org.onebusaway.csv_entities.DelimiterTokenizerStrategy Maven / Gradle / Ivy

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/**
 * Copyright (C) 2011 Brian Ferris 
 *
 * 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.onebusaway.csv_entities;

import java.util.Arrays;
import java.util.List;

public class DelimiterTokenizerStrategy implements TokenizerStrategy {

  private final String _delimiter;

  public DelimiterTokenizerStrategy(String delimiter) {
    _delimiter = delimiter;
  }

  @Override
  public List parse(String line) {
    return Arrays.asList(line.split(_delimiter));
  }

  @Override
  public String format(Iterable tokens) {
    StringBuilder b = new StringBuilder();
    boolean seenFirst = false;
    for (String token : tokens) {
      if (seenFirst)
        b.append(_delimiter);
      else
        seenFirst = true;
      b.append(token);
    }
    return b.toString();
  }
}