import javax.sip.header.HeaderFactory; //导入依赖的package包/类
public Request makeRequest(SipManager sipManager, long cseqNumber, int expiresTime) throws ParseException, InvalidArgumentException {

		AddressFactory addressFactory = sipManager.addressFactory;
		SipProvider sipProvider = sipManager.sipProvider;
		MessageFactory messageFactory = sipManager.messageFactory;
		HeaderFactory headerFactory = sipManager.headerFactory;
		// Create addresses and via header for the request
		Address fromAddress = addressFactory.createAddress("sip:"+ SipManager.sipUserName + "@"+ SipManager.registrarIp);
		fromAddress.setDisplayName(SipManager.sipUserName);
		Address toAddress = addressFactory.createAddress("sip:"	+ SipManager.sipUserName + "@"	+ SipManager.registrarIp);
		toAddress.setDisplayName(SipManager.sipUserName);
		Address contactAddress = sipManager.createContactAddress();
		ArrayList<ViaHeader> viaHeaders = sipManager.createViaHeader();
		URI requestURI = addressFactory.createAddress("sip:" + SipManager.registrarIp).getURI();
		// Build the request
		final Request request = messageFactory.createRequest(requestURI,
				Request.REGISTER, sipProvider.getNewCallId(),
				headerFactory.createCSeqHeader(cseqNumber, Request.REGISTER),
				headerFactory.createFromHeader(fromAddress, "c3ff411e"),
				headerFactory.createToHeader(toAddress, null), viaHeaders,
				headerFactory.createMaxForwardsHeader(70));
		// Add the contact header
		request.addHeader(headerFactory.createContactHeader(contactAddress));
		ExpiresHeader eh = headerFactory.createExpiresHeader(expiresTime);
		request.addHeader(eh);
		// Print the request
		System.out.println(request.toString());
		return request;
	}
 

import javax.sip.header.HeaderFactory; //导入依赖的package包/类
/**
 * Default constructor for the security manager. There is one Account manager. There is one
 * SipSecurity manager for every user name,
 *
 * @param sipStack -- our stack.
 * @param accountManager -- an implementation of the AccountManager interface.
 * @param headerFactory -- header factory.
 */
public AuthenticationHelperImpl(SIPTransactionStack sipStack, AccountManager accountManager,
        HeaderFactory headerFactory) {
    this.accountManager = accountManager;
    this.headerFactory = headerFactory;
    this.sipStack = sipStack;

    this.cachedCredentials = new CredentialsCache(((SIPTransactionStack) sipStack).getTimer());
}
 

import javax.sip.header.HeaderFactory; //导入依赖的package包/类
public void generateChallenge(HeaderFactory headerFactory, Response response, String realm  ) {
    try {
        ProxyAuthenticateHeader proxyAuthenticate = headerFactory
                .createProxyAuthenticateHeader(DEFAULT_SCHEME);
        proxyAuthenticate.setParameter("realm", realm);
        proxyAuthenticate.setParameter("nonce", generateNonce());
        proxyAuthenticate.setParameter("opaque", "");
        proxyAuthenticate.setParameter("stale", "FALSE");
        proxyAuthenticate.setParameter("algorithm", DEFAULT_ALGORITHM);
        response.setHeader(proxyAuthenticate);
    } catch (Exception ex) {
        InternalErrorHandler.handleException(ex);
    }

}
 

import javax.sip.header.HeaderFactory; //导入依赖的package包/类
protected void addStatus(HeaderFactory headerFactory, Request request) {
    try {
        Header extension = headerFactory.createHeader(EXTENSION_HDR,
                new Integer(counter++).toString());
        request.addHeader(extension);
    } catch (ParseException ex) {
        // do nothing
    }
}
 

import javax.sip.header.HeaderFactory; //导入依赖的package包/类
public void generateChallenge(HeaderFactory headerFactory, Response response, String realm  ) {
    try {
        WWWAuthenticateHeader wwwAuthenticateHeader = headerFactory.createWWWAuthenticateHeader(DEFAULT_SCHEME);
        wwwAuthenticateHeader.setParameter("realm", realm);
        wwwAuthenticateHeader.setParameter("nonce", generateNonce());
        //wwwAuthenticateHeader.setParameter("opaque", "");
        //wwwAuthenticateHeader.setParameter("stale", "FALSE");
        wwwAuthenticateHeader.setParameter("algorithm", DEFAULT_ALGORITHM);
        response.setHeader(wwwAuthenticateHeader);
    } catch (Exception ex) {
        InternalErrorHandler.handleException(ex);
    }

}
 

import javax.sip.header.HeaderFactory; //导入依赖的package包/类
public Request makeRequest(SipManager sipManager, long cseqNumber, int expiresTime) throws ParseException, InvalidArgumentException {

		AddressFactory addressFactory = sipManager.addressFactory;
		SipProvider sipProvider = sipManager.sipProvider;
		MessageFactory messageFactory = sipManager.messageFactory;
		HeaderFactory headerFactory = sipManager.headerFactory;
		
		// Create addresses and via header for the request
		Address fromAddress = addressFactory.createAddress("sip:"+ SipManager.sipUserName + "@"+ SipManager.registrarIp);
		fromAddress.setDisplayName(SipManager.sipUserName);
		Address toAddress = addressFactory.createAddress("sip:"	+ SipManager.sipUserName + "@"	+ SipManager.registrarIp);
		toAddress.setDisplayName(SipManager.sipUserName);
		Address contactAddress = sipManager.createContactAddress();
		ArrayList<ViaHeader> viaHeaders = sipManager.createViaHeader();
		URI requestURI = addressFactory.createAddress("sip:" + SipManager.registrarIp).getURI();
		
		// Build the request
		final Request request = messageFactory.createRequest(requestURI,
				Request.REGISTER, sipProvider.getNewCallId(),
				headerFactory.createCSeqHeader(cseqNumber, Request.REGISTER),
				headerFactory.createFromHeader(fromAddress, "c3ff411e"),
				headerFactory.createToHeader(toAddress, null), viaHeaders,
				headerFactory.createMaxForwardsHeader(70));
		
		// Add the contact header
		request.addHeader(headerFactory.createContactHeader(contactAddress));
		ExpiresHeader eh = headerFactory.createExpiresHeader(expiresTime);
		request.addHeader(eh);
		
		// Print the request
		System.out.println(request.toString());
		return request;
	}
 

import javax.sip.header.HeaderFactory; //导入依赖的package包/类
public AuthenticationHelper getAuthenticationHelper(
		AccountManager accountManager, HeaderFactory headerFactory) {
	return new AuthenticationHelperImpl(this, accountManager, headerFactory);
}
 

import javax.sip.header.HeaderFactory; //导入依赖的package包/类
public AuthenticationHelper getSecureAuthenticationHelper(
		SecureAccountManager accountManager, HeaderFactory headerFactory) {
	return new AuthenticationHelperImpl(this, accountManager, headerFactory);
}
 

import javax.sip.header.HeaderFactory; //导入依赖的package包/类
public TestCall(String localTag, SipProvider sipProvider, HeaderFactory headerFactory, MessageFactory messageFactory) {
	this.localTag = localTag;
	this.sipProvider = sipProvider;
	this.messageFactory = messageFactory;
	this.headerFactory = headerFactory;
}
 

import javax.sip.header.HeaderFactory; //导入依赖的package包/类
public HeaderFactory getHeaderFactory() {
    return headerFactory;
}
 

import javax.sip.header.HeaderFactory; //导入依赖的package包/类
/**
 * To use a custom HeaderFactory
 */
public void setHeaderFactory(HeaderFactory headerFactory) {
    this.headerFactory = headerFactory;
}
 

import javax.sip.header.HeaderFactory; //导入依赖的package包/类
/**
 * Get the authentication helper.
 *
 *
 * @param accountManager -- account manager (for fetching credentials).
 * @param headerFactory -- header factory.
 *
 * @return - the authentication helper which can be used for generating the appropriate
 *         headers for handling authentication challenges for user agents.
 *
 * @since 2.0
 */
public AuthenticationHelper getAuthenticationHelper(AccountManager accountManager,
                                                    HeaderFactory headerFactory);
 

import javax.sip.header.HeaderFactory; //导入依赖的package包/类
/**
 * Get the authentication helper.
 *
 *
 * @param accountManager -- account manager (for fetching credentials).
 * @param headerFactory -- header factory.
 *
 * @return - the authentication helper which can be used for generating the appropriate
 *         headers for handling authentication challenges for user agents.
 *
 * @since 2.0
 */
public AuthenticationHelper getSecureAuthenticationHelper(SecureAccountManager accountManager,
                                                          HeaderFactory headerFactory);