Improved date formatter

Author: mauriciotogneri

README.md

@@ -23,7 +23,7 @@ and the dependency:
 <dependency>
     <groupId>com.mauriciotogneri</groupId>
     <artifactId>javautils</artifactId>
-    <version>0.4.0</version>
+    <version>0.5.0</version>
 </dependency>
 ```
 
@@ -32,6 +32,6 @@ or if you use Gradle:
 ```groovy
 dependencies
 {
-    compile 'com.mauriciotogneri:javautils:0.4.0'
+    compile 'com.mauriciotogneri:javautils:0.5.0'
 }
 ```

pom.xml

@@ -7,7 +7,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.mauriciotogneri</groupId>
     <artifactId>javautils</artifactId>
-    <version>0.4.0</version>
+    <version>0.5.0</version>
     <name>Java Utils</name>
     <packaging>jar</packaging>
     <url>https://github.com/mauriciotogneri/java-utils</url>

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

@@ -4,28 +4,56 @@
 import org.joda.time.DateTimeZone;
 import org.joda.time.format.DateTimeFormat;
 import org.joda.time.format.DateTimeFormatter;
+import org.joda.time.format.DateTimeFormatterBuilder;
+import org.joda.time.format.DateTimeParser;
 
 import java.util.Locale;
 
 public class FormattedDateTime
 {
     private final DateTimeFormatter formatter;
 
-    public FormattedDateTime(DateTimeFormatter formatter)
+    public FormattedDateTime(DateTimeFormatter formatter, DateTimeFormatter... formatters)
     {
-        this.formatter = formatter;
+        this.formatter = new DateTimeFormatterBuilder().append(formatter.getPrinter(), parsers(formatter, formatters)).toFormatter();
     }
 
-    public FormattedDateTime(String pattern)
+    public FormattedDateTime(String pattern, String... patterns)
     {
-        this(DateTimeFormat.forPattern(pattern));
+        this.formatter = new DateTimeFormatterBuilder().append(DateTimeFormat.forPattern(pattern).getPrinter(), parsers(pattern, patterns)).toFormatter();
     }
 
     public FormattedDateTime()
     {
         this("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'");
     }
 
+    private DateTimeParser[] parsers(DateTimeFormatter formatter, DateTimeFormatter... formatters)
+    {
+        DateTimeParser[] parsers = new DateTimeParser[formatters.length + 1];
+        parsers[0] = formatter.getParser();
+
+        for (int i = 0; i < formatters.length; i++)
+        {
+            parsers[i + 1] = formatters[i].getParser();
+        }
+
+        return parsers;
+    }
+
+    private DateTimeParser[] parsers(String pattern, String... patterns)
+    {
+        DateTimeParser[] parsers = new DateTimeParser[patterns.length + 1];
+        parsers[0] = DateTimeFormat.forPattern(pattern).getParser();
+
+        for (int i = 0; i < patterns.length; i++)
+        {
+            parsers[i + 1] = DateTimeFormat.forPattern(patterns[i]).getParser();
+        }
+
+        return parsers;
+    }
+
     // ============================================================================================
 
     public String date(DateTime dateTime, DateTimeZone timeZone, Locale locale, String defaultValue)