Merge pull request Blankj#690 from BigAdam2005/addBinaryEncoding

Added binary encoding

Author: Blankj

utilcode/src/main/java/com/blankj/utilcode/util/EncodeUtils.java

@@ -183,4 +183,34 @@ public static CharSequence htmlDecode(final String input) {
             return Html.fromHtml(input);
         }
     }
+
+    /**
+     * Return the binary encoded string padded with one space
+     *
+     * @param input
+     * @return binary string
+     */
+    public static String binEncode(final String input) {
+        StringBuilder stringBuilder = new StringBuilder();
+        for (char i : input.toCharArray()) {
+              stringBuilder.append(Integer.toBinaryString(i));
+              stringBuilder.append(' ');
+        }
+        return stringBuilder.toString();
+    }
+
+    /**
+     * Return UTF-8 String from binary
+     * 
+     * @param input binary string
+     * @return UTF-8 String
+     */
+    public static  String binDecode(final String input){
+        String[] splitted = input.split(" ");
+        StringBuilder sb = new StringBuilder();
+        for(String i : splitted){
+            sb.append(((char) Integer.parseInt(i.replace(" ", ""), 2)));
+        }
+        return sb.toString();
+    }
 }

utilcode/src/test/java/com/blankj/utilcode/util/EncodeUtilsTest.java

@@ -70,4 +70,10 @@ public void htmlEncode_htmlDecode() {
 
         assertEquals(html, EncodeUtils.htmlDecode(encodeHtml).toString());
     }
+    @Test
+    public void binEncode_binDecode(){
+        String test = "test";
+        String binary = EncodeUtils.binEncode(test);
+        assertEquals("test", EncodeUtils.binDecode(binary));
+    }
 }