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