Merge branch 'master' of https://github.com/JonCook/tutorials

jackson/src/main/java/com/baeldung/jackson/deserialization/dynamicobject/Product.java

@@ -0,0 +1,39 @@
+package com.baeldung.jackson.deserialization.dynamicobject;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+
+public class Product {
+
+    private String name;
+    private String category;
+    private Map<String, Object> details = new LinkedHashMap<>();
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getCategory() {
+        return category;
+    }
+
+    public void setCategory(String category) {
+        this.category = category;
+    }
+
+    public Map<String, Object> getDetails() {
+        return details;
+    }
+
+    @JsonAnySetter
+    public void setDetail(String key, Object value) {
+        details.put(key, value);
+    }
+
+}

jackson/src/main/java/com/baeldung/jackson/deserialization/dynamicobject/ProductJsonNode.java

@@ -0,0 +1,35 @@
+package com.baeldung.jackson.deserialization.dynamicobject;
+
+import com.fasterxml.jackson.databind.JsonNode;
+
+public class ProductJsonNode {
+
+    private String name;
+    private String category;
+    private JsonNode details;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getCategory() {
+        return category;
+    }
+
+    public void setCategory(String category) {
+        this.category = category;
+    }
+
+    public JsonNode getDetails() {
+        return details;
+    }
+
+    public void setDetails(JsonNode details) {
+        this.details = details;
+    }
+
+}

jackson/src/main/java/com/baeldung/jackson/deserialization/dynamicobject/ProductMap.java

@@ -0,0 +1,35 @@
+package com.baeldung.jackson.deserialization.dynamicobject;
+
+import java.util.Map;
+
+public class ProductMap {
+
+    private String name;
+    private String category;
+    private Map<String, Object> details;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getCategory() {
+        return category;
+    }
+
+    public void setCategory(String category) {
+        this.category = category;
+    }
+
+    public Map<String, Object> getDetails() {
+        return details;
+    }
+
+    public void setDetails(Map<String, Object> details) {
+        this.details = details;
+    }
+
+}

jackson/src/main/java/com/baeldung/jackson/deserialization/enums/City.java

@@ -0,0 +1,15 @@
+package com.baeldung.jackson.deserialization.enums;
+
+public class City {
+
+    private Distance distance;
+
+    public Distance getDistance() {
+        return distance;
+    }
+
+    public void setDistance(Distance distance) {
+        this.distance = distance;
+    }
+    
+}

jackson/src/main/java/com/baeldung/jackson/deserialization/enums/Distance.java

@@ -0,0 +1,31 @@
+package com.baeldung.jackson.deserialization.enums;
+
+public enum Distance {
+
+    KILOMETER("km", 1000), MILE("miles", 1609.34), METER("meters", 1), INCH("inches", 0.0254), CENTIMETER("cm", 0.01), MILLIMETER("mm", 0.001);
+
+    private String unit;
+    private double meters;
+
+    private Distance(String unit, double meters) {
+        this.unit = unit;
+        this.meters = meters;
+    }
+
+    public void setMeters(double meters) {
+        this.meters = meters;
+    }
+    
+    public double getMeters() {
+        return meters;
+    }
+
+    public String getUnit() {
+        return unit;
+    }
+
+    public void setUnit(String unit) {
+        this.unit = unit;
+    }
+}
+

jackson/src/main/java/com/baeldung/jackson/deserialization/enums/customdeserializer/City.java

@@ -0,0 +1,15 @@
+package com.baeldung.jackson.deserialization.enums.customdeserializer;
+
+public class City {
+
+    private Distance distance;
+
+    public Distance getDistance() {
+        return distance;
+    }
+
+    public void setDistance(Distance distance) {
+        this.distance = distance;
+    }
+    
+}

jackson/src/main/java/com/baeldung/jackson/deserialization/enums/customdeserializer/CustomEnumDeserializer.java

@@ -0,0 +1,42 @@
+package com.baeldung.jackson.deserialization.enums.customdeserializer;
+
+import java.io.IOException;
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
+
+public class CustomEnumDeserializer extends StdDeserializer<Distance> {
+
+    private static final long serialVersionUID = -1166032307856492833L;
+
+    public CustomEnumDeserializer() {
+        this(null);
+    }
+
+    public CustomEnumDeserializer(Class<?> c) {
+        super(c);
+    }
+
+    @Override
+    public Distance deserialize(JsonParser jsonParser, DeserializationContext ctxt) throws IOException, JsonProcessingException {
+
+        JsonNode node = jsonParser.getCodec().readTree(jsonParser);
+
+        String unit = node.get("unit").asText();
+        double meters = node.get("meters").asDouble();
+
+        for (Distance distance : Distance.values()) {
+           
+            if (distance.getUnit().equals(unit) && 
+                Double.compare(distance.getMeters(), meters) == 0) {
+                
+                return distance;
+            }
+        }
+
+        return null;
+    }
+
+}

jackson/src/main/java/com/baeldung/jackson/deserialization/enums/customdeserializer/Distance.java

@@ -0,0 +1,33 @@
+package com.baeldung.jackson.deserialization.enums.customdeserializer;
+
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+
+@JsonDeserialize(using = CustomEnumDeserializer.class)
+public enum Distance {
+
+    KILOMETER("km", 1000), MILE("miles", 1609.34), METER("meters", 1), INCH("inches", 0.0254), CENTIMETER("cm", 0.01), MILLIMETER("mm", 0.001);
+
+    private String unit;
+    private double meters;
+
+    private Distance(String unit, double meters) {
+        this.unit = unit;
+        this.meters = meters;
+    }
+
+    public double getMeters() {
+        return meters;
+    }
+
+    public void setMeters(double meters) {
+        this.meters = meters;
+    }
+    
+    public String getUnit() {
+        return unit;
+    }
+
+    public void setUnit(String unit) {
+        this.unit = unit;
+    }
+}

jackson/src/main/java/com/baeldung/jackson/deserialization/enums/jsoncreator/City.java

@@ -0,0 +1,15 @@
+package com.baeldung.jackson.deserialization.enums.jsoncreator;
+
+public class City {
+
+    private Distance distance;
+
+    public Distance getDistance() {
+        return distance;
+    }
+
+    public void setDistance(Distance distance) {
+        this.distance = distance;
+    }
+    
+}

jackson/src/main/java/com/baeldung/jackson/deserialization/enums/jsoncreator/Distance.java

@@ -0,0 +1,48 @@
+package com.baeldung.jackson.deserialization.enums.jsoncreator;
+
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public enum Distance {
+
+    KILOMETER("km", 1000), MILE("miles", 1609.34), METER("meters", 1), INCH("inches", 0.0254), CENTIMETER("cm", 0.01), MILLIMETER("mm", 0.001);
+
+    private String unit;
+    private double meters;
+
+    private Distance(String unit, double meters) {
+        this.unit = unit;
+        this.meters = meters;
+    }
+
+    public void setMeters(double meters) {
+        this.meters = meters;
+    }
+    
+    public double getMeters() {
+        return meters;
+    }
+
+    public String getUnit() {
+        return unit;
+    }
+
+    public void setUnit(String unit) {
+        this.unit = unit;
+    }
+
+    @JsonCreator
+    public static Distance forValues(@JsonProperty("unit") String unit, @JsonProperty("meters") double meters) {
+
+        for (Distance distance : Distance.values()) {
+            if (distance.unit.equals(unit) && Double.compare(distance.meters, meters) == 0) {
+
+                return distance;
+            }
+        }
+
+        return null;
+
+    }
+}
+

jackson/src/main/java/com/baeldung/jackson/deserialization/enums/jsonproperty/City.java

@@ -0,0 +1,15 @@
+package com.baeldung.jackson.deserialization.enums.jsonproperty;
+
+public class City {
+    
+    private Distance distance;
+
+    public Distance getDistance() {
+        return distance;
+    }
+
+    public void setDistance(Distance distance) {
+        this.distance = distance;
+    }
+    
+}

jackson/src/main/java/com/baeldung/jackson/deserialization/enums/jsonproperty/Distance.java

@@ -0,0 +1,51 @@
+package com.baeldung.jackson.deserialization.enums.jsonproperty;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public enum Distance {
+
+    @JsonProperty("distance-in-km")
+    KILOMETER("km", 1000), 
+    
+    @JsonProperty("distance-in-miles")
+    MILE("miles", 1609.34),
+    
+    @JsonProperty("distance-in-meters")
+    METER("meters", 1), 
+    
+    @JsonProperty("distance-in-inches")
+    INCH("inches", 0.0254), 
+    
+    @JsonProperty("distance-in-cm")
+    CENTIMETER("cm", 0.01), 
+    
+    @JsonProperty("distance-in-mm")
+    MILLIMETER("mm", 0.001);
+
+    private String unit;
+    private double meters;
+
+    private Distance(String unit, double meters) {
+        this.unit = unit;
+        this.meters = meters;
+    }
+
+    public void setMeters(double meters) {
+        this.meters = meters;
+    }
+    
+    public double getMeters() {
+        return meters;
+    }
+
+    public String getUnit() {
+        return unit;
+    }
+
+    public void setUnit(String unit) {
+        this.unit = unit;
+    }
+
+}
+
+

jackson/src/main/java/com/baeldung/jackson/deserialization/enums/jsonvalue/City.java

@@ -0,0 +1,15 @@
+package com.baeldung.jackson.deserialization.enums.jsonvalue;
+
+public class City {
+    
+    private Distance distance;
+
+    public Distance getDistance() {
+        return distance;
+    }
+
+    public void setDistance(Distance distance) {
+        this.distance = distance;
+    }
+    
+}

jackson/src/main/java/com/baeldung/jackson/deserialization/enums/jsonvalue/Distance.java

@@ -0,0 +1,35 @@
+package com.baeldung.jackson.deserialization.enums.jsonvalue;
+
+import com.fasterxml.jackson.annotation.JsonValue;
+
+public enum Distance {
+
+    KILOMETER("km", 1000), MILE("miles", 1609.34), METER("meters", 1), INCH("inches", 0.0254), CENTIMETER("cm", 0.01), MILLIMETER("mm", 0.001);
+
+    private String unit;
+    private double meters;
+
+    private Distance(String unit, double meters) {
+        this.unit = unit;
+        this.meters = meters;
+    }
+
+    public void setMeters(double meters) {
+        this.meters = meters;
+    }
+    
+    @JsonValue
+    public double getMeters() {
+        return meters;
+    }
+
+    public String getUnit() {
+        return unit;
+    }
+
+    public void setUnit(String unit) {
+        this.unit = unit;
+    }
+
+}
+

jackson/src/main/java/com/baeldung/jackson/deserialization/immutable/Employee.java

@@ -0,0 +1,24 @@
+package com.baeldung.jackson.deserialization.immutable;
+
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public class Employee {
+
+    private final long id;
+    private final String name;
+
+    @JsonCreator(mode = JsonCreator.Mode.PROPERTIES)
+    public Employee(@JsonProperty("id") long id, @JsonProperty("name") String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public String getName() {
+        return name;
+    }
+}

jackson/src/main/java/com/baeldung/jackson/deserialization/immutable/Person.java

@@ -0,0 +1,44 @@
+package com.baeldung.jackson.deserialization.immutable;
+
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+import com.fasterxml.jackson.databind.annotation.JsonPOJOBuilder;
+
+@JsonDeserialize(builder = Person.Builder.class)
+public class Person {
+
+    private final String name;
+    private final Integer age;
+
+    private Person(String name, Integer age) {
+        this.name = name;
+        this.age = age;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public Integer getAge() {
+        return age;
+    }
+
+    @JsonPOJOBuilder
+    static class Builder {
+        String name;
+        Integer age;
+
+        Builder withName(String name) {
+            this.name = name;
+            return this;
+        }
+
+        Builder withAge(Integer age) {
+            this.age = age;
+            return this;
+        }
+
+        Person build() {
+            return new Person(name, age);
+        }
+    }
+}

jackson/src/main/java/com/baeldung/jackson/deserialization/jacksoninject/Person.java

@@ -0,0 +1,43 @@
+package com.baeldung.jackson.deserialization.jacksoninject;
+
+import com.fasterxml.jackson.annotation.JacksonInject;
+
+import java.util.UUID;
+
+public class Person {
+
+    @JacksonInject
+    private UUID id;
+    private String firstName;
+    private String lastName;
+
+    public Person() {
+
+    }
+
+    public Person(String firstName, String lastName) {
+        this.id = UUID.randomUUID();
+        this.firstName = firstName;
+        this.lastName = lastName;
+    }
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+
+    public UUID getId() {
+        return id;
+    }
+}

jackson/src/main/java/com/baeldung/jackson/deserialization/jsonanysetter/Inventory.java

@@ -0,0 +1,20 @@
+package com.baeldung.jackson.deserialization.jsonanysetter;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+
+public class Inventory {
+
+    private Map<String, Float> countryDeliveryCost = new HashMap<>();
+
+    public Map<String, Float> getCountryDeliveryCost() {
+        return countryDeliveryCost;
+    }
+
+    @JsonAnySetter
+    public void addCountryDeliveryCost(String country, Float cost) {
+        countryDeliveryCost.put(country, cost);
+    }
+}

jackson/src/main/java/com/baeldung/jackson/deserialization/jsondeserialize/Book.java

@@ -0,0 +1,75 @@
+package com.baeldung.jackson.deserialization.jsondeserialize;
+
+import java.math.BigDecimal;
+import java.util.Date;
+import java.util.UUID;
+
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+
+public class Book {
+
+    private UUID id;
+    private String title;
+    private float price;
+    private String ISBN;
+
+    @JsonDeserialize(using = CustomDateDeserializer.class)
+    private Date published;
+    private BigDecimal pages;
+
+    public Book() {
+    }
+
+    public Book(String title) {
+        this.id = UUID.randomUUID();
+        this.title = title;
+    }
+
+    public String getISBN() {
+        return ISBN;
+    }
+
+    public void setISBN(String ISBN) {
+        this.ISBN = ISBN;
+    }
+
+    public Date getPublished() {
+        return published;
+    }
+
+    public void setPublished(Date published) {
+        this.published = published;
+    }
+
+    public BigDecimal getPages() {
+        return pages;
+    }
+
+    public void setPages(BigDecimal pages) {
+        this.pages = pages;
+    }
+    
+    public UUID getId() {
+        return id;
+    }
+
+    public void setId(UUID id) {
+        this.id = id;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public float getPrice() {
+        return price;
+    }
+
+    public void setPrice(float price) {
+        this.price = price;
+    }
+}

jackson/src/main/java/com/baeldung/jackson/deserialization/jsondeserialize/CustomDateDeserializer.java

@@ -0,0 +1,33 @@
+package com.baeldung.jackson.deserialization.jsondeserialize;
+
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
+
+import java.io.IOException;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+public class CustomDateDeserializer extends StdDeserializer<Date> {
+
+    private static SimpleDateFormat formatter = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss");
+
+    public CustomDateDeserializer() {
+        this(null);
+    }
+
+    public CustomDateDeserializer(Class<?> vc) {
+        super(vc);
+    }
+
+    @Override
+    public Date deserialize(JsonParser jsonparser, DeserializationContext context) throws IOException {
+        String date = jsonparser.getText();
+        try {
+            return formatter.parse(date);
+        } catch (ParseException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}

jackson/src/main/java/com/baeldung/jackson/domain/Person.java

@@ -0,0 +1,30 @@
+package com.baeldung.jackson.domain;
+
+public class Person {
+
+    private String firstName;
+    private String lastName;
+    
+    public Person(String firstName, String lastName) {
+        super();
+        this.firstName = firstName;
+        this.lastName = lastName;
+    }
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+}
+

jackson/src/main/java/com/baeldung/jackson/entities/ActorJackson.java

@@ -0,0 +1,61 @@
+package com.baeldung.jackson.entities;
+
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.List;
+import java.util.Locale;
+import java.util.TimeZone;
+
+public class ActorJackson {
+
+    private String imdbId;
+    private Date dateOfBirth;
+    private List<String> filmography;
+
+    public ActorJackson() {
+        super();
+    }
+
+    public ActorJackson(String imdbId, Date dateOfBirth, List<String> filmography) {
+        super();
+        this.imdbId = imdbId;
+        this.dateOfBirth = dateOfBirth;
+        this.filmography = filmography;
+    }
+
+    @Override
+    public String toString() {
+        return "ActorJackson [imdbId=" + imdbId + ", dateOfBirth=" + formatDateOfBirth() + ", filmography=" + 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<String> getFilmography() {
+        return filmography;
+    }
+
+    public void setFilmography(List<String> filmography) {
+        this.filmography = filmography;
+    }
+
+    private String formatDateOfBirth() {
+        final DateFormat formatter = new SimpleDateFormat("EEE MMM dd hh:mm:ss zzz yyyy", Locale.US);
+        formatter.setTimeZone(TimeZone.getTimeZone("GMT"));
+        return formatter.format(dateOfBirth);
+    }
+}

jackson/src/main/java/com/baeldung/jackson/entities/ClassWithAMap.java

@@ -0,0 +1,24 @@
+package com.baeldung.jackson.entities;
+
+import java.util.Map;
+
+import com.baeldung.jackson.serialization.MyPairDeserializer;
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+
+public class ClassWithAMap {
+
+    @JsonProperty("map")
+    @JsonDeserialize(keyUsing = MyPairDeserializer.class)
+    private final Map<MyPair, String> map;
+
+    @JsonCreator
+    public ClassWithAMap(Map<MyPair, String> map) {
+        this.map = map;
+    }
+
+    public Map<MyPair, String> getMap() {
+        return map;
+    }
+}

jackson/src/main/java/com/baeldung/jackson/entities/Movie.java

@@ -0,0 +1,50 @@
+package com.baeldung.jackson.entities;
+
+import java.util.List;
+
+public class Movie {
+
+    private String imdbId;
+    private String director;
+    private List<ActorJackson> actors;
+
+    public Movie(String imdbId, String director, List<ActorJackson> 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<ActorJackson> getActors() {
+        return actors;
+    }
+
+    public void setActors(List<ActorJackson> actors) {
+        this.actors = actors;
+    }
+}

jackson/src/main/java/com/baeldung/jackson/entities/MovieWithNullValue.java

@@ -0,0 +1,46 @@
+package com.baeldung.jackson.entities;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+
+import java.util.List;
+
+public class MovieWithNullValue {
+
+    private String imdbId;
+
+    @JsonIgnore
+    private String director;
+
+    private List<ActorJackson> actors;
+
+    public MovieWithNullValue(String imdbID, String director, List<ActorJackson> 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<ActorJackson> getActors() {
+        return actors;
+    }
+
+    public void setActors(List<ActorJackson> actors) {
+        this.actors = actors;
+    }
+}

jackson/src/main/java/com/baeldung/jackson/entities/MyPair.java

@@ -0,0 +1,80 @@
+package com.baeldung.jackson.entities;
+
+import com.fasterxml.jackson.annotation.JsonValue;
+
+public class MyPair {
+
+    private String first;
+    private String second;
+
+    public MyPair(String first, String second) {
+        this.first = first;
+        this.second = second;
+    }
+
+    public MyPair(String both) {
+        String[] pairs = both.split("and");
+        this.first = pairs[0].trim();
+        this.second = pairs[1].trim();
+    }
+
+    @Override
+    @JsonValue
+    public String toString() {
+        return first + " and " + second;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((first == null) ? 0 : first.hashCode());
+        result = prime * result + ((second == null) ? 0 : second.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (!(obj instanceof MyPair)) {
+            return false;
+        }
+        MyPair other = (MyPair) obj;
+        if (first == null) {
+            if (other.first != null) {
+                return false;
+            }
+        } else if (!first.equals(other.first)) {
+            return false;
+        }
+        if (second == null) {
+            if (other.second != null) {
+                return false;
+            }
+        } else if (!second.equals(other.second)) {
+            return false;
+        }
+        return true;
+    }
+
+    public String getFirst() {
+        return first;
+    }
+
+    public void setFirst(String first) {
+        this.first = first;
+    }
+
+    public String getSecond() {
+        return second;
+    }
+
+    public void setSecond(String second) {
+        this.second = second;
+    }
+}

jackson/src/main/java/com/baeldung/jackson/enums/Distance.java

@@ -0,0 +1,54 @@
+package com.baeldung.jackson.enums;
+
+import com.baeldung.jackson.serialization.DistanceSerializer;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+
+/**
+ * Use  @JsonFormat to handle representation of Enum as JSON (available since Jackson 2.1.2)
+ * Use @JsonSerialize to configure a custom Jackson serializer
+ */
+// @JsonFormat(shape = JsonFormat.Shape.OBJECT)
+@JsonSerialize(using = DistanceSerializer.class)
+public enum Distance {
+    KILOMETER("km", 1000), MILE("miles", 1609.34), METER("meters", 1), INCH("inches", 0.0254), CENTIMETER("cm", 0.01), MILLIMETER("mm", 0.001);
+
+    private String unit;
+    private final double meters;
+
+    private Distance(String unit, double meters) {
+        this.unit = unit;
+        this.meters = meters;
+    }
+
+    /**
+     * Use @JsonValue to control marshalling output for an enum
+     */
+    // @JsonValue
+    public double getMeters() {
+        return meters;
+    }
+
+    public String getUnit() {
+        return unit;
+    }
+
+    public void setUnit(String unit) {
+        this.unit = unit;
+    }
+
+    /**
+     * Usage example: Distance.MILE.convertFromMeters(1205.5);
+     */
+    public double convertFromMeters(double distanceInMeters) {
+        return distanceInMeters / meters;
+
+    }
+
+    /**
+     * Usage example: Distance.MILE.convertToMeters(0.5);
+     */
+    public double convertToMeters(double distanceInMeters) {
+        return distanceInMeters * meters;
+    }
+
+}

jackson/src/main/java/com/baeldung/jackson/format/User.java

@@ -0,0 +1,37 @@
+package com.baeldung.jackson.format;
+
+import java.util.Date;
+
+import com.baeldung.jackson.domain.Person;
+import com.fasterxml.jackson.annotation.JsonFormat;
+
+/**
+ * @author Jay Sridhar
+ * @version 1.0
+ */
+public class User extends Person {
+    private String firstName;
+    private String lastName;
+
+    @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd@HH:mm:ss.SSSZ")
+    private Date createdDate;
+
+    public User(String firstName, String lastName) {
+        super(firstName, lastName);
+        this.createdDate = new Date();
+    }
+
+    public Date getCreatedDate() {
+        return createdDate;
+    }
+
+    @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd@HH:mm:ss.SSSZ", locale = "en_GB")
+    public Date getCurrentDate() {
+        return new Date();
+    }
+
+    @JsonFormat(shape = JsonFormat.Shape.NUMBER)
+    public Date getDateNum() {
+        return new Date();
+    }
+}

jackson/src/main/java/com/baeldung/jackson/inheritance/Event.java

@@ -0,0 +1,25 @@
+package com.baeldung.jackson.inheritance;
+
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonTypeInfo;
+
+@JsonTypeInfo(use = JsonTypeInfo.Id.MINIMAL_CLASS, include = JsonTypeInfo.As.PROPERTY, property = "eventType")
+abstract public class Event {
+    private final String id;
+    private final Long timestamp;
+
+    @JsonCreator
+    public Event(@JsonProperty("id") String id, @JsonProperty("timestamp") Long timestamp) {
+        this.id = id;
+        this.timestamp = timestamp;
+    }
+
+    public Long getTimestamp() {
+        return timestamp;
+    }
+
+    public String getId() {
+        return id;
+    }
+}

jackson/src/main/java/com/baeldung/jackson/inheritance/ItemIdAddedToUser.java

@@ -0,0 +1,28 @@
+package com.baeldung.jackson.inheritance;
+
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonTypeName;
+
+@JsonTypeName("itemIdAddedToUser")
+@JsonIgnoreProperties("id")
+public class ItemIdAddedToUser extends Event {
+    private final String itemId;
+    private final Long quantity;
+
+    @JsonCreator
+    public ItemIdAddedToUser(@JsonProperty("id") String id, @JsonProperty("timestamp") Long timestamp, @JsonProperty("itemId") String itemId, @JsonProperty("quantity") Long quantity) {
+        super(id, timestamp);
+        this.itemId = itemId;
+        this.quantity = quantity;
+    }
+
+    public String getItemId() {
+        return itemId;
+    }
+
+    public Long getQuantity() {
+        return quantity;
+    }
+}

jackson/src/main/java/com/baeldung/jackson/inheritance/ItemIdRemovedFromUser.java

@@ -0,0 +1,26 @@
+package com.baeldung.jackson.inheritance;
+
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonTypeName;
+
+@JsonTypeName("itemIdRemovedFromUser")
+public class ItemIdRemovedFromUser extends Event {
+    private final String itemId;
+    private final Long quantity;
+
+    @JsonCreator
+    public ItemIdRemovedFromUser(@JsonProperty("id") String id, @JsonProperty("timestamp") Long timestamp, @JsonProperty("itemId") String itemId, @JsonProperty("quantity") Long quantity) {
+        super(id, timestamp);
+        this.itemId = itemId;
+        this.quantity = quantity;
+    }
+
+    public String getItemId() {
+        return itemId;
+    }
+
+    public Long getQuantity() {
+        return quantity;
+    }
+}

jackson/src/main/java/com/baeldung/jackson/miscellaneous/mixin/Book.java

@@ -0,0 +1,25 @@
+package com.baeldung.jackson.miscellaneous.mixin;
+
+import java.util.Optional;
+
+public class Book {
+
+    private String title;
+    private Optional<String> subTitle;
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public Optional<String> getSubTitle() {
+        return subTitle;
+    }
+
+    public void setSubTitle(Optional<String> subTitle) {
+        this.subTitle = subTitle;
+    }
+}

jackson/src/main/java/com/baeldung/jackson/serialization/ActorJacksonSerializer.java

@@ -0,0 +1,34 @@
+package com.baeldung.jackson.serialization;
+
+import java.io.IOException;
+import java.text.SimpleDateFormat;
+import java.util.stream.Collectors;
+
+import com.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<ActorJackson> {
+
+    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();
+    }
+}

jackson/src/main/java/com/baeldung/jackson/serialization/DistanceSerializer.java

@@ -0,0 +1,33 @@
+package com.baeldung.jackson.serialization;
+
+import java.io.IOException;
+
+import com.baeldung.jackson.enums.Distance;
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.SerializerProvider;
+import com.fasterxml.jackson.databind.ser.std.StdSerializer;
+
+public class DistanceSerializer extends StdSerializer<Distance> {
+
+    private static final long serialVersionUID = 1376504304439963619L;
+
+    public DistanceSerializer() {
+        super(Distance.class);
+    }
+
+    public DistanceSerializer(Class<Distance> t) {
+        super(t);
+    }
+
+    public void serialize(Distance distance, JsonGenerator generator, SerializerProvider provider) throws IOException, JsonProcessingException {
+        generator.writeStartObject();
+        generator.writeFieldName("name");
+        generator.writeString(distance.name());
+        generator.writeFieldName("unit");
+        generator.writeString(distance.getUnit());
+        generator.writeFieldName("meters");
+        generator.writeNumber(distance.getMeters());
+        generator.writeEndObject();
+    }
+}

jackson/src/main/java/com/baeldung/jackson/serialization/MyPairDeserializer.java

@@ -0,0 +1,17 @@
+package com.baeldung.jackson.serialization;
+
+import java.io.IOException;
+
+import com.baeldung.jackson.entities.MyPair;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.KeyDeserializer;
+
+public class MyPairDeserializer extends KeyDeserializer {
+
+    @Override
+    public MyPair deserializeKey(String key, DeserializationContext ctxt) throws IOException, JsonProcessingException {
+
+        return new MyPair(key);
+    }
+}

jackson/src/main/java/com/baeldung/jackson/serialization/MyPairSerializer.java

@@ -0,0 +1,23 @@
+package com.baeldung.jackson.serialization;
+
+import java.io.IOException;
+import java.io.StringWriter;
+
+import com.baeldung.jackson.entities.MyPair;
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.JsonSerializer;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.SerializerProvider;
+
+public class MyPairSerializer extends JsonSerializer<MyPair> {
+
+    private final ObjectMapper mapper = new ObjectMapper();
+
+    @Override
+    public void serialize(MyPair value, JsonGenerator gen, SerializerProvider serializers) throws IOException, JsonProcessingException {
+        StringWriter writer = new StringWriter();
+        mapper.writeValue(writer, value);
+        gen.writeFieldName(writer.toString());
+    }
+}

jackson/src/main/java/com/baeldung/jackson/xmlToJson/Color.java

@@ -0,0 +1,5 @@
+package com.baeldung.jackson.xmlToJson;
+
+public enum Color {
+    PINK, BLUE, YELLOW, RED;
+}

jackson/src/main/java/com/baeldung/jackson/xmlToJson/Flower.java

@@ -0,0 +1,42 @@
+package com.baeldung.jackson.xmlToJson;
+
+public class Flower {
+
+    private String name;
+
+    private Color color;
+
+    private Integer petals;
+
+    public Flower() { }
+
+    public Flower(String name, Color color, Integer petals) {
+        this.name = name;
+        this.color = color;
+        this.petals = petals;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Color getColor() {
+        return color;
+    }
+
+    public void setColor(Color color) {
+        this.color = color;
+    }
+
+    public Integer getPetals() {
+        return petals;
+    }
+
+    public void setPetals(Integer petals) {
+        this.petals = petals;
+    }
+}

jackson/src/main/resources/example1.json

@@ -0,0 +1,12 @@
+{
+    "collection": [
+        {
+            "name": "Test order1",
+            "detail": "ahk ks"
+        },
+        {
+            "name": "Test order2",
+            "detail": "Fisteku"
+        }
+    ]
+}

jackson/src/main/resources/example2.json

@@ -0,0 +1,10 @@
+[
+    {
+        "name": "Test order1",
+        "detail": "ahk ks"
+    },
+    {
+        "name": "Test order2",
+        "detail": "Fisteku"
+    }
+]

jackson/src/main/resources/logback.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <logger name="org.springframework" level="WARN" />
+    <logger name="org.springframework.transaction" level="WARN" />
+
+    <!-- in order to debug some marshalling issues, this needs to be TRACE -->
+    <logger name="org.springframework.web.servlet.mvc" level="WARN" />
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>