Split methods into logical units and change JVM usage

simpledate/src/main/kotlin/com/parassidhu/simpledate/Date.kt

@@ -0,0 +1,67 @@
+@file:JvmMultifileClass
+@file:JvmName("SimpleDate")
+
+package com.parassidhu.simpledate
+
+import java.util.*
+
+
+fun Date?.toDateStandard(): String {
+  val pattern = "dd MMMM YYYY"
+  return dateAsString(this, pattern)
+}
+
+fun Date?.toDateStandardConcise(): String {
+  val pattern = "dd MMM yyyy"
+  return dateAsString(this, pattern)
+}
+
+fun Date?.toDateStandardInDigits(): String {
+  val pattern = "dd-MM-yyyy"
+  return dateAsString(this, pattern)
+}
+
+fun Date?.toDateYY(): String {
+  val pattern = "dd MMMM yy"
+  return dateAsString(this, pattern)
+}
+
+fun Date?.toDateYYConcise(): String {
+  val pattern = "dd MMM yy"
+  return dateAsString(this, pattern)
+}
+
+fun Date?.toDateYYInDigits(): String {
+  val pattern = "dd-MM-yy"
+  return dateAsString(this, pattern)
+}
+
+fun Date?.toDateYMD(): String {
+  val pattern = "yyyy MMMM dd"
+  return dateAsString(this, pattern)
+}
+
+fun Date?.toDateYMDConcise(): String {
+  val pattern = "yyyy MMM dd"
+  return dateAsString(this, pattern)
+}
+
+fun Date?.toDateYMDInDigits(): String {
+  val pattern = "yyyy-MM-dd"
+  return dateAsString(this, pattern)
+}
+
+fun Date?.toDateEMd(): String {
+  val pattern = "EEE, MMM dd"
+  return dateAsString(this, pattern)
+}
+
+fun Date?.toDateEMYShort(): String {
+  val pattern = "EEE, MMM YY"
+  return dateAsString(this, pattern)
+}
+
+fun Date?.toDateEMY(): String {
+  val pattern = "EEEE, MMMM YYYY"
+  return dateAsString(this, pattern)
+}

simpledate/src/main/kotlin/com/parassidhu/simpledate/DateTime.kt

@@ -0,0 +1,72 @@
+@file:JvmMultifileClass
+@file:JvmName("SimpleDate")
+
+package com.parassidhu.simpledate
+
+import java.util.*
+
+fun Date?.toDateTimeStandard(): String {
+  val pattern = "dd MMMM yyyy HH:mm:ss"
+
+  return dateAsString(this, pattern)
+}
+
+fun Date?.toDateTimeStandardIn12Hours(): String {
+  val pattern = "dd MMMM yyyy h:mm:ss a"
+  return dateAsString(this, pattern)
+}
+
+fun Date?.toDateTimeStandardInDigits(): String {
+  val pattern = "dd-MM-yyyy HH:mm:ss"
+  return dateAsString(this, pattern)
+}
+
+fun Date?.toDateTimeStandardInDigitsAnd12Hours(): String {
+  val pattern = "dd-MM-yyyy h:mm:ss a"
+  return dateAsString(this, pattern)
+}
+
+fun Date?.toDateTimeStandardConcise(): String {
+  val pattern = "dd MMM yyyy HH:mm:ss"
+  return dateAsString(this, pattern)
+}
+
+fun Date?.toDateTimeStandardConciseIn12Hours(): String {
+  val pattern = "dd MMM yyyy h:mm:ss a"
+  return dateAsString(this, pattern)
+}
+
+fun Date?.toDateTimeYY(): String {
+  val pattern = "dd MMMM yy HH:mm:ss"
+  return dateAsString(this, pattern)
+}
+
+fun Date?.toDateTimeYYIn12Hours(): String {
+  val pattern = "dd MMMM yy h:mm:ss a"
+  return dateAsString(this, pattern)
+}
+
+fun Date?.toDateTimeYYInDigits(): String {
+  val pattern = "dd-MM-yy HH:mm:ss"
+  return dateAsString(this, pattern)
+}
+
+fun Date?.toDateTimeYYInDigitsAnd12Hours(): String {
+  val pattern = "dd-MM-yy h:mm:ss a"
+  return dateAsString(this, pattern)
+}
+
+fun Date?.toDateTimeYYConcise(): String {
+  val pattern = "dd MMM yy HH:mm:ss"
+  return dateAsString(this, pattern)
+}
+
+fun Date?.toDateTimeYYConciseIn12Hours(): String {
+  val pattern = "dd MMM yy h:mm:ss a"
+  return dateAsString(this, pattern)
+}
+
+fun Date?.toZuluFormat(): String {
+  val pattern = "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'"
+  return dateAsString(this, pattern)
+}

simpledate/src/main/kotlin/com/parassidhu/simpledate/Day.kt

@@ -0,0 +1,11 @@
+@file:JvmMultifileClass
+@file:JvmName("SimpleDate")
+
+package com.parassidhu.simpledate
+
+import java.util.*
+
+fun Date?.toDay(): String {
+  val pattern = "EEEE"
+  return dateAsString(this, pattern)
+}

simpledate/src/main/kotlin/com/parassidhu/simpledate/SimpleDate.kt

@@ -0,0 +1,17 @@
+@file:JvmMultifileClass
+@file:JvmName("SimpleDate")
+
+package com.parassidhu.simpledate
+
+import java.text.SimpleDateFormat
+import java.util.*
+
+private lateinit var simpleDateFormat: SimpleDateFormat
+
+internal fun dateAsString(date: Date?, pattern: String): String {
+    simpleDateFormat = SimpleDateFormat(pattern, Locale.getDefault())
+    if (date != null)
+        return simpleDateFormat.format(date)
+    else
+        throw NullPointerException("Date can't be null")
+}