Added jackson/gson updates (#552)

2016-08-09 21:51:06 -07:00
parent 87d260ce46
commit 31d9e1bef6
13 changed files with 599 additions and 0 deletions
@@ -0,0 +1,38 @@
+package org.baeldung.gson.deserialization;
+
+import java.text.ParseException;
+import org.baeldung.gson.entities.ActorGson;
+import org.baeldung.gson.entities.Movie;
+import org.baeldung.gson.serialization.ActorGsonDeserializer;
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
+public class GsonDeserializeTest {
+
+    @Test
+    public void whenSimpleDeserialize_thenCorrect() throws ParseException {
+
+        String jsonInput = "{\"imdbId\":\"tt0472043\",\"actors\":" + "[{\"imdbId\":\"nm2199632\",\"dateOfBirth\":\"1982-09-21T12:00:00+01:00\",\"filmography\":" + "[\"Apocalypto\",\"Beatdown\",\"Wind Walkers\"]}]}";
+
+        Movie outputMovie = new Gson().fromJson(jsonInput, Movie.class);
+
+        String expectedOutput = "Movie [imdbId=tt0472043, director=null, actors=[ActorGson [imdbId=nm2199632, dateOfBirth=Tue Sep 21 04:00:00 PDT 1982, filmography=[Apocalypto, Beatdown, Wind Walkers]]]]";
+        Assert.assertEquals(outputMovie.toString(), expectedOutput);
+    }
+
+    @Test
+    public void whenCustomDeserialize_thenCorrect() throws ParseException {
+
+        String jsonInput = "{\"imdbId\":\"tt0472043\",\"actors\":" + "[{\"imdbId\":\"nm2199632\",\"dateOfBirth\":\"1982-09-21T12:00:00+01:00\",\"filmography\":" + "[\"Apocalypto\",\"Beatdown\",\"Wind Walkers\"]}]}";
+
+        Gson gson = new GsonBuilder().registerTypeAdapter(ActorGson.class, new ActorGsonDeserializer()).create();
+
+        Movie outputMovie = gson.fromJson(jsonInput, Movie.class);
+
+        String expectedOutput = "Movie [imdbId=tt0472043, director=null, actors=[ActorGson [imdbId=nm2199632, dateOfBirth=Tue Sep 21 12:00:00 PDT 1982, filmography=[Apocalypto, Beatdown, Wind Walkers]]]]";
+        Assert.assertEquals(outputMovie.toString(), expectedOutput);
+    }
+}
@@ -0,0 +1,51 @@
+package org.baeldung.gson.serialization;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Arrays;
+
+import org.baeldung.gson.entities.ActorGson;
+import org.baeldung.gson.entities.Movie;
+import org.baeldung.gson.entities.MovieWithNullValue;
+import org.baeldung.gson.serialization.ActorGsonDeserializer;
+import org.baeldung.gson.serialization.ActorGsonSerializer;
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonParser;
+
+public class GsonSerializeTest {
+
+    @Test
+    public void whenSimpleSerialize_thenCorrect() throws ParseException {
+
+        SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy");
+
+        ActorGson rudyYoungblood = new ActorGson("nm2199632", sdf.parse("21-09-1982"), Arrays.asList("Apocalypto", "Beatdown", "Wind Walkers"));
+        Movie movie = new Movie("tt0472043", "Mel Gibson", Arrays.asList(rudyYoungblood));
+
+        String expectedOutput = "{\"imdbId\":\"tt0472043\",\"director\":\"Mel Gibson\",\"actors\":[{\"imdbId\":\"nm2199632\",\"dateOfBirth\":\"Sep 21, 1982 12:00:00 AM\",\"filmography\":[\"Apocalypto\",\"Beatdown\",\"Wind Walkers\"]}]}";
+        Assert.assertEquals(new Gson().toJson(movie), expectedOutput);
+    }
+
+    @Test
+    public void whenCustomSerialize_thenCorrect() throws ParseException {
+        Gson gson = new GsonBuilder().setPrettyPrinting().excludeFieldsWithoutExposeAnnotation().serializeNulls().disableHtmlEscaping().registerTypeAdapter(ActorGson.class, new ActorGsonSerializer()).create();
+
+        SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy");
+
+        ActorGson rudyYoungblood = new ActorGson("nm2199632", sdf.parse("21-09-1982"), Arrays.asList("Apocalypto", "Beatdown", "Wind Walkers"));
+        MovieWithNullValue movieWithNullValue = new MovieWithNullValue(null, "Mel Gibson", Arrays.asList(rudyYoungblood));
+
+        String expectedOutput = new GsonBuilder()
+                .setPrettyPrinting()
+                .serializeNulls()
+                .disableHtmlEscaping()
+                .create()
+                .toJson(new JsonParser()
+                        .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);
+    }
+}