我正在我的应用程序中使用 ASMACK 库。我从我的服务器收到以下 IQ。
<iq id='bind_2' type='result'><bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'><jid username='xx' fullname='yy'>[email protected] /cdn-cgi/l/email-protection/Resource</jid></bind></iq>
为了解析这个 IQ,我在设置时添加了 IQProviderXmpp连接通过使用配置提供者管理器类为
ProviderManager.getInstance().addIQProvider("bind",
"urn:ietf:params:xml:ns:xmpp-bind",
new CustomIQProvider());
And my 定制IQ提供商类是
public class CustomIQProvider implements IQProvider {
public static final String NAME_SPACE = "urn:ietf:params:xml:ns:xmpp-bind";
@Override
public IQ parseIQ(XmlPullParser parser) throws Exception {
Log.i("My_TAG", "inside LivBindIQ");
CustomIQ bindIQ = new CustomIQ();
if (parser.getEventType() != XmlPullParser.START_TAG) {
throw new IllegalStateException(
"Parser not in proper position, or bad XML.");
}
boolean done = false;
while (!done) {
int eventType = parser.next();
if ((eventType == XmlPullParser.START_TAG)
&& ("entry".equals(parser.getName()))) {
eventType = parser.next();
String name = parser.nextText();
eventType = parser.next();
String value = parser.nextText();
}
else if (eventType == XmlPullParser.END_TAG) {
done = true;
}
}
return bindIQ;
}
}
And my CustomIQ类是,
public class CustomIQ extends IQ {
@Override
public String getChildElementXML() {
// TODO Auto-generated method stub
return null;
}
}
现在我很困惑,如何CustomIQProvider
类被执行..我没有得到任何日志CustomIQProvider
班级。我的步骤是否正确,否则我需要执行任何步骤来调用我的CustomIQProvider
class
也许已经有一个提供者注册了这个命名空间?
也许您需要在 IQProvider 上对 XML 进行完整且正确的解析,并且您的 CustomIQ 还需要实现 xml 的正确输出。
您正在检查一个标签,但显然它不存在,因此该解析器将永远无法工作。
假设这是您要解析的标签
<jid username='xx' fullname='yy'>[email protected] /cdn-cgi/l/email-protection/Resource</jid>
我没有测试过,但这应该有效,你的 parseIQ 方法应该如下所示
public IQ parseIQ(XmlPullParser parser) throws Exception {
CustomIQ bindIQ = new CustomIQ();
while (!done) {
int eventType = parser.next();
if (eventType == XmlPullParser.START_TAG) {
if (parser.getName().equals("jid")) {
String username = parser.getAttributeValue("", "username");
String fullname = parser.getAttributeValue("", "fullname");
String jidValue = parser.nextText();
bindIQ.setUsername(username);
bindIQ.setFullname(fullname);
bindIQ.setFullJid(jidValue);
}
}
else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals("jid")) {
done = true;
}
}
}
return bindIQ;
}
还有你的 CustomIQ 类:
public class CustomIQ extends IQ {
private String username;
private String fullName;
private String fullJid;
public CustomIQ() {
}
public void setUsername(String username) {
this.username = username;
}
public void setFullname(String fullName) {
this.fullName = fullName;
}
public void setFullJid(String fullJid) {
this.fullJid = fullJid;
}
public String getUsername() {
return this.username;
}
public String getFullname() {
return this.fullName;
}
public String getFullJid() {
return this.fullJid;
}
@Override
public String getChildElementXML() {
StringBuilder builder = new StringBuilder("<bind xmlns=\"urn:ietf:params:xml:ns:xmpp-bind\"><jid username=\"");
builder.append(username).append("\"");
builder.append(" fullname=\"");
builder.append(fullName).append("\"");
builder.append(">");
builder.append(fullJid);
builder.append("</jid>");
builder.append("</bind>");
return builder.toString();
}
}
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