf( versions, this ) < ArrayUtils.indexOf( versions, v );
  }

  @Override
  public String toReadableVersion()
  {
    return this.readableVersion;
  }
}