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Fixed packet extension parsing. Optimized IQ parsing. 

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@1929 b35dd754-fafc-0310-a699-88a17e54d16e
This commit is contained in:
Matt Tucker 2003-05-08 16:17:48 +00:00 committed by mtucker
parent 1b0a43b8a5
commit 1fce8b422b
1 changed files with 66 additions and 24 deletions
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90
source/org/jivesoftware/smack/PacketReader.java
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@ -360,7 +360,8 @@ class PacketReader {
iqPacket = ((IQProvider)provider).parseIQ(parser);
}
else if (provider instanceof Class) {
iqPacket = parseIQWithIntrospection((Class)provider, parser);
iqPacket = (IQ)parseWithIntrospection(elementName,
(Class)provider, parser);
}
}
}
@ -492,30 +493,32 @@ class PacketReader {
return registration;
}
private IQ parseIQWithIntrospection(Class iqClass, XmlPullParser parser) throws Exception {
private Object parseWithIntrospection(String elementName,
Class objectClass, XmlPullParser parser) throws Exception
{
boolean done = false;
IQ iq = (IQ)iqClass.newInstance();
Object object = objectClass.newInstance();
while (!done) {
int eventType = parser.next();
if (eventType == XmlPullParser.START_TAG) {
String name = parser.getName();
String stringValue = parser.nextText();
PropertyDescriptor descriptor = new PropertyDescriptor(name, iqClass);
PropertyDescriptor descriptor = new PropertyDescriptor(name, objectClass);
// Load the class type of the property.
Class propertyType = descriptor.getPropertyType();
// Get the value of the property by converting it from a
// String to the correct object type.
Object value = decode(propertyType, stringValue);
// Set the value of the bean.
descriptor.getWriteMethod().invoke(iq, new Object[] { value });
descriptor.getWriteMethod().invoke(object, new Object[] { value });
}
else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals("query")) {
if (parser.getName().equals(elementName)) {
done = true;
}
}
}
return iq;
return object;
}
/**
@ -623,18 +626,9 @@ class PacketReader {
{
properties = parseProperties(parser);
}
// Otherwise, see if there is a registered provider for
// this element name and namespace.
// Otherwise, it must be a packet extension.
else {
Object provider = ProviderManager.getExtensionProvider(elementName, namespace);
if (provider != null) {
if (provider instanceof PacketExtensionProvider) {
iqPacket = ((IQProvider)provider).parseIQ(parser);
}
else if (provider instanceof Class) {
iqPacket = parseIQWithIntrospection((Class)provider, parser);
}
}
message.addExtension(parsePacketExtension(elementName, namespace, parser));
}
}
else if (eventType == XmlPullParser.END_TAG) {
@ -676,24 +670,26 @@ class PacketReader {
while (!done) {
int eventType = parser.next();
if (eventType == XmlPullParser.START_TAG) {
if (parser.getName().equals("status")) {
String elementName = parser.getName();
String namespace = parser.getNamespace();
if (elementName.equals("status")) {
presence.setStatus(parser.nextText());
}
else if (parser.getName().equals("priority")) {
else if (elementName.equals("priority")) {
try {
int priority = Integer.parseInt(parser.nextText());
presence.setPriority(priority);
}
catch (NumberFormatException nfe) { }
}
else if (parser.getName().equals("show")) {
else if (elementName.equals("show")) {
presence.setMode(Presence.Mode.fromString(parser.nextText()));
}
else if (parser.getName().equals("error")) {
else if (elementName.equals("error")) {
presence.setError(parseError(parser));
}
else if (parser.getName().equals("properties") &&
parser.getNamespace().equals(PROPERTIES_NAMESPACE))
else if (elementName.equals("properties") &&
namespace.equals(PROPERTIES_NAMESPACE))
{
Map properties = parseProperties(parser);
// Set packet properties.
@ -702,6 +698,10 @@ class PacketReader {
presence.setProperty(name, properties.get(name));
}
}
// Otherwise, it must be a packet extension.
else {
presence.addExtension(parsePacketExtension(elementName, namespace, parser));
}
}
else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals("presence")) {
@ -712,6 +712,48 @@ class PacketReader {
return presence;
}
/**
* Parses a packet extension sub-packet.
*
* @param elementName the XML element name of the packet extension.
* @param namespace the XML namespace of the packet extension.
* @param parser the XML parser, positioned at the starting element of the extension.
* @return a PacketExtension.
* @throws Exception if a parsing error occurs.
*/
private PacketExtension parsePacketExtension(String elementName, String namespace, XmlPullParser parser)
throws Exception
{
// See if a provider is registered to handle the extension.
Object provider = ProviderManager.getExtensionProvider(elementName, namespace);
if (provider != null) {
if (provider instanceof PacketExtensionProvider) {
return ((PacketExtensionProvider)provider).parseExtension(parser);
}
else if (provider instanceof Class) {
return (PacketExtension)parseWithIntrospection(
elementName, (Class)provider, parser);
}
}
// No providers registered, so use a default extension.
DefaultPacketExtension extension = new DefaultPacketExtension(elementName, namespace);
boolean done = false;
while (!done) {
int eventType = parser.next();
if (eventType == XmlPullParser.START_TAG) {
String name = parser.getName();
String value = parser.nextText();
extension.setValue(name, value);
}
else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals(elementName)) {
done = true;
}
}
}
return extension;
}
/**
* Parse a properties sub-packet. If any errors occur while de-serializing Java object
* properties, an exception will be printed and not thrown since a thrown