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/*
 * SonarQube Python Plugin
 * Copyright (C) 2011 SonarSource and Waleri Enns
 * [email protected]
 *
 * This program 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 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
 */
package org.sonar.plugins.python;

import com.google.common.collect.Lists;
import org.apache.commons.lang.StringUtils;
import org.sonar.api.config.Settings;
import org.sonar.api.resources.AbstractLanguage;

import java.util.List;

public class Python extends AbstractLanguage {

  public static final String KEY = "py";

  private static final String[] DEFAULT_FILE_SUFFIXES = { "py" };

  private Settings settings;

  public Python(Settings settings) {
    super(KEY, "Python");
    this.settings = settings;
  }

  @Override
  public String[] getFileSuffixes() {
    String[] suffixes = filterEmptyStrings(settings.getStringArray(PythonPlugin.FILE_SUFFIXES_KEY));
    return suffixes.length == 0 ? Python.DEFAULT_FILE_SUFFIXES : suffixes;
  }

  private String[] filterEmptyStrings(String[] stringArray) {
    List nonEmptyStrings = Lists.newArrayList();
    for (String string : stringArray) {
      if (StringUtils.isNotBlank(string.trim())) {
        nonEmptyStrings.add(string.trim());
      }
    }
    return nonEmptyStrings.toArray(new String[nonEmptyStrings.size()]);
  }

}