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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alipay.sofa.ark.bootstrap;

import com.alipay.sofa.ark.loader.jar.Handler;

import java.net.URL;
import java.util.Enumeration;

/**
 *
 * @author ruoshan
 * @since 0.1.0
 */
public class UseFastConnectionExceptionsEnumeration implements Enumeration {

    private final Enumeration delegate;

    public UseFastConnectionExceptionsEnumeration(Enumeration delegate) {
        this.delegate = delegate;
    }

    @Override
    public boolean hasMoreElements() {
        Handler.setUseFastConnectionExceptions(true);
        try {
            return this.delegate.hasMoreElements();
        } finally {
            Handler.setUseFastConnectionExceptions(false);
        }

    }

    @Override
    public URL nextElement() {
        Handler.setUseFastConnectionExceptions(true);
        try {
            return this.delegate.nextElement();
        } finally {
            Handler.setUseFastConnectionExceptions(false);
        }
    }
}