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Code Issues Releases Wiki Activity

Add support for XEP-0059: Result Set Management 

SMACK-581
This commit is contained in:
Florian Schmaus 2014-09-13 11:03:40 +02:00
parent d3cea48c0d
commit 2dc93d7639
11 changed files with 407 additions and 10 deletions
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1
documentation/extensions/index.md
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@ -36,6 +36,7 @@ Smack Extensions and currently supported XEPs by Smack (smack-extensions)
| Ad-Hoc Commands | [XEP-0050](http://xmpp.org/extensions/xep-0049.html) | Advertising and executing application-specific commands. |
| vcard-temp | [XEP-0054](http://xmpp.org/extensions/xep-0049.html) | The vCard-XML format currently in use. |
| Jabber Search | [XEP-0055](http://xmpp.org/extensions/xep-0055.html) | Search information repositories on the XMPP network. |
| Result Set Management | [XEP-0059](http://xmpp.org/extensions/xep-0059.html) | Page through and otherwise manage the receipt of large result sets |
| [PubSub](pubsub.html) | [XEP-0060](http://xmpp.org/extensions/xep-0060.html) | Generic publish and subscribe functionality. |
| SOCKS5 Bytestrams | [XEP-0065](http://xmpp.org/extensions/xep-0065.html) | Out-of-band bytestream between any two XMPP entities. |
| [XHTML-IM](xhtml.html) | [XEP-0071](http://xmpp.org/extensions/xep-0071.html) | Allows send and receiving formatted messages using XHTML. |

11
smack-core/src/main/java/org/jivesoftware/smack/packet/Packet.java
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@ -17,6 +17,7 @@
package org.jivesoftware.smack.packet;
import org.jivesoftware.smack.util.PacketUtil;
import org.jivesoftware.smack.util.StringUtils;
import org.jivesoftware.smack.util.XmlStringBuilder;
@ -232,19 +233,11 @@ public abstract class Packet extends TopLevelStreamElement {
* @param namespace the XML element namespace of the packet extension.
* @return the extension, or <tt>null</tt> if it doesn't exist.
*/
@SuppressWarnings("unchecked")
public <PE extends PacketExtension> PE getExtension(String elementName, String namespace) {
if (namespace == null) {
return null;
}
for (PacketExtension ext : packetExtensions) {
if ((elementName == null || elementName.equals(ext.getElementName()))
&& namespace.equals(ext.getNamespace()))
{
return (PE) ext;
}
}
return null;
return PacketUtil.packetExtensionfromCollection(packetExtensions, elementName, namespace);
}
/**

38
smack-core/src/main/java/org/jivesoftware/smack/util/PacketUtil.java Normal file
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@ -0,0 +1,38 @@
/**
*
* 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.util;
import java.util.Collection;
import org.jivesoftware.smack.packet.PacketExtension;
public class PacketUtil {
@SuppressWarnings("unchecked")
public static <PE extends PacketExtension> PE packetExtensionfromCollection(
Collection<PacketExtension> collection, String element,
String namespace) {
for (PacketExtension packetExtension : collection) {
if ((element == null || packetExtension.getElementName().equals(
element))
&& packetExtension.getNamespace().equals(namespace)) {
return (PE) packetExtension;
}
}
return null;
}
}

6
smack-core/src/main/java/org/jivesoftware/smack/util/ParserUtils.java
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@ -16,6 +16,7 @@
*/
package org.jivesoftware.smack.util;
import java.io.IOException;
import java.util.Locale;
import org.xmlpull.v1.XmlPullParser;
@ -77,6 +78,11 @@ public class ParserUtils {
}
}
public static int getIntegerFromNextText(XmlPullParser parser) throws XmlPullParserException, IOException {
String intString = parser.nextText();
return Integer.valueOf(intString);
}
public static Long getLongAttribute(XmlPullParser parser, String name) {
String valueString = parser.getAttributeValue("", name);
if (valueString == null)

7
smack-core/src/main/java/org/jivesoftware/smack/util/XmlStringBuilder.java
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@ -86,6 +86,13 @@ public class XmlStringBuilder implements Appendable, CharSequence {
return this;
}
public XmlStringBuilder optIntElement(String name, int value) {
if (value >= 0) {
element(name, String.valueOf(value));
}
return this;
}
public XmlStringBuilder halfOpenElement(String name) {
sb.append('<').append(name);
return this;

2
smack-extensions/src/main/java/org/jivesoftware/smackx/pubsub/provider/PubSubProvider.java
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@ -45,7 +45,7 @@ public class PubSubProvider implements IQProvider
if (eventType == XmlPullParser.START_TAG)
{
PacketExtension ext = PacketParserUtils.parsePacketExtension(parser.getName(), namespace, parser);
PacketExtension ext = PacketParserUtils.parsePacketExtension(parser.getName(), parser.getNamespace(), parser);
if (ext != null)
{

57
smack-extensions/src/main/java/org/jivesoftware/smackx/rsm/RSMManager.java Normal file
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@ -0,0 +1,57 @@
/**
*
* 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.smackx.rsm;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
import org.jivesoftware.smack.packet.PacketExtension;
import org.jivesoftware.smack.util.PacketUtil;
import org.jivesoftware.smackx.rsm.packet.RSMSet;
import org.jivesoftware.smackx.rsm.packet.RSMSet.PageDirection;
public class RSMManager {
Collection<PacketExtension> page(int max) {
List<PacketExtension> packetExtensions = new LinkedList<PacketExtension>();
packetExtensions.add(new RSMSet(max));
return packetExtensions;
}
Collection<PacketExtension> contiunePage(int max, Collection<PacketExtension> returnedExtensions) {
return continuePage(max, returnedExtensions, null);
}
Collection<PacketExtension> continuePage(int max,
Collection<PacketExtension> returnedExtensions,
Collection<PacketExtension> additionalExtensions) {
if (returnedExtensions == null) {
throw new IllegalArgumentException("returnedExtensions must no be null");
}
if (additionalExtensions == null) {
additionalExtensions = new LinkedList<PacketExtension>();
}
RSMSet resultRsmSet = PacketUtil.packetExtensionfromCollection(returnedExtensions, RSMSet.ELEMENT, RSMSet.NAMESPACE);
if (resultRsmSet == null) {
throw new IllegalArgumentException("returnedExtensions did not contain a RSMset");
}
RSMSet continePageRsmSet = new RSMSet(max, resultRsmSet.getLast(), PageDirection.after);
additionalExtensions.add(continePageRsmSet);
return additionalExtensions;
}
}

145
smack-extensions/src/main/java/org/jivesoftware/smackx/rsm/packet/RSMSet.java Normal file
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@ -0,0 +1,145 @@
/**
*
* 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.smackx.rsm.packet;
import org.jivesoftware.smack.packet.PacketExtension;
import org.jivesoftware.smack.util.XmlStringBuilder;
public class RSMSet implements PacketExtension {
public static final String ELEMENT = "set";
public static final String NAMESPACE = "http://jabber.org/protocol/rsm";
private final String after;
private final String before;
private final int count;
private final int index;
private final String last;
private final int max;
private final String firstString;
private final int firstIndex;
public static enum PageDirection {
before,
after;
}
public RSMSet(int max) {
this(max, -1);
}
public RSMSet(int max, int index) {
this(null, null, -1, index, null, max, null, -1);
}
public RSMSet(int max, String item, PageDirection pageDirection) {
switch (pageDirection) {
case before:
this.before = item;
this.after = null;
break;
case after:
this.before = null;
this.after = item;
break;
default:
throw new AssertionError();
}
this.count = -1;
this.index = -1;
this.last = null;
this.max = max;
this.firstString = null;
this.firstIndex = -1;
}
public RSMSet(String after, String before, int count, int index,
String last, int max, String firstString, int firstIndex) {
this.after = after;
this.before = before;
this.count = count;
this.index = index;
this.last = last;
this.max = max;
this.firstString = firstString;
this.firstIndex = firstIndex;
}
public String getAfter() {
return after;
}
public String getBefore() {
return before;
}
public int getCount() {
return count;
}
public int getIndex() {
return index;
}
public String getLast() {
return last;
}
public int getMax() {
return max;
}
public String getFirst() {
return firstString;
}
public int getFirstIndex() {
return firstIndex;
}
@Override
public String getElementName() {
return ELEMENT;
}
@Override
public String getNamespace() {
return NAMESPACE;
}
@Override
public XmlStringBuilder toXML() {
XmlStringBuilder xml = new XmlStringBuilder(this);
xml.rightAngleBracket();
xml.optElement("after", after);
xml.optElement("before", before);
xml.optIntElement("count", count);
if (firstString != null) {
xml.halfOpenElement("first");
xml.optIntAttribute("index", firstIndex);
xml.rightAngleBracket();
xml.append(firstString);
xml.closeElement("first");
}
xml.optIntElement("index", index);
xml.optElement("last", last);
xml.optIntElement("max", max);
xml.closeElement(this);
return xml;
}
}

82
smack-extensions/src/main/java/org/jivesoftware/smackx/rsm/provider/RSMSetProvider.java Normal file
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@ -0,0 +1,82 @@
/**
*
* 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.smackx.rsm.provider;
import org.jivesoftware.smack.packet.PacketExtension;
import org.jivesoftware.smack.provider.PacketExtensionProvider;
import org.jivesoftware.smack.util.ParserUtils;
import org.jivesoftware.smackx.rsm.packet.RSMSet;
import org.xmlpull.v1.XmlPullParser;
public class RSMSetProvider implements PacketExtensionProvider {
@Override
public PacketExtension parseExtension(XmlPullParser parser)
throws Exception {
int initialDepth = parser.getDepth();
String after = null;
String before = null;
int count = -1;
int index = -1;
String last = null;
int max = -1;
String firstString = null;
int firstIndex = -1;
outerloop: while (true) {
int event = parser.next();
switch (event) {
case XmlPullParser.START_TAG:
String name = parser.getName();
switch (name) {
case "after":
after = parser.nextText();
break;
case "before":
before = parser.nextText();
break;
case "count":
count = ParserUtils.getIntegerFromNextText(parser);
break;
case "first":
firstIndex = ParserUtils.getIntegerAttribute(parser,
"index", -1);
firstString = parser.nextText();
break;
case "index":
index = ParserUtils.getIntegerFromNextText(parser);
break;
case "last":
last = parser.nextText();
break;
case "max":
max = ParserUtils.getIntegerFromNextText(parser);
break;
}
break;
case XmlPullParser.END_TAG:
if (parser.getDepth() == initialDepth) {
break outerloop;
}
}
}
return new RSMSet(after, before, count, index, last, max, firstString,
firstIndex);
}
}

7
smack-extensions/src/main/resources/org.jivesoftware.smackx/extensions.providers
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@ -474,4 +474,11 @@
<namespace>http://jabber.org/features/iq-register</namespace>
<className>org.jivesoftware.smackx.iqregister.provider.RegistrationStreamFeatureProvider</className>
</streamFeatureProvider>
<!-- XEP-0059: Result Set Management -->
<extensionProvider>
<elementName>set</elementName>
<namespace>http://jabber.org/protocol/rsm</namespace>
<className>org.jivesoftware.smackx.rsm.provider.RSMSetProvider</className>
</extensionProvider>
</smackProviders>

61
smack-extensions/src/test/java/org/jivesoftware/smackx/rsm/provider/RSMSetProviderTest.java Normal file
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@ -0,0 +1,61 @@
/**
*
* 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.smackx.rsm.provider;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import org.jivesoftware.smack.packet.IQ;
import org.jivesoftware.smack.util.PacketParserUtils;
import org.jivesoftware.smackx.InitExtensions;
import org.jivesoftware.smackx.rsm.packet.RSMSet;
import org.junit.Test;
public class RSMSetProviderTest extends InitExtensions {
@Test
public void testRsmSetProvider() throws Exception {
// @formatter:off
final String rsmset =
"<iq type='get' id='iqget'>"
+ "<pubsub xmlns='http://jabber.org/protocol/pubsub'>"
+ "<set xmlns='http://jabber.org/protocol/rsm'>"
+ "<after>aftervalue</after>"
+ "<before>beforevalue</before>"
+ "<count>1</count>"
+ "<first index='2'>foo@bar.com</first>"
+ "<index>3</index>"
+ "<last>lastvalue</last>"
+ "<max>4</max>"
+ "</set>"
+ "</pubsub>"
+ "</iq>";
// @formatter:on
IQ iqWithRsm = (IQ) PacketParserUtils.parseStanza(rsmset);
RSMSet rsm = (RSMSet) iqWithRsm.getExtension(RSMSet.ELEMENT, RSMSet.NAMESPACE);
assertNotNull(rsm);
assertEquals("aftervalue", rsm.getAfter());
assertEquals("beforevalue", rsm.getBefore());
assertEquals(1, rsm.getCount());
assertEquals(2, rsm.getFirstIndex());
assertEquals("foo@bar.com", rsm.getFirst());
assertEquals(3, rsm.getIndex());
assertEquals("lastvalue", rsm.getLast());
assertEquals(4, rsm.getMax());
}
}