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ai编程助手
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ageerle
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package com.example.demo.schema;
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import com.fasterxml.jackson.annotation.JsonInclude;
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import com.fasterxml.jackson.annotation.JsonProperty;
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import java.util.*;
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/**
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* JSON Schema definition class
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* Used to define tool parameter structure and validation rules
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*/
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@JsonInclude(JsonInclude.Include.NON_NULL)
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public class JsonSchema {
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private String type;
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private String description;
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private String pattern;
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private Number minimum;
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private Number maximum;
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private List<Object> enumValues;
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@JsonProperty("properties")
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private Map<String, JsonSchema> properties;
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@JsonProperty("required")
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private List<String> requiredFields;
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@JsonProperty("items")
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private JsonSchema items;
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// Constructor
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public JsonSchema() {}
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// Static factory methods
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public static JsonSchema object() {
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JsonSchema schema = new JsonSchema();
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schema.type = "object";
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schema.properties = new HashMap<>();
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return schema;
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}
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public static JsonSchema string(String description) {
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JsonSchema schema = new JsonSchema();
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schema.type = "string";
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schema.description = description;
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return schema;
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}
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public static JsonSchema number(String description) {
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JsonSchema schema = new JsonSchema();
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schema.type = "number";
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schema.description = description;
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return schema;
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}
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public static JsonSchema integer(String description) {
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JsonSchema schema = new JsonSchema();
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schema.type = "integer";
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schema.description = description;
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return schema;
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}
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public static JsonSchema bool(String description) {
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JsonSchema schema = new JsonSchema();
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schema.type = "boolean";
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schema.description = description;
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return schema;
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}
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public static JsonSchema array(JsonSchema items) {
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JsonSchema schema = new JsonSchema();
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schema.type = "array";
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schema.items = items;
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return schema;
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}
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public static JsonSchema array(String description, JsonSchema items) {
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JsonSchema schema = new JsonSchema();
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schema.type = "array";
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schema.description = description;
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schema.items = items;
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return schema;
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}
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// Fluent methods
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public JsonSchema addProperty(String name, JsonSchema property) {
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if (this.properties == null) {
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this.properties = new HashMap<>();
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}
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this.properties.put(name, property);
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return this;
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}
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public JsonSchema required(String... fields) {
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this.requiredFields = Arrays.asList(fields);
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return this;
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}
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public JsonSchema pattern(String pattern) {
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this.pattern = pattern;
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return this;
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}
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public JsonSchema minimum(Number minimum) {
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this.minimum = minimum;
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return this;
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}
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public JsonSchema maximum(Number maximum) {
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this.maximum = maximum;
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return this;
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}
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public JsonSchema enumValues(Object... values) {
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this.enumValues = Arrays.asList(values);
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return this;
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}
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// Getters and Setters
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public String getType() { return type; }
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public void setType(String type) { this.type = type; }
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public String getDescription() { return description; }
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public void setDescription(String description) { this.description = description; }
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public String getPattern() { return pattern; }
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public void setPattern(String pattern) { this.pattern = pattern; }
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public Number getMinimum() { return minimum; }
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public void setMinimum(Number minimum) { this.minimum = minimum; }
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public Number getMaximum() { return maximum; }
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public void setMaximum(Number maximum) { this.maximum = maximum; }
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public List<Object> getEnumValues() { return enumValues; }
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public void setEnumValues(List<Object> enumValues) { this.enumValues = enumValues; }
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public Map<String, JsonSchema> getProperties() { return properties; }
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public void setProperties(Map<String, JsonSchema> properties) { this.properties = properties; }
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public List<String> getRequiredFields() { return requiredFields; }
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public void setRequiredFields(List<String> requiredFields) { this.requiredFields = requiredFields; }
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public JsonSchema getItems() { return items; }
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public void setItems(JsonSchema items) { this.items = items; }
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}
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@@ -0,0 +1,134 @@
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package com.example.demo.schema;
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import com.fasterxml.jackson.databind.JsonNode;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.networknt.schema.JsonSchemaFactory;
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import com.networknt.schema.SpecVersion;
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import com.networknt.schema.ValidationMessage;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.stereotype.Component;
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import java.util.Set;
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import java.util.stream.Collectors;
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/**
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* JSON Schema validator
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* Used to validate tool parameters against defined schema
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*/
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@Component
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public class SchemaValidator {
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private static final Logger logger = LoggerFactory.getLogger(SchemaValidator.class);
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private final ObjectMapper objectMapper;
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private final JsonSchemaFactory schemaFactory;
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public SchemaValidator() {
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this.objectMapper = new ObjectMapper();
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this.schemaFactory = JsonSchemaFactory.getInstance(SpecVersion.VersionFlag.V7);
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}
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/**
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* Validate data against schema
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*
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* @param schema JSON Schema definition
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* @param data Data to validate
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* @return Validation error message, null means validation passed
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*/
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public String validate(JsonSchema schema, Object data) {
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try {
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// Convert custom JsonSchema to standard JSON Schema string
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String schemaJson = objectMapper.writeValueAsString(schema);
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logger.debug("Schema JSON: {}", schemaJson);
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// Create JSON Schema validator
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com.networknt.schema.JsonSchema jsonSchema = schemaFactory.getSchema(schemaJson);
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// Convert data to JsonNode
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String dataJson = objectMapper.writeValueAsString(data);
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JsonNode dataNode = objectMapper.readTree(dataJson);
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logger.debug("Data JSON: {}", dataJson);
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// Execute validation
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Set<ValidationMessage> errors = jsonSchema.validate(dataNode);
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if (errors.isEmpty()) {
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logger.debug("Schema validation passed");
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return null; // Validation passed
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} else {
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String errorMessage = errors.stream()
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.map(ValidationMessage::getMessage)
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.collect(Collectors.joining("; "));
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logger.warn("Schema validation failed: {}", errorMessage);
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return errorMessage;
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}
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} catch (Exception e) {
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String errorMessage = "Schema validation error: " + e.getMessage();
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logger.error(errorMessage, e);
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return errorMessage;
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}
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}
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/**
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* Simple type validation (fallback solution)
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* Used when JSON Schema validation fails
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*/
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public String validateSimple(JsonSchema schema, Object data) {
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if (schema == null || data == null) {
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return "Schema or data is null";
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}
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// Basic type checking
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String expectedType = schema.getType();
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if (expectedType != null) {
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String actualType = getDataType(data);
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if (!isTypeCompatible(expectedType, actualType)) {
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return String.format("Type mismatch: expected %s, got %s", expectedType, actualType);
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}
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}
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// Required field checking (only for object type)
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if ("object".equals(expectedType) && schema.getRequiredFields() != null) {
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if (!(data instanceof java.util.Map)) {
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return "Expected object type for required field validation";
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}
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@SuppressWarnings("unchecked")
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java.util.Map<String, Object> dataMap = (java.util.Map<String, Object>) data;
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for (String requiredField : schema.getRequiredFields()) {
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if (!dataMap.containsKey(requiredField) || dataMap.get(requiredField) == null) {
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return "Missing required field: " + requiredField;
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}
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}
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}
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return null; // Validation passed
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}
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private String getDataType(Object data) {
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if (data == null) return "null";
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if (data instanceof String) return "string";
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if (data instanceof Integer || data instanceof Long) return "integer";
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if (data instanceof Number) return "number";
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if (data instanceof Boolean) return "boolean";
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if (data instanceof java.util.List) return "array";
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if (data instanceof java.util.Map) return "object";
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return "unknown";
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}
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private boolean isTypeCompatible(String expectedType, String actualType) {
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if (expectedType.equals(actualType)) {
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return true;
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}
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// Number type compatibility
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if ("number".equals(expectedType) && "integer".equals(actualType)) {
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return true;
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}
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return false;
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}
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}
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