package com.genersoft.iot.vmp.gb28181.utils;
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import gov.nist.javax.sip.address.AddressImpl;
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import gov.nist.javax.sip.address.SipUri;
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import gov.nist.javax.sip.header.Subject;
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import javax.sip.header.FromHeader;
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import javax.sip.header.Header;
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import javax.sip.message.Request;
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/**
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* @author panlinlin
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* @version 1.0.0
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* @description JAIN SIP的工具类
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* @createTime 2021年09月27日 15:12:00
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*/
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public class SipUtils {
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public static String getUserIdFromFromHeader(Request request) {
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FromHeader fromHeader = (FromHeader)request.getHeader(FromHeader.NAME);
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return getUserIdFromFromHeader(fromHeader);
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}
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/**
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* 从subject读取channelId
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* */
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public static String getChannelIdFromHeader(Request request) {
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Header subject = request.getHeader("subject");
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if (subject == null) return null;
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return ((Subject) subject).getSubject().split(":")[0];
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}
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public static String getUserIdFromFromHeader(FromHeader fromHeader) {
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AddressImpl address = (AddressImpl)fromHeader.getAddress();
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SipUri uri = (SipUri) address.getURI();
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return uri.getUser();
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}
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}
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