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Add support for XEP-0198: Stream Management

- De-duplicate code by moving it into AbstractXMPPConnection
- Introduce TopLevelStreamElement as superclass for all XMPP stream elements.
- Add SynchronizationPoint, ParserUtils
- Add ParserUtils

Fixes SMACK-333 and SMACK-521
This commit is contained in:
Florian Schmaus 2014-09-11 09:49:16 +02:00
parent 07c10a7444
commit fc51f3df48
69 changed files with 3277 additions and 1083 deletions

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/**
*
* Copyright © 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.tcp.sm;
import java.math.BigInteger;
public class SMUtils {
private static long MASK_32_BIT = BigInteger.ONE.shiftLeft(32).subtract(BigInteger.ONE).longValue();
/**
* Quoting XEP-198 4.:
* "In the unlikely case that the number of stanzas handled during a stream management session exceeds the number
* of digits that can be represented by the unsignedInt datatype as specified in XML Schema Part 2 [10]
* (i.e., 2^32), the value of 'h' SHALL be reset from 2^32-1 back to zero (rather than being incremented to 2^32)."
*
* @param height
* @return the incremented height
*/
public static long incrementHeight(long height) {
return ++height & MASK_32_BIT;
}
/**
* Calculates the delta of the last known stanza handled count and the new
* reported stanza handled count while considering that the new value may be
* wrapped after 2^32-1.
*
* @param reportedHandledCount
* @param lastKnownHandledCount
* @return the delta
*/
public static long calculateDelta(long reportedHandledCount, long lastKnownHandledCount) {
return (reportedHandledCount - lastKnownHandledCount) & MASK_32_BIT;
}
}

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/**
*
* Copyright © 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.tcp.sm;
import org.jivesoftware.smack.SmackException;
public abstract class StreamManagementException extends SmackException {
public StreamManagementException() {
}
public StreamManagementException(String message) {
super(message);
}
/**
*
*/
private static final long serialVersionUID = 3767590115788821101L;
public static class StreamManagementNotEnabledException extends StreamManagementException {
/**
*
*/
private static final long serialVersionUID = 2624821584352571307L;
}
public static class StreamIdDoesNotMatchException extends StreamManagementException {
/**
*
*/
private static final long serialVersionUID = 1191073341336559621L;
public StreamIdDoesNotMatchException(String expected, String got) {
super("Stream IDs do not match. Expected '" + expected + "', but got '" + got + "'");
}
}
}

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/**
*
* Copyright © 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.tcp.sm.packet;
import org.jivesoftware.smack.packet.FullStreamElement;
import org.jivesoftware.smack.packet.PacketExtension;
import org.jivesoftware.smack.packet.XMPPError;
import org.jivesoftware.smack.util.XmlStringBuilder;
public class StreamManagement {
public static final String NAMESPACE = "urn:xmpp:sm:3";
public static class StreamManagementFeature implements PacketExtension {
public static final String ELEMENT = "sm";
public static final StreamManagementFeature INSTANCE = new StreamManagementFeature();
private StreamManagementFeature() {
}
@Override
public String getElementName() {
return ELEMENT;
}
@Override
public String getNamespace() {
return NAMESPACE;
}
@Override
public CharSequence toXML() {
XmlStringBuilder xml = new XmlStringBuilder(this);
xml.closeEmptyElement();
return xml;
}
}
private static abstract class AbstractEnable extends FullStreamElement {
/**
* Preferred maximum resumption time in seconds (optional).
*/
protected int max = -1;
protected boolean resume = false;
protected void maybeAddResumeAttributeTo(XmlStringBuilder xml) {
if (resume) {
// XEP 198 never mentions the case where resume='false', it's either set to true or
// not set at all. We reflect this in this code part
xml.attribute("resume", "true");
}
}
protected void maybeAddMaxAttributeTo(XmlStringBuilder xml) {
if (max > 0) {
xml.attribute("max", Integer.toString(max));
}
}
public boolean isResumeSet() {
return resume;
}
/**
* Return the max resumption time in seconds.
* @return the max resumption time in seconds
*/
public int getMaxResumptionTime() {
return max;
}
@Override
public final String getNamespace() {
return NAMESPACE;
}
}
public static class Enable extends AbstractEnable {
public static final String ELEMENT = "enable";
public static final Enable INSTANCE = new Enable();
private Enable() {
}
public Enable(boolean resume) {
this.resume = resume;
}
public Enable(boolean resume, int max) {
this(resume);
this.max = max;
}
@Override
public CharSequence toXML() {
XmlStringBuilder xml = new XmlStringBuilder(this);
maybeAddResumeAttributeTo(xml);
maybeAddMaxAttributeTo(xml);
xml.closeEmptyElement();
return xml;
}
@Override
public String getElementName() {
return ELEMENT;
}
}
/**
* A Stream Management 'enabled' element.
* <p>
* Here is a full example, all attributes besides 'xmlns' are optional.
* </p>
* <pre>
* {@code
* <enabled xmlns='urn:xmpp:sm:3'
* id='some-long-sm-id'
* location='[2001:41D0:1:A49b::1]:9222'
* resume='true'/>
* }
* </pre>
*/
public static class Enabled extends AbstractEnable {
public static final String ELEMENT = "enabled";
/**
* The stream id ("SM-ID")
*/
private final String id;
/**
* The location where the server prefers reconnection.
*/
private final String location;
public Enabled(String id, boolean resume) {
this(id, resume, null, -1);
}
public Enabled(String id, boolean resume, String location, int max) {
this.id = id;
this.resume = resume;
this.location = location;
this.max = max;
}
public String getId() {
return id;
}
public String getLocation() {
return location;
}
@Override
public CharSequence toXML() {
XmlStringBuilder xml = new XmlStringBuilder(this);
xml.optAttribute("id", id);
maybeAddResumeAttributeTo(xml);
xml.optAttribute("location", location);
maybeAddMaxAttributeTo(xml);
xml.closeEmptyElement();
return xml;
}
@Override
public String getElementName() {
return ELEMENT;
}
}
public static class Failed extends FullStreamElement {
public static final String ELEMENT = "failed";
private XMPPError error;
public Failed() {
}
public Failed(XMPPError error) {
this.error = error;
}
public XMPPError getXMPPError() {
return error;
}
@Override
public CharSequence toXML() {
XmlStringBuilder xml = new XmlStringBuilder(this);
if (error != null) {
xml.rightAngleBracket();
xml.append(error.toXML());
xml.closeElement(ELEMENT);
}
else {
xml.closeEmptyElement();
}
return xml;
}
@Override
public String getNamespace() {
return NAMESPACE;
}
@Override
public String getElementName() {
return ELEMENT;
}
}
private static abstract class AbstractResume extends FullStreamElement {
private final long handledCount;
private final String previd;
public AbstractResume(long handledCount, String previd) {
this.handledCount = handledCount;
this.previd = previd;
}
public long getHandledCount() {
return handledCount;
}
public String getPrevId() {
return previd;
}
@Override
public final String getNamespace() {
return NAMESPACE;
}
@Override
public final XmlStringBuilder toXML() {
XmlStringBuilder xml = new XmlStringBuilder(this);
xml.attribute("h", Long.toString(handledCount));
xml.attribute("previd", previd);
xml.closeEmptyElement();
return xml;
}
}
public static class Resume extends AbstractResume {
public static final String ELEMENT = "resume";
public Resume(long handledCount, String previd) {
super(handledCount, previd);
}
@Override
public String getElementName() {
return ELEMENT;
}
}
public static class Resumed extends AbstractResume {
public static final String ELEMENT = "resumed";
public Resumed(long handledCount, String previd) {
super(handledCount, previd);
}
@Override
public String getElementName() {
return ELEMENT;
}
}
public static class AckAnswer extends FullStreamElement {
public static final String ELEMENT = "a";
private final long handledCount;
public AckAnswer(long handledCount) {
this.handledCount = handledCount;
}
public long getHandledCount() {
return handledCount;
}
@Override
public CharSequence toXML() {
XmlStringBuilder xml = new XmlStringBuilder(this);
xml.attribute("h", Long.toString(handledCount));
xml.closeEmptyElement();
return xml;
}
@Override
public String getNamespace() {
return NAMESPACE;
}
@Override
public String getElementName() {
return ELEMENT;
}
}
public static class AckRequest extends FullStreamElement {
public static final String ELEMENT = "r";
public static final AckRequest INSTANCE = new AckRequest();
private AckRequest() {
}
@Override
public CharSequence toXML() {
return '<' + ELEMENT + " xmlns='" + NAMESPACE + "'/>";
}
@Override
public String getNamespace() {
return NAMESPACE;
}
@Override
public String getElementName() {
return ELEMENT;
}
}
}

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/**
*
* Copyright © 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.tcp.sm.predicates;
import org.jivesoftware.smack.filter.PacketFilter;
import org.jivesoftware.smack.packet.Packet;
public class AfterXStanzas implements PacketFilter {
final int count;
int currentCount;
public AfterXStanzas(int count) {
this.count = count;
currentCount = 0;
}
@Override
public synchronized boolean accept(Packet packet) {
currentCount++;
if (currentCount == count) {
resetCounter();
return true;
}
return false;
}
public synchronized void resetCounter() {
currentCount = 0;
}
}

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/**
*
* Copyright © 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.tcp.sm.predicates;
import org.jivesoftware.smack.filter.PacketFilter;
import org.jivesoftware.smack.packet.Message;
import org.jivesoftware.smack.packet.Packet;
public class ForEveryMessage implements PacketFilter {
public static final ForEveryMessage INSTANCE = new ForEveryMessage();
private ForEveryMessage() {
}
@Override
public boolean accept(Packet packet) {
if (packet instanceof Message) {
return true;
}
return false;
}
}

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@ -0,0 +1,34 @@
/**
*
* Copyright © 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.tcp.sm.predicates;
import org.jivesoftware.smack.filter.PacketFilter;
import org.jivesoftware.smack.packet.Packet;
public class ForEveryStanza implements PacketFilter {
public static final ForEveryStanza INSTANCE = new ForEveryStanza();
private ForEveryStanza() {
}
@Override
public boolean accept(Packet packet) {
return true;
}
}

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@ -0,0 +1,40 @@
/**
*
* Copyright © 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.tcp.sm.predicates;
import org.jivesoftware.smack.filter.PacketFilter;
import org.jivesoftware.smack.packet.Packet;
public class ForMatchingPredicateOrAfterXStanzas implements PacketFilter {
private final PacketFilter predicate;
private final AfterXStanzas afterXStanzas;
public ForMatchingPredicateOrAfterXStanzas(PacketFilter predicate, int count) {
this.predicate = predicate;
this.afterXStanzas = new AfterXStanzas(count);
}
@Override
public boolean accept(Packet packet) {
if (predicate.accept(packet)) {
afterXStanzas.resetCounter();
return true;
}
return afterXStanzas.accept(packet);
}
}

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@ -0,0 +1,55 @@
/**
*
* Copyright © 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.tcp.sm.predicates;
import org.jivesoftware.smack.filter.PacketFilter;
import org.jivesoftware.smack.packet.Packet;
import org.jivesoftware.smack.tcp.XMPPTCPConnection;
import org.jivesoftware.smack.util.StringUtils;
public class OnceForThisStanza implements PacketFilter {
private final String id;
private final XMPPTCPConnection connection;
public static void setup(XMPPTCPConnection connection, Packet packet) {
PacketFilter packetFilter = new OnceForThisStanza(connection, packet);
connection.addRequestAckPredicate(packetFilter);
}
private OnceForThisStanza(XMPPTCPConnection connection, Packet packet) {
this.connection = connection;
this.id = packet.getPacketID();
if (StringUtils.isNullOrEmpty(id)) {
throw new IllegalArgumentException("Stanza ID must be set");
}
}
@Override
public boolean accept(Packet packet) {
String otherId = packet.getPacketID();
if (StringUtils.isNullOrEmpty(otherId)) {
return false;
}
if (id.equals(otherId)) {
connection.removeRequestAckPredicate(this);
return true;
}
return false;
}
}

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@ -0,0 +1,30 @@
/**
*
* Copyright © 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.tcp.sm.predicates;
import org.jivesoftware.smack.filter.PacketFilter;
public class Predicate {
public static PacketFilter forMessagesOrAfter5Stanzas() {
return new ForMatchingPredicateOrAfterXStanzas(ForEveryMessage.INSTANCE, 5);
}
public static AfterXStanzas after5Stanzas() {
return new AfterXStanzas(5);
}
}

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@ -0,0 +1,54 @@
/**
*
* Copyright © 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.tcp.sm.predicates;
import java.util.Collection;
import java.util.LinkedHashSet;
import java.util.Set;
import org.jivesoftware.smack.filter.PacketFilter;
import org.jivesoftware.smack.packet.Packet;
public class ShortcutPredicates implements PacketFilter {
private final Set<PacketFilter> predicates = new LinkedHashSet<PacketFilter>();
public ShortcutPredicates() {
}
public ShortcutPredicates(Collection<? extends PacketFilter> predicates) {
this.predicates.addAll(predicates);
}
public boolean addPredicate(PacketFilter predicate) {
return predicates.add(predicate);
}
public boolean removePredicate(PacketFilter prediacte) {
return predicates.remove(prediacte);
}
@Override
public boolean accept(Packet packet) {
for (PacketFilter predicate : predicates) {
if (predicate.accept(packet)) {
return true;
}
}
return false;
}
}

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@ -0,0 +1,88 @@
/**
*
* Copyright © 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.tcp.sm.provider;
import java.io.IOException;
import org.jivesoftware.smack.packet.XMPPError;
import org.jivesoftware.smack.tcp.sm.packet.StreamManagement.AckAnswer;
import org.jivesoftware.smack.tcp.sm.packet.StreamManagement.Enabled;
import org.jivesoftware.smack.tcp.sm.packet.StreamManagement.Failed;
import org.jivesoftware.smack.tcp.sm.packet.StreamManagement.Resumed;
import org.jivesoftware.smack.util.ParserUtils;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
public class ParseStreamManagement {
public static Enabled enabled(XmlPullParser parser) throws XmlPullParserException, IOException {
ParserUtils.assertAtStartTag(parser);
boolean resume = ParserUtils.getBooleanAttribute(parser, "resume", false);
String id = parser.getAttributeValue("", "id");
String location = parser.getAttributeValue("", "location");
int max = ParserUtils.getIntegerAttribute(parser, "max", -1);
parser.next();
ParserUtils.assertAtEndTag(parser);
return new Enabled(id, resume, location, max);
}
public static Failed failed(XmlPullParser parser) throws XmlPullParserException, IOException {
ParserUtils.assertAtStartTag(parser);
String name;
String condition = "unknown";
outerloop:
while(true) {
int event = parser.next();
switch (event) {
case XmlPullParser.START_TAG:
name = parser.getName();
String namespace = parser.getNamespace();
if (XMPPError.NAMESPACE.equals(namespace)) {
condition = name;
}
break;
case XmlPullParser.END_TAG:
name = parser.getName();
if (Failed.ELEMENT.equals(name)) {
break outerloop;
}
break;
}
}
ParserUtils.assertAtEndTag(parser);
XMPPError error = new XMPPError(condition);
return new Failed(error);
}
public static Resumed resumed(XmlPullParser parser) throws XmlPullParserException, IOException {
ParserUtils.assertAtStartTag(parser);
long h = ParserUtils.getLongAttribute(parser, "h");
String previd = parser.getAttributeValue("", "previd");
parser.next();
ParserUtils.assertAtEndTag(parser);
return new Resumed(h, previd);
}
public static AckAnswer ackAnswer(XmlPullParser parser) throws XmlPullParserException, IOException {
ParserUtils.assertAtStartTag(parser);
long h = ParserUtils.getLongAttribute(parser, "h");
parser.next();
ParserUtils.assertAtEndTag(parser);
return new AckAnswer(h);
}
}

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@ -40,19 +40,22 @@ public class PacketWriterTest {
*
* @throws InterruptedException
* @throws BrokenBarrierException
* @throws NotConnectedException
*/
@SuppressWarnings("javadoc")
@Test
public void shouldBlockAndUnblockTest() throws InterruptedException, BrokenBarrierException, NotConnectedException {
XMPPTCPConnection connection = new XMPPTCPConnection("foobar.com");
final PacketWriter pw = connection.new PacketWriter();
pw.setWriter(new BlockingStringWriter());
pw.startup();
connection.packetWriter = pw;
connection.packetReader = connection.new PacketReader();
connection.setWriter(new BlockingStringWriter());
pw.init();
for (int i = 0; i < XMPPTCPConnection.PacketWriter.QUEUE_SIZE; i++) {
pw.sendPacket(new Message());
pw.sendStreamElement(new Message());
}
final CyclicBarrier barrier = new CyclicBarrier(2);
shutdown = false;
prematureUnblocked = false;
@ -61,7 +64,7 @@ public class PacketWriterTest {
public void run() {
try {
barrier.await();
pw.sendPacket(new Message());
pw.sendStreamElement(new Message());
// should only return after the pw was interrupted
if (!shutdown) {
prematureUnblocked = true;
@ -85,9 +88,9 @@ public class PacketWriterTest {
Thread.sleep(250);
// Set to true for testing purposes, so that shutdown() won't wait packet writer
pw.shutdownDone.set(true);
pw.shutdownDone.reportSuccess();
// Shutdown the packetwriter
pw.shutdown();
pw.shutdown(false);
shutdown = true;
barrier.await();
if (prematureUnblocked) {

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@ -0,0 +1,154 @@
/**
*
* Copyright 2014 Vyacheslav Blinov
*
* 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.tcp.sm.provider;
import com.jamesmurty.utils.XMLBuilder;
import org.jivesoftware.smack.packet.XMPPError;
import org.jivesoftware.smack.tcp.sm.packet.StreamManagement;
import org.jivesoftware.smack.util.PacketParserUtils;
import org.junit.Test;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import java.io.IOException;
import java.util.Properties;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.notNullValue;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;
public class ParseStreamManagementTest {
private static final Properties outputProperties = initOutputProperties();
@Test
public void testParseEnabled() throws Exception {
String stanzaID = "zid615d9";
boolean resume = true;
String location = "test";
int max = 42;
String enabledStanza = XMLBuilder.create("enabled")
.a("xmlns", "urn:xmpp:sm:3")
.a("id", "zid615d9")
.a("resume", String.valueOf(resume))
.a("location", location)
.a("max", String.valueOf(max))
.asString(outputProperties);
StreamManagement.Enabled enabledPacket = ParseStreamManagement.enabled(
PacketParserUtils.getParserFor(enabledStanza));
assertThat(enabledPacket, is(notNullValue()));
assertThat(enabledPacket.getId(), equalTo(stanzaID));
assertThat(enabledPacket.getLocation(), equalTo(location));
assertThat(enabledPacket.isResumeSet(), equalTo(resume));
assertThat(enabledPacket.getMaxResumptionTime(), equalTo(max));
}
@Test
public void testParseEnabledInvariant() throws XmlPullParserException, IOException {
String enabledString = (new StreamManagement.Enabled("stream-id", false)).toXML().toString();
XmlPullParser parser = PacketParserUtils.getParserFor(enabledString);
StreamManagement.Enabled enabled = ParseStreamManagement.enabled(parser);
assertEquals(enabledString, enabled.toXML().toString());
}
@Test
public void testParseFailed() throws Exception {
String failedStanza = XMLBuilder.create("failed")
.a("xmlns", "urn:xmpp:sm:3")
.asString(outputProperties);
StreamManagement.Failed failedPacket = ParseStreamManagement.failed(
PacketParserUtils.getParserFor(failedStanza));
assertThat(failedPacket, is(notNullValue()));
XMPPError error = failedPacket.getXMPPError();
assertThat(error, is(notNullValue()));
assertThat(error.getCondition(), equalTo("unknown"));
}
@Test
public void testParseFailedError() throws Exception {
String errorCondition = "failure";
String failedStanza = XMLBuilder.create("failed")
.a("xmlns", "urn:xmpp:sm:3")
.element(errorCondition, XMPPError.NAMESPACE)
.asString(outputProperties);
System.err.println(failedStanza);
StreamManagement.Failed failedPacket = ParseStreamManagement.failed(
PacketParserUtils.getParserFor(failedStanza));
assertThat(failedPacket, is(notNullValue()));
XMPPError error = failedPacket.getXMPPError();
assertThat(error, is(notNullValue()));
assertThat(error.getCondition(), equalTo(errorCondition));
}
@Test
public void testParseResumed() throws Exception {
long handledPackets = 42;
String previousID = "zid615d9";
String resumedStanza = XMLBuilder.create("resumed")
.a("xmlns", "urn:xmpp:sm:3")
.a("h", String.valueOf(handledPackets))
.a("previd", previousID)
.asString(outputProperties);
StreamManagement.Resumed resumedPacket = ParseStreamManagement.resumed(
PacketParserUtils.getParserFor(resumedStanza));
assertThat(resumedPacket, is(notNullValue()));
assertThat(resumedPacket.getHandledCount(), equalTo(handledPackets));
assertThat(resumedPacket.getPrevId(), equalTo(previousID));
}
@Test
public void testParseAckAnswer() throws Exception {
long handledPackets = 42 + 42;
String ackStanza = XMLBuilder.create("a")
.a("xmlns", "urn:xmpp:sm:3")
.a("h", String.valueOf(handledPackets))
.asString(outputProperties);
StreamManagement.AckAnswer acknowledgementPacket = ParseStreamManagement.ackAnswer(
PacketParserUtils.getParserFor(ackStanza));
assertThat(acknowledgementPacket, is(notNullValue()));
assertThat(acknowledgementPacket.getHandledCount(), equalTo(handledPackets));
}
private static Properties initOutputProperties() {
Properties properties = new Properties();
properties.put(javax.xml.transform.OutputKeys.OMIT_XML_DECLARATION, "yes");
return properties;
}
}