[JAVA-26735] Replaced deprecated API JsonParser

json-modules/gson/src/test/java/com/baeldung/gson/conversion/JsonObjectConversionsUnitTest.java

@@ -4,6 +4,8 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import com.google.gson.*;
+
+import org.junit.Assert;
 import org.junit.jupiter.api.Test;
 
 public class JsonObjectConversionsUnitTest {

json-modules/gson/src/test/java/com/baeldung/gson/deserialization/test/GsonDeserializationUnitTest.java

@@ -3,8 +3,9 @@ package com.baeldung.gson.deserialization.test;
 import static org.hamcrest.Matchers.hasItem;
 import static org.hamcrest.Matchers.instanceOf;
 import static org.hamcrest.Matchers.not;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertThat;
+
 
 import java.lang.reflect.Type;
 import java.util.ArrayList;
@@ -68,7 +69,7 @@ public class GsonDeserializationUnitTest {
 
         final GenericFoo<Integer> targetObject = new Gson().fromJson(json, typeToken);
 
-        assertEquals(targetObject.theValue, new Integer(1));
+        assertEquals(targetObject.theValue, Integer.valueOf(1));
     }
 
     // tests - multiple elements
@@ -98,8 +99,7 @@ public class GsonDeserializationUnitTest {
     @Test
     public void whenDeserializingJsonIntoElements_thenCorrect() {
         final String jsonSourceObject = "{\"valueInt\":7,\"valueString\":\"seven\"}";
-        final JsonParser jParser = new JsonParser();
+        final JsonElement jElement = JsonParser.parseString(jsonSourceObject);
-        final JsonElement jElement = jParser.parse(jsonSourceObject);
         final JsonObject jObject = jElement.getAsJsonObject();
         final int intValue = jObject.get("valueInt").getAsInt();
         final String stringValue = jObject.get("valueString").getAsString();

json-modules/gson/src/test/java/com/baeldung/gson/jsoncompare/JsonCompareUnitTest.java

@@ -16,79 +16,71 @@ public class JsonCompareUnitTest {
 
     @Test
     public void givenIdenticalSimpleObjects_whenCompared_thenEqual() {
-        JsonParser parser = new JsonParser();
         String string1 = "{\"customer\": {\"id\": \"44521\",\"fullName\": \"Emily Jenkins\", \"age\": 27 }}";
         String string2 = "{\"customer\": {\"id\": \"44521\", \"fullName\": \"Emily Jenkins\",\"age\": 27}}";
 
-        assertTrue(parser.parse(string1)
+        assertTrue(JsonParser.parseString(string1).isJsonObject());
-            .isJsonObject());
+        assertEquals(JsonParser.parseString(string1), JsonParser.parseString(string2));
-        assertEquals(parser.parse(string1), parser.parse(string2));
     }
 
     @Test
     public void givenSameObjectsInDifferentOrder_whenCompared_thenEqual() {
-        JsonParser parser = new JsonParser();
         String string1 = "{\"customer\": {\"id\": \"44521\",\"fullName\": \"Emily Jenkins\", \"age\": 27 }}";
         String string2 = "{\"customer\": {\"id\": \"44521\",\"age\": 27, \"fullName\": \"Emily Jenkins\" }}";
 
-        JsonElement json1 = parser.parse(string1);
+        JsonElement json1 = JsonParser.parseString(string1);
-        JsonElement json2 = parser.parse(string2);
+        JsonElement json2 = JsonParser.parseString(string2);
 
         assertEquals(json1, json2);
     }
 
     @Test
     public void givenIdenticalArrays_whenCompared_thenEqual() {
-        JsonParser parser = new JsonParser();
         String string1 = "[10, 20, 30]";
         String string2 = "[10, 20, 30]";
 
-        assertTrue(parser.parse(string1)
+        assertTrue(JsonParser.parseString(string1)
             .isJsonArray());
-        assertEquals(parser.parse(string1), parser.parse(string2));
+        assertEquals(JsonParser.parseString(string1), JsonParser.parseString(string2));
     }
 
     @Test
     public void givenArraysInDifferentOrder_whenCompared_thenNotEqual() {
-        JsonParser parser = new JsonParser();
         String string1 = "[20, 10, 30]";
         String string2 = "[10, 20, 30]";
 
-        assertNotEquals(parser.parse(string1), parser.parse(string2));
+        assertNotEquals(JsonParser.parseString(string1), JsonParser.parseString(string2));
     }
 
     @Test
     public void givenIdenticalNestedObjects_whenCompared_thenEqual() {
-        JsonParser parser = new JsonParser();
         String string1 = "{\"customer\": {\"id\": \"44521\",\"fullName\": \"Emily Jenkins\", \"age\": 27, \"consumption_info\" : {\"fav_product\": \"Coke\", \"last_buy\": \"2012-04-23\"}}}";
         String string2 = "{\"customer\": {\"id\": \"44521\",\"fullName\": \"Emily Jenkins\", \"age\": 27, \"consumption_info\" : {\"last_buy\": \"2012-04-23\", \"fav_product\": \"Coke\"}}}";
 
-        JsonElement json1 = parser.parse(string1);
+        JsonElement json1 = JsonParser.parseString(string1);
-        JsonElement json2 = parser.parse(string2);
+        JsonElement json2 = JsonParser.parseString(string2);
 
         assertEquals(json1, json2);
     }
 
     @Test
     public void givenIdenticalNestedObjectsWithArray_whenCompared_thenEqual() {
-        JsonParser parser = new JsonParser();
         String string1 = "{\"customer\": {\"id\": \"44521\",\"fullName\": \"Emily Jenkins\", \"age\": 27, \"consumption_info\" : {\"last_buy\": \"2012-04-23\", \"prouducts\": [\"banana\", \"eggs\"]}}}";
         String string2 = "{\"customer\": {\"id\": \"44521\",\"fullName\": \"Emily Jenkins\", \"age\": 27, \"consumption_info\" : {\"last_buy\": \"2012-04-23\", \"prouducts\": [\"banana\", \"eggs\"]}}}";
 
-        JsonElement json1 = parser.parse(string1);
+        JsonElement json1 = JsonParser.parseString(string1);
-        JsonElement json2 = parser.parse(string2);
+        JsonElement json2 = JsonParser.parseString(string2);
 
         assertEquals(json1, json2);
     }
 
     @Test
     public void givenNestedObjectsDifferentArrayOrder_whenCompared_thenNotEqual() {
-        JsonParser parser = new JsonParser();
         String string1 = "{\"customer\": {\"id\": \"44521\",\"fullName\": \"Emily Jenkins\", \"age\": 27, \"consumption_info\" : {\"last_buy\": \"2012-04-23\", \"prouducts\": [\"banana\", \"eggs\"]}}}";
         String string2 = "{\"customer\": {\"id\": \"44521\",\"fullName\": \"Emily Jenkins\", \"age\": 27, \"consumption_info\" : {\"last_buy\": \"2012-04-23\", \"prouducts\": [\"eggs\", \"banana\"]}}}";
 
-        JsonElement json1 = parser.parse(string1);
+        JsonElement json1 = JsonParser.parseString(string1);
-        JsonElement json2 = parser.parse(string2);
+        JsonElement json2 = JsonParser.parseString(string2);
 
         assertNotEquals(json1, json2);
     }

json-modules/gson/src/test/java/com/baeldung/gson/serialization/GsonSerializeUnitTest.java

@@ -41,8 +41,7 @@ public class GsonSerializeUnitTest {
           .serializeNulls()
           .disableHtmlEscaping()
           .create()
-          .toJson(new JsonParser()
+          .toJson(JsonParser.parseString("{\"imdbId\":null,\"actors\":[{\"<strong>IMDB Code</strong>\":\"nm2199632\",\"<strong>Date Of Birth</strong>\":\"21-09-1982\",\"<strong>N° Film:</strong> \":3,\"filmography\":\"Apocalypto-Beatdown-Wind Walkers\"}]}"));
-            .parse("{\"imdbId\":null,\"actors\":[{\"<strong>IMDB Code</strong>\":\"nm2199632\",\"<strong>Date Of Birth</strong>\":\"21-09-1982\",\"<strong>N° Film:</strong> \":3,\"filmography\":\"Apocalypto-Beatdown-Wind Walkers\"}]}"));
         Assert.assertEquals(gson.toJson(movieWithNullValue), expectedOutput);
     }
 }