1 files changed, 57 insertions, 0 deletions
diff --git a/src/main/java/com/juick/util/DateFormatter.java b/src/main/java/com/juick/util/DateFormatter.java
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+++ b/src/main/java/com/juick/util/DateFormatter.java
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+/*
+ * Copyright (C) 2008-2017, Juick
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.juick.util;
+
+import org.apache.commons.lang3.StringUtils;
+
+import java.time.Instant;
+import java.time.LocalDateTime;
+import java.time.ZoneOffset;
+import java.time.ZonedDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.Locale;
+
+/**
+ * Created by aalexeev on 12/7/16.
+ */
+public class DateFormatter {
+    private final DateTimeFormatter formatter;
+
+    public DateFormatter(String pattern) {
+        formatter = DateTimeFormatter.ofPattern(pattern, Locale.ENGLISH);
+    }
+
+    public String format(final Instant ts) {
+        if (ts == null)
+            return null;
+
+        ZonedDateTime ldt = ZonedDateTime.ofInstant(ts, ZoneOffset.UTC);
+
+        return ldt.format(formatter);
+    }
+
+
+    public Instant parse(final String v) {
+        if (StringUtils.isBlank(v))
+            return null;
+
+        ZonedDateTime ldt = ZonedDateTime.parse(v, formatter);
+
+        return ldt.toInstant();
+    }
+}