/
ConfigurationProvider.java
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/
ConfigurationProvider.java
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.karaf.webconsole.osgi.config;
import java.util.Arrays;
import java.util.Iterator;
import org.apache.karaf.webconsole.osgi.config.model.ConfigurationModel;
import org.apache.karaf.webconsole.osgi.config.model.ConfigurationNotFoundException;
import org.apache.wicket.extensions.markup.html.repeater.util.SortableDataProvider;
import org.apache.wicket.model.IModel;
import org.osgi.service.cm.Configuration;
import org.osgi.service.cm.ConfigurationAdmin;
/**
* Data provider for configuration list.
*/
public class ConfigurationProvider extends SortableDataProvider<Configuration> {
private static final long serialVersionUID = 1L;
private Configuration[] configurations = new Configuration[0];
private ConfigurationAdmin configurationAdmin;
public ConfigurationProvider(ConfigurationAdmin configurationAdmin) {
this.configurationAdmin = configurationAdmin;
try {
this.configurations = configurationAdmin.listConfigurations(null);
} catch (Exception e) {
throw new ConfigurationNotFoundException(null, e);
}
}
public Iterator<? extends Configuration> iterator(int from, int count) {
return Arrays.asList(Arrays.copyOfRange(configurations, from, count)).iterator();
}
public IModel<Configuration> model(Configuration object) {
return new ConfigurationModel(object, configurationAdmin);
}
public int size() {
return configurations.length;
}
@Override
public void detach() {
super.detach();
configurations = null;
}
}