/*
* 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.karaf.cellar.core.shell.completer;
import org.apache.karaf.cellar.core.ClusterManager;
import org.apache.karaf.cellar.core.Node;
import org.apache.karaf.shell.console.Completer;
import org.apache.karaf.shell.console.completer.StringsCompleter;
import java.util.List;
/**
* Shell completer on the nodes.
*/
public abstract class NodeCompleterSupport implements Completer {
private ClusterManager clusterManager;
@Override
public int complete(String buffer, int cursor, List<String> candidates) {
StringsCompleter delegate = new StringsCompleter();
try {
for (Node node : clusterManager.listNodes()) {
if (acceptsNode(node)) {
String id = node.getId();
if (delegate.getStrings() != null && !delegate.getStrings().contains(id)) {
delegate.getStrings().add(id);
}
}
}
} catch (Exception e) {
// Ignore
}
return delegate.complete(buffer, cursor, candidates);
}
protected abstract boolean acceptsNode(Node node);
public ClusterManager getClusterManager() {
return clusterManager;
}
public void setClusterManager(ClusterManager clusterManager) {
this.clusterManager = clusterManager;
}
}