Mercury-IM/Smack
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Code Issues Releases Wiki Activity

1. Allows Registration packets to include extensions (DataForms)

Browse source 
2. Some parse methods were factored out to PacketParserUtils


git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@2264 b35dd754-fafc-0310-a699-88a17e54d16e
This commit is contained in:
Gaston Dombiak 2004-03-29 21:37:24 +00:00 committed by gdombiak
parent e11081b60d
commit 476d694eaf
1 changed files with 14 additions and 117 deletions
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131
source/org/jivesoftware/smack/PacketReader.java
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@ -58,11 +58,11 @@ import java.util.*;
import java.util.List;
import java.io.ObjectInputStream;
import java.io.ByteArrayInputStream;
import java.beans.PropertyDescriptor;
import org.jivesoftware.smack.packet.*;
import org.jivesoftware.smack.packet.XMPPError;
import org.jivesoftware.smack.filter.PacketFilter;
import org.jivesoftware.smack.util.*;
import org.jivesoftware.smack.util.StringUtils;
import org.jivesoftware.smack.provider.*;
@ -395,7 +395,7 @@ class PacketReader {
iqPacket = ((IQProvider)provider).parseIQ(parser);
}
else if (provider instanceof Class) {
iqPacket = (IQ)parseWithIntrospection(elementName,
iqPacket = (IQ)PacketParserUtils.parseWithIntrospection(elementName,
(Class)provider, parser);
}
}
@ -543,6 +543,14 @@ class PacketReader {
}
}
}
// Otherwise, it must be a packet extension.
else {
registration.addExtension(
PacketParserUtils.parsePacketExtension(
parser.getName(),
parser.getNamespace(),
parser));
}
}
else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals("query")) {
@ -554,67 +562,6 @@ class PacketReader {
return registration;
}
private Object parseWithIntrospection(String elementName,
Class objectClass, XmlPullParser parser) throws Exception
{
boolean done = false;
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, 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(object, new Object[] { value });
}
else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals(elementName)) {
done = true;
}
}
}
return object;
}
/**
* Decodes a String into an object of the specified type. If the object
* type is not supported, null will be returned.
*
* @param type the type of the property.
* @param value the encode String value to decode.
* @return the String value decoded into the specified type.
*/
private static Object decode(Class type, String value) throws Exception {
if (type.getName().equals("java.lang.String")) {
return value;
}
if (type.getName().equals("boolean")) {
return Boolean.valueOf(value);
}
if (type.getName().equals("int")) {
return Integer.valueOf(value);
}
if (type.getName().equals("long")) {
return Long.valueOf(value);
}
if (type.getName().equals("float")) {
return Float.valueOf(value);
}
if (type.getName().equals("double")) {
return Double.valueOf(value);
}
if (type.getName().equals("java.lang.Class")) {
return Class.forName(value);
}
return null;
}
/**
* Parses error sub-packets.
*
@ -697,7 +644,8 @@ class PacketReader {
}
// Otherwise, it must be a packet extension.
else {
message.addExtension(parsePacketExtension(elementName, namespace, parser));
message.addExtension(
PacketParserUtils.parsePacketExtension(elementName, namespace, parser));
}
}
else if (eventType == XmlPullParser.END_TAG) {
@ -770,7 +718,8 @@ class PacketReader {
}
// Otherwise, it must be a packet extension.
else {
presence.addExtension(parsePacketExtension(elementName, namespace, parser));
presence.addExtension(
PacketParserUtils.parsePacketExtension(elementName, namespace, parser));
}
}
else if (eventType == XmlPullParser.END_TAG) {
@ -782,58 +731,6 @@ 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();
// If an empty element, set the value with the empty string.
if (parser.isEmptyElementTag()) {
extension.setValue(name,"");
}
// Otherwise, get the the element text.
else {
eventType = parser.next();
if (eventType == XmlPullParser.TEXT) {
String value = parser.getText();
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