support JSONSchema from class

Author: wenshao

core/src/main/java/com/alibaba/fastjson2/reader/ObjectReaderAdapter.java

@@ -9,6 +9,7 @@
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Type;
 import java.util.*;
+import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.function.Supplier;
 
@@ -216,6 +217,12 @@ public FieldReader[] getFieldReaders() {
         return Arrays.copyOf(this.fieldReaders, this.fieldReaders.length);
     }
 
+    public void apply(Consumer<FieldReader> fieldReaderConsumer) {
+        for (FieldReader fieldReader : fieldReaders) {
+            fieldReaderConsumer.accept(fieldReader);
+        }
+    }
+
     public Object auoType(JSONReader jsonReader, Class expectClass, long features) {
         long typeHash = jsonReader.readTypeHashCode();
         JSONReader.Context context = jsonReader.getContext();

core/src/main/java/com/alibaba/fastjson2/schema/ArraySchema.java

@@ -17,7 +17,7 @@ public final class ArraySchema
 
     final int maxLength;
     final int minLength;
-    final JSONSchema itemSchema;
+    JSONSchema itemSchema;
     final JSONSchema[] prefixItems;
     final boolean additionalItems;
     final JSONSchema additionalItem;
@@ -440,20 +440,61 @@ public ValidateResult validate(Object value) {
         return typed ? FAIL_TYPE_NOT_MATCH : SUCCESS;
     }
 
-    @Override
-    public boolean equals(Object o) {
-        if (this == o) {
-            return true;
+    public JSONObject toJSONObject() {
+        JSONObject object = new JSONObject();
+        object.put("type", "array");
+
+        if (maxLength != -1) {
+            object.put("maxLength", maxLength);
         }
-        if (o == null || getClass() != o.getClass()) {
-            return false;
+
+        if (minLength != -1) {
+            object.put("minLength", minLength);
         }
-        com.alibaba.fastjson2.schema.ArraySchema that = (com.alibaba.fastjson2.schema.ArraySchema) o;
-        return Objects.equals(title, that.title) && Objects.equals(description, that.description);
-    }
 
-    @Override
-    public int hashCode() {
-        return Objects.hash(title, description);
+        if (itemSchema != null) {
+            object.put("items", itemSchema);
+        }
+
+        if (prefixItems != null && prefixItems.length != 0) {
+            object.put("prefixItems", prefixItems);
+        }
+
+        if (!additionalItems) {
+            object.put("additionalItems", additionalItems);
+        }
+
+        if (additionalItem != null) {
+            object.put("additionalItem", additionalItem);
+        }
+
+        if (contains != null) {
+            object.put("contains", contains);
+        }
+
+        if (minContains != -1) {
+            object.put("minContains", minContains);
+        }
+
+        if (maxContains != -1) {
+            object.put("maxContains", maxContains);
+        }
+
+        if (uniqueItems) {
+            object.put("uniqueItems", uniqueItems);
+        }
+
+        if (allOf != null) {
+            object.put("allOf", allOf);
+        }
+
+        if (anyOf != null) {
+            object.put("anyOf", anyOf);
+        }
+
+        if (oneOf != null) {
+            object.put("oneOf", oneOf);
+        }
+        return object;
     }
 }

core/src/main/java/com/alibaba/fastjson2/schema/BooleanSchema.java

@@ -2,8 +2,6 @@
 
 import com.alibaba.fastjson2.JSONObject;
 
-import java.util.Objects;
-
 final class BooleanSchema
         extends JSONSchema {
     BooleanSchema(JSONObject input) {
@@ -29,19 +27,7 @@ public ValidateResult validate(Object value) {
     }
 
     @Override
-    public boolean equals(Object o) {
-        if (this == o) {
-            return true;
-        }
-        if (o == null || getClass() != o.getClass()) {
-            return false;
-        }
-        com.alibaba.fastjson2.schema.BooleanSchema that = (com.alibaba.fastjson2.schema.BooleanSchema) o;
-        return Objects.equals(title, that.title) && Objects.equals(description, that.description);
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(title, description);
+    public JSONObject toJSONObject() {
+        return JSONObject.of("type", "boolean");
     }
 }

core/src/main/java/com/alibaba/fastjson2/schema/IntegerSchema.java

@@ -5,7 +5,6 @@
 
 import java.math.BigDecimal;
 import java.math.BigInteger;
-import java.util.Objects;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.atomic.AtomicLong;
 
@@ -265,25 +264,27 @@ public ValidateResult validate(Integer value) {
     }
 
     @Override
-    public boolean equals(Object o) {
-        if (this == o) {
-            return true;
+    public JSONObject toJSONObject() {
+        JSONObject object = new JSONObject();
+
+        object.put("type", "integer");
+
+        if (minimum != Long.MIN_VALUE) {
+            object.put(exclusiveMinimum ? "exclusiveMinimum" : "minimum", minimum);
         }
-        if (o == null || getClass() != o.getClass()) {
-            return false;
+
+        if (maximum != Long.MIN_VALUE) {
+            object.put(exclusiveMaximum ? "exclusiveMaximum" : "maximum", maximum);
         }
-        com.alibaba.fastjson2.schema.IntegerSchema that = (com.alibaba.fastjson2.schema.IntegerSchema) o;
-        return Objects.equals(title, that.title)
-                && Objects.equals(description, that.description)
-                && Objects.equals(minimum, that.minimum)
-                && Objects.equals(exclusiveMinimum, that.exclusiveMinimum)
-                && Objects.equals(maximum, that.maximum)
-                && Objects.equals(exclusiveMaximum, that.exclusiveMaximum)
-                && Objects.equals(multipleOf, that.multipleOf);
-    }
 
-    @Override
-    public int hashCode() {
-        return Objects.hash(title, description, minimum, exclusiveMinimum, maximum, exclusiveMaximum, multipleOf);
+        if (multipleOf != 0) {
+            object.put("multipleOf", multipleOf);
+        }
+
+        if (constValue != null) {
+            object.put("const", constValue);
+        }
+
+        return object;
     }
 }