[BAEL-19675] - Move articles out of jackson part 2

jackson-2/README.md

@@ -6,10 +6,7 @@ This module contains articles about Jackson.
 The "REST With Spring" Classes: http://bit.ly/restwithspring
 
 ### Relevant Articles: 
-- [Mapping Multiple JSON Fields to a Single Java Field](https://www.baeldung.com/json-multiple-fields-single-java-field)
-- [How to Process YAML with Jackson](https://www.baeldung.com/jackson-yaml)
 - [Working with Tree Model Nodes in Jackson](https://www.baeldung.com/jackson-json-node-tree-model)
-- [Converting JSON to CSV in Java](https://www.baeldung.com/java-converting-json-to-csv)
 - [Compare Two JSON Objects with Jackson](https://www.baeldung.com/jackson-compare-two-json-objects)
 - [Calling Default Serializer from Custom Serializer in Jackson](https://www.baeldung.com/jackson-call-default-serializer-from-custom-serializer)
 - More articles: [[<-- prev]](/../jackson)

jackson-2/pom.xml

@@ -14,20 +14,6 @@
 
     <dependencies>
 
-        <!-- YAML -->
-        <dependency>
-            <groupId>com.fasterxml.jackson.dataformat</groupId>
-            <artifactId>jackson-dataformat-yaml</artifactId>
-            <version>${jackson.version}</version>
-        </dependency>
-
-        <!-- CSV -->
-        <dependency>
-            <groupId>com.fasterxml.jackson.dataformat</groupId>
-            <artifactId>jackson-dataformat-csv</artifactId>
-            <version>${jackson.version}</version>
-        </dependency>        
-
         <!-- Allow use of LocalDate -->
         <dependency>
             <groupId>com.fasterxml.jackson.datatype</groupId>

jackson-annotations/src/test/java/com/baeldung/jackson/ignore/JacksonSerializationIgnoreUnitTest.java

@@ -18,7 +18,6 @@
 import com.baeldung.jackson.ignore.dtos.MyDtoIgnoreField;
 import com.baeldung.jackson.ignore.dtos.MyDtoIgnoreFieldByName;
 import com.baeldung.jackson.ignore.dtos.MyDtoIgnoreNull;
-import com.baeldung.jackson.ignore.dtos.MyDtoNullKeySerializer;
 import com.fasterxml.jackson.annotation.JsonInclude.Include;
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.core.JsonParseException;
@@ -191,88 +190,4 @@ public final void givenNullsIgnoredGlobally_whenWritingObjectWithNullField_thenI
         System.out.println(dtoAsString);
     }
 
-    // map
-
-    @Test
-    public final void givenIgnoringMapNullValue_whenWritingMapObjectWithNullValue_thenIgnored() throws JsonProcessingException {
-        final ObjectMapper mapper = new ObjectMapper();
-        // mapper.configure(SerializationFeature.WRITE_NULL_MAP_VALUES, false);
-        mapper.setSerializationInclusion(Include.NON_NULL);
-
-        final MyDto dtoObject1 = new MyDto();
-
-        final Map<String, MyDto> dtoMap = new HashMap<String, MyDto>();
-        dtoMap.put("dtoObject1", dtoObject1);
-        dtoMap.put("dtoObject2", null);
-
-        final String dtoMapAsString = mapper.writeValueAsString(dtoMap);
-
-        assertThat(dtoMapAsString, containsString("dtoObject1"));
-        assertThat(dtoMapAsString, not(containsString("dtoObject2")));
-        System.out.println(dtoMapAsString);
-    }
-
-    @Test
-    public final void givenIgnoringMapValueObjectWithNullField_whenWritingMapValueObjectWithNullField_thenIgnored() throws JsonProcessingException {
-        final ObjectMapper mapper = new ObjectMapper();
-        mapper.setSerializationInclusion(Include.NON_NULL);
-
-        final MyDto dtoObject = new MyDto();
-
-        final Map<String, MyDto> dtoMap = new HashMap<String, MyDto>();
-        dtoMap.put("dtoObject", dtoObject);
-
-        final String dtoMapAsString = mapper.writeValueAsString(dtoMap);
-
-        assertThat(dtoMapAsString, containsString("dtoObject"));
-        assertThat(dtoMapAsString, not(containsString("stringValue")));
-        System.out.println(dtoMapAsString);
-    }
-
-    @Test
-    public final void givenAllowingMapObjectWithNullKey_whenWriting_thenCorrect() throws JsonProcessingException {
-        final ObjectMapper mapper = new ObjectMapper();
-        mapper.getSerializerProvider()
-            .setNullKeySerializer(new MyDtoNullKeySerializer());
-
-        final MyDto dtoObject1 = new MyDto();
-        dtoObject1.setStringValue("dtoObjectString1");
-        final MyDto dtoObject2 = new MyDto();
-        dtoObject2.setStringValue("dtoObjectString2");
-
-        final Map<String, MyDto> dtoMap = new HashMap<String, MyDto>();
-        dtoMap.put(null, dtoObject1);
-        dtoMap.put("obj2", dtoObject2);
-
-        final String dtoMapAsString = mapper.writeValueAsString(dtoMap);
-
-        System.out.println(dtoMapAsString);
-        assertThat(dtoMapAsString, containsString("\"\""));
-        assertThat(dtoMapAsString, containsString("dtoObjectString1"));
-        assertThat(dtoMapAsString, containsString("obj2"));
-    }
-
-    @Test
-    public final void givenAllowingMapObjectOneNullKey_whenWritingMapObjectWithTwoNullKeys_thenOverride() throws JsonProcessingException {
-        final ObjectMapper mapper = new ObjectMapper();
-        mapper.getSerializerProvider()
-            .setNullKeySerializer(new MyDtoNullKeySerializer());
-
-        final MyDto dtoObject1 = new MyDto();
-        dtoObject1.setStringValue("dtoObject1String");
-
-        final MyDto dtoObject2 = new MyDto();
-        dtoObject2.setStringValue("dtoObject2String");
-
-        final Map<String, MyDto> dtoMap = new HashMap<String, MyDto>();
-        dtoMap.put(null, dtoObject1);
-        dtoMap.put(null, dtoObject2);
-
-        final String dtoMapAsString = mapper.writeValueAsString(dtoMap);
-
-        assertThat(dtoMapAsString, not(containsString("dtoObject1String")));
-        assertThat(dtoMapAsString, containsString("dtoObject2String"));
-        System.out.println(dtoMapAsString);
-    }
-
 }

jackson-conversions-2/README.md

@@ -0,0 +1,14 @@
+## Jackson Conversions
+
+This module contains articles about Jackson conversions.
+
+### Relevant Articles:
+- [Mapping a Dynamic JSON Object with Jackson](https://www.baeldung.com/jackson-mapping-dynamic-object)
+- [Jackson Unmarshalling JSON with Unknown Properties](https://www.baeldung.com/jackson-deserialize-json-unknown-properties)
+- [Ignore Null Fields with Jackson](https://www.baeldung.com/jackson-ignore-null-fields)
+- [Mapping Multiple JSON Fields to a Single Java Field](https://www.baeldung.com/json-multiple-fields-single-java-field)
+- [Convert XML to JSON Using Jackson](https://www.baeldung.com/jackson-convert-xml-json)
+- [Converting JSON to CSV in Java](https://www.baeldung.com/java-converting-json-to-csv)
+- [How to Process YAML with Jackson](https://www.baeldung.com/jackson-yaml)
+- [Jackson Streaming API](https://www.baeldung.com/jackson-streaming-api)
+- More articles: [[<-- prev]](../jackson-conversions)

jackson-conversions-2/pom.xml

@@ -0,0 +1,67 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>jackson-conversions-2</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>jackson-conversions-2</name>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-java</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../parent-java</relativePath>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+            <version>${jackson.version}</version>
+        </dependency>
+        <!--jackson for xml -->
+        <dependency>
+            <groupId>com.fasterxml.jackson.dataformat</groupId>
+            <artifactId>jackson-dataformat-xml</artifactId>
+            <version>${jackson.version}</version>
+        </dependency>
+        <!-- YAML -->
+        <dependency>
+            <groupId>com.fasterxml.jackson.dataformat</groupId>
+            <artifactId>jackson-dataformat-yaml</artifactId>
+            <version>${jackson.version}</version>
+        </dependency>
+        <!-- Allow use of LocalDate -->
+        <dependency>
+            <groupId>com.fasterxml.jackson.datatype</groupId>
+            <artifactId>jackson-datatype-jsr310</artifactId>
+            <version>2.9.8</version>
+        </dependency>
+        <!-- CSV -->
+        <dependency>
+            <groupId>com.fasterxml.jackson.dataformat</groupId>
+            <artifactId>jackson-dataformat-csv</artifactId>
+            <version>${jackson.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <finalName>jackson-conversions-2</finalName>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+    </build>
+
+    <properties>
+        <assertj.version>3.11.0</assertj.version>
+    </properties>
+
+</project>

jackson-2/src/main/java/com/baeldung/jackson/csv/JsonCsvConverter.java → jackson-conversions-2/src/main/java/com/baeldung/jackson/csv/JsonCsvConverter.java

@@ -3,8 +3,6 @@
 import java.io.File;
 import java.io.IOException;
 
-import com.baeldung.jackson.entities.OrderLine;
-import com.baeldung.jackson.mixin.OrderLineForCsv;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.MappingIterator;
 import com.fasterxml.jackson.databind.ObjectMapper;

jackson-2/src/main/java/com/baeldung/jackson/entities/OrderLine.java → jackson-conversions-2/src/main/java/com/baeldung/jackson/csv/OrderLine.java

@@ -1,4 +1,4 @@
-package com.baeldung.jackson.entities;
+package com.baeldung.jackson.csv;
 
 import java.math.BigDecimal;
 

jackson-2/src/main/java/com/baeldung/jackson/mixin/OrderLineForCsv.java → jackson-conversions-2/src/main/java/com/baeldung/jackson/csv/OrderLineForCsv.java

@@ -1,4 +1,4 @@
-package com.baeldung.jackson.mixin;
+package com.baeldung.jackson.csv;
 
 import java.math.BigDecimal;
 

jackson/src/main/java/com/baeldung/jackson/deserialization/dynamicobject/Product.java → jackson-conversions-2/src/main/java/com/baeldung/jackson/dynamicobject/Product.java

@@ -1,4 +1,4 @@
-package com.baeldung.jackson.deserialization.dynamicobject;
+package com.baeldung.jackson.dynamicobject;
 
 import java.util.LinkedHashMap;
 import java.util.Map;

jackson/src/main/java/com/baeldung/jackson/deserialization/dynamicobject/ProductJsonNode.java → jackson-conversions-2/src/main/java/com/baeldung/jackson/dynamicobject/ProductJsonNode.java

@@ -1,4 +1,4 @@
-package com.baeldung.jackson.deserialization.dynamicobject;
+package com.baeldung.jackson.dynamicobject;
 
 import com.fasterxml.jackson.databind.JsonNode;
 

jackson/src/main/java/com/baeldung/jackson/deserialization/dynamicobject/ProductMap.java → jackson-conversions-2/src/main/java/com/baeldung/jackson/dynamicobject/ProductMap.java

@@ -1,4 +1,4 @@
-package com.baeldung.jackson.deserialization.dynamicobject;
+package com.baeldung.jackson.dynamicobject;
 
 import java.util.Map;
 

jackson-2/src/main/java/com/baeldung/jackson/entities/Weather.java → jackson-conversions-2/src/main/java/com/baeldung/jackson/multiplefields/Weather.java

@@ -1,4 +1,4 @@
-package com.baeldung.jackson.entities;
+package com.baeldung.jackson.multiplefields;
 
 import com.fasterxml.jackson.annotation.JsonAlias;
 import com.fasterxml.jackson.annotation.JsonProperty;

jackson-conversions-2/src/main/java/com/baeldung/jackson/unknownproperties/MyDto.java

@@ -0,0 +1,54 @@
+package com.baeldung.jackson.unknownproperties;
+
+public class MyDto {
+
+    private String stringValue;
+    private int intValue;
+    private boolean booleanValue;
+
+    public MyDto() {
+        super();
+    }
+
+    public MyDto(final String stringValue, final int intValue, final boolean booleanValue) {
+        super();
+
+        this.stringValue = stringValue;
+        this.intValue = intValue;
+        this.booleanValue = booleanValue;
+    }
+
+    // API
+
+    public String getStringValue() {
+        return stringValue;
+    }
+
+    public void setStringValue(final String stringValue) {
+        this.stringValue = stringValue;
+    }
+
+    public int getIntValue() {
+        return intValue;
+    }
+
+    public void setIntValue(final int intValue) {
+        this.intValue = intValue;
+    }
+
+    public boolean isBooleanValue() {
+        return booleanValue;
+    }
+
+    public void setBooleanValue(final boolean booleanValue) {
+        this.booleanValue = booleanValue;
+    }
+
+    //
+
+    @Override
+    public String toString() {
+        return "MyDto [stringValue=" + stringValue + ", intValue=" + intValue + ", booleanValue=" + booleanValue + "]";
+    }
+
+}

jackson/src/test/java/com/baeldung/jackson/dtos/ignore/MyDtoIgnoreType.java → jackson-conversions-2/src/main/java/com/baeldung/jackson/unknownproperties/MyDtoIgnoreType.java

@@ -1,4 +1,4 @@
-package com.baeldung.jackson.dtos.ignore;
+package com.baeldung.jackson.unknownproperties;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 

jackson/src/test/java/com/baeldung/jackson/dtos/ignore/MyDtoIgnoreUnknown.java → jackson-conversions-2/src/main/java/com/baeldung/jackson/unknownproperties/MyDtoIgnoreUnknown.java

@@ -1,4 +1,4 @@
-package com.baeldung.jackson.dtos.ignore;
+package com.baeldung.jackson.unknownproperties;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 

jackson-2/src/main/java/com/baeldung/jackson/entities/Order.java → jackson-conversions-2/src/main/java/com/baeldung/jackson/yaml/Order.java

@@ -1,4 +1,4 @@
-package com.baeldung.jackson.entities;
+package com.baeldung.jackson.yaml;
 
 import java.time.LocalDate;
 import java.util.ArrayList;

jackson-conversions-2/src/main/java/com/baeldung/jackson/yaml/OrderLine.java

@@ -0,0 +1,49 @@
+package com.baeldung.jackson.yaml;
+
+import java.math.BigDecimal;
+
+public class OrderLine {
+    private String item;
+    private int quantity;
+    private BigDecimal unitPrice;
+
+    public OrderLine() {
+
+    }
+
+    public OrderLine(String item, int quantity, BigDecimal unitPrice) {
+        super();
+        this.item = item;
+        this.quantity = quantity;
+        this.unitPrice = unitPrice;
+    }
+
+    public String getItem() {
+        return item;
+    }
+
+    public void setItem(String item) {
+        this.item = item;
+    }
+
+    public int getQuantity() {
+        return quantity;
+    }
+
+    public void setQuantity(int quantity) {
+        this.quantity = quantity;
+    }
+
+    public BigDecimal getUnitPrice() {
+        return unitPrice;
+    }
+
+    public void setUnitPrice(BigDecimal unitPrice) {
+        this.unitPrice = unitPrice;
+    }
+
+    @Override
+    public String toString() {
+        return "OrderLine [item=" + item + ", quantity=" + quantity + ", unitPrice=" + unitPrice + "]";
+    }
+}