FlowConfigurationLoader.java

/*
 * Copyright (c) 2026 Nidhal Ben Yarou
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */
package dev.flowrunner.validation;

import dev.flowrunner.properties.FlowProperties;
import lombok.RequiredArgsConstructor;
import org.jspecify.annotations.NonNull;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.ApplicationArguments;
import org.springframework.boot.ApplicationRunner;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBooleanProperty;
import org.springframework.stereotype.Component;

@Component
@RequiredArgsConstructor
@ConditionalOnBooleanProperty(name = "flowrunner.flow.validate-on-startup", matchIfMissing = true)
public class FlowConfigurationLoader implements ApplicationRunner {

    private final ObjectProvider<PostLoadConfigurationVisitor> postLoadConfiguration;
    private final ObjectProvider<PreLoadConfigurationVisitor> preLoadConfiguration;
    private final FlowConfigurationValidator flowConfigurationValidator;
    private final FlowProperties flowProperties;

    @Override
    public void run(@NonNull ApplicationArguments args) {
        preLoadConfiguration.orderedStream().forEach(hook -> hook.preLoadConfiguration(flowProperties.configuration()));

        flowConfigurationValidator.validate();

        postLoadConfiguration
                .orderedStream()
                .forEach(hook -> hook.postLoadConfiguration(flowProperties.configuration()));
    }
}