From 31d9e1bef60b3ec03a0d9b9fe23aa424c10ac074 Mon Sep 17 00:00:00 2001 From: Nancy Bosecker Date: Tue, 9 Aug 2016 21:51:06 -0700 Subject: [PATCH] Added jackson/gson updates (#552) --- .../org/baeldung/gson/entities/ActorGson.java | 48 +++++++++++++++ .../org/baeldung/gson/entities/Movie.java | 46 ++++++++++++++ .../gson/entities/MovieWithNullValue.java | 45 ++++++++++++++ .../serialization/ActorGsonDeserializer.java | 52 ++++++++++++++++ .../serialization/ActorGsonSerializer.java | 34 +++++++++++ .../deserialization/GsonDeserializeTest.java | 38 ++++++++++++ .../gson/serialization/GsonSerializeTest.java | 51 ++++++++++++++++ .../jackson/entities/ActorJackson.java | 55 +++++++++++++++++ .../org/baeldung/jackson/entities/Movie.java | 50 ++++++++++++++++ .../jackson/entities/MovieWithNullValue.java | 47 +++++++++++++++ .../serialization/ActorJacksonSerializer.java | 31 ++++++++++ .../JacksonDeserializeTest.java | 42 +++++++++++++ .../serialization/JacksonSerializeTest.java | 60 +++++++++++++++++++ 13 files changed, 599 insertions(+) create mode 100644 gson/src/main/java/org/baeldung/gson/entities/ActorGson.java create mode 100644 gson/src/main/java/org/baeldung/gson/entities/Movie.java create mode 100644 gson/src/main/java/org/baeldung/gson/entities/MovieWithNullValue.java create mode 100644 gson/src/main/java/org/baeldung/gson/serialization/ActorGsonDeserializer.java create mode 100644 gson/src/main/java/org/baeldung/gson/serialization/ActorGsonSerializer.java create mode 100644 gson/src/test/java/org/baeldung/gson/deserialization/GsonDeserializeTest.java create mode 100644 gson/src/test/java/org/baeldung/gson/serialization/GsonSerializeTest.java create mode 100644 jackson/src/main/java/org/baeldung/jackson/entities/ActorJackson.java create mode 100644 jackson/src/main/java/org/baeldung/jackson/entities/Movie.java create mode 100644 jackson/src/main/java/org/baeldung/jackson/entities/MovieWithNullValue.java create mode 100644 jackson/src/main/java/org/baeldung/jackson/serialization/ActorJacksonSerializer.java create mode 100644 jackson/src/test/java/org/baeldung/jackson/deserialization/JacksonDeserializeTest.java create mode 100644 jackson/src/test/java/org/baeldung/jackson/serialization/JacksonSerializeTest.java diff --git a/gson/src/main/java/org/baeldung/gson/entities/ActorGson.java b/gson/src/main/java/org/baeldung/gson/entities/ActorGson.java new file mode 100644 index 0000000000..d2c0a8782c --- /dev/null +++ b/gson/src/main/java/org/baeldung/gson/entities/ActorGson.java @@ -0,0 +1,48 @@ +package org.baeldung.gson.entities; + +import java.util.Date; +import java.util.List; + +public class ActorGson { + + @Override + public String toString() { + return "ActorGson [imdbId=" + imdbId + ", dateOfBirth=" + dateOfBirth + ", filmography=" + filmography + "]"; + } + + private String imdbId; + private Date dateOfBirth; + private List filmography; + + public String getImdbId() { + return imdbId; + } + + public void setImdbId(String imdbId) { + this.imdbId = imdbId; + } + + public Date getDateOfBirth() { + return dateOfBirth; + } + + public void setDateOfBirth(Date dateOfBirth) { + this.dateOfBirth = dateOfBirth; + } + + public List getFilmography() { + return filmography; + } + + public void setFilmography(List filmography) { + this.filmography = filmography; + } + + public ActorGson(String imdbId, Date dateOfBirth, List filmography) { + super(); + this.imdbId = imdbId; + this.dateOfBirth = dateOfBirth; + this.filmography = filmography; + } + +} \ No newline at end of file diff --git a/gson/src/main/java/org/baeldung/gson/entities/Movie.java b/gson/src/main/java/org/baeldung/gson/entities/Movie.java new file mode 100644 index 0000000000..d7a46cd146 --- /dev/null +++ b/gson/src/main/java/org/baeldung/gson/entities/Movie.java @@ -0,0 +1,46 @@ +package org.baeldung.gson.entities; + +import java.util.List; + +public class Movie { + + @Override + public String toString() { + return "Movie [imdbId=" + imdbId + ", director=" + director + ", actors=" + actors + "]"; + } + + private String imdbId; + private String director; + private List actors; + + public Movie(String imdbID, String director, List actors) { + super(); + this.imdbId = imdbID; + this.director = director; + this.actors = actors; + } + + public String getImdbID() { + return imdbId; + } + + public void setImdbID(String imdbID) { + this.imdbId = imdbID; + } + + public String getDirector() { + return director; + } + + public void setDirector(String director) { + this.director = director; + } + + public List getActors() { + return actors; + } + + public void setActors(List actors) { + this.actors = actors; + } +} \ No newline at end of file diff --git a/gson/src/main/java/org/baeldung/gson/entities/MovieWithNullValue.java b/gson/src/main/java/org/baeldung/gson/entities/MovieWithNullValue.java new file mode 100644 index 0000000000..227e7dc2be --- /dev/null +++ b/gson/src/main/java/org/baeldung/gson/entities/MovieWithNullValue.java @@ -0,0 +1,45 @@ +package org.baeldung.gson.entities; + +import java.util.List; + +import com.google.gson.annotations.Expose; + +public class MovieWithNullValue { + + @Expose + private String imdbId; + private String director; + @Expose + private List actors; + + public MovieWithNullValue(String imdbID, String director, List actors) { + super(); + this.imdbId = imdbID; + this.director = director; + this.actors = actors; + } + + public String getImdbID() { + return imdbId; + } + + public void setImdbID(String imdbID) { + this.imdbId = imdbID; + } + + public String getDirector() { + return director; + } + + public void setDirector(String director) { + this.director = director; + } + + public List getActors() { + return actors; + } + + public void setActors(List actors) { + this.actors = actors; + } +} \ No newline at end of file diff --git a/gson/src/main/java/org/baeldung/gson/serialization/ActorGsonDeserializer.java b/gson/src/main/java/org/baeldung/gson/serialization/ActorGsonDeserializer.java new file mode 100644 index 0000000000..59ac49a847 --- /dev/null +++ b/gson/src/main/java/org/baeldung/gson/serialization/ActorGsonDeserializer.java @@ -0,0 +1,52 @@ +package org.baeldung.gson.serialization; + +import java.lang.reflect.Type; +import java.text.ParseException; +import java.text.SimpleDateFormat; +import java.time.LocalDate; +import java.time.ZoneId; +import java.util.ArrayList; +import java.util.Date; +import java.util.List; +import java.util.TimeZone; +import java.util.stream.Collectors; + +import org.baeldung.gson.entities.ActorGson; + +import com.google.gson.JsonArray; +import com.google.gson.JsonDeserializationContext; +import com.google.gson.JsonDeserializer; +import com.google.gson.JsonElement; +import com.google.gson.JsonObject; +import com.google.gson.JsonParseException; + +public class ActorGsonDeserializer implements JsonDeserializer { + + private SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss"); + + @Override + public ActorGson deserialize(JsonElement json, Type type, JsonDeserializationContext jsonDeserializationContext) throws JsonParseException { + + JsonObject jsonObject = json.getAsJsonObject(); + + JsonElement jsonImdbId = jsonObject.get("imdbId"); + JsonElement jsonDateOfBirth = jsonObject.get("dateOfBirth"); + JsonArray jsonFilmography = jsonObject.getAsJsonArray("filmography"); + + ArrayList filmList = new ArrayList(); + if (jsonFilmography != null) { + for (int i = 0; i < jsonFilmography.size(); i++) { + filmList.add(jsonFilmography.get(i).getAsString()); + } + } + + ActorGson actorGson = null; + try { + actorGson = new ActorGson(jsonImdbId.getAsString(), sdf.parse(jsonDateOfBirth.getAsString()), filmList); + } catch (ParseException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + return actorGson; + } +} \ No newline at end of file diff --git a/gson/src/main/java/org/baeldung/gson/serialization/ActorGsonSerializer.java b/gson/src/main/java/org/baeldung/gson/serialization/ActorGsonSerializer.java new file mode 100644 index 0000000000..09788cd65a --- /dev/null +++ b/gson/src/main/java/org/baeldung/gson/serialization/ActorGsonSerializer.java @@ -0,0 +1,34 @@ +package org.baeldung.gson.serialization; + +import java.lang.reflect.Type; +import java.text.SimpleDateFormat; +import java.util.List; +import java.util.stream.Collectors; + +import org.baeldung.gson.entities.ActorGson; + +import com.google.gson.JsonElement; +import com.google.gson.JsonObject; +import com.google.gson.JsonSerializationContext; +import com.google.gson.JsonSerializer; + +public class ActorGsonSerializer implements JsonSerializer { + + private SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy"); + + @Override + public JsonElement serialize(ActorGson actor, Type type, JsonSerializationContext jsonSerializationContext) { + + JsonObject actorJsonObj = new JsonObject(); + actorJsonObj.addProperty("IMDB Code", actor.getImdbId()); + actorJsonObj.addProperty("Date Of Birth", actor.getDateOfBirth() != null ? sdf.format(actor.getDateOfBirth()) : null); + actorJsonObj.addProperty("N° Film: ", actor.getFilmography() != null ? actor.getFilmography().size() : null); + actorJsonObj.addProperty("filmography", actor.getFilmography() != null ? convertFilmography(actor.getFilmography()) : null); + + return actorJsonObj; + } + + private String convertFilmography(List filmography) { + return filmography.stream().collect(Collectors.joining("-")); + } +} \ No newline at end of file diff --git a/gson/src/test/java/org/baeldung/gson/deserialization/GsonDeserializeTest.java b/gson/src/test/java/org/baeldung/gson/deserialization/GsonDeserializeTest.java new file mode 100644 index 0000000000..61197546b0 --- /dev/null +++ b/gson/src/test/java/org/baeldung/gson/deserialization/GsonDeserializeTest.java @@ -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); + } +} diff --git a/gson/src/test/java/org/baeldung/gson/serialization/GsonSerializeTest.java b/gson/src/test/java/org/baeldung/gson/serialization/GsonSerializeTest.java new file mode 100644 index 0000000000..0d44b6c9d3 --- /dev/null +++ b/gson/src/test/java/org/baeldung/gson/serialization/GsonSerializeTest.java @@ -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\":[{\"IMDB Code\":\"nm2199632\",\"Date Of Birth\":\"21-09-1982\",\"N° Film: \":3,\"filmography\":\"Apocalypto-Beatdown-Wind Walkers\"}]}")); + Assert.assertEquals(gson.toJson(movieWithNullValue), expectedOutput); + } +} diff --git a/jackson/src/main/java/org/baeldung/jackson/entities/ActorJackson.java b/jackson/src/main/java/org/baeldung/jackson/entities/ActorJackson.java new file mode 100644 index 0000000000..7d9d6549c0 --- /dev/null +++ b/jackson/src/main/java/org/baeldung/jackson/entities/ActorJackson.java @@ -0,0 +1,55 @@ +package org.baeldung.jackson.entities; + +import java.util.Date; +import java.util.List; + +import com.fasterxml.jackson.databind.annotation.JsonDeserialize; + +public class ActorJackson { + + private String imdbId; + private Date dateOfBirth; + private List filmography; + + public String getImdbId() { + return imdbId; + } + + public void setImdbId(String imdbId) { + this.imdbId = imdbId; + } + + public Date getDateOfBirth() { + return dateOfBirth; + } + + public void setDateOfBirth(Date dateOfBirth) { + this.dateOfBirth = dateOfBirth; + } + + public List getFilmography() { + return filmography; + } + + public void setFilmography(List filmography) { + this.filmography = filmography; + } + + public ActorJackson(String imdbId, Date dateOfBirth, List filmography) { + super(); + this.imdbId = imdbId; + this.dateOfBirth = dateOfBirth; + this.filmography = filmography; + } + + public ActorJackson() { + + super(); + } + + @Override + public String toString() { + return "ActorJackson [imdbId=" + imdbId + ", dateOfBirth=" + dateOfBirth + ", filmography=" + filmography + "]"; + } + +} diff --git a/jackson/src/main/java/org/baeldung/jackson/entities/Movie.java b/jackson/src/main/java/org/baeldung/jackson/entities/Movie.java new file mode 100644 index 0000000000..68b7464563 --- /dev/null +++ b/jackson/src/main/java/org/baeldung/jackson/entities/Movie.java @@ -0,0 +1,50 @@ +package org.baeldung.jackson.entities; + +import java.util.List; + +public class Movie { + + private String imdbId; + private String director; + private List actors; + + public Movie(String imdbId, String director, List actors) { + super(); + this.imdbId = imdbId; + this.director = director; + this.actors = actors; + } + + public Movie() { + super(); + } + + @Override + public String toString() { + return "Movie [imdbId=" + imdbId + ", director=" + director + ", actors=" + actors + "]"; + } + + public String getImdbId() { + return imdbId; + } + + public void setImdbId(String imdbId) { + this.imdbId = imdbId; + } + + public String getDirector() { + return director; + } + + public void setDirector(String director) { + this.director = director; + } + + public List getActors() { + return actors; + } + + public void setActors(List actors) { + this.actors = actors; + } +} \ No newline at end of file diff --git a/jackson/src/main/java/org/baeldung/jackson/entities/MovieWithNullValue.java b/jackson/src/main/java/org/baeldung/jackson/entities/MovieWithNullValue.java new file mode 100644 index 0000000000..d04d37c947 --- /dev/null +++ b/jackson/src/main/java/org/baeldung/jackson/entities/MovieWithNullValue.java @@ -0,0 +1,47 @@ +package org.baeldung.jackson.entities; + +import java.util.List; + +import com.fasterxml.jackson.annotation.JsonIgnore; +import com.google.gson.annotations.Expose; + +public class MovieWithNullValue { + + private String imdbId; + + @JsonIgnore + private String director; + + private List actors; + + public MovieWithNullValue(String imdbID, String director, List actors) { + super(); + this.imdbId = imdbID; + this.director = director; + this.actors = actors; + } + + public String getImdbID() { + return imdbId; + } + + public void setImdbID(String imdbID) { + this.imdbId = imdbID; + } + + public String getDirector() { + return director; + } + + public void setDirector(String director) { + this.director = director; + } + + public List getActors() { + return actors; + } + + public void setActors(List actors) { + this.actors = actors; + } +} \ No newline at end of file diff --git a/jackson/src/main/java/org/baeldung/jackson/serialization/ActorJacksonSerializer.java b/jackson/src/main/java/org/baeldung/jackson/serialization/ActorJacksonSerializer.java new file mode 100644 index 0000000000..c33cf59482 --- /dev/null +++ b/jackson/src/main/java/org/baeldung/jackson/serialization/ActorJacksonSerializer.java @@ -0,0 +1,31 @@ +package org.baeldung.jackson.serialization; + +import java.io.IOException; +import java.text.SimpleDateFormat; +import java.util.stream.Collectors; + +import org.baeldung.jackson.entities.ActorJackson; + +import com.fasterxml.jackson.core.JsonGenerator; +import com.fasterxml.jackson.databind.SerializerProvider; +import com.fasterxml.jackson.databind.ser.std.StdSerializer; + +public class ActorJacksonSerializer extends StdSerializer { + + private SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy"); + + public ActorJacksonSerializer(Class t) { + super(t); + } + + @Override + public void serialize(ActorJackson actor, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException { + + jsonGenerator.writeStartObject(); + jsonGenerator.writeStringField("imdbId", actor.getImdbId()); + jsonGenerator.writeObjectField("dateOfBirth", actor.getDateOfBirth() != null ? sdf.format(actor.getDateOfBirth()) : null); + jsonGenerator.writeNumberField("N° Film: ", actor.getFilmography() != null ? actor.getFilmography().size() : null); + jsonGenerator.writeStringField("filmography", actor.getFilmography().stream().collect(Collectors.joining("-"))); + jsonGenerator.writeEndObject(); + } +} \ No newline at end of file diff --git a/jackson/src/test/java/org/baeldung/jackson/deserialization/JacksonDeserializeTest.java b/jackson/src/test/java/org/baeldung/jackson/deserialization/JacksonDeserializeTest.java new file mode 100644 index 0000000000..a21762d24a --- /dev/null +++ b/jackson/src/test/java/org/baeldung/jackson/deserialization/JacksonDeserializeTest.java @@ -0,0 +1,42 @@ +package org.baeldung.jackson.deserialization; + +import java.io.IOException; +import java.text.DateFormat; +import java.text.SimpleDateFormat; +import org.baeldung.jackson.entities.Movie; +import org.junit.Assert; +import org.junit.Test; + +import com.fasterxml.jackson.core.JsonParseException; +import com.fasterxml.jackson.databind.JsonMappingException; +import com.fasterxml.jackson.databind.ObjectMapper; + +public class JacksonDeserializeTest { + + @Test + public void whenSimpleDeserialize_thenCorrect() throws JsonParseException, JsonMappingException, IOException { + + String jsonInput = "{\"imdbId\":\"tt0472043\",\"actors\":[{\"imdbId\":\"nm2199632\",\"dateOfBirth\":\"1982-09-21T12:00:00+01:00\",\"filmography\":[\"Apocalypto\",\"Beatdown\",\"Wind Walkers\"]}]}"; + ObjectMapper mapper = new ObjectMapper(); + Movie movie = mapper.readValue(jsonInput, Movie.class); + + String expectedOutput = "Movie [imdbId=tt0472043, director=null, actors=[ActorJackson [imdbId=nm2199632, dateOfBirth=Tue Sep 21 04:00:00 PDT 1982, filmography=[Apocalypto, Beatdown, Wind Walkers]]]]"; + Assert.assertEquals(movie.toString(), expectedOutput); + } + + @Test + public void whenCustomDeserialize_thenCorrect() throws JsonParseException, JsonMappingException, IOException { + + String jsonInput = "{\"imdbId\":\"tt0472043\",\"director\":\"Mel Gibson\",\"actors\":[{\"imdbId\":\"nm2199632\",\"dateOfBirth\":\"1982-09-21T12:00:00+01:00\",\"filmography\":[\"Apocalypto\",\"Beatdown\",\"Wind Walkers\"]}]}"; + + ObjectMapper mapper = new ObjectMapper(); + final DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss"); + mapper.setDateFormat(df); + + Movie movie = mapper.readValue(jsonInput, Movie.class); + + String expectedOutput = "Movie [imdbId=tt0472043, director=Mel Gibson, actors=[ActorJackson [imdbId=nm2199632, dateOfBirth=Tue Sep 21 12:00:00 PDT 1982, filmography=[Apocalypto, Beatdown, Wind Walkers]]]]"; + Assert.assertEquals(movie.toString(), expectedOutput); + } + +} diff --git a/jackson/src/test/java/org/baeldung/jackson/serialization/JacksonSerializeTest.java b/jackson/src/test/java/org/baeldung/jackson/serialization/JacksonSerializeTest.java new file mode 100644 index 0000000000..6c8aa90fae --- /dev/null +++ b/jackson/src/test/java/org/baeldung/jackson/serialization/JacksonSerializeTest.java @@ -0,0 +1,60 @@ +package org.baeldung.jackson.serialization; + +import java.io.IOException; +import java.text.DateFormat; +import java.text.ParseException; +import java.text.SimpleDateFormat; +import java.util.Arrays; + +import org.baeldung.jackson.entities.ActorJackson; +import org.baeldung.jackson.entities.Movie; +import org.baeldung.jackson.entities.MovieWithNullValue; +import org.baeldung.jackson.serialization.ActorJacksonSerializer; +import org.junit.Assert; +import org.junit.Test; + +import com.fasterxml.jackson.core.JsonParseException; +import com.fasterxml.jackson.core.JsonProcessingException; +import com.fasterxml.jackson.core.util.DefaultPrettyPrinter; +import com.fasterxml.jackson.databind.JsonMappingException; +import com.fasterxml.jackson.databind.ObjectMapper; +import com.fasterxml.jackson.databind.SerializationFeature; +import com.fasterxml.jackson.databind.module.SimpleModule; + +public class JacksonSerializeTest { + + @Test + public void whenSimpleSerialize_thenCorrect() throws JsonProcessingException, ParseException { + + SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy"); + + ActorJackson rudyYoungblood = new ActorJackson("nm2199632", sdf.parse("21-09-1982"), Arrays.asList("Apocalypto", "Beatdown", "Wind Walkers")); + Movie movie = new Movie("tt0472043", "Mel Gibson", Arrays.asList(rudyYoungblood)); + + ObjectMapper mapper = new ObjectMapper(); + String jsonResult = mapper.writeValueAsString(movie); + + String expectedOutput = "{\"imdbId\":\"tt0472043\",\"director\":\"Mel Gibson\",\"actors\":[{\"imdbId\":\"nm2199632\",\"dateOfBirth\":401439600000,\"filmography\":[\"Apocalypto\",\"Beatdown\",\"Wind Walkers\"]}]}"; + Assert.assertEquals(jsonResult, expectedOutput); + } + + @Test + public void whenCustomSerialize_thenCorrect() throws ParseException, IOException { + + SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy"); + + ActorJackson rudyYoungblood = new ActorJackson("nm2199632", sdf.parse("21-09-1982"), Arrays.asList("Apocalypto", "Beatdown", "Wind Walkers")); + MovieWithNullValue movieWithNullValue = new MovieWithNullValue(null, "Mel Gibson", Arrays.asList(rudyYoungblood)); + + SimpleModule module = new SimpleModule(); + module.addSerializer(new ActorJacksonSerializer(ActorJackson.class)); + ObjectMapper mapper = new ObjectMapper(); + + String jsonResult = mapper.registerModule(module).writer(new DefaultPrettyPrinter()).writeValueAsString(movieWithNullValue); + + Object json = mapper.readValue("{\"actors\":[{\"imdbId\":\"nm2199632\",\"dateOfBirth\":\"21-09-1982\",\"N° Film: \":3,\"filmography\":\"Apocalypto-Beatdown-Wind Walkers\"}],\"imdbID\":null}", Object.class); + String expectedOutput = new ObjectMapper().enable(SerializationFeature.INDENT_OUTPUT).writeValueAsString(json); + + Assert.assertEquals(jsonResult, expectedOutput); + } +}