First extremely basic, kind-of-working version.

[WoTNS.git] / src / main / java / net / pterodactylus / wotns / freenet / L10nFilter.java

diff --git a/src/main/java/net/pterodactylus/wotns/freenet/L10nFilter.java b/src/main/java/net/pterodactylus/wotns/freenet/L10nFilter.java
new file mode 100644 (file)
index 0000000..692b572
--- /dev/null
+++ b/src/main/java/net/pterodactylus/wotns/freenet/L10nFilter.java
@@ -0,0 +1,73 @@
+/*
+ * Sone - L10nFilter.java - Copyright © 2010 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.wotns.freenet;
+
+import java.text.MessageFormat;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+
+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.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class L10nFilter implements Filter {
+
+       /** The l10n handler. */
+       private final BaseL10n l10n;
+
+       /**
+        * Creates a new L10n filter.
+        *
+        * @param l10n
+        *            The l10n handler
+        */
+       public L10nFilter(BaseL10n l10n) {
+               this.l10n = l10n;
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       @Override
+       public String format(TemplateContext templateContext, Object data, Map<String, String> parameters) {
+               if (parameters.isEmpty()) {
+                       return l10n.getString(String.valueOf(data));
+               }
+               List<Object> parameterValues = new ArrayList<Object>();
+               int parameterIndex = 0;
+               while (parameters.containsKey(String.valueOf(parameterIndex))) {
+                       Object value = parameters.get(String.valueOf(parameterIndex));
+                       if (((String) value).startsWith("=")) {
+                               value = ((String) value).substring(1);
+                       } else {
+                               value = templateContext.get((String) value);
+                       }
+                       parameterValues.add(value);
+                       ++parameterIndex;
+               }
+               return new MessageFormat(l10n.getString(String.valueOf(data)), new Locale(l10n.getSelectedLanguage().shortCode)).format(parameterValues.toArray());
+       }
+}