Java tutorial
/* * Copyright (C) 2012-2016 The Android Money Manager Ex Project Team * * 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, see <http://www.gnu.org/licenses/>. */ package com.money.manager.ex.servicelayer.qif; import android.content.Context; import android.text.TextUtils; import com.money.manager.ex.Constants; import com.money.manager.ex.core.Core; import com.money.manager.ex.core.TransactionTypes; import com.money.manager.ex.database.ISplitTransaction; import com.money.manager.ex.datalayer.SplitCategoriesRepository; import com.money.manager.ex.servicelayer.CategoryService; import com.money.manager.ex.viewmodels.AccountTransactionDisplay; import org.joda.time.DateTime; import org.joda.time.format.DateTimeFormat; import org.joda.time.format.DateTimeFormatter; import java.text.ParseException; import java.util.ArrayList; import info.javaperformance.money.Money; /** * A .qif file record. Represents a first transaction or account header record. * References: * QIF format * http://en.wikipedia.org/wiki/Quicken_Interchange_Format * Date formats inside qif file * http://www.unicode.org/reports/tr35/tr35-dates.html#Date_Format_Patterns */ public class QifRecord { public QifRecord(Context context) { mContext = context; } private Context mContext; public Context getContext() { return mContext; } /** * Parses the data and generates a QIF record for transaction. * @return A string representing one QIF record */ public String parse(AccountTransactionDisplay transaction) throws ParseException { final String lineSeparator = System.getProperty("line.separator"); StringBuilder builder = new StringBuilder(); // Date String date = parseDate(transaction); builder.append("D"); builder.append(date); builder.append(lineSeparator); // Amount String amount = parseAmount(transaction); // builder.append("U"); // builder.append(this.Amount); // builder.append(System.lineSeparator()); builder.append("T"); builder.append(amount); builder.append(lineSeparator); // Cleared status // String status = parseCleared(transaction); String status = transaction.getStatusCode(); if (!TextUtils.isEmpty(status)) { // Cleared: * or c. We don't have Cleared in MMEX. // Reconciled: X or R builder.append("C"); switch (status) { case "R": builder.append(status); break; } } // Payee String payee = transaction.getPayee(); if (!TextUtils.isEmpty(payee)) { builder.append("P"); builder.append(payee); builder.append(lineSeparator); } // Categories / Transfers String category; // String transactionTypeName = getTransactionTypeName(transaction); TransactionTypes transactionType = transaction.getTransactionType(); if (transactionType.equals(TransactionTypes.Transfer)) { // Category is the destination account name. category = transaction.getAccountName(); // in square brackets category = "[%]".replace("%", category); } else { // Category category = parseCategory(transaction); } if (category != null) { builder.append("L"); builder.append(category); builder.append(lineSeparator); } // Split Categories boolean splitCategory = transaction.getIsSplit(); if (splitCategory) { String splits = getSplitCategories(transaction); builder.append(splits); } // Memo String memo = transaction.getNotes(); if (!TextUtils.isEmpty(memo)) { builder.append("M"); builder.append(memo); builder.append(lineSeparator); } builder.append("^"); builder.append(lineSeparator); return builder.toString(); } public String getSplitCategories(AccountTransactionDisplay transaction) { StringBuilder builder = new StringBuilder(); // retrieve splits SplitCategoriesRepository repo = new SplitCategoriesRepository(mContext); int transactionId = transaction.getId(); ArrayList<ISplitTransaction> splits = repo.loadSplitCategoriesFor(transactionId); if (splits == null) return Constants.EMPTY_STRING; String transactionType = transaction.getTransactionTypeName(); for (ISplitTransaction split : splits) { String splitRecord = getSplitCategory(split, transactionType); builder.append(splitRecord); } return builder.toString(); } private String getSplitCategory(ISplitTransaction split, String transactionType) { final String lineSeparator = System.getProperty("line.separator"); StringBuilder builder = new StringBuilder(); // S = category in split // $ = amount in split // E = memo in split // category CategoryService service = new CategoryService(getContext()); String category = service.getCategorySubcategoryName(split.getCategoryId(), split.getSubcategoryId()); builder.append("S"); builder.append(category); builder.append(lineSeparator); // amount Money amount = split.getAmount(); // e sign if (TransactionTypes.valueOf(transactionType).equals(TransactionTypes.Withdrawal)) { amount = amount.negate(); } if (TransactionTypes.valueOf(transactionType).equals(TransactionTypes.Deposit)) { // leave positive? } builder.append("$"); builder.append(amount); builder.append(lineSeparator); // memo - currently we don't have a field for it. // String memo = split.get return builder.toString(); } private String parseDate(AccountTransactionDisplay transaction) throws ParseException { DateTime date = transaction.getDate(); // todo: get Quicken date format from settings. DateTimeFormatter qifFormat = DateTimeFormat.forPattern("MM/dd''yy"); return qifFormat.print(date); } private String parseAmount(AccountTransactionDisplay transaction) { String amount; if (transaction.getTransactionType().equals(TransactionTypes.Transfer)) { amount = transaction.getToAmount().toString(); } else { amount = transaction.getAmount().toString(); } return amount; } private String parseCategory(AccountTransactionDisplay transaction) { String category = transaction.getCategory(); String subCategory = transaction.getSubcategory(); if (!TextUtils.isEmpty(subCategory)) { return category + ":" + subCategory; } else { return category; } } }