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/*
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* 版权所有 (C) 2015 知启蒙(ZHIQIM) 保留所有权利。[遇见知启蒙，邂逅框架梦]
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*
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* 知启蒙WEB容器（zhiqim_httpd）在LGPL3.0协议下开源：https://www.zhiqim.com/gitcan/zhiqim/zhiqim_httpd.htm
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*
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* This file is part of [zhiqim_httpd].
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*
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* [zhiqim_httpd] is free software: you can redistribute
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* it and/or modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* [zhiqim_httpd] is distributed in the hope that it will
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* be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with [zhiqim_httpd].
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.zhiqim.httpd;
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import java.util.ArrayList;
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import java.util.List;
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import org.zhiqim.httpd.bio.HttpBioListener;
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import org.zhiqim.httpd.bio.HttpBioSslListener;
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import org.zhiqim.httpd.nio.HttpNioListener;
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import org.zhiqim.httpd.nio.HttpNioSslListener;
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import org.zhiqim.kernel.Global;
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import org.zhiqim.kernel.Servicer;
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import org.zhiqim.kernel.config.Group;
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import org.zhiqim.kernel.extend.HashSetS;
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import org.zhiqim.kernel.logging.Log;
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import org.zhiqim.kernel.logging.LogFactory;
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import org.zhiqim.kernel.util.Arrays;
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import org.zhiqim.kernel.util.Asserts;
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import org.zhiqim.kernel.util.Classes;
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import org.zhiqim.kernel.util.Validates;
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/**
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* HTTP多例服务，负责启动和关闭: <br><br>
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* 1、初始化AIO/BIO/NIO监听服务<br>
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* 2、加载和配置上下文环境 <br>
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*
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* @version v1.0.0 @author zouzhigang 2014-3-21 新建与整理
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*/
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public class HttpServer extends Servicer implements HttpdConstants
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{
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private static final Log log = LogFactory.getLog(HttpServer.class);
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private boolean isRunning; //是否运行
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private HttpListener listener; //HTTP监听器
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private final List<HttpContext> contextList; //HTTP上下文环境表
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/*********************************************************************************/
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//配置创建HTTP服务
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/*********************************************************************************/
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public HttpServer()
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{
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this.contextList = new ArrayList<>();
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}
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public boolean isRunning()
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{
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return isRunning;
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}
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@Override
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public boolean create() throws Exception
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{
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//1.诊断参数
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Group group = Global.getGroup(id);
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Asserts.as(group != null?null:"HTTP服务[%s]未找到整个配置组", id);
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log.info("初始化[HTTP服务:%s]开始...", id);
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//2、初始化上下文环境
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String contexts = group.getString(_SERVER_CONTEXT_);
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Asserts.as(Validates.isNotEmptyBlank(contexts)?null:"HTTP服务["+id+"]未找到[context]配置项");
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//3、初始化监听器
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String scheme = group.getString(_LISTEN_SCHEME_, _HTTP_);
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String io = group.getString(_LISTEN_IO_, _BIO_);
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if (_HTTPS_.equalsIgnoreCase(scheme))
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{
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if (_NIO_.equalsIgnoreCase(io))
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listener = new HttpNioSslListener(this);
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else
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listener = new HttpBioSslListener(this);
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}
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else
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{
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if (_NIO_.equalsIgnoreCase(io))
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listener = new HttpNioListener(this);
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else
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listener = new HttpBioListener(this);
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}
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listener.setGroup(group);
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listener.open();
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//4、初始化上下文环境
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String[] contextArr = Arrays.toStringArray(contexts);
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for (String contextId : contextArr)
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{
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Group cGroup = Global.getGroup(contextId);
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Asserts.as(cGroup != null?null:"HTTP服务["+id+"]未找到context["+contextId+"]配置项");
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String contextClass = cGroup.getString(_CONTEXT_CLASS_, _HTTP_CONTEXT_CLASS_);
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Object obj = Classes.newInstance(contextClass);
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Asserts.as((obj instanceof HttpContext)?null:"HTTP服务["+id+"]context["+contextId+"]的[class]配置项未实现HttpContext接口");
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HttpContext context = (HttpContext)obj;
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context.setServer(this);
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if (!context.create(cGroup))
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return false;
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contextList.add(context);
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}
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isRunning = true;
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log.info("初始化[HTTP服务:%s]"+this.listener.toString()+"完成!!!%s", id, _BR_);
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return true;
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}
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@Override
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public void destroy() throws Exception
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{
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isRunning = false;
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if (listener != null)
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{
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listener.close();
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listener = null;
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}
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for (HttpContext context : contextList)
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{
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if (context.isRunning())
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context.destroy();
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}
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}
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/***************************************************************************************************/
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//手动创建服务 设置三个参数 domain & host & encoding 和 设置 listen & context 再setRunning()
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/***************************************************************************************************/
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public void setRunning()
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{
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this.isRunning = true;
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}
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public void addContext(HttpContext context)
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{
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//检查是否有相同的配置
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context.setServer(this);
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chkContextDomainPath(context.getContextDomains(), context.getContextPath());
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//通过后放置到列表中
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contextList.add(context);
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}
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public void removeContext(HttpContext context)
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{
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try
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{
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context.destroy();
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contextList.remove(context);
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}
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catch (Exception e)
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{
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log.error("移除上下文环境时异常", e);
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}
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}
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public void removeContext(String contextId)
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{
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HttpContext context = getContext(contextId);
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if (context == null)
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return;
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removeContext(context);
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}
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/** 检查域名和路径是否存在相同的配置 */
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public void chkContextDomainPath(HashSetS domains, String path)
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{
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if (domains.isEmpty())
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{//未配置域名
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for (HttpContext ctx : contextList)
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{
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if (!ctx.getContextDomains().isEmpty())
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continue;
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if (!ctx.getContextPath().equals(path))
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continue;
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throw Asserts.exception("存在相同的上下文环境配置[%s]", ctx.getContextPath());
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}
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}
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else
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{//有配置域名
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for (HttpContext ctx : contextList)
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{
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HashSetS ds = ctx.getContextDomains();
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if (ds.isEmpty())
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continue;
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if (!ctx.getContextPath().equals(path))
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continue;
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for (String d : domains.instance())
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{
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if (!ds.contains(d))
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continue;
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//只要有一个成立则表示有相同
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throw Asserts.exception("存在相同的上下文环境配置[%s][%s]", d, ctx.getContextPath());
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}
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}
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}
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}
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/*********************************************************************************/
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//获取 & 配对 listen, context, scheme, port, domain, host, encoding
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/*********************************************************************************/
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public HttpListener getListener()
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{
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return listener;
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}
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public List<HttpContext> getContextList()
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{
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return contextList;
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}
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public HttpContext getContext(String contextId)
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{
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Asserts.as(contextId != null?null:"上下文环境路径不能为空");
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for (HttpContext context : contextList)
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{
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if (contextId.equals(context.getId()))
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return context;
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}
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return null;
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}
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public HttpContext getContext(String contextDomain, String contextPath)
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{
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Asserts.as(contextPath != null?null:"上下文环境路径不能为空");
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if (!Validates.isEmptyBlank(contextDomain))
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{//1.域名不为空，优先找匹配上的
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for (HttpContext context : contextList)
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{
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HashSetS domains = context.getContextDomains();
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if (domains.isEmpty())
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continue;
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if (domains.contains(contextDomain) && contextPath.equals(context.getContextPath()))
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return context;
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}
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}
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//2.再找缺省未配置域名的，只比较上下文环境路径
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for (HttpContext context : contextList)
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{
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if (!context.getContextDomains().isEmpty())
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continue;
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if (contextPath.equals(context.getContextPath()))
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return context;
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}
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return null;
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}
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public int getPort()
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{
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return listener.getPort();
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}
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public String getScheme()
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{
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return listener.getScheme();
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}
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}
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