cc.shacocloud.mirage.restful.HandlerExceptionResolverComposite Maven / Gradle / Ivy

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package cc.shacocloud.mirage.restful;

import cc.shacocloud.mirage.utils.FutureUtils;
import cc.shacocloud.mirage.utils.collection.SelfSortList;
import cc.shacocloud.mirage.utils.comparator.AnnotationOrderComparator;
import io.vertx.core.Future;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;

/**
 * 基于{@link HandlerExceptionResolver}实现的聚合类，它委托给其他的{@link HandlerExceptionResolver}执行
 */
public class HandlerExceptionResolverComposite implements HandlerExceptionResolver {
    
    private final List exceptionResolvers = new SelfSortList<>(AnnotationOrderComparator.INSTANCE::getOrder);
    
    /**
     * 设置要委托给的异常解析器列表
     */
    public void addExceptionResolvers(HandlerExceptionResolver... exceptionResolvers) {
        addExceptionResolvers(Arrays.asList(exceptionResolvers));
    }
    
    /**
     * 设置要委托给的异常解析器列表
     */
    public void addExceptionResolvers(List exceptionResolvers) {
        this.exceptionResolvers.addAll(exceptionResolvers);
    }
    
    /**
     * 返回要委托的异常解析器列表
     */
    public List getExceptionResolvers() {
        return Collections.unmodifiableList(this.exceptionResolvers);
    }
    
    /**
     * 通过遍历已配置的异常解析器列表来解析异常
     */
    @Override
    public Future