org.yx.http.kit.InnerHttpUtil Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of sumk Show documentation
A quick developing framewort for internet company
There is a newer version: 4.0.2
/**
 * 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.kit;

import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.Charset;
import java.util.Objects;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.yx.common.ActStatis;
import org.yx.common.sumk.UnsafeByteArrayOutputStream;
import org.yx.conf.AppInfo;
import org.yx.http.HttpErrorCode;
import org.yx.log.Logs;

public final class InnerHttpUtil {
	private static HttpKit kit = new DefaultHttpKit();

	public static HttpKit getKit() {
		return kit;
	}

	public static void setKit(HttpKit kit) {
		InnerHttpUtil.kit = Objects.requireNonNull(kit);
	}

	public static byte[] extractData(InputStream in, int expectSize) throws IOException {
		int count = 0;
		int n = 0;
		expectSize = kit.expectReqDataSize(expectSize);
		if (Logs.http().isTraceEnabled()) {
			Logs.http().trace("expect request content length: {}", expectSize);
		}
		byte[] temp = new byte[512];
		@SuppressWarnings("resource")
		UnsafeByteArrayOutputStream output = new UnsafeByteArrayOutputStream(expectSize);
		while (-1 != (n = in.read(temp))) {
			output.write(temp, 0, n);
			count += n;
			if (count > HttpSettings.maxHttpBody()) {
				throw HttpException.create(HttpErrorCode.BODY_TOO_BIG, "请求数据太长");
			}
		}
		byte[] bs = output.extractHttpBodyData();
		output.close();
		return bs;
	}

	public static Charset charset(HttpServletRequest req) {
		return kit.charset(req);
	}

	public static void noCache(HttpServletResponse resp) {
		kit.noCache(resp);
	}

	public static void record(String act, long time, boolean isSuccess) {
		kit.record(act, time, isSuccess);
	}

	public static ActStatis getActStatic() {
		return kit.actStatis();
	}

	public static boolean checkGetMethod(HttpServletResponse resp) throws IOException {
		if (AppInfo.getBoolean("sumk.http.get.enable", true)) {
			return true;
		}
		Logs.http().info("get方法被禁用了");
		resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED, "not allowd");
		return false;
	}

	public static void sendError(HttpServletResponse resp, int code, String message, Charset charset) {
		try {
			kit.sendError(resp, code, message, charset);
		} catch (IOException e) {
			Logs.http().error(e.getLocalizedMessage(), e);
		}
	}

	public static void setRespHeader(HttpServletResponse resp, Charset charset) throws IOException {
		kit.setRespHeader(resp, charset);
	}

}