From 1f4d1839f44232312c289e30b6869420dd558520 Mon Sep 17 00:00:00 2001
From: Anshul Bansal <smartdiscover17@gmail.com>
Date: Tue, 29 Jan 2019 17:27:52 +0200
Subject: [PATCH] BAEL-2659 - Reading a file in Groovy - added more examples
 and unit tests

---
 .../groovy/com/baeldung/file/ReadFile.groovy  |  36 ++++++++++++++++++
 core-groovy/src/main/resources/sample.png     | Bin 0 -> 329 bytes
 .../src/main/resources/utf8Content.html       |   5 +++
 .../com/baeldung/file/ReadFileUnitTest.groovy |  12 +++++-
 4 files changed, 52 insertions(+), 1 deletion(-)
 create mode 100644 core-groovy/src/main/resources/sample.png
 create mode 100644 core-groovy/src/main/resources/utf8Content.html

diff --git a/core-groovy/src/main/groovy/com/baeldung/file/ReadFile.groovy b/core-groovy/src/main/groovy/com/baeldung/file/ReadFile.groovy
index 73208a52c8..38bf189e63 100644
--- a/core-groovy/src/main/groovy/com/baeldung/file/ReadFile.groovy
+++ b/core-groovy/src/main/groovy/com/baeldung/file/ReadFile.groovy
@@ -53,5 +53,41 @@ class ReadFile {
         return utf8Content
     }
 
+    /**
+     * reads content of binary file and returns byte array
+     * @param filePath
+     * @return
+     */
+    byte[] readBinaryFile(String filePath) {
+        File file = new File(filePath)
+        byte[] binaryContent = file.bytes
+        return binaryContent
+    }
+    
+    /**
+     * More Examples of reading a file 
+     * @return
+     */
+    def moreExamples() {
+        def list = new File("src/main/resources/fileContent.txt").collect {it}
+                
+        def array = new File("src/main/resources/fileContent.txt") as String[]
+                
+        new File("src/main/resources/fileContent.txt").eachLine { line ->
+            println line
+        }
+        
+        def is = new File("src/main/resources/fileContent.txt").newInputStream()
+        is.eachLine {
+            println it
+        }
+        is.close()
+        
+        new File("src/main/resources/fileContent.txt").withInputStream { stream ->
+            stream.eachLine { line ->
+                println line
+            }
+        }
+    }
 
 }
\ No newline at end of file
diff --git a/core-groovy/src/main/resources/sample.png b/core-groovy/src/main/resources/sample.png
new file mode 100644
index 0000000000000000000000000000000000000000..7d473430b7bec514f7de12f5769fe7c5859e8c5d
GIT binary patch
literal 329
zcmeAS@N?(olHy`uVBq!ia0vp^JRr;gBp8b2n5}^nQ<As43j@QdUS%U7FWJ+@F{I*F
zXx~QO0|p!{`<Hx?($n1Ql(x9!rI~U{@0x=gQ&>C}X^4DKU-G|w_t}fLBA)Suv#nrW
z!^h2QnY_`l!B<x?#cqSRfyQ~Q1@<4<=dkIYNUpteZJn&Cq*Q53=dm6u@dFh)Vs8$H
zYyn#5T;dv05}cn_Ql40p%HW`(tm&DXn4apJn4X!Otze>Oq-UXEX{m2up>JTQkX)2m
zTvF+fTUlI^nXH#utd~++ke^qgmz<wFahKu_pmADY<1*9p5=%;f=9yX~8kifU8kifT
zBpMl|nHd_JCMTsBr<xd=n3|ZSS!QG@z6I*y1L+C?TFYQ)RAFeOZJ=$?lDoSWD8u0C
L>gTe~DWM4ffP81J

literal 0
HcmV?d00001

diff --git a/core-groovy/src/main/resources/utf8Content.html b/core-groovy/src/main/resources/utf8Content.html
new file mode 100644
index 0000000000..9d941200b1
--- /dev/null
+++ b/core-groovy/src/main/resources/utf8Content.html
@@ -0,0 +1,5 @@
+ᚠᛇᚻ᛫ᛒᛦᚦ᛫ᚠᚱᚩᚠᚢᚱ᛫ᚠᛁᚱᚪ᛫ᚷᛖᚻᚹᛦᛚᚳᚢᛗ
+ᛋᚳᛖᚪᛚ᛫ᚦᛖᚪᚻ᛫ᛗᚪᚾᚾᚪ᛫ᚷᛖᚻᚹᛦᛚᚳ᛫ᛗᛁᚳᛚᚢᚾ᛫ᚻᛦᛏ᛫ᛞᚫᛚᚪᚾ
+ᚷᛁᚠ᛫ᚻᛖ᛫ᚹᛁᛚᛖ᛫ᚠᚩᚱ᛫ᛞᚱᛁᚻᛏᚾᛖ᛫ᛞᚩᛗᛖᛋ᛫ᚻᛚᛇᛏᚪᚾ
+
+¥ · £ · € · $ · ¢ · ₡ · ₢ · ₣ · ₤ · ₥ · ₦ · ₧ · ₨ · ₩ · ₪ · ₫ · ₭ · ₮ · ₯ · ₹
\ No newline at end of file
diff --git a/core-groovy/src/test/groovy/com/baeldung/file/ReadFileUnitTest.groovy b/core-groovy/src/test/groovy/com/baeldung/file/ReadFileUnitTest.groovy
index 105a8e157f..5fc1409276 100644
--- a/core-groovy/src/test/groovy/com/baeldung/file/ReadFileUnitTest.groovy
+++ b/core-groovy/src/test/groovy/com/baeldung/file/ReadFileUnitTest.groovy
@@ -48,11 +48,21 @@ Line 3 : String content""")
 
     def 'Should return UTF-8 encoded file content in string using ReadFile.readFileStringWithCharset given filePath' () {
         given:
-            def filePath = "src/main/resources/fileContent.txt"
+            def filePath = "src/main/resources/utf8Content.html"
         when:
             def noOfLines = readFile.readFileStringWithCharset(filePath)
         then:
             noOfLines
             noOfLines instanceof String
     }
+    
+    def 'Should return binary file content in byte arry using ReadFile.readBinaryFile given filePath' () {
+        given:
+            def filePath = "src/main/resources/sample.png"
+        when:
+            def noOfLines = readFile.readBinaryFile(filePath)
+        then:
+            noOfLines
+            noOfLines instanceof byte[]
+    }
 }
\ No newline at end of file