feat: 3.0.0 preview

asyncapi-core/src/main/java/com/asyncapi/v3/ExtendableObject.java

@@ -0,0 +1,43 @@
+package com.asyncapi.v3;
+
+import com.fasterxml.jackson.annotation.JsonAnyGetter;
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.regex.Pattern;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@JsonIgnoreProperties({"extensionFields"})
+public class ExtendableObject {
+
+    private static final Pattern extensionPropertyNamePattern = Pattern.compile("^x-[\\w\\d\\-\\_]+$");
+
+    /**
+     * Extension fields in the form x-extension-field-name for the exposed API.
+     */
+    @Nullable
+    @JsonAnyGetter
+    protected Map<String, Object> extensionFields;
+
+    @JsonAnySetter
+    protected final void readExtensionProperty(String name, Object value) {
+        if (extensionPropertyNamePattern.matcher(name).matches()) {
+            if (extensionFields == null) {
+                extensionFields = new HashMap<>();
+            }
+
+            extensionFields.put(name, value);
+        } else {
+            throw new IllegalArgumentException(String.format("\"%s\" is not valid extension property", name));
+        }
+    }
+
+}

asyncapi-core/src/main/java/com/asyncapi/v3/Reference.java

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+package com.asyncapi.v3;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * A simple object to allow referencing other components in the specification, internally and externally.
+ * <p>
+ * The Reference Object is defined by <a href="https://tools.ietf.org/html/draft-pbryan-zyp-json-ref-03">JSON Reference</a> and follows the same structure, behavior and rules.
+ * A JSON Reference SHALL only be used to refer to a schema that is formatted in either JSON or YAML.
+ * In the case of a YAML-formatted Schema, the JSON Reference SHALL be applied to the JSON representation of
+ * that schema. The JSON representation SHALL be made by applying the conversion described <a href="https://www.asyncapi.com/docs/reference/specification/v2.6.0#format">here</a>.
+ * <p>
+ * For this specification, reference resolution is done as defined by the JSON Reference specification and not by
+ * the JSON Schema specification.
+ *
+ * @version 3.0.0
+ * @see <a href="https://www.asyncapi.com/docs/reference/specification/v3.0.0-next-major-spec.14#referenceObject">Reference</a>
+ * @author Pavel Bodiachevskii
+ */
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class Reference {
+
+    /**
+     * Required.
+     * <p>
+     * The reference string.
+     */
+    @NotNull
+    @JsonProperty(value = "$ref")
+    private String ref = "";
+
+}

asyncapi-core/src/main/java/com/asyncapi/v3/_0_0/jackson/model/ExternalDocumentationDeserializer.java

@@ -0,0 +1,23 @@
+package com.asyncapi.v3._0_0.jackson.model;
+
+import com.asyncapi.v3.Reference;
+import com.asyncapi.v3._0_0.model.ExternalDocumentation;
+import com.asyncapi.v3.jackson.ReferenceOrObjectDeserializer;
+
+/**
+ * Deserializes external documentation.
+ *
+ * @author Pavel Bodiachevskii
+ */
+public class ExternalDocumentationDeserializer extends ReferenceOrObjectDeserializer<ExternalDocumentation> {
+
+    @Override
+    public Class<ExternalDocumentation> objectTypeClass() {
+        return ExternalDocumentation.class;
+    }
+
+    public Class<?> referenceClass() {
+        return Reference.class;
+    }
+
+}

asyncapi-core/src/main/java/com/asyncapi/v3/_0_0/jackson/model/TagsDeserializer.java

@@ -0,0 +1,24 @@
+package com.asyncapi.v3._0_0.jackson.model;
+
+import com.asyncapi.v3.Reference;
+import com.asyncapi.v3._0_0.model.Tag;
+import com.asyncapi.v3.jackson.ListOfReferencesOrObjectsDeserializer;
+
+/**
+ * Deserializes tags.
+ *
+ * @author Pavel Bodiachevskii
+ */
+public class TagsDeserializer extends ListOfReferencesOrObjectsDeserializer<Tag> {
+
+    @Override
+    public Class<Tag> objectTypeClass() {
+        return Tag.class;
+    }
+
+    @Override
+    public Class<?> referenceClass() {
+        return Reference.class;
+    }
+
+}

asyncapi-core/src/main/java/com/asyncapi/v3/_0_0/jackson/model/channel/ChannelParametersDeserializer.java

@@ -0,0 +1,25 @@
+package com.asyncapi.v3._0_0.jackson.model.channel;
+
+import com.asyncapi.v3.Reference;
+import com.asyncapi.v3._0_0.model.channel.Parameter;
+import com.asyncapi.v3.jackson.MapOfReferencesOrObjectsDeserializer;
+
+/**
+ * Serializes {@link com.asyncapi.v3._0_0.model.channel.Parameter} variables map.
+ *
+ * @version 3.0.0
+ * @author Pavel Bodiachevskii
+ */
+public class ChannelParametersDeserializer extends MapOfReferencesOrObjectsDeserializer<Parameter> {
+
+    @Override
+    public Class<Parameter> objectTypeClass() {
+        return Parameter.class;
+    }
+
+    @Override
+    public Class<?> referenceClass() {
+        return Reference.class;
+    }
+
+}

asyncapi-core/src/main/java/com/asyncapi/v3/_0_0/jackson/model/channel/ChannelsDeserializer.java

@@ -0,0 +1,24 @@
+package com.asyncapi.v3._0_0.jackson.model.channel;
+
+import com.asyncapi.v3.Reference;
+import com.asyncapi.v3._0_0.model.channel.Channel;
+import com.asyncapi.v3.jackson.MapOfReferencesOrObjectsDeserializer;
+
+/**
+ * Serializes component channels map.
+ *
+ * @author Pavel Bodiachevskii
+ */
+public class ChannelsDeserializer extends MapOfReferencesOrObjectsDeserializer<Channel> {
+
+    @Override
+    public Class<Channel> objectTypeClass() {
+        return Channel.class;
+    }
+
+    @Override
+    public Class<?> referenceClass() {
+        return Reference.class;
+    }
+
+}

asyncapi-core/src/main/java/com/asyncapi/v3/_0_0/jackson/model/channel/message/MessageCorrelationIdDeserializer.java

@@ -0,0 +1,23 @@
+package com.asyncapi.v3._0_0.jackson.model.channel.message;
+
+import com.asyncapi.v3.Reference;
+import com.asyncapi.v3._0_0.model.channel.message.CorrelationId;
+import com.asyncapi.v3.jackson.ReferenceOrObjectDeserializer;
+
+/**
+ * Serializes message correlation id.
+ *
+ * @author Pavel Bodiachevskii
+ */
+public class MessageCorrelationIdDeserializer extends ReferenceOrObjectDeserializer<CorrelationId> {
+
+    @Override
+    public Class<CorrelationId> objectTypeClass() {
+        return CorrelationId.class;
+    }
+
+    public Class<?> referenceClass() {
+        return Reference.class;
+    }
+
+}

asyncapi-core/src/main/java/com/asyncapi/v3/_0_0/jackson/model/channel/message/MessageHeadersDeserializer.java

@@ -0,0 +1,77 @@
+package com.asyncapi.v3._0_0.jackson.model.channel.message;
+
+import com.asyncapi.v3.Reference;
+import com.asyncapi.v3.schema.Schema;
+import com.asyncapi.v3.schema.MultiFormatSchema;
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.core.ObjectCodec;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonDeserializer;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException;
+import org.jetbrains.annotations.NotNull;
+
+import java.io.IOException;
+
+/**
+ * Serializes message traits list.
+ *
+ * @author Pavel Bodiachevskii
+ */
+public class MessageHeadersDeserializer extends JsonDeserializer<Object> {
+
+    @Override
+    public Object deserialize(JsonParser p, DeserializationContext ctxt) throws IOException, JsonProcessingException {
+        ObjectCodec objectCodec = p.getCodec();
+        JsonNode node = objectCodec.readTree(p);
+
+        /*
+            Problem:
+              Both, Reference class and Schema class have $ref field.
+              So, this is only reason why I receive next exception:
+              "com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException:
+                Unrecognized field "title" (class com.asyncapi.v2._6_0.model.Reference),
+                not marked as ignorable (one known property: "$ref"])"
+              in case when Schema contains $ref.
+            Solution:
+             Try to deserialize reference. In case of exception, try to deserialize it as given ObjectType. In case of
+             one more exception, throw it.
+            TODO: Think how to improve.
+         */
+        try {
+            return chooseKnownPojo(node, objectCodec);
+        } catch (UnrecognizedPropertyException unrecognizedPropertyException) {
+            return readAsObject(node, objectCodec);
+        }
+    }
+
+    private Object chooseKnownPojo(JsonNode jsonNode, ObjectCodec objectCodec) throws IOException {
+        JsonNode ref = jsonNode.get("$ref");
+        try (JsonParser jsonParser = jsonNode.traverse(objectCodec)) {
+            if (isMultiFormatSchema(jsonNode)) {
+                return jsonParser.readValueAs(MultiFormatSchema.class);
+            }
+
+            if (ref != null) {
+                return jsonParser.readValueAs(Reference.class);
+            } else {
+                return jsonParser.readValueAs(Schema.class);
+            }
+        }
+    }
+
+    private Object readAsObject(JsonNode jsonNode, ObjectCodec objectCodec) throws IOException {
+        try (JsonParser jsonParser = jsonNode.traverse(objectCodec)) {
+            return jsonParser.readValueAs(Schema.class);
+        }
+    }
+
+    private boolean isMultiFormatSchema(@NotNull JsonNode jsonNode) {
+        JsonNode schemaFormat = jsonNode.get("schemaFormat");
+        JsonNode schema = jsonNode.get("schema");
+
+        return (schemaFormat != null) && (schema != null);
+    }
+
+}

asyncapi-core/src/main/java/com/asyncapi/v3/_0_0/jackson/model/channel/message/MessagePayloadDeserializer.java

@@ -0,0 +1,77 @@
+package com.asyncapi.v3._0_0.jackson.model.channel.message;
+
+import com.asyncapi.v3.Reference;
+import com.asyncapi.v3.schema.MultiFormatSchema;
+import com.asyncapi.v3.schema.Schema;
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.core.ObjectCodec;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonDeserializer;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException;
+import org.jetbrains.annotations.NotNull;
+
+import java.io.IOException;
+
+/**
+ * Serializes message traits list.
+ *
+ * @author Pavel Bodiachevskii
+ */
+public class MessagePayloadDeserializer extends JsonDeserializer<Object> {
+
+    @Override
+    public Object deserialize(JsonParser p, DeserializationContext ctxt) throws IOException, JsonProcessingException {
+        ObjectCodec objectCodec = p.getCodec();
+        JsonNode node = objectCodec.readTree(p);
+
+        /*
+            Problem:
+              Both, Reference class and Schema class have $ref field.
+              So, this is only reason why I receive next exception:
+              "com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException:
+                Unrecognized field "title" (class com.asyncapi.v2._6_0.model.Reference),
+                not marked as ignorable (one known property: "$ref"])"
+              in case when Schema contains $ref.
+            Solution:
+             Try to deserialize reference. In case of exception, try to deserialize it as given ObjectType. In case of
+             one more exception, throw it.
+            TODO: Think how to improve.
+         */
+        try {
+            return chooseKnownPojo(node, objectCodec);
+        } catch (UnrecognizedPropertyException unrecognizedPropertyException) {
+            return readAsObject(node, objectCodec);
+        }
+    }
+
+    private Object chooseKnownPojo(JsonNode jsonNode, ObjectCodec objectCodec) throws IOException {
+        JsonNode ref = jsonNode.get("$ref");
+        try (JsonParser jsonParser = jsonNode.traverse(objectCodec)) {
+            if (isMultiFormatSchema(jsonNode)) {
+                return jsonParser.readValueAs(MultiFormatSchema.class);
+            }
+
+            if (ref != null) {
+                return jsonParser.readValueAs(Reference.class);
+            } else {
+                return jsonParser.readValueAs(Schema.class);
+            }
+        }
+    }
+
+    private Object readAsObject(JsonNode jsonNode, ObjectCodec objectCodec) throws IOException {
+        try (JsonParser jsonParser = jsonNode.traverse(objectCodec)) {
+            return jsonParser.readValueAs(Schema.class);
+        }
+    }
+
+    private boolean isMultiFormatSchema(@NotNull JsonNode jsonNode) {
+        JsonNode schemaFormat = jsonNode.get("schemaFormat");
+        JsonNode schema = jsonNode.get("schema");
+
+        return (schemaFormat != null) && (schema != null);
+    }
+
+}

asyncapi-core/src/main/java/com/asyncapi/v3/_0_0/jackson/model/channel/message/MessageTraitsDeserializer.java

@@ -0,0 +1,24 @@
+package com.asyncapi.v3._0_0.jackson.model.channel.message;
+
+import com.asyncapi.v3.Reference;
+import com.asyncapi.v3._0_0.model.channel.message.MessageTrait;
+import com.asyncapi.v3.jackson.ListOfReferencesOrObjectsDeserializer;
+
+/**
+ * Deserializes message traits.
+ *
+ * @author Pavel Bodiachevskii
+ */
+public class MessageTraitsDeserializer extends ListOfReferencesOrObjectsDeserializer<MessageTrait> {
+
+    @Override
+    public Class<MessageTrait> objectTypeClass() {
+        return MessageTrait.class;
+    }
+
+    @Override
+    public Class<?> referenceClass() {
+        return Reference.class;
+    }
+
+}