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package de.pixart.messenger.xml;
import com.google.common.collect.Iterables;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
public class LocalizedContent {
public static final String STREAM_LANGUAGE = "en";
public final String content;
public final String language;
public final int count;
private LocalizedContent(String content, String language, int count) {
this.content = content;
this.language = language;
this.count = count;
}
public static LocalizedContent get(final Element element, String name) {
final HashMap<String, String> contents = new HashMap<>();
final String parentLanguage = element.getAttribute("xml:lang");
for (Element child : element.children) {
if (name.equals(child.getName())) {
final String namespace = child.getNamespace();
final String childLanguage = child.getAttribute("xml:lang");
final String lang = childLanguage == null ? parentLanguage : childLanguage;
final String content = child.getContent();
if (content != null && (namespace == null || "jabber:client".equals(namespace))) {
if (contents.put(lang, content) != null) {
//anything that has multiple contents for the same language is invalid
return null;
}
}
}
}
if (contents.size() == 0) {
return null;
}
final String userLanguage = Locale.getDefault().getLanguage();
final String localized = contents.get(userLanguage);
if (localized != null) {
return new LocalizedContent(localized, userLanguage, contents.size());
}
final String defaultLanguageContent = contents.get(null);
if (defaultLanguageContent != null) {
return new LocalizedContent(defaultLanguageContent, STREAM_LANGUAGE, contents.size());
}
final String streamLanguageContent = contents.get(STREAM_LANGUAGE);
if (streamLanguageContent != null) {
return new LocalizedContent(streamLanguageContent, STREAM_LANGUAGE, contents.size());
}
final Map.Entry<String, String> first = Iterables.get(contents.entrySet(), 0);
return new LocalizedContent(first.getValue(), first.getKey(), contents.size());
}
}
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