Android Open Source - TrackEveryPenny Transaction Csv Format

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License

The source code is released under:

Apache License

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Java Source Code

package ca.jbrains.upfp.view;
//w w  w.  j  av a 2s.c o  m
import ca.jbrains.toolkit.ProgrammerMistake;
import ca.jbrains.upfp.model.*;
import com.google.common.base.Joiner;
import com.google.common.collect.*;
import org.joda.time.LocalDate;

import java.util.List;

public class TransactionCsvFormat
    implements CsvFormat<Transaction> {
  private final CsvFormat<LocalDate> dateCsvFormat;
  private final CsvFormat<Category> categoryCsvFormat;
  private final CsvFormat<Amount> amountCsvFormat;

  public TransactionCsvFormat(
      CsvFormat<LocalDate> dateCsvFormat,
      CsvFormat<Category> categoryCsvFormat,
      CsvFormat<Amount> amountCsvFormat
  ) {
    this.dateCsvFormat = dateCsvFormat;
    this.categoryCsvFormat = categoryCsvFormat;
    this.amountCsvFormat = amountCsvFormat;
  }

  public String format(Transaction transaction) {
    if (transaction == null) throw new ProgrammerMistake(
        "Can't format a null transaction.");

    final List<String> formattedPropertiesInCorrectSequence
        = Lists.newArrayList(
        dateCsvFormat.format(transaction.getDate()),
        categoryCsvFormat.format(transaction.getCategory()),
        amountCsvFormat.format(transaction.getAmount()));

    return assembleIntoCsvRow(
        formattedPropertiesInCorrectSequence);
  }

  private String assembleIntoCsvRow(
      List<String> formattedPropertiesInCorrectSequence
  ) {
    return Joiner.on(",").join(
        Collections2.transform(
            formattedPropertiesInCorrectSequence,
            SurroundWithQuotes.INSTANCE));
  }
}

Java Source Code List