SONAR-75 refactor I18nManager

1 files changed, 82 insertions, 0 deletions

diff --git a/sonar-core/src/main/java/org/sonar/core/i18n/I18nManager.java b/sonar-core/src/main/java/org/sonar/core/i18n/I18nManager.java
new file mode 100644
index 00000000000..a99ba3397bf
--- /dev/null
+++ b/sonar-core/src/main/java/org/sonar/core/i18n/I18nManager.java
@@ -0,0 +1,82 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2008-2011 SonarSource
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.core.i18n;
+
+import com.google.common.collect.Maps;
+import org.apache.commons.lang.StringUtils;
+import org.sonar.api.ServerExtension;
+import org.sonar.api.i18n.I18n;
+import org.sonar.api.platform.PluginMetadata;
+import org.sonar.api.platform.PluginRepository;
+
+import java.text.MessageFormat;
+import java.util.Locale;
+import java.util.Map;
+import java.util.ResourceBundle;
+
+public class I18nManager implements I18n, ServerExtension {
+
+  private PluginRepository pluginRepository;
+  private Map<String, ClassLoader> bundleToClassloader;
+
+  public I18nManager(PluginRepository pluginRepository) {
+    this.pluginRepository = pluginRepository;
+  }
+
+  I18nManager(Map<String, ClassLoader> bundleToClassloader) {
+    this.bundleToClassloader = bundleToClassloader;
+  }
+
+  public void start() {
+    ClassLoader coreClassLoader = pluginRepository.getPlugin("i18nen").getClass().getClassLoader();
+
+    bundleToClassloader = Maps.newHashMap();
+    for (PluginMetadata metadata : pluginRepository.getMetadata()) {
+      if (!metadata.isCore() && !"i18nen".equals(metadata.getBasePlugin())) {
+        ClassLoader classLoader = pluginRepository.getPlugin(metadata.getKey()).getClass().getClassLoader();
+        bundleToClassloader.put(metadata.getKey(), classLoader);
+
+      } else if (metadata.isCore()) {
+        bundleToClassloader.put(metadata.getKey(), coreClassLoader);
+      }
+    }
+  }
+
+  public String message(Locale locale, String key, String defaultValue, Object... parameters) {
+    String bundle = keyToBundle(key);
+    ResourceBundle resourceBundle = ResourceBundle.getBundle(bundle, locale, bundleToClassloader.get(bundle));
+    String value = resourceBundle.getString(key);
+    if (value==null) {
+      value = defaultValue;
+    }
+    if (value != null && parameters.length > 0) {
+      return MessageFormat.format(value, parameters);
+    }
+    return value;
+  }
+
+  String keyToBundle(String key) {
+    String pluginKey = StringUtils.substringBefore(key, ".");
+    if (bundleToClassloader.containsKey(pluginKey)) {
+      return pluginKey;
+    }
+    return "core";
+  }
+}