-/*
- * Sone - L10nFilter.java - Copyright © 2010–2019 David Roden
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-package net.pterodactylus.sone.freenet;
-
-import java.text.MessageFormat;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Locale;
-import java.util.Map;
-
-import javax.annotation.Nonnull;
-
-import net.pterodactylus.util.template.Filter;
-import net.pterodactylus.util.template.TemplateContext;
-
-import freenet.l10n.BaseL10n;
-
-/**
- * {@link Filter} implementation replaces {@link String} values with their
- * translated equivalents.
- */
-public class L10nFilter implements Filter {
-
- private final BaseL10n l10n;
-
- public L10nFilter(BaseL10n l10n) {
- this.l10n = l10n;
- }
-
- /**
- * {@inheritDoc}
- */
- @Override
- public String format(TemplateContext templateContext, Object data, Map<String, Object> parameters) {
- List<Object> parameterValues = getParameters(data, parameters);
- String text = getText(data);
- if (parameterValues.isEmpty()) {
- return l10n.getString(text);
- }
- return new MessageFormat(l10n.getString(text), new Locale(l10n.getSelectedLanguage().shortCode)).format(parameterValues.toArray());
- }
-
- @Nonnull
- private String getText(Object data) {
- return (data instanceof L10nText) ? ((L10nText) data).getText() : String.valueOf(data);
- }
-
- @Nonnull
- private List<Object> getParameters(Object data, Map<String, Object> parameters) {
- if (data instanceof L10nText) {
- return ((L10nText) data).getParameters();
- }
- List<Object> parameterValues = new ArrayList<>();
- int parameterIndex = 0;
- while (parameters.containsKey(String.valueOf(parameterIndex))) {
- Object value = parameters.get(String.valueOf(parameterIndex));
- parameterValues.add(value);
- ++parameterIndex;
- }
- return parameterValues;
- }
-
-}