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Code Issues Releases Wiki Activity

Move getters from Message to MessageView

This commit is contained in:
Florian Schmaus 2020-06-11 13:59:57 +02:00
parent 6a617af158
commit f1319d1c8b
3 changed files with 182 additions and 176 deletions
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179
smack-core/src/main/java/org/jivesoftware/smack/packet/Message.java
View File

@ -17,12 +17,8 @@
package org.jivesoftware.smack.packet;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Set;
import javax.xml.namespace.QName;
@ -186,59 +182,6 @@ public final class Message extends MessageOrPresence<MessageBuilder>
this.type = type;
}
/**
* Returns the default subject of the message, or null if the subject has not been set.
* The subject is a short description of message contents.
* <p>
* The default subject of a message is the subject that corresponds to the message's language.
* (see {@link #getLanguage()}) or if no language is set to the applications default
* language (see {@link Stanza#getDefaultLanguage()}).
*
* @return the subject of the message.
*/
public String getSubject() {
return getSubject(null);
}
/**
* Returns the subject corresponding to the language. If the language is null, the method result
* will be the same as {@link #getSubject()}. Null will be returned if the language does not have
* a corresponding subject.
*
* @param language the language of the subject to return.
* @return the subject related to the passed in language.
*/
public String getSubject(String language) {
Subject subject = getMessageSubject(language);
return subject == null ? null : subject.subject;
}
private Subject getMessageSubject(String language) {
language = determineLanguage(language);
for (Subject subject : getSubjects()) {
if (Objects.equals(language, subject.language)
|| (subject.language == null && Objects.equals(this.language, language))) {
return subject;
}
}
return null;
}
/**
* Returns a set of all subjects in this Message, including the default message subject accessible
* from {@link #getSubject()}.
*
* @return a collection of all subjects in this message.
*/
public Set<Subject> getSubjects() {
List<Subject> subjectList = getExtensions(Subject.class);
Set<Subject> subjects = new HashSet<>(subjectList.size());
subjects.addAll(subjectList);
return subjects;
}
/**
* Sets the subject of the message. The subject is a short description of
* message contents.
@ -267,7 +210,7 @@ public final class Message extends MessageOrPresence<MessageBuilder>
@Deprecated
// TODO: Remove when stanza builder is ready.
public Subject addSubject(String language, String subject) {
language = determineLanguage(language);
language = Stanza.determineLanguage(this, language);
List<Subject> currentSubjects = getExtensions(Subject.class);
for (Subject currentSubject : currentSubjects) {
@ -290,7 +233,7 @@ public final class Message extends MessageOrPresence<MessageBuilder>
@Deprecated
// TODO: Remove when stanza builder is ready.
public boolean removeSubject(String language) {
language = determineLanguage(language);
language = Stanza.determineLanguage(this, language);
for (Subject subject : getExtensions(Subject.class)) {
if (language.equals(subject.language)) {
return removeSubject(subject);
@ -311,77 +254,6 @@ public final class Message extends MessageOrPresence<MessageBuilder>
return removeExtension(subject) != null;
}
/**
* Returns all the languages being used for the subjects, not including the default subject.
*
* @return the languages being used for the subjects.
*/
public List<String> getSubjectLanguages() {
Subject defaultSubject = getMessageSubject(null);
List<String> languages = new ArrayList<String>();
for (Subject subject : getExtensions(Subject.class)) {
if (!subject.equals(defaultSubject)) {
languages.add(subject.language);
}
}
return Collections.unmodifiableList(languages);
}
/**
* Returns the default body of the message, or null if the body has not been set. The body
* is the main message contents.
* <p>
* The default body of a message is the body that corresponds to the message's language.
* (see {@link #getLanguage()}) or if no language is set to the applications default
* language (see {@link Stanza#getDefaultLanguage()}).
*
* @return the body of the message.
*/
public String getBody() {
return getBody(language);
}
/**
* Returns the body corresponding to the language. If the language is null, the method result
* will be the same as {@link #getBody()}. Null will be returned if the language does not have
* a corresponding body.
*
* @param language the language of the body to return.
* @return the body related to the passed in language.
* @since 3.0.2
*/
public String getBody(String language) {
Body body = getMessageBody(language);
return body == null ? null : body.message;
}
private Body getMessageBody(String language) {
language = determineLanguage(language);
for (Body body : getBodies()) {
if (Objects.equals(language, body.language) || (language != null && language.equals(this.language) && body.language == null)) {
return body;
}
}
return null;
}
/**
* Returns a set of all bodies in this Message, including the default message body accessible
* from {@link #getBody()}.
*
* @return a collection of all bodies in this Message.
* @since 3.0.2
*/
public Set<Body> getBodies() {
List<ExtensionElement> bodiesList = getExtensions(Body.ELEMENT, Body.NAMESPACE);
Set<Body> resultSet = new HashSet<>(bodiesList.size());
for (ExtensionElement extensionElement : bodiesList) {
Body body = (Body) extensionElement;
resultSet.add(body);
}
return resultSet;
}
/**
* Sets the body of the message.
*
@ -431,7 +303,7 @@ public final class Message extends MessageOrPresence<MessageBuilder>
@Deprecated
// TODO: Remove when stanza builder is ready.
public Body addBody(String language, String body) {
language = determineLanguage(language);
language = Stanza.determineLanguage(this, language);
removeBody(language);
@ -450,7 +322,7 @@ public final class Message extends MessageOrPresence<MessageBuilder>
@Deprecated
// TODO: Remove when stanza builder is ready.
public boolean removeBody(String language) {
language = determineLanguage(language);
language = Stanza.determineLanguage(this, language);
for (Body body : getBodies()) {
String bodyLanguage = body.getLanguage();
if (Objects.equals(bodyLanguage, language)) {
@ -476,37 +348,6 @@ public final class Message extends MessageOrPresence<MessageBuilder>
return removedElement != null;
}
/**
* Returns all the languages being used for the bodies, not including the default body.
*
* @return the languages being used for the bodies.
* @since 3.0.2
*/
public List<String> getBodyLanguages() {
Body defaultBody = getMessageBody(null);
List<String> languages = new ArrayList<String>();
for (Body body : getBodies()) {
if (!body.equals(defaultBody)) {
languages.add(body.language);
}
}
return Collections.unmodifiableList(languages);
}
/**
* Returns the thread id of the message, which is a unique identifier for a sequence
* of "chat" messages. If no thread id is set, <code>null</code> will be returned.
*
* @return the thread id of the message, or <code>null</code> if it doesn't exist.
*/
public String getThread() {
Message.Thread thread = getExtension(Message.Thread.class);
if (thread == null) {
return null;
}
return thread.getThread();
}
/**
* Sets the thread id of the message, which is a unique identifier for a sequence
* of "chat" messages.
@ -520,18 +361,6 @@ public final class Message extends MessageOrPresence<MessageBuilder>
addExtension(new Message.Thread(thread));
}
private String determineLanguage(String language) {
// empty string is passed by #setSubject() and #setBody() and is the same as null
language = "".equals(language) ? null : language;
// if given language is null check if message language is set
if (language == null && this.language != null) {
return this.language;
}
return language;
}
@Override
public String getElementName() {
return ELEMENT;

165
smack-core/src/main/java/org/jivesoftware/smack/packet/MessageView.java
View File

@ -1,6 +1,6 @@
/**
*
* Copyright 2019 Florian Schmaus
* Copyright 2003-2007 Jive Software, 2019-2020 Florian Schmaus
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -16,6 +16,15 @@
*/
package org.jivesoftware.smack.packet;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.jivesoftware.smack.packet.Message.Subject;
import org.jivesoftware.smack.util.Objects;
public interface MessageView extends StanzaView {
/**
@ -26,4 +35,158 @@ public interface MessageView extends StanzaView {
*/
Message.Type getType();
/**
* Returns the default subject of the message, or null if the subject has not been set.
* The subject is a short description of message contents.
* <p>
* The default subject of a message is the subject that corresponds to the message's language.
* (see {@link #getLanguage()}) or if no language is set to the applications default
* language (see {@link Stanza#getDefaultLanguage()}).
*
* @return the subject of the message.
*/
default String getSubject() {
return getSubject(null);
}
/**
* Returns the subject corresponding to the language. If the language is null, the method result
* will be the same as {@link #getSubject()}. Null will be returned if the language does not have
* a corresponding subject.
*
* @param language the language of the subject to return.
* @return the subject related to the passed in language.
*/
default String getSubject(String language) {
Subject subject = getMessageSubject(language);
return subject == null ? null : subject.getSubject();
}
default Message.Subject getMessageSubject(String language) {
language = Stanza.determineLanguage(this, language);
for (Message.Subject subject : getSubjects()) {
if (Objects.equals(language, subject.getLanguage())
|| (subject.getLanguage() == null && Objects.equals(getLanguage(), language))) {
return subject;
}
}
return null;
}
/**
* Returns a set of all subjects in this Message, including the default message subject accessible
* from {@link #getSubject()}.
*
* @return a collection of all subjects in this message.
*/
default Set<Message.Subject> getSubjects() {
List<Message.Subject> subjectList = getExtensions(Subject.class);
Set<Message.Subject> subjects = new HashSet<>(subjectList.size());
subjects.addAll(subjectList);
return subjects;
}
/**
* Returns all the languages being used for the subjects, not including the default subject.
*
* @return the languages being used for the subjects.
*/
default List<String> getSubjectLanguages() {
Message.Subject defaultSubject = getMessageSubject(null);
List<String> languages = new ArrayList<String>();
for (Message.Subject subject : getExtensions(Message.Subject.class)) {
if (!subject.equals(defaultSubject)) {
languages.add(subject.getLanguage());
}
}
return Collections.unmodifiableList(languages);
}
/**
* Returns the default body of the message, or null if the body has not been set. The body
* is the main message contents.
* <p>
* The default body of a message is the body that corresponds to the message's language.
* (see {@link #getLanguage()}) or if no language is set to the applications default
* language (see {@link Stanza#getDefaultLanguage()}).
*
* @return the body of the message.
*/
default String getBody() {
return getBody(getLanguage());
}
/**
* Returns the body corresponding to the language. If the language is null, the method result
* will be the same as {@link #getBody()}. Null will be returned if the language does not have
* a corresponding body.
*
* @param language the language of the body to return.
* @return the body related to the passed in language.
* @since 3.0.2
*/
default String getBody(String language) {
Message.Body body = getMessageBody(language);
return body == null ? null : body.getMessage();
}
default Message.Body getMessageBody(String language) {
language = Stanza.determineLanguage(this, language);
for (Message.Body body : getBodies()) {
if (Objects.equals(language, body.getLanguage()) || (language != null && language.equals(getLanguage()) && body.getLanguage() == null)) {
return body;
}
}
return null;
}
/**
* Returns a set of all bodies in this Message, including the default message body accessible
* from {@link #getBody()}.
*
* @return a collection of all bodies in this Message.
* @since 3.0.2
*/
default Set<Message.Body> getBodies() {
List<ExtensionElement> bodiesList = getExtensions(Message.Body.QNAME);
Set<Message.Body> resultSet = new HashSet<>(bodiesList.size());
for (ExtensionElement extensionElement : bodiesList) {
Message.Body body = (Message.Body) extensionElement;
resultSet.add(body);
}
return resultSet;
}
/**
* Returns all the languages being used for the bodies, not including the default body.
*
* @return the languages being used for the bodies.
* @since 3.0.2
*/
default List<String> getBodyLanguages() {
Message.Body defaultBody = getMessageBody(null);
List<String> languages = new ArrayList<String>();
for (Message.Body body : getBodies()) {
if (!body.equals(defaultBody)) {
languages.add(body.getLanguage());
}
}
return Collections.unmodifiableList(languages);
}
/**
* Returns the thread id of the message, which is a unique identifier for a sequence
* of "chat" messages. If no thread id is set, <code>null</code> will be returned.
*
* @return the thread id of the message, or <code>null</code> if it doesn't exist.
*/
default String getThread() {
Message.Thread thread = getExtension(Message.Thread.class);
if (thread == null) {
return null;
}
return thread.getThread();
}
}

14
smack-core/src/main/java/org/jivesoftware/smack/packet/Stanza.java
View File

@ -575,4 +575,18 @@ public abstract class Stanza implements StanzaView, TopLevelStreamElement {
xml.append(error);
}
}
/**
* Return the provided non-empty language, or use this {@link XmlLangElement} language (if set).
*
* @param language the provided language, may be the empty string or <code>null</code>.
* @return the provided language or this element's language (if set).
*/
static String determineLanguage(XmlLangElement xmlLangElement, String language) {
if (language != null && !language.isEmpty()) {
return language;
}
return xmlLangElement.getLanguage();
}
}