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Code Issues Releases Wiki Activity

Refactor Bind and Roster IQ parsing code into providers

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This commit is contained in:
Florian Schmaus 2014-10-30 12:56:10 +01:00
parent 0e4196ae4b
commit 1de2fc2a81
5 changed files with 155 additions and 91 deletions
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8
smack-core/src/main/java/org/jivesoftware/smack/SmackInitialization.java
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@ -29,6 +29,11 @@ import java.util.logging.Logger;
import org.jivesoftware.smack.compression.Java7ZlibInputOutputStream;
import org.jivesoftware.smack.initializer.SmackInitializer;
import org.jivesoftware.smack.packet.Bind;
import org.jivesoftware.smack.packet.RosterPacket;
import org.jivesoftware.smack.provider.BindIQProvider;
import org.jivesoftware.smack.provider.ProviderManager;
import org.jivesoftware.smack.provider.RosterPacketProvider;
import org.jivesoftware.smack.sasl.core.SCRAMSHA1Mechanism;
import org.jivesoftware.smack.util.FileUtils;
import org.xmlpull.v1.XmlPullParser;
@ -133,6 +138,9 @@ public final class SmackInitialization {
SASLAuthentication.registerSASLMechanism(new SCRAMSHA1Mechanism());
ProviderManager.addIQProvider(RosterPacket.ELEMENT, RosterPacket.NAMESPACE, RosterPacketProvider.INSTANCE);
ProviderManager.addIQProvider(Bind.ELEMENT, Bind.NAMESPACE, new BindIQProvider());
SmackConfiguration.smackInitialized = true;
}

57
smack-core/src/main/java/org/jivesoftware/smack/provider/BindIQProvider.java Normal file
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@ -0,0 +1,57 @@
/**
*
* Copyright © 2003-2007 Jive Software, 2014 Florian Schmaus
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jivesoftware.smack.provider;
import java.io.IOException;
import org.jivesoftware.smack.SmackException;
import org.jivesoftware.smack.packet.Bind;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
public class BindIQProvider extends IQProvider<Bind> {
@Override
public Bind parse(XmlPullParser parser, int initialDepth) throws XmlPullParserException, IOException,
SmackException {
String name;
Bind bind = null;
outerloop: while (true) {
int eventType = parser.next();
switch (eventType) {
case XmlPullParser.START_TAG:
name = parser.getName();
switch (name) {
case "resource":
bind = Bind.newSet(parser.nextText());
break;
case "jid":
bind = Bind.newResult(parser.nextText());
break;
}
break;
case XmlPullParser.END_TAG:
if (parser.getDepth() == initialDepth) {
break outerloop;
}
break;
}
}
return bind;
}
}

85
smack-core/src/main/java/org/jivesoftware/smack/provider/RosterPacketProvider.java Normal file
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@ -0,0 +1,85 @@
/**
*
* Copyright © 2003-2007 Jive Software, 2014 Florian Schmaus
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jivesoftware.smack.provider;
import java.io.IOException;
import org.jivesoftware.smack.SmackException;
import org.jivesoftware.smack.packet.RosterPacket;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
public class RosterPacketProvider extends IQProvider<RosterPacket> {
public static final RosterPacketProvider INSTANCE = new RosterPacketProvider();
private RosterPacketProvider() {
}
@Override
public RosterPacket parse(XmlPullParser parser, int initialDepth) throws XmlPullParserException, IOException,
SmackException {
RosterPacket roster = new RosterPacket();
RosterPacket.Item item = null;
String version = parser.getAttributeValue("", "ver");
roster.setVersion(version);
outerloop: while (true) {
int eventType = parser.next();
switch(eventType) {
case XmlPullParser.START_TAG:
String startTag = parser.getName();
switch (startTag) {
case "item":
String jid = parser.getAttributeValue("", "jid");
String name = parser.getAttributeValue("", "name");
// Create packet.
item = new RosterPacket.Item(jid, name);
// Set status.
String ask = parser.getAttributeValue("", "ask");
RosterPacket.ItemStatus status = RosterPacket.ItemStatus.fromString(ask);
item.setItemStatus(status);
// Set type.
String subscription = parser.getAttributeValue("", "subscription");
RosterPacket.ItemType type = RosterPacket.ItemType.valueOf(subscription != null ? subscription : "none");
item.setItemType(type);
break;
case "group":
// TODO item!= null
final String groupName = parser.nextText();
if (groupName != null && groupName.trim().length() > 0) {
item.addGroupName(groupName);
}
break;
}
break;
case XmlPullParser.END_TAG:
String endTag = parser.getName();
switch(endTag) {
case "item":
roster.addRosterItem(item);
break;
case "query":
break outerloop;
}
}
}
return roster;
}
}

88
smack-core/src/main/java/org/jivesoftware/smack/util/PacketParserUtils.java
View file

@ -31,14 +31,12 @@ import java.util.logging.Logger;
import org.jivesoftware.smack.SmackException;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smack.compress.packet.Compress;
import org.jivesoftware.smack.packet.Bind;
import org.jivesoftware.smack.packet.DefaultPacketExtension;
import org.jivesoftware.smack.packet.IQ;
import org.jivesoftware.smack.packet.Message;
import org.jivesoftware.smack.packet.Packet;
import org.jivesoftware.smack.packet.PacketExtension;
import org.jivesoftware.smack.packet.Presence;
import org.jivesoftware.smack.packet.RosterPacket;
import org.jivesoftware.smack.packet.StartTls;
import org.jivesoftware.smack.packet.StreamError;
import org.jivesoftware.smack.packet.XMPPError;
@ -620,16 +618,6 @@ public class PacketParserUtils {
case "error":
error = PacketParserUtils.parseError(parser);
break;
case RosterPacket.ELEMENT:
if (namespace.equals(RosterPacket.NAMESPACE)) {
iqPacket = parseRoster(parser);
break;
}
case Bind.ELEMENT:
if (namespace.equals(Bind.NAMESPACE)) {
iqPacket = parseResourceBinding(parser);
break;
}
// Otherwise, see if there is a registered provider for
// this element name and namespace.
default:
@ -703,82 +691,6 @@ public class PacketParserUtils {
return iqPacket;
}
public static RosterPacket parseRoster(XmlPullParser parser) throws XmlPullParserException, IOException {
RosterPacket roster = new RosterPacket();
boolean done = false;
RosterPacket.Item item = null;
String version = parser.getAttributeValue("", "ver");
roster.setVersion(version);
while (!done) {
int eventType = parser.next();
if (eventType == XmlPullParser.START_TAG) {
if (parser.getName().equals("item")) {
String jid = parser.getAttributeValue("", "jid");
String name = parser.getAttributeValue("", "name");
// Create packet.
item = new RosterPacket.Item(jid, name);
// Set status.
String ask = parser.getAttributeValue("", "ask");
RosterPacket.ItemStatus status = RosterPacket.ItemStatus.fromString(ask);
item.setItemStatus(status);
// Set type.
String subscription = parser.getAttributeValue("", "subscription");
RosterPacket.ItemType type = RosterPacket.ItemType.valueOf(subscription != null ? subscription : "none");
item.setItemType(type);
}
else if (parser.getName().equals("group") && item!= null) {
final String groupName = parser.nextText();
if (groupName != null && groupName.trim().length() > 0) {
item.addGroupName(groupName);
}
}
}
else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals("item")) {
roster.addRosterItem(item);
}
if (parser.getName().equals("query")) {
done = true;
}
}
}
return roster;
}
public static Bind parseResourceBinding(XmlPullParser parser) throws IOException,
XmlPullParserException {
assert (parser.getEventType() == XmlPullParser.START_TAG);
int initalDepth = parser.getDepth();
String name;
Bind bind = null;
outerloop: while (true) {
int eventType = parser.next();
switch (eventType) {
case XmlPullParser.START_TAG:
name = parser.getName();
switch (name) {
case "resource":
bind = Bind.newSet(parser.nextText());
break;
case "jid":
bind = Bind.newResult(parser.nextText());
break;
}
break;
case XmlPullParser.END_TAG:
name = parser.getName();
if (name.equals(Bind.ELEMENT) && parser.getDepth() == initalDepth) {
break outerloop;
}
break;
}
}
assert (parser.getEventType() == XmlPullParser.END_TAG);
return bind;
}
/**
* Parse the available SASL mechanisms reported from the server.
*

8
smack-extensions/src/main/java/org/jivesoftware/smackx/xdata/provider/DataFormProvider.java
View file

@ -17,9 +17,10 @@
package org.jivesoftware.smackx.xdata.provider;
import org.jivesoftware.smack.SmackException;
import org.jivesoftware.smack.packet.RosterPacket;
import org.jivesoftware.smack.provider.PacketExtensionProvider;
import org.jivesoftware.smack.util.PacketParserUtils;
import org.jivesoftware.smack.provider.RosterPacketProvider;
import org.jivesoftware.smackx.xdata.FormField;
import org.jivesoftware.smackx.xdata.packet.DataForm;
import org.xmlpull.v1.XmlPullParser;
@ -37,7 +38,8 @@ import java.util.List;
public class DataFormProvider extends PacketExtensionProvider<DataForm> {
@Override
public DataForm parse(XmlPullParser parser, int initialDepth) throws XmlPullParserException, IOException {
public DataForm parse(XmlPullParser parser, int initialDepth) throws XmlPullParserException, IOException,
SmackException {
boolean done = false;
DataForm dataForm = new DataForm(parser.getAttributeValue("", "type"));
while (!done) {
@ -60,7 +62,7 @@ public class DataFormProvider extends PacketExtensionProvider<DataForm> {
}
// See XEP-133 Example 32 for a corner case where the data form contains this extension.
else if (parser.getName().equals(RosterPacket.ELEMENT) && parser.getNamespace().equals(RosterPacket.NAMESPACE)) {
dataForm.addExtensionElement(PacketParserUtils.parseRoster(parser));
dataForm.addExtensionElement(RosterPacketProvider.INSTANCE.parse(parser));
}
} else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals(dataForm.getElementName())) {