001/*
002 * (C) Copyright 2006-2010 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     bstefanescu
018 */
019package org.nuxeo.shell.automation;
020
021import java.util.Collections;
022import java.util.List;
023
024import jline.Completor;
025
026import org.nuxeo.ecm.automation.client.model.OperationDocumentation;
027import org.nuxeo.shell.Shell;
028
029/**
030 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
031 */
032public class ChainCompletor implements Completor {
033
034    protected RemoteContext ctx;
035
036    public ChainCompletor() {
037        this(Shell.get().getContextObject(RemoteContext.class));
038    }
039
040    public ChainCompletor(RemoteContext ctx) {
041        this.ctx = ctx;
042    }
043
044    @SuppressWarnings({ "rawtypes", "unchecked" })
045    public int complete(String buffer, int cursor, List clist) {
046        if (buffer == null) {
047            buffer = "";
048        }
049        for (OperationDocumentation op : ctx.getSession().getOperations().values()) {
050            if ("Chain".equals(op.category)) {
051                if (op.id.startsWith(buffer)) {
052                    clist.add(op.id);
053                }
054            }
055        }
056        if (clist.isEmpty()) {
057            return -1;
058        }
059        if (clist.size() == 1) {
060            return 0;
061        }
062        Collections.sort(clist);
063        return 0;
064    }
065}