Feature: added the casting feature.

README.md

@@ -55,6 +55,7 @@ The library has util tools as below:
 6. String
 7. Thread
 8. Time
+9. Casting
 
 # NOTE
 
@@ -87,9 +88,9 @@ allprojects {
 And add our dependency to your app `bundle.gradle`.
 
 ```gradle
-implementation 'com.devrapid.jieyi:kotlinknifer:1.5.7'
+implementation 'com.devrapid.jieyi:kotlinknifer:2.0.1'
 
-implementation 'com.devrapid.jieyi:kotlinshaver:0.2.2'
+implementation 'com.devrapid.jieyi:kotlinshaver:1.0.1'
 ```
 
 Then you can use it!!!
@@ -100,14 +101,14 @@ Then you can use it!!!
 <dependency>
   <groupId>com.devrapid.jieyi</groupId>
   <artifactId>kotlinknifer</artifactId>
-  <version>1.5.7</version>
+  <version>2.0.1</version>
   <type>pom</type>
 </dependency>
 
 <dependency>
   <groupId>com.devrapid.jieyi</groupId>
   <artifactId>kotlinshaver</artifactId>
-  <version>0.2.2</version>
+  <version>1.0.1</version>
   <type>pom</type>
 </dependency>
 ```
@@ -120,23 +121,15 @@ Then you can use it!!!
 2. Glide 4.6.1
 
 ## kotlinshaver
+### For Androidx
 
 1. RxJava 2.1.10
 2. RxKotlin 2.2.0
 
 If you'd not like to use them to your project, you can add the exclude as like below
 
 ```gradle
-implementation('com.devrapid.jieyi:kotlinknifer:1.5.7', {
-  exclude group: 'com.google.code.gson', module: 'gson'
-  exclude group: 'com.github.bumptech.glide', module: 'glide'
-})
-```
-
-### For Androidx
-
-```gradle
-implementation('com.devrapid.jieyi:kotlinknifer:2.0.0', {
+implementation('com.devrapid.jieyi:kotlinknifer:2.0.1', {
   exclude group: 'com.google.code.gson', module: 'gson'
   exclude group: 'com.github.bumptech.glide', module: 'glide'
 })
@@ -159,7 +152,7 @@ Please let me know, thank you!
 # License
 
 ```
-Copyright (C) 2017 Jieyi Wu
+Copyright (C) 2018 Jieyi Wu
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

gradle.properties

@@ -21,7 +21,7 @@ proj_name=kotlinknifer
 proj_libname=KotlinKnifer
 proj_group=com.devrapid.jieyi
 proj_artifactid=kotlinknifer
-proj_version=2.0.0
+proj_version=2.0.1
 proj_description=For developing an Android conveniently and rapidly.
 proj_websiteurl=https://github.com/pokk/KotlinKnifer
 proj_issuetrackerurl=https://github.com/pokk/KotlinKnifer/issues
@@ -39,4 +39,4 @@ [email protected]
 proj_kotlin_name=kotlinshaver
 proj_kotlin_libname=KotlinShaver
 proj_kotlin_artifactid=kotlinshaver
-proj_kotlin_version=1.0.0
+proj_kotlin_version=1.0.1

kotlinshaver/src/main/java/com/devrapid/kotlinshaver/Casting.kt

@@ -0,0 +1,13 @@
+package com.devrapid.kotlinshaver
+
+inline fun <reified T> castOrNull(from: Any?) = from as? T
+inline fun <reified T> cast(from: Any?): T {
+    if (null == from) throw NullPointerException("Null object can't cast.")
+
+    try {
+        return T::class.java.cast(from)
+    }
+    catch (castExcept: ClassCastException) {
+        throw ClassCastException("Class casting failed.")
+    }
+}