Added new functionalities

Author: mauriciotogneri

README.md

@@ -23,7 +23,7 @@ and the dependency:
 <dependency>
     <groupId>com.mauriciotogneri</groupId>
     <artifactId>javautils</artifactId>
-    <version>1.4.0</version>
+    <version>1.5.0</version>
 </dependency>
 ```
 
@@ -32,6 +32,6 @@ or if you use Gradle:
 ```groovy
 dependencies
 {
-    compile 'com.mauriciotogneri:javautils:1.4.0'
+    compile 'com.mauriciotogneri:javautils:1.5.0'
 }
 ```

pom.xml

@@ -7,7 +7,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.mauriciotogneri</groupId>
     <artifactId>javautils</artifactId>
-    <version>1.4.0</version>
+    <version>1.5.0</version>
     <name>Java Utils</name>
     <packaging>jar</packaging>
     <url>https://github.com/mauriciotogneri/java-utils</url>

src/main/java/com/mauriciotogneri/javautils/FormattedNumber.java

@@ -18,7 +18,7 @@ private FormattedNumber(Locale locale, Integer minDecimals, Integer maxDecimals,
         this.withSign = withSign;
     }
 
-    public String format(Double value)
+    public String format(double value)
     {
         NumberFormat numberFormat = NumberFormat.getNumberInstance(locale);
 

src/main/java/com/mauriciotogneri/javautils/Json.java

@@ -35,7 +35,7 @@ public class Json
 {
     private static final Gson gson = new Gson();
 
-    public static Gson create(Boolean prettyPrint)
+    public static Gson create(boolean prettyPrint)
     {
         return builder(prettyPrint).create();
     }
@@ -108,6 +108,11 @@ public static <A, B extends JsonToObject<A>> A[] array(B[] list, Class<A> clazz)
         return result;
     }
 
+    public static <T> T jsonToObject(JsonToObject<T> object)
+    {
+        return (object != null) ? object.object() : null;
+    }
+
     public interface JsonToObject<T>
     {
         T object();
@@ -241,7 +246,7 @@ public void write(JsonWriter out, T value) throws IOException
         }
     }
 
-    public static GsonBuilder builder(Boolean prettyPrint)
+    public static GsonBuilder builder(boolean prettyPrint)
     {
         GsonBuilder builder = new GsonBuilder();
         builder.registerTypeAdapter(DateTime.class, new DateTimeTypeAdapter());

src/main/java/com/mauriciotogneri/javautils/Lists.java

@@ -26,6 +26,16 @@ public static <T> T[] asArray(Collection<T> list, Class<T> clazz)
         return result;
     }
 
+    @SuppressWarnings("unchecked")
+    private <T> T[] arrayAppend(T[] array, T value, Class<T> clazz)
+    {
+        T[] result = (T[]) Array.newInstance(clazz, array.length + 1);
+        System.arraycopy(array, 0, result, 0, array.length);
+        result[result.length - 1] = value;
+
+        return result;
+    }
+
     public static <T> List<T> split(String list, String separator, Factory<T> factory)
     {
         List<T> result = new ArrayList<>();

src/main/java/com/mauriciotogneri/javautils/Randomized.java

@@ -11,67 +11,67 @@ private Randomized()
     }
 
     // 3 out of 5 => [ 0 1 2 ] 3 4
-    public static Boolean chance(Integer valid, Integer outOf)
+    public static boolean chance(int valid, int outOf)
     {
         return (nextInt(outOf) < valid);
     }
 
-    public static Boolean chance(Integer outOf)
+    public static boolean chance(int outOf)
     {
         return (nextInt(outOf) == 0);
     }
 
-    public static Integer of(Integer min, Integer max)
+    public static int of(int min, int max)
     {
         return nextInt((max - min) + 1) + min;
     }
 
-    public static Integer nextInt()
+    public static int nextInt()
     {
         return random.nextInt();
     }
 
-    public static Integer nextInt(Integer max)
+    public static int nextInt(int max)
     {
         return random.nextInt(max);
     }
 
-    public static Long nextLong()
+    public static long nextLong()
     {
         return random.nextLong();
     }
 
-    public static Double nextDouble()
+    public static double nextDouble()
     {
         return random.nextDouble();
     }
 
-    public static Double nextDouble(Integer places)
+    public static double nextDouble(int places)
     {
         return nextDouble() * Math.pow(10, places);
     }
 
-    public static Double nextDouble(Double max)
+    public static double nextDouble(double max)
     {
         return nextDouble() * max;
     }
 
-    public static Double nextSignedDouble()
+    public static double nextSignedDouble()
     {
         return nextDouble() * sign();
     }
 
-    public static Double nextSignedDouble(Double max)
+    public static double nextSignedDouble(double max)
     {
         return nextDouble(max) * sign();
     }
 
-    public static Integer sign()
+    public static int sign()
     {
         return (nextBoolean() ? 1 : -1);
     }
 
-    public static Boolean nextBoolean()
+    public static boolean nextBoolean()
     {
         return random.nextBoolean();
     }

src/main/java/com/mauriciotogneri/javautils/Resource.java

@@ -23,14 +23,13 @@ public static String string(InputStream inputStream)
     public static byte[] bytes(InputStream inputStream) throws IOException
     {
         int read;
-        int size = 1024;
-        byte[] buf = new byte[size];
+        byte[] buffer = new byte[1024];
 
         ByteArrayOutputStream bos = new ByteArrayOutputStream();
 
-        while ((read = inputStream.read(buf, 0, size)) != -1)
+        while ((read = inputStream.read(buffer, 0, buffer.length)) != -1)
         {
-            bos.write(buf, 0, read);
+            bos.write(buffer, 0, read);
         }
 
         return bos.toByteArray();
@@ -68,9 +67,29 @@ public static void save(File file, String content) throws IOException
         }
     }
 
-    public static Boolean close(Closeable resource)
+    public static boolean close(Closeable resource)
     {
-        Boolean result = false;
+        boolean result = false;
+
+        if (resource != null)
+        {
+            try
+            {
+                resource.close();
+                result = true;
+            }
+            catch (Exception e)
+            {
+                // exception swallowed on purpose
+            }
+        }
+
+        return result;
+    }
+
+    public static boolean close(AutoCloseable resource)
+    {
+        boolean result = false;
 
         if (resource != null)
         {

src/main/java/com/mauriciotogneri/javautils/Strings.java

@@ -8,16 +8,21 @@ private Strings()
     {
     }
 
-    public static Boolean isEmpty(String value)
+    public static boolean isEmpty(String value)
     {
         return (value == null) || (value.isEmpty());
     }
 
-    public static Boolean isNotEmpty(String value)
+    public static boolean isNotEmpty(String value)
     {
         return !isEmpty(value);
     }
 
+    public static String capitalize(String text)
+    {
+        return isEmpty(text) ? text : (text.substring(0, 1).toUpperCase() + text.substring(1));
+    }
+
     public static String trim(String value)
     {
         return (value != null) ? value.trim() : null;
@@ -45,7 +50,7 @@ public static String join(Object[] list, String separator)
         return join(Arrays.asList(list), separator);
     }
 
-    public static Boolean equals(String a, String b)
+    public static boolean equals(String a, String b)
     {
         return (a != null) && (b != null) && (a.equals(b));
     }