/*
 * 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.tuscany.sca.shell.jline;

import java.util.List;

import jline.SimpleCompletor;

import org.apache.tuscany.sca.shell.Shell;

/**
 * A Completor for the names of the remote nodes in the domain
 */
public class RemoteNodeCompletor extends SimpleCompletor {

    private Shell shell;

    public RemoteNodeCompletor(Shell shell) {
        super("");
        this.shell = shell;
    }
    
    @Override
    public int complete(final String buffer, final int cursor, final List clist) {
        if (shell.getNode() == null) {
            return -1;
        }

        List<String> nodes = shell.getNode().getNodeNames();
        nodes.remove(shell.getNode().getLocalNodeName());
        setCandidateStrings(nodes.toArray(new String[nodes.size()]));
        return super.complete(buffer, cursor, clist);   
    }
}