Add special string for annotation and its processor for only field

Updated std money and add money arithemtic

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

build.gradle.kts

@@ -1,5 +1,7 @@
 plugins {
     kotlin("jvm") version "1.4.0"
+    `java-library`
+    id("de.marcphilipp.nexus-publish") version "0.4.0"
 }
 
 group = "com.cubetiqs.libra"
@@ -13,3 +15,22 @@ dependencies {
     implementation(kotlin("stdlib"))
     testImplementation("org.junit.vintage:junit-vintage-engine:5.6.2")
 }
+
+publishing {
+    publications {
+        create<MavenPublication>("mavenJava") {
+            from(components["java"])
+        }
+    }
+}
+
+nexusPublishing {
+    repositories {
+        create("mavenJava") {
+            nexusUrl.set(uri("https://nexus.osa.cubetiqs.com/repository/local-maven-dev/"))
+            snapshotRepositoryUrl.set(uri("https://nexus.osa.cubetiqs.com/repository/local-maven-dev/"))
+            username.set("cubetiq")
+            password.set("cube17tiq")
+        }
+    }
+}

src/main/kotlin/com/cubetiqs/libra/moneyutils/Money.kt

@@ -2,7 +2,7 @@ package com.cubetiqs.libra.moneyutils
 
 open class Money(
     var value: Double,
-    private var currency: String = "USD"
+    @SpecialString(trim = true, upperCase = true) private var currency: String = "USD"
 ) : StdMoney {
 
     //////////////////// - PROPERTIES - ////////////////////
@@ -12,7 +12,7 @@ open class Money(
     }
 
     override fun getMoneyCurrency(): String {
-        return this.currency.toUpperCase()
+        return this.currency
     }
 
     //////////////////// - GENERIC - ////////////////////
@@ -24,5 +24,27 @@ open class Money(
     companion object {
         val ZERO: StdMoney
             get() = Money(value = 0.0)
+        val ONE: StdMoney
+            get() = Money(value = 1.0)
+        val TEN: StdMoney
+            get() = Money(value = 10.0)
+
+        /**
+         * Create a new money object with custom value
+         *
+         * @param value Double
+         * @param currency String
+         */
+        fun create(value: Double, currency: String = MoneyCurrency.USD.name): StdMoney {
+            return Money(value = value, currency = currency)
+        }
+
+        /**
+         * Create a new money object with custom value
+         *
+         * @param value Double
+         * @param currency MoneyCurrency
+         */
+        fun create(value: Double, currency: MoneyCurrency = MoneyCurrency.USD): StdMoney = create(value, currency.name)
     }
 }

src/main/kotlin/com/cubetiqs/libra/moneyutils/MoneyArithmetic.kt

@@ -0,0 +1,5 @@
+package com.cubetiqs.libra.moneyutils
+
+fun StdMoney.addMoney(value: Double, currency: String): StdMoney {
+    return this + Money.create(value, currency)
+}

src/main/kotlin/com/cubetiqs/libra/moneyutils/MoneyConfig.kt

@@ -15,8 +15,11 @@ object MoneyConfig {
      * Value is the rate
      */
     private val config: MutableMap<String, Double> = mutableMapOf()
-    private var valid: Boolean = false
-    fun isValid() = valid
+
+    // validate the config, if have it's valid
+    fun isValid(): Boolean {
+        return this.config.isNotEmpty()
+    }
 
     /**
      * Money properties for money config format
@@ -58,9 +61,6 @@ object MoneyConfig {
                 throw MoneyCurrencyStateException("money config format is not valid!")
             }
         }
-
-        // validate the config is load or not
-        this.valid = this.config.isNotEmpty()
     }
 
     // all currencies with its rate

src/main/kotlin/com/cubetiqs/libra/moneyutils/MoneyCurrency.kt

@@ -0,0 +1,7 @@
+package com.cubetiqs.libra.moneyutils
+
+enum class MoneyCurrency {
+    USD,
+    KHR,
+    EUR
+}

src/main/kotlin/com/cubetiqs/libra/moneyutils/MoneyExchangeAdapter.kt

@@ -0,0 +1,5 @@
+package com.cubetiqs.libra.moneyutils
+
+interface MoneyExchangeAdapter {
+    fun getRate(currency: String): Double
+}

src/main/kotlin/com/cubetiqs/libra/moneyutils/MoneyExtension.kt

@@ -0,0 +1,7 @@
+package com.cubetiqs.libra.moneyutils
+
+fun StdMoney.exchangeTo(currency: String): StdMoney {
+    return MoneyExchangeUtils.exchange(this, currency)
+}
+
+fun StdMoney.isMatchedCurrency(currency: String) = this.getMoneyCurrency().equals(currency, ignoreCase = true)

src/main/kotlin/com/cubetiqs/libra/moneyutils/MoneyOperator.kt

@@ -1,13 +1,12 @@
 package com.cubetiqs.libra.moneyutils
 
-operator fun Money.unaryMinus() = (-getMoneyValue())
-operator fun Money.unaryPlus() = (+getMoneyValue())
+operator fun StdMoney.unaryMinus() = (-getMoneyValue())
+operator fun StdMoney.unaryPlus() = (+getMoneyValue())
 operator fun Money.inc() = Money(value++)
 operator fun Money.dec() = Money(value--)
-operator fun Money.plus(other: Money) = Money(value + other.value)
-operator fun Money.times(other: Money) = Money(value * other.value)
-operator fun Money.div(other: Money) = Money(value / other.value)
-operator fun Money.timesAssign(other: Money) {
-    this.value = this.value * other.value
+operator fun StdMoney.plus(other: StdMoney) = Money(getMoneyValue() + other.getMoneyValue())
+operator fun StdMoney.times(other: StdMoney) = Money(getMoneyValue() * other.getMoneyValue())
+operator fun StdMoney.div(other: StdMoney) = Money(getMoneyValue() / other.getMoneyValue())
+operator fun Money.timesAssign(other: StdMoney) {
+    this.value = this.getMoneyValue() * other.getMoneyValue()
 }
-operator fun Money.not() = this.value != this.value

src/main/kotlin/com/cubetiqs/libra/moneyutils/SpecialString.kt

@@ -0,0 +1,5 @@
+package com.cubetiqs.libra.moneyutils
+
+@Target(AnnotationTarget.FIELD)
+@Retention(AnnotationRetention.RUNTIME)
+annotation class SpecialString(val value: String = "", val upperCase: Boolean = true, val trim: Boolean = true)

src/main/kotlin/com/cubetiqs/libra/moneyutils/SpecialStringProcessor.kt

@@ -0,0 +1,37 @@
+package com.cubetiqs.libra.moneyutils
+
+import java.lang.reflect.Field
+
+class SpecialStringProcessor: ISerializer {
+    override fun <T> serialize(data: T?): T? {
+        if (data == null) return null
+        val clazz = data.javaClass
+        clazz.declaredFields.forEach {
+            it.isAccessible = true
+            if (it.isAnnotationPresent(SpecialString::class.java) && it.genericType == String::class.java) {
+                val annotationValues = it.getAnnotation(SpecialString::class.java)
+                var value = it.get(data).toString()
+                if (annotationValues.trim) {
+                    value = value.trim()
+                }
+                if (annotationValues.upperCase) {
+                    value = value.toUpperCase()
+                }
+                it.set(data, value)
+            }
+        }
+
+        return data
+    }
+
+    private fun getSerializeKey(field: Field): String {
+        val annotationValue = field.getAnnotation(SpecialString::class.java).value
+        return if (annotationValue.isEmpty()) {
+            field.name
+        } else annotationValue
+    }
+}
+
+interface ISerializer {
+    fun <T> serialize(data: T?): T?
+}

src/main/kotlin/com/cubetiqs/libra/moneyutils/StdMoney.kt

@@ -20,5 +20,6 @@ interface StdMoney {
      *
      * @return String
      */
+    @SpecialString
     fun getMoneyCurrency(): String
 }

src/test/kotlin/MoneyTests.kt

@@ -1,21 +1,26 @@
 import com.cubetiqs.libra.moneyutils.Money
 import com.cubetiqs.libra.moneyutils.MoneyConfig
+import com.cubetiqs.libra.moneyutils.MoneyCurrency
 import com.cubetiqs.libra.moneyutils.MoneyExchangeUtils
-import com.cubetiqs.libra.moneyutils.plus
-import com.cubetiqs.libra.moneyutils.times
-import com.cubetiqs.libra.moneyutils.timesAssign
+import com.cubetiqs.libra.moneyutils.SpecialStringProcessor
 import org.junit.Assert
 import org.junit.Test
 
 class MoneyTests {
     @Test
-    fun test() {
-        val money = Money(10.0)
-        val money2 = Money(20.0)
-        money *= money
-        println((money + money2) * money2)
-        Assert.assertEquals(10, 10)
+    fun money_operator_test() {
+        // val money = Money(10.0)
+        // val money2 = Money(20.0)
+        // money *= money
+        // println((money + money2) * money2)
+        // Assert.assertEquals(100.0, money.value, 0.0)
 
+        val test = SpecialStringProcessor().serialize(Money(1.0, "  usd   "))
+        println(test)
+    }
+
+    @Test
+    fun exchange_2usd_to_khr_test() {
         val properties = MoneyConfig
             .MoneyConfigProperties
             .MoneyConfigPropertiesBuilder()
@@ -27,11 +32,27 @@ class MoneyTests {
             .setProperties(properties)
             .parse("USD:1,KHR:4000")
 
+        Assert.assertTrue(MoneyConfig.isValid())
+
         println(MoneyConfig.getConfig())
 
-        val moneyUsd = Money(10.0)
+        val moneyUsd = Money(2.0)
         val moneyKhr = MoneyExchangeUtils.exchange(moneyUsd, "KHR")
 
-        Assert.assertEquals(40000.0, moneyKhr.getMoneyValue(), 0.0)
+        Assert.assertEquals(8000.0, moneyKhr.getMoneyValue(), 0.0)
+    }
+
+    @Test
+    fun money_exchange_config_builder_test() {
+        MoneyConfig.propertiesBuilder
+            .setDeliEqual('=')
+            .setDeliSplit(';')
+
+        MoneyConfig.parse("USD:1,KHR=4000,EUR=0.99")
+
+        val moneyUsd = Money.ONE
+        val moneyKhr = Money.create(20000.0, MoneyCurrency.KHR)
+
+        val result = moneyUsd
     }
 }

src/test/kotlin/ObjectTests.kt

@@ -0,0 +1,37 @@
+import org.junit.Test
+
+class ObjectTests {
+
+    @Test
+    fun builder_object_test() {
+        val person = Person
+            .builder()
+            .name("Sambo Chea")
+            .id(10)
+            .build()
+
+        println(person)
+    }
+}
+
+data class Person(val id: Long? = null, val name: String? = null) {
+    companion object {
+        fun builder(): PersonBuilder {
+            return PersonBuilder()
+        }
+    }
+}
+
+class PersonBuilder {
+    private var id: Long? = null
+    private var name: String? = null
+
+    fun id(id: Long?) = apply { this.id = id }
+    fun name(name: String?) = apply { this.name = name }
+
+    fun build(): Person {
+        return Person(id, name)
+    }
+
+
+}