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第 1 页 共 12 页 时光可见 总结编写----sip 学习
网站上关于基于 sip 的 java 编程实例实在是太少了,这个严重影响了 sip 的传播和发展,所
以我上传了这个小实验,让大家参考下。
在做实验前,我们需要一些东西:
我的环境:
XP
Eclipse
需要包:
这个需要在网上自己找,或者 hi 我,我也可以给你们哈。----百度账号:时光可见
好了,现在看程序了哈,主要是三个文件。
MessageProcessor.java :
public interface MessageProcessor
{
public void processMessage(String sender, String message);
public void processError(String errorMessage);
public void processInfo(String infoMessage);
}
SipLayer.java :
import java.text.ParseException;
import java.util.*;
import javax.sip.*;
import javax.sip.address.*;
import javax.sip.header.*;
import javax.sip.message.*;
public class SipLayer implements SipListener {
private MessageProcessor messageProcessor;
private String username;
private SipStack sipStack;
private SipFactory sipFactory;
第 2 页 共 12 页 时光可见 总结编写----sip 学习
private AddressFactory addressFactory;
private HeaderFactory headerFactory;
private MessageFactory messageFactory;
private SipProvider sipProvider;
/** Here we initialize the SIP stack. */
public SipLayer(String username, String ip, int port)
throws PeerUnavailableException, TransportNotSupportedException,
InvalidArgumentException, ObjectInUseException,
TooManyListenersException {
setUsername(username);
sipFactory = SipFactory.getInstance();
sipFactory.setPathName("gov.nist");
Properties properties = new Properties();
properties.setProperty("javax.sip.STACK_NAME", "TextClient");
properties.setProperty("javax.sip.IP_ADDRESS", ip);
// DEBUGGING: Information will go to files
// textclient.log and textclientdebug.log
properties.setProperty("gov.nist.javax.sip.TRACE_LEVEL", "32");
properties.setProperty("gov.nist.javax.sip.SERVER_LOG", "textclient.txt");
properties.setProperty("gov.nist.javax.sip.DEBUG_LOG", "textclientdebug.log");
sipStack = sipFactory.createSipStack(properties);
headerFactory = sipFactory.createHeaderFactory();
addressFactory = sipFactory.createAddressFactory();
messageFactory = sipFactory.createMessageFactory();
// ListeningPoint tcp = sipStack.createListeningPoint(port, "tcp");
ListeningPoint udp = sipStack.createListeningPoint(port, "udp");
// sipProvider = sipStack.createSipProvider(tcp);
// sipProvider.addSipListener(this);
// suppose UDP is used as transport, Bob Cheng, 03-11-10
sipProvider = sipStack.createSipProvider(udp);
sipProvider.addSipListener(this);
}
/**
第 3 页 共 12 页 时光可见 总结编写----sip 学习
* This method uses the SIP stack to send a message.
*/
public void sendMessage(String to, String message) throws ParseException,
InvalidArgumentException, SipException {
SipURI from = addressFactory.createSipURI(getUsername(), getHost() + ":" +
getPort());
Address fromNameAddress = addressFactory.createAddress(from);
fromNameAddress.setDisplayName(getUsername());
FromHeader fromHeader = headerFactory.createFromHeader(fromNameAddress,
"textclientv1.0");
String username = to.substring(to.indexOf(":") + 1, to.indexOf("@"));
String address = to.substring(to.indexOf("@") + 1);
SipURI toAddress = addressFactory.createSipURI(username, address);
Address toNameAddress = addressFactory.createAddress(toAddress);
toNameAddress.setDisplayName(username);
ToHeader toHeader = headerFactory.createToHeader(toNameAddress, null);
SipURI requestURI = addressFactory.createSipURI(username, address);
requestURI.setTransportParam("udp");
ArrayList<ViaHeader> viaHeaders = new ArrayList<ViaHeader>();
ViaHeader viaHeader = headerFactory.createViaHeader(getHost(), getPort(), "udp",
"branch1");
viaHeaders.add(viaHeader);
CallIdHeader callIdHeader = sipProvider.getNewCallId();
CSeqHeader cSeqHeader = headerFactory.createCSeqHeader(1, Request.MESSAGE);
MaxForwardsHeader maxForwards = headerFactory.createMaxForwardsHeader(70);
Request request = messageFactory.createRequest(requestURI,
Request.MESSAGE, callIdHeader, cSeqHeader, fromHeader,
toHeader, viaHeaders, maxForwards);
SipURI contactURI = addressFactory.createSipURI(getUsername(), getHost());
contactURI.setPort(getPort());
Address contactAddress = addressFactory.createAddress(contactURI);
contactAddress.setDisplayName(getUsername());
ContactHeader contactHeader = headerFactory.createContactHeader(contactAddress);
request.addHeader(contactHeader);
剩余11页未读,继续阅读
资源评论
- xiyuliuguang2742014-04-15例子不错完整
- wjc198712222011-10-27东西很好,就是没带开发包,BAIDU加你了,可以给我发一份吗?
yuhuayiyu
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