IN PROGRESS
Spike goals:
- check if it is possible to define a RAML file without any endpoints just to declare traits and imports, the goal is to generate DTOs and reusable traits.
- check if it is possible to extend or inherit JSON schemas. if not demonstrate how to include or wrap JSON schemas.
Unfortunately, it is not possible to declare RAML file without any endpoint
It is possible to extend JSON schemas. The detailed information on how to do it described below.
Let's assume we have following raml file
library.raml
#%RAML 1.0
title: Book Library API
version: v0.1
documentation:
- title: Introduction
content: Automated access to books
- title: Licensing
content: Please respect copyrights on our books.
types:
book: !include bookParent.json
bookCollection: !include bookCollection.json
errors: !include raml-util/schemas/errors.schema
traits:
language: !include raml-util/traits/language.raml
resourceTypes:
collection: !include raml-util/rtypes/collection.raml
collection-item: !include raml-util/rtypes/item-collection.raml
/books:
description: The collection of library books
type:
collection:
schemaCollection: bookCollection
schemaItem: book
exampleCollection: !include examples/bookCollection.sample
exampleItem: !include examples/book.sample
The definition of the book collection looks similar to other collections used in project
bookCollection.json
{
"$schema": "http://json-schema.org/draft-04/schema#",
"type": "object",
"description": "Collection of books",
"properties": {
"books": {
"type": "array",
"items": {
"type": "object",
"$ref": "bookChild.json"
}
},
"totalRecords": {
"type": "integer"
}
},
"required": [
"books",
"totalRecords"
]
}
Here, for the reference field I have used "bookChild.json" file, which is a child of other json file
bookParent.json
{
"$schema": "http://json-schema.org/draft-04/schema#",
"type": "object",
"description": "A book parent",
"additionalProperties": false,
"properties": {
"id": {
"type": "string"
},
"name": {
"description": "The name of the book",
"type": "string"
},
"author": {
"description": "The author of the book",
"type": "string"
},
"metadata": {
"description": "Metadata about creation and changes, provided by the server (client should not provide)",
"type": "object",
"$ref": "raml-util/schemas/metadata.schema",
"readonly": true
}
},
"required": [
"name",
"author"
]
}
bookChild.json
{
"$schema": "http://json-schema.org/draft-04/schema#",
"type": "object",
"description": "A book child",
"additionalProperties": true,
"extends" : {
"$ref" : "bookParent.json"
},
"properties": {
"id": {
"type": "string"
},
"publisher": {
"description": "The publisher of the book",
"type": "string"
}
}
}
The main point is to use
"extends" : {
"$ref" : "<json_file>"
}
and set
"additionalProperties": true
After project build we will have following models:
BookParent
package org.folio.rest.jaxrs.model;
import javax.validation.Valid;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Null;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonPropertyDescription;
import com.fasterxml.jackson.annotation.JsonPropertyOrder;
/**
* A book parent
*
*/
@JsonInclude(JsonInclude.Include.NON_NULL)
@JsonPropertyOrder({
"id",
"name",
"author",
"metadata"
})
public class BookParent {
@JsonProperty("id")
private String id;
/**
* The name of the book
* (Required)
*
*/
@JsonProperty("name")
@JsonPropertyDescription("The name of the book")
@NotNull
private String name;
/**
* The author of the book
* (Required)
*
*/
@JsonProperty("author")
@JsonPropertyDescription("The author of the book")
@NotNull
private String author;
/**
* Metadata Schema
* <p>
* Metadata about creation and changes to records, provided by the server (client should not provide)
*
*/
@JsonProperty("metadata")
@JsonPropertyDescription("Metadata about creation and changes to records, provided by the server (client should not provide)")
@Null
@Valid
private Metadata metadata;
@JsonProperty("id")
public String getId() {
return id;
}
@JsonProperty("id")
public void setId(String id) {
this.id = id;
}
public BookParent withId(String id) {
this.id = id;
return this;
}
/**
* The name of the book
* (Required)
*
*/
@JsonProperty("name")
public String getName() {
return name;
}
/**
* The name of the book
* (Required)
*
*/
@JsonProperty("name")
public void setName(String name) {
this.name = name;
}
public BookParent withName(String name) {
this.name = name;
return this;
}
/**
* The author of the book
* (Required)
*
*/
@JsonProperty("author")
public String getAuthor() {
return author;
}
/**
* The author of the book
* (Required)
*
*/
@JsonProperty("author")
public void setAuthor(String author) {
this.author = author;
}
public BookParent withAuthor(String author) {
this.author = author;
return this;
}
/**
* Metadata Schema
* <p>
* Metadata about creation and changes to records, provided by the server (client should not provide)
*
*/
@JsonProperty("metadata")
public Metadata getMetadata() {
return metadata;
}
/**
* Metadata Schema
* <p>
* Metadata about creation and changes to records, provided by the server (client should not provide)
*
*/
@JsonProperty("metadata")
public void setMetadata(Metadata metadata) {
this.metadata = metadata;
}
public BookParent withMetadata(Metadata metadata) {
this.metadata = metadata;
return this;
}
}
BookChild
package org.folio.rest.jaxrs.model;
import java.util.HashMap;
import java.util.Map;
import javax.validation.Valid;
import com.fasterxml.jackson.annotation.JsonAnyGetter;
import com.fasterxml.jackson.annotation.JsonAnySetter;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonPropertyDescription;
import com.fasterxml.jackson.annotation.JsonPropertyOrder;
/**
* A book child
*
*/
@JsonInclude(JsonInclude.Include.NON_NULL)
@JsonPropertyOrder({
"id",
"publisher"
})
public class BookChild
extends BookParent
{
@JsonProperty("id")
private String id;
/**
* The publisher of the book
*
*/
@JsonProperty("publisher")
@JsonPropertyDescription("The publisher of the book")
private String publisher;
@JsonIgnore
@Valid
private Map<String, Object> additionalProperties = new HashMap<String, Object>();
@JsonProperty("id")
public String getId() {
return id;
}
@JsonProperty("id")
public void setId(String id) {
this.id = id;
}
public BookChild withId(String id) {
this.id = id;
return this;
}
/**
* The publisher of the book
*
*/
@JsonProperty("publisher")
public String getPublisher() {
return publisher;
}
/**
* The publisher of the book
*
*/
@JsonProperty("publisher")
public void setPublisher(String publisher) {
this.publisher = publisher;
}
public BookChild withPublisher(String publisher) {
this.publisher = publisher;
return this;
}
@Override
public BookChild withName(String name) {
super.withName(name);
return this;
}
@Override
public BookChild withAuthor(String author) {
super.withAuthor(author);
return this;
}
@Override
public BookChild withMetadata(Metadata metadata) {
super.withMetadata(metadata);
return this;
}
@JsonAnyGetter
public Map<String, Object> getAdditionalProperties() {
return this.additionalProperties;
}
@JsonAnySetter
public void setAdditionalProperty(String name, Object value) {
this.additionalProperties.put(name, value);
}
public BookChild withAdditionalProperty(String name, Object value) {
this.additionalProperties.put(name, value);
return this;
}
}