/**
* Copyright 2005 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.nutch.admin;
import java.util.HashMap;
import java.util.Locale;
import java.util.ResourceBundle;
import java.util.logging.Logger;
import org.apache.nutch.plugin.Extension;
import org.apache.nutch.plugin.PluginClassLoader;
/**
* A default implementation of the {@link GuiComponent} extension point.
*/
public class DefaultGuiComponent implements GuiComponent {
private static final Logger LOG = Logger.getLogger(DefaultGuiComponent.class.getName());
private HashMap fResourceBundles = new HashMap();
private Extension fExtension;
private NutchInstance fNutchInstance;
public void configure(Extension extension, NutchInstance instance) {
this.fExtension = extension;
this.fNutchInstance = instance;
}
public String getLabel(String key, Locale locale) {
String value = key;
ResourceBundle labels = (ResourceBundle) this.fResourceBundles.get(locale);
if (labels == null) {
try {
PluginClassLoader classLoader = this.fExtension.getDescriptor().getClassLoader();
String bundleName = this.fExtension.getAttribute("bundle");
labels = ResourceBundle.getBundle(bundleName, locale, classLoader);
this.fResourceBundles.put(locale, labels);
} catch (Exception e) {
LOG.warning("unable to load resource bundle: "+e.toString());
}
}
value = labels.getString(key);
return value;
}
public NutchInstance getNutchInstance() {
return this.fNutchInstance;
}
public Extension getExtension() {
return this.fExtension;
}
}