Merge pull request #9350 from vikasrajput6035/BAEL-3067

BAEL-3067: Article - Convert BufferedReader to JSONObject - Completed

core-java-modules/core-java-io-conversions-2/pom.xml

@@ -21,6 +21,11 @@
             <artifactId>commons-lang3</artifactId>
             <version>${commons-lang3.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.json</groupId>
+            <artifactId>json</artifactId>
+            <version>20200518</version>
+        </dependency>
     </dependencies>
 
     <build>

core-java-modules/core-java-io-conversions-2/src/test/java/com/baeldung/bufferedreadertojsonobject/JavaBufferedReaderToJSONObjectUnitTest.java

@@ -0,0 +1,48 @@
+package com.baeldung.bufferedreadertojsonobject;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+import java.io.BufferedReader;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+
+import org.json.JSONObject;
+import org.json.JSONTokener;
+import org.junit.Test;
+
+public class JavaBufferedReaderToJSONObjectUnitTest {
+
+    @Test
+    public void givenValidJson_whenUsingBufferedReader_thenJSONTokenerConverts() {
+        byte[] b = "{ \"name\" : \"John\", \"age\" : 18 }".getBytes(StandardCharsets.UTF_8);
+        InputStream is = new ByteArrayInputStream(b);
+        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(is));
+        JSONTokener tokener = new JSONTokener(bufferedReader);
+        JSONObject json = new JSONObject(tokener);
+
+        assertNotNull(json);
+        assertEquals("John", json.get("name"));
+        assertEquals(18, json.get("age"));
+    }
+
+    @Test
+    public void givenValidJson_whenUsingString_thenJSONObjectConverts() throws IOException {
+        byte[] b = "{ \"name\" : \"John\", \"age\" : 18 }".getBytes(StandardCharsets.UTF_8);
+        InputStream is = new ByteArrayInputStream(b);
+        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(is));
+        StringBuilder sb = new StringBuilder();
+        String line;
+        while ((line = bufferedReader.readLine()) != null) {
+            sb.append(line);
+        }
+        JSONObject json = new JSONObject(sb.toString());
+
+        assertNotNull(json);
+        assertEquals("John", json.get("name"));
+        assertEquals(18, json.get("age"));
+    }
+}