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A quick developing framewort for internet company

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/**
 * Copyright (C) 2016 - 2030 youtongluan.
 *
 * Licensed 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 org.yx.http.handler;

import java.util.List;

import org.slf4j.Logger;
import org.yx.log.Log;

public final class HttpHandlerChain implements HttpHandler {

	private Logger LOG = Log.get("sumk.http.chain");
	private HttpHandler[] handlers;

	public static final HttpHandlerChain inst = new HttpHandlerChain();
	public static final HttpHandlerChain multipart = new HttpHandlerChain();

	private HttpHandlerChain() {

	}

	public void setHandlers(List handlers) {
		this.handlers = handlers.toArray(new HttpHandler[0]);
	}

	@Override
	public void handle(WebContext ctx) throws Throwable {
		try {
			for (HttpHandler h : this.handlers) {
				if (h.order() < ctx.getLowestOrder()) {
					continue;
				}
				if (LOG.isTraceEnabled()) {
					if (String.class.isInstance(ctx.data())) {
						String s = ((String) ctx.data());
						LOG.trace("{} - {} with data:{}", ctx.rawAct(), h.getClass().getSimpleName(), s);
					}
				}
				h.handle(ctx);
			}
		} finally {
			MultipartHolder.remove();
		}
	}
}