global method for format dates in ISO format (y-m-d)

[mobile-ledger.git] / app / src / main / java / net / ktnx / mobileledger / utils / Globals.java

diff --git a/app/src/main/java/net/ktnx/mobileledger/utils/Globals.java b/app/src/main/java/net/ktnx/mobileledger/utils/Globals.java
index 39884f0517ad389859578b5db954bd44c221ac11..56a88ceca9fa70ef8d4f4de91f76c0a16df869eb 100644 (file)
--- a/app/src/main/java/net/ktnx/mobileledger/utils/Globals.java
+++ b/app/src/main/java/net/ktnx/mobileledger/utils/Globals.java
@@ -1,28 +1,94 @@
 /*
- * Copyright © 2018 Damyan Ivanov.
- * This file is part of Mobile-Ledger.
- * Mobile-Ledger is free software: you can distribute it and/or modify it
+ * Copyright © 2019 Damyan Ivanov.
+ * This file is part of MoLe.
+ * MoLe is free software: you can distribute it and/or modify it
  * under the term of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
  * (at your opinion), any later version.
  *
- * Mobile-Ledger is distributed in the hope that it will be useful,
+ * MoLe 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 terms for details.
  *
  * You should have received a copy of the GNU General Public License
- * along with Mobile-Ledger. If not, see <https://www.gnu.org/licenses/>.
+ * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
  */
 
 package net.ktnx.mobileledger.utils;
 
-import android.support.annotation.ColorInt;
+import android.app.Activity;
+import android.content.Context;
+import android.view.View;
+import android.view.inputmethod.InputMethodManager;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.Locale;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 public final class Globals {
-    @ColorInt
-    public static int table_row_even_bg;
-    @ColorInt
-    public static int table_row_odd_bg;
+    private static final ThreadLocal<SimpleDateFormat> dateFormatter =
+            new ThreadLocal<SimpleDateFormat>() {
+                @Override
+                protected SimpleDateFormat initialValue() {
+                    return new SimpleDateFormat("yyyy/MM/dd", Locale.US);
+                }
+            };
+    private static final ThreadLocal<SimpleDateFormat> isoDateFormatter =
+            new ThreadLocal<SimpleDateFormat>() {
+                @Override
+                protected SimpleDateFormat initialValue() {
+                    return new SimpleDateFormat("yyyy-MM-dd", Locale.US);
+                }
+            };
+    public static String[] monthNames;
+    public static String developerEmail = "dam+mole-crash@ktnx.net";
+    private static Pattern reLedgerDate =
+            Pattern.compile("^(?:(\\d+)/)??(?:(\\d\\d?)/)?(\\d\\d?)$");
+    public static void hideSoftKeyboard(Activity act) {
+        // hide the keyboard
+        View v = act.getCurrentFocus();
+        if (v != null) {
+            InputMethodManager imm =
+                    (InputMethodManager) act.getSystemService(Context.INPUT_METHOD_SERVICE);
+            imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
+        }
+    }
+    public static Date parseLedgerDate(String dateString) throws ParseException {
+        Matcher m = reLedgerDate.matcher(dateString);
+        if (!m.matches()) throw new ParseException(
+                String.format("'%s' does not match expected pattern '%s'", dateString,
+                        reLedgerDate.toString()), 0);
+
+        String year = m.group(1);
+        String month = m.group(2);
+        String day = m.group(3);
+
+        String toParse;
+        if (year == null) {
+            Calendar now = Calendar.getInstance();
+            int thisYear = now.get(Calendar.YEAR);
+            if (month == null) {
+                int thisMonth = now.get(Calendar.MONTH) + 1;
+                toParse = String.format(Locale.US, "%04d/%02d/%s", thisYear, thisMonth, dateString);
+            }
+            else toParse = String.format(Locale.US, "%04d/%s", thisYear, dateString);
+        }
+        else toParse = dateString;
 
+        return dateFormatter.get().parse(toParse);
+    }
+    public static Date parseIsoDate(String dateString) throws ParseException {
+        return isoDateFormatter.get().parse(dateString);
+    }
+    public static String formatLedgerDate(Date date) {
+        return dateFormatter.get().format(date);
+    }
+    public static String formatIsoDate(Date date) {
+        return isoDateFormatter.get().format(date);
+    }
 }
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