Merge pull request #33 from sebastian-toepfer/printable_json

add posibility to print a json object

media-json-api/pom.xml

@@ -21,6 +21,11 @@
             <version>${project.version}</version>
         </dependency>
 
+        <dependency>
+            <groupId>com.github.spotbugs</groupId>
+            <artifactId>spotbugs-annotations</artifactId>
+        </dependency>
+
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-api</artifactId>
@@ -37,6 +42,13 @@
             <scope>test</scope>
         </dependency>
 
+        <dependency>
+            <groupId>${project.groupId}</groupId>
+            <artifactId>media-core</artifactId>
+            <version>${project.version}</version>
+            <scope>test</scope>
+        </dependency>
+
         <dependency>
             <groupId>org.eclipse.parsson</groupId>
             <artifactId>parsson</artifactId>

media-json-api/src/main/java/io/github/sebastiantoepfer/ddd/media/json/JsonObjectPrintable.java

@@ -0,0 +1,30 @@
+package io.github.sebastiantoepfer.ddd.media.json;
+
+import io.github.sebastiantoepfer.ddd.common.Media;
+import io.github.sebastiantoepfer.ddd.common.Printable;
+import io.github.sebastiantoepfer.ddd.media.json.printable.JsonMappedPrintables;
+import jakarta.json.JsonObject;
+import java.util.List;
+import java.util.Objects;
+
+public class JsonObjectPrintable implements Printable {
+
+    private final JsonObject json;
+
+    public JsonObjectPrintable(final JsonObject json) {
+        this.json = Objects.requireNonNull(json);
+    }
+
+    @Override
+    public <T extends Media<T>> T printOn(final T media) {
+        T result = media;
+        for (Printable printable : createPrintables()) {
+            result = printable.printOn(result);
+        }
+        return result;
+    }
+
+    private List<Printable> createPrintables() {
+        return json.entrySet().stream().map(JsonMappedPrintables::new).map(JsonMappedPrintables::toPrintable).toList();
+    }
+}

media-json-api/src/main/java/io/github/sebastiantoepfer/ddd/media/json/printable/ArrayJsonMappedValue.java

@@ -0,0 +1,35 @@
+package io.github.sebastiantoepfer.ddd.media.json.printable;
+
+import io.github.sebastiantoepfer.ddd.common.Media;
+import io.github.sebastiantoepfer.ddd.common.Printable;
+import jakarta.json.JsonArray;
+import java.util.List;
+
+class ArrayJsonMappedValue implements JsonMappedValue {
+
+    private final JsonArray array;
+
+    public ArrayJsonMappedValue(final JsonArray array) {
+        this.array = array;
+    }
+
+    @Override
+    public List<?> toValue() {
+        return array
+            .stream()
+            .map(JsonMappedValues::new)
+            .map(JsonMappedValues::toMappedValue)
+            .map(JsonMappedValue::toValue)
+            .toList();
+    }
+
+    @Override
+    public Printable toPrintable(final String name) {
+        return new Printable() {
+            @Override
+            public <T extends Media<T>> T printOn(final T media) {
+                return media.withValue(name, toValue());
+            }
+        };
+    }
+}

media-json-api/src/main/java/io/github/sebastiantoepfer/ddd/media/json/printable/BooleanJsonMappedValue.java

@@ -0,0 +1,29 @@
+package io.github.sebastiantoepfer.ddd.media.json.printable;
+
+import io.github.sebastiantoepfer.ddd.common.Media;
+import io.github.sebastiantoepfer.ddd.common.Printable;
+import jakarta.json.JsonValue;
+
+class BooleanJsonMappedValue implements JsonMappedValue {
+
+    private final JsonValue.ValueType value;
+
+    public BooleanJsonMappedValue(final JsonValue.ValueType value) {
+        this.value = value;
+    }
+
+    @Override
+    public Boolean toValue() {
+        return value == JsonValue.ValueType.TRUE;
+    }
+
+    @Override
+    public Printable toPrintable(final String name) {
+        return new Printable() {
+            @Override
+            public <T extends Media<T>> T printOn(final T media) {
+                return media.withValue(name, toValue());
+            }
+        };
+    }
+}

media-json-api/src/main/java/io/github/sebastiantoepfer/ddd/media/json/printable/DecimalNumberJsonMappedValue.java

@@ -0,0 +1,29 @@
+package io.github.sebastiantoepfer.ddd.media.json.printable;
+
+import io.github.sebastiantoepfer.ddd.common.Media;
+import io.github.sebastiantoepfer.ddd.common.Printable;
+import jakarta.json.JsonNumber;
+
+class DecimalNumberJsonMappedValue implements JsonMappedValue {
+
+    private final JsonNumber value;
+
+    public DecimalNumberJsonMappedValue(final JsonNumber value) {
+        this.value = value;
+    }
+
+    @Override
+    public Printable toPrintable(final String name) {
+        return new Printable() {
+            @Override
+            public <T extends Media<T>> T printOn(final T media) {
+                return media.withValue(name, toValue());
+            }
+        };
+    }
+
+    @Override
+    public Double toValue() {
+        return value.doubleValue();
+    }
+}

media-json-api/src/main/java/io/github/sebastiantoepfer/ddd/media/json/printable/IntegerNumberJsonMappedValue.java

@@ -0,0 +1,29 @@
+package io.github.sebastiantoepfer.ddd.media.json.printable;
+
+import io.github.sebastiantoepfer.ddd.common.Media;
+import io.github.sebastiantoepfer.ddd.common.Printable;
+import jakarta.json.JsonNumber;
+
+class IntegerNumberJsonMappedValue implements JsonMappedValue {
+
+    private final JsonNumber value;
+
+    public IntegerNumberJsonMappedValue(final JsonNumber value) {
+        this.value = value;
+    }
+
+    @Override
+    public Printable toPrintable(final String name) {
+        return new Printable() {
+            @Override
+            public <T extends Media<T>> T printOn(final T media) {
+                return media.withValue(name, toValue());
+            }
+        };
+    }
+
+    @Override
+    public Long toValue() {
+        return value.longValueExact();
+    }
+}

media-json-api/src/main/java/io/github/sebastiantoepfer/ddd/media/json/printable/JsonMappedPrintables.java

@@ -0,0 +1,20 @@
+package io.github.sebastiantoepfer.ddd.media.json.printable;
+
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
+import io.github.sebastiantoepfer.ddd.common.Printable;
+import jakarta.json.JsonValue;
+import java.util.Map;
+
+public class JsonMappedPrintables {
+
+    private final Map.Entry<String, JsonValue> entry;
+
+    @SuppressFBWarnings("EI_EXPOSE_REP2")
+    public JsonMappedPrintables(final Map.Entry<String, JsonValue> entry) {
+        this.entry = entry;
+    }
+
+    public Printable toPrintable() {
+        return new JsonMappedValues(entry.getValue()).toMappedValue().toPrintable(entry.getKey());
+    }
+}

media-json-api/src/main/java/io/github/sebastiantoepfer/ddd/media/json/printable/JsonMappedValue.java

@@ -0,0 +1,9 @@
+package io.github.sebastiantoepfer.ddd.media.json.printable;
+
+import io.github.sebastiantoepfer.ddd.common.Printable;
+
+interface JsonMappedValue {
+    Object toValue();
+
+    Printable toPrintable(String name);
+}

media-json-api/src/main/java/io/github/sebastiantoepfer/ddd/media/json/printable/JsonMappedValues.java

@@ -0,0 +1,38 @@
+package io.github.sebastiantoepfer.ddd.media.json.printable;
+
+import jakarta.json.JsonArray;
+import jakarta.json.JsonNumber;
+import jakarta.json.JsonObject;
+import jakarta.json.JsonString;
+import jakarta.json.JsonValue;
+
+class JsonMappedValues {
+
+    private final JsonValue value;
+
+    public JsonMappedValues(final JsonValue value) {
+        this.value = value;
+    }
+
+    public JsonMappedValue toMappedValue() {
+        final JsonMappedValue result;
+        if (value instanceof JsonString str) {
+            result = new StringJsonMappedValue(str);
+        } else if (value instanceof JsonNumber number) {
+            if (number.isIntegral()) {
+                result = new IntegerNumberJsonMappedValue(number);
+            } else {
+                result = new DecimalNumberJsonMappedValue(number);
+            }
+        } else if (value instanceof JsonArray array) {
+            result = new ArrayJsonMappedValue(array);
+        } else if (value instanceof JsonObject obj) {
+            result = new ObjectJsonMappedValue(obj);
+        } else if (value.getValueType() == JsonValue.ValueType.NULL) {
+            result = new NullJsonMappedValue();
+        } else {
+            result = new BooleanJsonMappedValue(value.getValueType());
+        }
+        return result;
+    }
+}

media-json-api/src/main/java/io/github/sebastiantoepfer/ddd/media/json/printable/NullJsonMappedValue.java

@@ -0,0 +1,22 @@
+package io.github.sebastiantoepfer.ddd.media.json.printable;
+
+import io.github.sebastiantoepfer.ddd.common.Media;
+import io.github.sebastiantoepfer.ddd.common.Printable;
+
+class NullJsonMappedValue implements JsonMappedValue {
+
+    @Override
+    public Void toValue() {
+        return null;
+    }
+
+    @Override
+    public Printable toPrintable(final String name) {
+        return new Printable() {
+            @Override
+            public <T extends Media<T>> T printOn(final T media) {
+                return media;
+            }
+        };
+    }
+}

media-json-api/src/main/java/io/github/sebastiantoepfer/ddd/media/json/printable/ObjectJsonMappedValue.java

@@ -0,0 +1,30 @@
+package io.github.sebastiantoepfer.ddd.media.json.printable;
+
+import io.github.sebastiantoepfer.ddd.common.Media;
+import io.github.sebastiantoepfer.ddd.common.Printable;
+import io.github.sebastiantoepfer.ddd.media.json.JsonObjectPrintable;
+import jakarta.json.JsonObject;
+
+class ObjectJsonMappedValue implements JsonMappedValue {
+
+    private final JsonObject json;
+
+    public ObjectJsonMappedValue(final JsonObject json) {
+        this.json = json;
+    }
+
+    @Override
+    public Printable toPrintable(final String name) {
+        return new Printable() {
+            @Override
+            public <T extends Media<T>> T printOn(final T media) {
+                return media.withValue(name, toValue());
+            }
+        };
+    }
+
+    @Override
+    public Printable toValue() {
+        return new JsonObjectPrintable(json);
+    }
+}

media-json-api/src/main/java/io/github/sebastiantoepfer/ddd/media/json/printable/StringJsonMappedValue.java

@@ -0,0 +1,29 @@
+package io.github.sebastiantoepfer.ddd.media.json.printable;
+
+import io.github.sebastiantoepfer.ddd.common.Media;
+import io.github.sebastiantoepfer.ddd.common.Printable;
+import jakarta.json.JsonString;
+
+class StringJsonMappedValue implements JsonMappedValue {
+
+    private final JsonString value;
+
+    public StringJsonMappedValue(final JsonString value) {
+        this.value = value;
+    }
+
+    @Override
+    public Printable toPrintable(final String name) {
+        return new Printable() {
+            @Override
+            public <T extends Media<T>> T printOn(final T media) {
+                return media.withValue(name, toValue());
+            }
+        };
+    }
+
+    @Override
+    public String toValue() {
+        return value.getString();
+    }
+}