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nop-xlang/src/main/java/io/nop/xlang/xmeta/jsonschema/XSchemaToJsonSchema.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,170 @@ | ||
| package io.nop.xlang.xmeta.jsonschema; | ||
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||
| import io.nop.api.core.beans.DictBean; | ||
| import io.nop.api.core.context.ContextProvider; | ||
| import io.nop.commons.type.StdDataType; | ||
| import io.nop.core.context.IServiceContext; | ||
| import io.nop.core.dict.DictProvider; | ||
| import io.nop.xlang.xmeta.IObjPropMeta; | ||
| import io.nop.xlang.xmeta.IObjSchema; | ||
| import io.nop.xlang.xmeta.ISchema; | ||
|
|
||
| import java.util.ArrayList; | ||
| import java.util.HashMap; | ||
| import java.util.LinkedHashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
|
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| public class XSchemaToJsonSchema { | ||
| static XSchemaToJsonSchema _instance = new XSchemaToJsonSchema(); | ||
|
|
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| public static void registerInstance(XSchemaToJsonSchema instance) { | ||
| _instance = instance; | ||
| } | ||
|
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| public static XSchemaToJsonSchema instance() { | ||
| return _instance; | ||
| } | ||
|
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| public Map<String, Object> toJsonSchema(ISchema schema, IServiceContext context) { | ||
| Map<String, Object> ret = new LinkedHashMap<>(); | ||
| if (schema == null) { | ||
| return ret; | ||
| } | ||
|
|
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| if (schema.isObjSchema()) { | ||
| toObjectSchema(ret, schema, context); | ||
| } else if (schema.isListSchema()) { | ||
| ret.put("type", "array"); | ||
| addArraySpecificProps(ret, schema); | ||
| ret.put("items", toJsonSchema(schema.getItemSchema(), context)); | ||
| } else if (schema.isUnionSchema()) { | ||
| List<ISchema> schemas = schema.getOneOf(); | ||
| if (schemas != null) { | ||
| List<Map<String, Object>> list = new ArrayList<>(schemas.size()); | ||
| for (ISchema subSchema : schemas) { | ||
| list.add(toJsonSchema(subSchema, context)); | ||
| } | ||
| ret.put("anyOf", schemas); | ||
| } | ||
| } else { | ||
| toSimpleSchema(ret, schema, context); | ||
| } | ||
| return ret; | ||
| } | ||
|
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| void addArraySpecificProps(Map<String, Object> ret, ISchema schema) { | ||
| if (schema.getMinItems() != null) | ||
| ret.put("minItems", schema.getMinItems()); | ||
| if (schema.getMaxItems() != null) { | ||
| ret.put("maxItems", schema.getMaxItems()); | ||
| } | ||
| } | ||
|
|
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| void addObjectSpecificProps(Map<String, Object> ret, IObjSchema schema) { | ||
| if (schema.getMinProperties() != null) { | ||
| ret.put("minProperties", schema.getMinProperties()); | ||
| } | ||
| if (schema.getMaxProperties() != null) { | ||
| ret.put("maxProperties", schema.getMaxProperties()); | ||
| } | ||
| } | ||
|
|
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| void toObjectSchema(Map<String, Object> ret, IObjSchema schema, IServiceContext context) { | ||
| ret.put("type", "object"); | ||
| addObjectSpecificProps(ret, schema); | ||
|
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| List<String> required = new ArrayList<>(); | ||
| List<? extends IObjPropMeta> props = schema.getProps(); | ||
| Map<String, Object> propSchemas = new LinkedHashMap<>(); | ||
| if (props != null) { | ||
| props.forEach(prop -> { | ||
| if (prop.isMandatory()) | ||
| required.add(prop.getName()); | ||
|
|
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| propSchemas.put(prop.getName(), toJsonSchema(prop.getSchema(), context)); | ||
| }); | ||
| } | ||
| ret.put("properties", propSchemas); | ||
| if (!required.isEmpty()) | ||
| ret.put("required", required); | ||
| } | ||
|
|
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| void toSimpleSchema(Map<String, Object> ret, ISchema schema, IServiceContext context) { | ||
| if (schema == null) | ||
| return; | ||
|
|
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| StdDataType dataType = schema.getStdDataType(); | ||
| if (dataType == null) | ||
| dataType = StdDataType.STRING; | ||
|
|
||
| if (dataType == StdDataType.MAP) { | ||
| toMapSchema(ret); | ||
| } else { | ||
| String jsonType = dataType.getJsonType(); | ||
| ret.put("type", jsonType); | ||
| if (schema.getMax() != null) { | ||
| ret.put("maximum", schema.getMax()); | ||
| } | ||
| if (schema.getMin() != null) { | ||
| ret.put("minimum", schema.getMin()); | ||
| } | ||
|
|
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| if (schema.getMinLength() != null) | ||
| ret.put("minLength", schema.getMinLength()); | ||
| if (schema.getMaxLength() != null) | ||
| ret.put("maxLength", schema.getMaxLength()); | ||
| if (schema.getPattern() != null) | ||
| ret.put("pattern", schema.getPattern()); | ||
|
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| String format = getFormat(schema); | ||
| if (format != null) | ||
| ret.put("format", format); | ||
|
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| String dict = schema.getDict(); | ||
| if (dict != null) { | ||
| String locale = ContextProvider.currentLocale(); | ||
| DictBean dictBean = DictProvider.instance().getDict(locale, dict, context.getCache(), context); | ||
| if (dictBean != null) { | ||
| ret.put("enum", dictBean.getValues()); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| protected String getFormat(ISchema schema) { | ||
| StdDataType dataType = schema.getStdDataType(); | ||
| if (dataType == StdDataType.DATETIME) | ||
| return "date-time"; | ||
| if (dataType == StdDataType.TIME) | ||
| return "time"; | ||
| if (dataType == StdDataType.DATE) | ||
| return "date"; | ||
|
|
||
| if (dataType == StdDataType.DURATION) | ||
| return "duration"; | ||
|
|
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| String domain = schema.getStdDomain(); | ||
| if (domain == null) | ||
| return null; | ||
| switch (domain) { | ||
| case "email": | ||
| return "email"; | ||
| case "url": | ||
| return "url"; | ||
| case "ipv4": | ||
| return "ipv4"; | ||
| case "ipv6": | ||
| return "ipv6"; | ||
| } | ||
| return null; | ||
| } | ||
|
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| void toMapSchema(Map<String, Object> ret) { | ||
| ret.put("type", "object"); | ||
| ret.put("additionalProperties", true); | ||
| Map<String, Object> pattern = new HashMap<>(); | ||
| pattern.put(".*", new HashMap<>()); | ||
| ret.put("patternProperties", pattern); | ||
| } | ||
| } |