Application: gvSIG desktop » Library: org.gvsig.tools

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2020 gvSIG Association.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 3

 * of the License, or (at your option) any later version.

 *

 * 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA 02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.tools.namestranslator;

import java.util.ArrayList;

import java.util.Collections;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import org.apache.commons.lang3.StringUtils;

/**

 *

 * @author jjdelcerro

 */

public class TrimNamesTranslator 

        extends AbstractNamesTranslator

        implements NamesTranslator 

  {

  private List<String> translatedNames;

  private Map<String,String> source2translation;

  private Map<String,String> translation2source;

  private boolean hasTranslations;

  private final int maxNameLen;

  private TrimNamesTranslator(int maxNameLen) {

    this.maxNameLen = maxNameLen;

  }

  public static final NamesTranslator create(int maxNameLen) {

    return new TrimNamesTranslator(maxNameLen);

  }

  @Override

  protected void build() {

    this.translatedNames = new ArrayList<>();

    this.hasTranslations = false;

    for (String sourceName : this.sourceNames) {

      String translatedName = this.getSuggestion(sourceName);

      this.translatedNames.add(translatedName);

      if( !sourceName.equals(translatedName) ) {

        this.hasTranslations = true;

      }

    }

    if( this.hasTranslations ) {

      this.source2translation = new HashMap<>();

      this.translation2source = new HashMap<>();

      for (int i = 0; i < this.sourceNames.size(); i++) {

        this.source2translation.put(this.sourceNames.get(i), this.translatedNames.get(i));

        this.translation2source.put(this.translatedNames.get(i), this.sourceNames.get(i));

      }

    } else {

      this.source2translation = null;

      this.translation2source = null;      

    }

    this.sourceNames = Collections.unmodifiableList(this.sourceNames);

    this.translatedNames = Collections.unmodifiableList(this.translatedNames);

  }

  @Override

  public List<String> getSourceNames() {

    return this.sourceNames;

  }

  @Override

  public List<String> getTranslatedNames() {

    return this.translatedNames;

  }

  @Override

  public String getTranslation(String sourceName) {

    if( this.hasTranslations ) {

      return this.source2translation.get(sourceName);

    }

    return sourceName;

  }

  @Override

  public String getSource(String translatedName) {

    if( this.hasTranslations ) {

      return this.translation2source.get(translatedName);

    }

    return translatedName;

  }

  @Override

  public String getSuggestion(String name) {

    String sourceName = name;

    if ( StringUtils.isBlank(sourceName) ) {

      sourceName = "Field";

    }

    int len = sourceName.length();

    if (len <= this.maxNameLen && !this.translatedNames.contains(sourceName)) {

      return sourceName;

    }

    @SuppressWarnings("UnusedAssignment")

    String translatedName = sourceName;

    for (int i = 0; i < 255; i++) {

      if (len <= this.maxNameLen) {

        if (i <= 9) {

          if (len == this.maxNameLen) {

            translatedName = sourceName.substring(0, 8) + "_" + i;

          } else {

            translatedName = sourceName + "_" + i;

          }

        } else if (i <= 99) {

          if (len == this.maxNameLen) {

            translatedName = sourceName.substring(0, 8) + i;

          } else {

            translatedName = sourceName + i;

          }

        } else {

          if (len == this.maxNameLen - 1) {

            translatedName = sourceName.substring(0, 7) + i;

          } else {

            translatedName = sourceName + i;

          }

        }

      } else {

        if (i == 0) {

          translatedName = sourceName.substring(0, 10);

        } else if (i <= 9) {

          translatedName = sourceName.substring(0, 8) + "_" + i;

        } else if (i <= 99) {

          translatedName = sourceName.substring(0, 8) + i;

        } else {

          translatedName = sourceName.substring(0, 7) + i;

        }

      }

      if (!this.translatedNames.contains(translatedName)) {

        return translatedName;

      }

    }

    /*

                 * Should not get here

     */

    return sourceName.substring(0, 4) + "_" + (System.currentTimeMillis() % 1000000);

  }

}