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Code Issues Releases Wiki Activity

Deduplicate code ChatMarkersElements 

by introducing ChatMarkerExtensionWithId.
This commit is contained in:
Florian Schmaus 2018-09-06 19:04:02 +02:00
parent 36bfa060a5
commit 0778485243
1 changed files with 37 additions and 69 deletions
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106
smack-experimental/src/main/java/org/jivesoftware/smackx/chat_markers/element/ChatMarkersElements.java
View File

@ -1,6 +1,6 @@
/**
*
* Copyright © 2016 Fernando Ramirez
* Copyright © 2016 Fernando Ramirez, 2018 Florian Schmaus
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -76,24 +76,10 @@ public class ChatMarkersElements {
}
}
/**
* Received extension class.
*
* @see <a href="http://xmpp.org/extensions/xep-0333.html">XEP-0333: Chat
* Markers</a>
* @author Fernando Ramirez
*
*/
public static class ReceivedExtension implements ExtensionElement {
protected abstract static class ChatMarkerExtensionWithId implements ExtensionElement {
protected final String id;
/**
* received element.
*/
public static final String ELEMENT = ChatMarkersState.received.toString();
private final String id;
public ReceivedExtension(String id) {
protected ChatMarkerExtensionWithId(String id) {
this.id = StringUtils.requireNotNullNorEmpty(id, "Message ID must not be null");
}
@ -102,10 +88,38 @@ public class ChatMarkersElements {
*
* @return the id
*/
public String getId() {
public final String getId() {
return id;
}
@Override
public final XmlStringBuilder toXML(String enclosingNamespace) {
XmlStringBuilder xml = new XmlStringBuilder(this);
xml.attribute("id", id);
xml.closeEmptyElement();
return xml;
}
}
/**
* Received extension class.
*
* @see <a href="http://xmpp.org/extensions/xep-0333.html">XEP-0333: Chat
* Markers</a>
* @author Fernando Ramirez
*
*/
public static class ReceivedExtension extends ChatMarkerExtensionWithId {
/**
* received element.
*/
public static final String ELEMENT = ChatMarkersState.received.toString();
public ReceivedExtension(String id) {
super(id);
}
@Override
public String getElementName() {
return ELEMENT;
@ -116,14 +130,6 @@ public class ChatMarkersElements {
return NAMESPACE;
}
@Override
public CharSequence toXML(String enclosingNamespace) {
XmlStringBuilder xml = new XmlStringBuilder(this);
xml.attribute("id", id);
xml.closeEmptyElement();
return xml;
}
public static ReceivedExtension from(Message message) {
return (ReceivedExtension) message.getExtension(ELEMENT, NAMESPACE);
}
@ -137,26 +143,15 @@ public class ChatMarkersElements {
* @author Fernando Ramirez
*
*/
public static class DisplayedExtension implements ExtensionElement {
public static class DisplayedExtension extends ChatMarkerExtensionWithId {
/**
* displayed element.
*/
public static final String ELEMENT = ChatMarkersState.displayed.toString();
private final String id;
public DisplayedExtension(String id) {
this.id = StringUtils.requireNotNullNorEmpty(id, "Message ID must not be null");
}
/**
* Get the id.
*
* @return the id
*/
public String getId() {
return id;
super(id);
}
@Override
@ -169,14 +164,6 @@ public class ChatMarkersElements {
return NAMESPACE;
}
@Override
public CharSequence toXML(String enclosingNamespace) {
XmlStringBuilder xml = new XmlStringBuilder(this);
xml.attribute("id", id);
xml.closeEmptyElement();
return xml;
}
public static DisplayedExtension from(Message message) {
return (DisplayedExtension) message.getExtension(ELEMENT, NAMESPACE);
}
@ -190,26 +177,15 @@ public class ChatMarkersElements {
* @author Fernando Ramirez
*
*/
public static class AcknowledgedExtension implements ExtensionElement {
public static class AcknowledgedExtension extends ChatMarkerExtensionWithId {
/**
* acknowledged element.
*/
public static final String ELEMENT = ChatMarkersState.acknowledged.toString();
private final String id;
public AcknowledgedExtension(String id) {
this.id = StringUtils.requireNotNullNorEmpty(id, "Message id must not be null");
}
/**
* Get the id.
*
* @return the id
*/
public String getId() {
return id;
super(id);
}
@Override
@ -222,14 +198,6 @@ public class ChatMarkersElements {
return NAMESPACE;
}
@Override
public CharSequence toXML(String enclosingNamespace) {
XmlStringBuilder xml = new XmlStringBuilder(this);
xml.attribute("id", id);
xml.closeEmptyElement();
return xml;
}
public static AcknowledgedExtension from(Message message) {
return (AcknowledgedExtension) message.getExtension(ELEMENT, NAMESPACE);
}