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[iqversion] Use IQ builder pattern

This commit is contained in:
Florian Schmaus 2021-05-02 17:16:09 +02:00
parent 469d4fb0dc
commit 6af38482de
5 changed files with 181 additions and 78 deletions

View file

@ -1,6 +1,6 @@
/**
*
* Copyright 2014 Georg Lukas.
* Copyright 2014 Georg Lukas, 2021 Florian Schmaus.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -14,7 +14,6 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jivesoftware.smackx.iqversion;
import java.util.Map;
@ -32,6 +31,7 @@ import org.jivesoftware.smack.iqrequest.AbstractIqRequestHandler;
import org.jivesoftware.smack.iqrequest.IQRequestHandler.Mode;
import org.jivesoftware.smack.packet.IQ;
import org.jivesoftware.smack.packet.StanzaError.Condition;
import org.jivesoftware.smack.util.StringUtils;
import org.jivesoftware.smackx.disco.ServiceDiscoveryManager;
import org.jivesoftware.smackx.iqversion.packet.Version;
@ -57,9 +57,9 @@ import org.jxmpp.jid.Jid;
public final class VersionManager extends Manager {
private static final Map<XMPPConnection, VersionManager> INSTANCES = new WeakHashMap<>();
private static Version defaultVersion;
private static VersionInformation defaultVersion;
private Version ourVersion = defaultVersion;
private VersionInformation ourVersion = defaultVersion;
public static void setDefaultVersion(String name, String version) {
setDefaultVersion(name, version, null);
@ -94,7 +94,13 @@ public final class VersionManager extends Manager {
return IQ.createErrorResponse(iqRequest, Condition.not_acceptable);
}
return Version.createResultFor(iqRequest, ourVersion);
Version versionRequest = (Version) iqRequest;
Version versionResponse = Version.builder(versionRequest)
.setName(ourVersion.name)
.setVersion(ourVersion.version)
.setOs(ourVersion.os)
.build();
return versionResponse;
}
});
}
@ -147,13 +153,27 @@ public final class VersionManager extends Manager {
if (!isSupported(jid)) {
return null;
}
return connection().createStanzaCollectorAndSend(new Version(jid)).nextResultOrThrow();
XMPPConnection connection = connection();
Version version = Version.builder(connection).to(jid).build();
return connection().createStanzaCollectorAndSend(version).nextResultOrThrow();
}
private static Version generateVersionFrom(String name, String version, String os) {
private static VersionInformation generateVersionFrom(String name, String version, String os) {
if (autoAppendSmackVersion) {
name += " (Smack " + Smack.getVersion() + ')';
}
return new Version(name, version, os);
return new VersionInformation(name, version, os);
}
private static final class VersionInformation {
private final String name;
private final String version;
private final String os;
private VersionInformation(String name, String version, String os) {
this.name = StringUtils.requireNotNullNorEmpty(name, "Must provide a name");
this.version = StringUtils.requireNotNullNorEmpty(version, "Must provide a version");
this.os = os;
}
}
}

View file

@ -1,6 +1,6 @@
/**
*
* Copyright 2003-2007 Jive Software.
* Copyright 2003-2007 Jive Software, 2021 Florian Schmaus.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -17,19 +17,18 @@
package org.jivesoftware.smackx.iqversion.packet;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smack.packet.IQ;
import org.jivesoftware.smack.packet.Stanza;
import org.jivesoftware.smack.packet.IqData;
import org.jivesoftware.smack.util.StringUtils;
import org.jxmpp.jid.Jid;
/**
* A Version IQ packet, which is used by XMPP clients to discover version information
* about the software running at another entity's JID.<p>
*
* @author Gaston Dombiak
*/
public class Version extends IQ {
public class Version extends IQ implements VersionView {
public static final String ELEMENT = QUERY_ELEMENT;
public static final String NAMESPACE = "jabber:iq:version";
@ -37,44 +36,17 @@ public class Version extends IQ {
private final String version;
private String os;
public Version() {
super(ELEMENT, NAMESPACE);
name = null;
version = null;
setType(Type.get);
}
Version(VersionBuilder versionBuilder) {
super(versionBuilder, ELEMENT, NAMESPACE);
name = versionBuilder.getName();
version = versionBuilder.getVersion();
os = versionBuilder.getOs();
/**
* Request version IQ.
*
* @param to the jid where to request version from
*/
public Version(Jid to) {
this();
setTo(to);
}
public Version(String name, String version) {
this(name, version, null);
}
/**
* Creates a new Version object with given details.
*
* @param name The natural-language name of the software. This element is REQUIRED.
* @param version The specific version of the software. This element is REQUIRED.
* @param os The operating system of the queried entity. This element is OPTIONAL.
*/
public Version(String name, String version, String os) {
super(ELEMENT, NAMESPACE);
this.setType(IQ.Type.result);
this.name = StringUtils.requireNotNullNorEmpty(name, "name must not be null");
this.version = StringUtils.requireNotNullNorEmpty(version, "version must not be null");
this.os = os;
}
public Version(Version original) {
this(original.name, original.version, original.os);
if (getType() != IQ.Type.result) {
return;
}
StringUtils.requireNotNullNorEmpty(name, "Version results must contain a name");
StringUtils.requireNotNullNorEmpty(version, "Version results must contain a version");
}
/**
@ -83,6 +55,7 @@ public class Version extends IQ {
*
* @return the natural-language name of the software.
*/
@Override
public String getName() {
return name;
}
@ -93,6 +66,7 @@ public class Version extends IQ {
*
* @return the specific version of the software.
*/
@Override
public String getVersion() {
return version;
}
@ -103,20 +77,11 @@ public class Version extends IQ {
*
* @return the operating system of the queried entity.
*/
@Override
public String getOs() {
return os;
}
/**
* Sets the operating system of the queried entity. This message should only be
* invoked when parsing the XML and setting the property to a Version instance.
*
* @param os operating system of the queried entity.
*/
public void setOs(String os) {
this.os = os;
}
@Override
protected IQChildElementXmlStringBuilder getIQChildElementBuilder(IQChildElementXmlStringBuilder xml) {
xml.rightAngleBracket();
@ -128,10 +93,16 @@ public class Version extends IQ {
return xml;
}
public static Version createResultFor(Stanza request, Version version) {
Version result = new Version(version);
result.setStanzaId(request.getStanzaId());
result.setTo(request.getFrom());
return result;
public static VersionBuilder builder(XMPPConnection connection) {
return new VersionBuilder(connection);
}
public static VersionBuilder builder(IqData iqData) {
return new VersionBuilder(iqData);
}
public static VersionBuilder builder(Version versionRequest) {
IqData iqData = IqData.createResponseData(versionRequest);
return builder(iqData);
}
}

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@ -0,0 +1,80 @@
/**
*
* Copyright 2021 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.iqversion.packet;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smack.packet.IqBuilder;
import org.jivesoftware.smack.packet.IqData;
public class VersionBuilder extends IqBuilder<VersionBuilder, Version> implements VersionView {
private String name;
private String version;
private String os;
VersionBuilder(IqData iqCommon) {
super(iqCommon);
}
VersionBuilder(XMPPConnection connection) {
super(connection);
}
VersionBuilder(String stanzaId) {
super(stanzaId);
}
public VersionBuilder setName(String name) {
this.name = name;
return getThis();
}
public VersionBuilder setVersion(String version) {
this.version = version;
return getThis();
}
public VersionBuilder setOs(String os) {
this.os = os;
return getThis();
}
@Override
public String getName() {
return name;
}
@Override
public String getVersion() {
return version;
}
@Override
public String getOs() {
return os;
}
@Override
public Version build() {
return new Version(this);
}
@Override
public VersionBuilder getThis() {
return this;
}
}

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@ -0,0 +1,29 @@
/**
*
* Copyright 2021 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.iqversion.packet;
import org.jivesoftware.smack.packet.IqView;
public interface VersionView extends IqView {
String getName();
String getVersion();
String getOs();
}

View file

@ -1,6 +1,6 @@
/**
*
* Copyright 2014 Georg Lukas.
* Copyright 2014 Georg Lukas, 2021 Florian Schmaus.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -14,24 +14,26 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jivesoftware.smackx.iqversion.provider;
import java.io.IOException;
import org.jivesoftware.smack.packet.IQ;
import org.jivesoftware.smack.packet.IqData;
import org.jivesoftware.smack.packet.XmlEnvironment;
import org.jivesoftware.smack.provider.IQProvider;
import org.jivesoftware.smack.provider.IqProvider;
import org.jivesoftware.smack.xml.XmlPullParser;
import org.jivesoftware.smack.xml.XmlPullParserException;
import org.jivesoftware.smackx.iqversion.packet.Version;
import org.jivesoftware.smackx.iqversion.packet.VersionBuilder;
public class VersionProvider extends IQProvider<Version> {
public class VersionProvider extends IqProvider<Version> {
@Override
public Version parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment) throws XmlPullParserException, IOException {
String name = null, version = null, os = null;
public Version parse(XmlPullParser parser, int initialDepth, IqData iqData, XmlEnvironment xmlEnvironment)
throws XmlPullParserException, IOException {
VersionBuilder versionBuilder = Version.builder(iqData);
outerloop: while (true) {
XmlPullParser.Event eventType = parser.next();
@ -40,13 +42,16 @@ public class VersionProvider extends IQProvider<Version> {
String tagName = parser.getName();
switch (tagName) {
case "name":
name = parser.nextText();
String name = parser.nextText();
versionBuilder.setName(name);
break;
case "version":
version = parser.nextText();
String version = parser.nextText();
versionBuilder.setVersion(version);
break;
case "os":
os = parser.nextText();
String os = parser.nextText();
versionBuilder.setOs(os);
break;
}
break;
@ -60,9 +65,7 @@ public class VersionProvider extends IQProvider<Version> {
break;
}
}
if (name == null && version == null && os == null) {
return new Version();
}
return new Version(name, version, os);
return versionBuilder.build();
}
}