org.openapitools.codegen.config.DynamicSettings Maven / Gradle / Ivy

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package org.openapitools.codegen.config;

import com.fasterxml.jackson.annotation.JsonAnySetter;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonUnwrapped;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;

import java.lang.reflect.Field;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

/**
 * Represents a serialization helper of {@link GeneratorSettings} and {@link WorkflowSettings}. When used to deserialize any available Jackson binding input,
 * this will accumulate any "unknown properties" into {@link GeneratorSettings#getAdditionalProperties()} as a side effect of calling
 * {@link DynamicSettings#getGeneratorSettings()}.
 */
@SuppressWarnings({"unused", "WeakerAccess"})
public class DynamicSettings {
    @JsonAnySetter
    private Map dynamicProperties = new HashMap<>();

    @JsonUnwrapped
    @JsonDeserialize(builder = GeneratorSettings.Builder.class)
    private GeneratorSettings generatorSettings;

    @JsonUnwrapped
    @JsonDeserialize(builder = WorkflowSettings.Builder.class)
    private WorkflowSettings workflowSettings;

    /**
     * Gets the {@link GeneratorSettings} included in the config object.
     *
     * @return A new instance of settings
     */
    public GeneratorSettings getGeneratorSettings() {
        excludeSettingsFromDynamicProperties();
        GeneratorSettings.Builder builder = GeneratorSettings.newBuilder(generatorSettings);

        // This allows us to put any unknown top-level properties into additionalProperties of the generator object.
        for (Map.Entry entry : dynamicProperties.entrySet()) {
            builder.withAdditionalProperty(entry.getKey(), entry.getValue());
        }

        return builder.build();
    }

    /**
     * Gets the {@link WorkflowSettings} included in the config object.
     *
     * @return A new instance of settings
     */
    public WorkflowSettings getWorkflowSettings() {
        excludeSettingsFromDynamicProperties();
        return WorkflowSettings.newBuilder(workflowSettings)
                .build();
    }

    @JsonCreator
    public DynamicSettings() { }

    /**
     * Gets all "custom" properties included in the config object.
     *
     * @return All user-specified custom properties.
     */
    public Map getDynamicProperties() {
        return dynamicProperties;
    }

    private void excludeSettingsFromDynamicProperties(){
        Set fieldNames = new HashSet<>();
        for (Field field : GeneratorSettings.class.getDeclaredFields()) {
            fieldNames.add(field.getName());
        }
        for (Field field : WorkflowSettings.class.getDeclaredFields()) {
            fieldNames.add(field.getName());
        }
        dynamicProperties.keySet().removeAll(fieldNames);
    }
}